yaffs-ecoscentric: direct/yaffsfs.c annotate

annotate direct/yaffsfs.c @ 215:b08276bd7b2d

Clean up some yaffs1 mode issues.

author	charles
date	Wed, 02 Jul 2008 21:17:41 +0100
parents	fad21fd1971d
children	6dbe40ae9e54

rev	line source
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1 /*
173 1c249b949b11 normalise licence headers wookey parents: 169 diff changeset	2 * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	3 *
173 1c249b949b11 normalise licence headers wookey parents: 169 diff changeset	4 * Copyright (C) 2002-2007 Aleph One Ltd.
1c249b949b11 normalise licence headers wookey parents: 169 diff changeset	5 * for Toby Churchill Ltd and Brightstar Engineering
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	6 *
1a7b08737ec4 * empty log message * charles parents: diff changeset	7 * Created by Charles Manning <charles@aleph1.co.uk>
1a7b08737ec4 * empty log message * charles parents: diff changeset	8 *
1a7b08737ec4 * empty log message * charles parents: diff changeset	9 * This program is free software; you can redistribute it and/or modify
1a7b08737ec4 * empty log message * charles parents: diff changeset	10 * it under the terms of the GNU General Public License version 2 as
1a7b08737ec4 * empty log message * charles parents: diff changeset	11 * published by the Free Software Foundation.
1a7b08737ec4 * empty log message * charles parents: diff changeset	12 */
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	13
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	14 #include "yaffsfs.h"
1a7b08737ec4 * empty log message * charles parents: diff changeset	15 #include "yaffs_guts.h"
1a7b08737ec4 * empty log message * charles parents: diff changeset	16 #include "yaffscfg.h"
1a7b08737ec4 * empty log message * charles parents: diff changeset	17 #include <string.h> // for memset
1a7b08737ec4 * empty log message * charles parents: diff changeset	18 #include "yportenv.h"
1a7b08737ec4 * empty log message * charles parents: diff changeset	19
1a7b08737ec4 * empty log message * charles parents: diff changeset	20 #define YAFFSFS_MAX_SYMLINK_DEREFERENCES 5
1a7b08737ec4 * empty log message * charles parents: diff changeset	21
1a7b08737ec4 * empty log message * charles parents: diff changeset	22 #ifndef NULL
1a7b08737ec4 * empty log message * charles parents: diff changeset	23 #define NULL ((void *)0)
1a7b08737ec4 * empty log message * charles parents: diff changeset	24 #endif
1a7b08737ec4 * empty log message * charles parents: diff changeset	25
1a7b08737ec4 * empty log message * charles parents: diff changeset	26
1a7b08737ec4 * empty log message * charles parents: diff changeset	27 const char *yaffsfs_c_version="$Id$";
1a7b08737ec4 * empty log message * charles parents: diff changeset	28
1a7b08737ec4 * empty log message * charles parents: diff changeset	29 // configurationList is the list of devices that are supported
1a7b08737ec4 * empty log message * charles parents: diff changeset	30 static yaffsfs_DeviceConfiguration *yaffsfs_configurationList;
1a7b08737ec4 * empty log message * charles parents: diff changeset	31
1a7b08737ec4 * empty log message * charles parents: diff changeset	32
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	33 /* Some forward references */
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	34 static yaffs_Object yaffsfs_FindObject(yaffs_Object relativeDirectory, const YCHAR *path, int symDepth);
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	35 static void yaffsfs_RemoveObjectCallback(yaffs_Object *obj);
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	36
1a7b08737ec4 * empty log message * charles parents: diff changeset	37
1a7b08737ec4 * empty log message * charles parents: diff changeset	38 // Handle management.
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	39 //
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	40
185 fa4e74c5013d Rolling in Ians and other changes charles parents: 177 diff changeset	41
fa4e74c5013d Rolling in Ians and other changes charles parents: 177 diff changeset	42 unsigned int yaffs_wr_attempts;
fa4e74c5013d Rolling in Ians and other changes charles parents: 177 diff changeset	43
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	44 typedef struct
1a7b08737ec4 * empty log message * charles parents: diff changeset	45 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	46 __u8 inUse:1; // this handle is in use
1a7b08737ec4 * empty log message * charles parents: diff changeset	47 __u8 readOnly:1; // this handle is read only
1a7b08737ec4 * empty log message * charles parents: diff changeset	48 __u8 append:1; // append only
1a7b08737ec4 * empty log message * charles parents: diff changeset	49 __u8 exclusive:1; // exclusive
1a7b08737ec4 * empty log message * charles parents: diff changeset	50 __u32 position; // current position in file
1a7b08737ec4 * empty log message * charles parents: diff changeset	51 yaffs_Object *obj; // the object
1a7b08737ec4 * empty log message * charles parents: diff changeset	52 }yaffsfs_Handle;
1a7b08737ec4 * empty log message * charles parents: diff changeset	53
1a7b08737ec4 * empty log message * charles parents: diff changeset	54
1a7b08737ec4 * empty log message * charles parents: diff changeset	55 static yaffsfs_Handle yaffsfs_handle[YAFFSFS_N_HANDLES];
1a7b08737ec4 * empty log message * charles parents: diff changeset	56
1a7b08737ec4 * empty log message * charles parents: diff changeset	57 // yaffsfs_InitHandle
1a7b08737ec4 * empty log message * charles parents: diff changeset	58 /// Inilitalise handles on start-up.
1a7b08737ec4 * empty log message * charles parents: diff changeset	59 //
1a7b08737ec4 * empty log message * charles parents: diff changeset	60 static int yaffsfs_InitHandles(void)
1a7b08737ec4 * empty log message * charles parents: diff changeset	61 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	62 int i;
1a7b08737ec4 * empty log message * charles parents: diff changeset	63 for(i = 0; i < YAFFSFS_N_HANDLES; i++)
1a7b08737ec4 * empty log message * charles parents: diff changeset	64 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	65 yaffsfs_handle[i].inUse = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	66 yaffsfs_handle[i].obj = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	67 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	68 return 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	69 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	70
1a7b08737ec4 * empty log message * charles parents: diff changeset	71 yaffsfs_Handle *yaffsfs_GetHandlePointer(int h)
1a7b08737ec4 * empty log message * charles parents: diff changeset	72 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	73 if(h < 0 \|\| h >= YAFFSFS_N_HANDLES)
1a7b08737ec4 * empty log message * charles parents: diff changeset	74 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	75 return NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	76 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	77
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	78 return &yaffsfs_handle[h];
1a7b08737ec4 * empty log message * charles parents: diff changeset	79 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	80
1a7b08737ec4 * empty log message * charles parents: diff changeset	81 yaffs_Object *yaffsfs_GetHandleObject(int handle)
1a7b08737ec4 * empty log message * charles parents: diff changeset	82 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	83 yaffsfs_Handle *h = yaffsfs_GetHandlePointer(handle);
1a7b08737ec4 * empty log message * charles parents: diff changeset	84
1a7b08737ec4 * empty log message * charles parents: diff changeset	85 if(h && h->inUse)
1a7b08737ec4 * empty log message * charles parents: diff changeset	86 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	87 return h->obj;
1a7b08737ec4 * empty log message * charles parents: diff changeset	88 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	89
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	90 return NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	91 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	92
1a7b08737ec4 * empty log message * charles parents: diff changeset	93
1a7b08737ec4 * empty log message * charles parents: diff changeset	94 //yaffsfs_GetHandle
1a7b08737ec4 * empty log message * charles parents: diff changeset	95 // Grab a handle (when opening a file)
1a7b08737ec4 * empty log message * charles parents: diff changeset	96 //
1a7b08737ec4 * empty log message * charles parents: diff changeset	97
1a7b08737ec4 * empty log message * charles parents: diff changeset	98 static int yaffsfs_GetHandle(void)
1a7b08737ec4 * empty log message * charles parents: diff changeset	99 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	100 int i;
1a7b08737ec4 * empty log message * charles parents: diff changeset	101 yaffsfs_Handle *h;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	102
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	103 for(i = 0; i < YAFFSFS_N_HANDLES; i++)
1a7b08737ec4 * empty log message * charles parents: diff changeset	104 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	105 h = yaffsfs_GetHandlePointer(i);
1a7b08737ec4 * empty log message * charles parents: diff changeset	106 if(!h)
1a7b08737ec4 * empty log message * charles parents: diff changeset	107 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	108 // todo bug: should never happen
1a7b08737ec4 * empty log message * charles parents: diff changeset	109 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	110 if(!h->inUse)
1a7b08737ec4 * empty log message * charles parents: diff changeset	111 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	112 memset(h,0,sizeof(yaffsfs_Handle));
1a7b08737ec4 * empty log message * charles parents: diff changeset	113 h->inUse=1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	114 return i;
1a7b08737ec4 * empty log message * charles parents: diff changeset	115 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	116 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	117 return -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	118 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	119
1a7b08737ec4 * empty log message * charles parents: diff changeset	120 // yaffs_PutHandle
1a7b08737ec4 * empty log message * charles parents: diff changeset	121 // Let go of a handle (when closing a file)
1a7b08737ec4 * empty log message * charles parents: diff changeset	122 //
1a7b08737ec4 * empty log message * charles parents: diff changeset	123 static int yaffsfs_PutHandle(int handle)
1a7b08737ec4 * empty log message * charles parents: diff changeset	124 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	125 yaffsfs_Handle *h = yaffsfs_GetHandlePointer(handle);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	126
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	127 if(h)
1a7b08737ec4 * empty log message * charles parents: diff changeset	128 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	129 h->inUse = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	130 h->obj = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	131 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	132 return 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	133 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	134
1a7b08737ec4 * empty log message * charles parents: diff changeset	135
1a7b08737ec4 * empty log message * charles parents: diff changeset	136
1a7b08737ec4 * empty log message * charles parents: diff changeset	137 // Stuff to search for a directory from a path
1a7b08737ec4 * empty log message * charles parents: diff changeset	138
1a7b08737ec4 * empty log message * charles parents: diff changeset	139
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	140 int yaffsfs_Match(YCHAR a, YCHAR b)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	141 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	142 // case sensitive
1a7b08737ec4 * empty log message * charles parents: diff changeset	143 return (a == b);
1a7b08737ec4 * empty log message * charles parents: diff changeset	144 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	145
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	146 int yaffsfs_IsPathDivider(YCHAR ch)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	147 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	148 YCHAR *str = YAFFS_PATH_DIVIDERS;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	149
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	150 while(*str){
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	151 if(*str == ch)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	152 return 1;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	153 str++;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	154 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	155
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	156 return 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	157 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	158
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	159 // yaffsfs_FindDevice
1a7b08737ec4 * empty log message * charles parents: diff changeset	160 // yaffsfs_FindRoot
1a7b08737ec4 * empty log message * charles parents: diff changeset	161 // Scan the configuration list to find the root.
94 c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	162 // Curveballs: Should match paths that end in '/' too
c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	163 // Curveball2 Might have "/x/ and "/x/y". Need to return the longest match
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	164 static yaffs_Device yaffsfs_FindDevice(const YCHAR path, YCHAR **restOfPath)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	165 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	166 yaffsfs_DeviceConfiguration *cfg = yaffsfs_configurationList;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	167 const YCHAR *leftOver;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	168 const YCHAR *p;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	169 yaffs_Device *retval = NULL;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	170 int thisMatchLength;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	171 int longestMatch = -1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	172
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	173 // Check all configs, choose the one that:
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	174 // 1) Actually matches a prefix (ie /a amd /abc will not match
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	175 // 2) Matches the longest.
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	176 while(cfg && cfg->prefix && cfg->dev)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	177 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	178 leftOver = path;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	179 p = cfg->prefix;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	180 thisMatchLength = 0;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	181
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	182
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	183 // Strip off any leading /'s
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	184
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	185 while(yaffsfs_IsPathDivider(*p))
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	186 p++;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	187
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	188 while(yaffsfs_IsPathDivider(*leftOver))
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	189 leftOver++;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	190
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	191 while(p && leftOver &&
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	192 yaffsfs_Match(p,leftOver))
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	193 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	194 p++;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	195 leftOver++;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	196 thisMatchLength++;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	197
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	198 // Skip over any multiple /'s to treat them as one or
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	199 // skip over a trailling / in the prefix, but not the matching string
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	200 while(yaffsfs_IsPathDivider(*p) &&
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	201 (yaffsfs_IsPathDivider((p+1)) \|\| !((p+1))))
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	202 p++;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	203
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	204 // Only skip over multiple /'s
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	205 while(yaffsfs_IsPathDivider(*leftOver) &&
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	206 yaffsfs_IsPathDivider(*(leftOver+1)))
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	207 leftOver++;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	208 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	209
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	210
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	211 if((!*p ) &&
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	212 (!leftOver \|\| yaffsfs_IsPathDivider(leftOver)) && // no more in this path name part
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	213 (thisMatchLength > longestMatch))
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	214 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	215 // Matched prefix
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	216 restOfPath = (YCHAR )leftOver;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	217 retval = cfg->dev;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	218 longestMatch = thisMatchLength;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	219 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	220 cfg++;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	221 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	222 return retval;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	223 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	224
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	225 #if 0
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	226 static yaffs_Device yaffsfs_FindDevice(const YCHAR path, YCHAR **restOfPath)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	227 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	228 yaffsfs_DeviceConfiguration *cfg = yaffsfs_configurationList;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	229 const YCHAR *leftOver;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	230 const YCHAR *p;
94 c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	231 yaffs_Device *retval = NULL;
c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	232 int thisMatchLength;
c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	233 int longestMatch = -1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	234
94 c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	235 // Check all configs, choose the one that:
c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	236 // 1) Actually matches a prefix (ie /a amd /abc will not match
c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	237 // 2) Matches the longest.
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	238 while(cfg && cfg->prefix && cfg->dev)
1a7b08737ec4 * empty log message * charles parents: diff changeset	239 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	240 leftOver = path;
1a7b08737ec4 * empty log message * charles parents: diff changeset	241 p = cfg->prefix;
94 c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	242 thisMatchLength = 0;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	243
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	244 while(*p && //unmatched part of prefix
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	245 !(yaffsfs_IsPathDivider(*p) && (p[1] == 0)) && // the rest of the prefix is not / (to catch / at end)
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	246 *leftOver &&
94 c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	247 yaffsfs_Match(p,leftOver))
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	248 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	249 p++;
1a7b08737ec4 * empty log message * charles parents: diff changeset	250 leftOver++;
94 c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	251 thisMatchLength++;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	252 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	253
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	254
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	255 if((!p \|\| (yaffsfs_IsPathDivider(p) && (p[1] == 0))) && // end of prefix
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	256 (!leftOver \|\| yaffsfs_IsPathDivider(leftOver)) && // no more in this path name part
94 c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	257 (thisMatchLength > longestMatch))
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	258 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	259 // Matched prefix
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	260 restOfPath = (YCHAR )leftOver;
94 c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	261 retval = cfg->dev;
c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	262 longestMatch = thisMatchLength;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	263 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	264 cfg++;
1a7b08737ec4 * empty log message * charles parents: diff changeset	265 }
94 c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	266 return retval;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	267 }
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	268 #endif
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	269
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	270 static yaffs_Object yaffsfs_FindRoot(const YCHAR path, YCHAR **restOfPath)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	271 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	272
1a7b08737ec4 * empty log message * charles parents: diff changeset	273 yaffs_Device *dev;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	274
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	275 dev= yaffsfs_FindDevice(path,restOfPath);
1a7b08737ec4 * empty log message * charles parents: diff changeset	276 if(dev && dev->isMounted)
1a7b08737ec4 * empty log message * charles parents: diff changeset	277 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	278 return dev->rootDir;
1a7b08737ec4 * empty log message * charles parents: diff changeset	279 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	280 return NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	281 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	282
1a7b08737ec4 * empty log message * charles parents: diff changeset	283 static yaffs_Object yaffsfs_FollowLink(yaffs_Object obj,int symDepth)
1a7b08737ec4 * empty log message * charles parents: diff changeset	284 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	285
1a7b08737ec4 * empty log message * charles parents: diff changeset	286 while(obj && obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
1a7b08737ec4 * empty log message * charles parents: diff changeset	287 {
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	288 YCHAR *alias = obj->variant.symLinkVariant.alias;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	289
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	290 if(yaffsfs_IsPathDivider(*alias))
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	291 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	292 // Starts with a /, need to scan from root up
1a7b08737ec4 * empty log message * charles parents: diff changeset	293 obj = yaffsfs_FindObject(NULL,alias,symDepth++);
1a7b08737ec4 * empty log message * charles parents: diff changeset	294 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	295 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	296 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	297 // Relative to here, so use the parent of the symlink as a start
1a7b08737ec4 * empty log message * charles parents: diff changeset	298 obj = yaffsfs_FindObject(obj->parent,alias,symDepth++);
1a7b08737ec4 * empty log message * charles parents: diff changeset	299 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	300 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	301 return obj;
1a7b08737ec4 * empty log message * charles parents: diff changeset	302 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	303
1a7b08737ec4 * empty log message * charles parents: diff changeset	304
1a7b08737ec4 * empty log message * charles parents: diff changeset	305 // yaffsfs_FindDirectory
1a7b08737ec4 * empty log message * charles parents: diff changeset	306 // Parse a path to determine the directory and the name within the directory.
1a7b08737ec4 * empty log message * charles parents: diff changeset	307 //
1a7b08737ec4 * empty log message * charles parents: diff changeset	308 // eg. "/data/xx/ff" --> puts name="ff" and returns the directory "/data/xx"
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	309 static yaffs_Object yaffsfs_DoFindDirectory(yaffs_Object startDir,const YCHAR path,YCHAR *name,int symDepth)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	310 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	311 yaffs_Object *dir;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	312 YCHAR *restOfPath;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	313 YCHAR str[YAFFS_MAX_NAME_LENGTH+1];
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	314 int i;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	315
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	316 if(symDepth > YAFFSFS_MAX_SYMLINK_DEREFERENCES)
1a7b08737ec4 * empty log message * charles parents: diff changeset	317 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	318 return NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	319 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	320
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	321 if(startDir)
1a7b08737ec4 * empty log message * charles parents: diff changeset	322 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	323 dir = startDir;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	324 restOfPath = (YCHAR *)path;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	325 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	326 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	327 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	328 dir = yaffsfs_FindRoot(path,&restOfPath);
1a7b08737ec4 * empty log message * charles parents: diff changeset	329 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	330
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	331 while(dir)
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	332 {
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	333 // parse off /.
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	334 // curve ball: also throw away surplus '/'
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	335 // eg. "/ram/x////ff" gets treated the same as "/ram/x/ff"
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	336 while(yaffsfs_IsPathDivider(*restOfPath))
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	337 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	338 restOfPath++; // get rid of '/'
1a7b08737ec4 * empty log message * charles parents: diff changeset	339 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	340
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	341 *name = restOfPath;
1a7b08737ec4 * empty log message * charles parents: diff changeset	342 i = 0;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	343
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	344 while(restOfPath && !yaffsfs_IsPathDivider(restOfPath))
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	345 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	346 if (i < YAFFS_MAX_NAME_LENGTH)
1a7b08737ec4 * empty log message * charles parents: diff changeset	347 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	348 str[i] = *restOfPath;
1a7b08737ec4 * empty log message * charles parents: diff changeset	349 str[i+1] = '\0';
1a7b08737ec4 * empty log message * charles parents: diff changeset	350 i++;
1a7b08737ec4 * empty log message * charles parents: diff changeset	351 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	352 restOfPath++;
1a7b08737ec4 * empty log message * charles parents: diff changeset	353 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	354
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	355 if(!*restOfPath)
1a7b08737ec4 * empty log message * charles parents: diff changeset	356 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	357 // got to the end of the string
1a7b08737ec4 * empty log message * charles parents: diff changeset	358 return dir;
1a7b08737ec4 * empty log message * charles parents: diff changeset	359 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	360 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	361 {
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	362 if(yaffs_strcmp(str,_Y(".")) == 0)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	363 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	364 // Do nothing
1a7b08737ec4 * empty log message * charles parents: diff changeset	365 }
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	366 else if(yaffs_strcmp(str,_Y("..")) == 0)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	367 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	368 dir = dir->parent;
1a7b08737ec4 * empty log message * charles parents: diff changeset	369 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	370 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	371 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	372 dir = yaffs_FindObjectByName(dir,str);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	373
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	374 while(dir && dir->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
1a7b08737ec4 * empty log message * charles parents: diff changeset	375 {
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	376
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	377 dir = yaffsfs_FollowLink(dir,symDepth);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	378
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	379 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	380
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	381 if(dir && dir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
1a7b08737ec4 * empty log message * charles parents: diff changeset	382 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	383 dir = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	384 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	385 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	386 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	387 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	388 // directory did not exist.
1a7b08737ec4 * empty log message * charles parents: diff changeset	389 return NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	390 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	391
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	392 static yaffs_Object yaffsfs_FindDirectory(yaffs_Object relativeDirectory,const YCHAR path,YCHAR *name,int symDepth)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	393 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	394 return yaffsfs_DoFindDirectory(relativeDirectory,path,name,symDepth);
1a7b08737ec4 * empty log message * charles parents: diff changeset	395 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	396
1a7b08737ec4 * empty log message * charles parents: diff changeset	397 // yaffsfs_FindObject turns a path for an existing object into the object
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	398 //
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	399 static yaffs_Object yaffsfs_FindObject(yaffs_Object relativeDirectory, const YCHAR *path,int symDepth)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	400 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	401 yaffs_Object *dir;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	402 YCHAR *name;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	403
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	404 dir = yaffsfs_FindDirectory(relativeDirectory,path,&name,symDepth);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	405
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	406 if(dir && *name)
1a7b08737ec4 * empty log message * charles parents: diff changeset	407 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	408 return yaffs_FindObjectByName(dir,name);
1a7b08737ec4 * empty log message * charles parents: diff changeset	409 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	410
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	411 return dir;
1a7b08737ec4 * empty log message * charles parents: diff changeset	412 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	413
1a7b08737ec4 * empty log message * charles parents: diff changeset	414
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	415 int yaffs_dup(int fd)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	416 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	417 int newHandle = -1;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	418 yaffsfs_Handle *oldPtr = NULL;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	419 yaffsfs_Handle *newPtr = NULL;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	420
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	421 yaffsfs_Lock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	422
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	423 oldPtr = yaffsfs_GetHandlePointer(fd);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	424 if(oldPtr && oldPtr->inUse)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	425 newHandle = yaffsfs_GetHandle();
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	426 if(newHandle >= 0)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	427 newPtr = yaffsfs_GetHandlePointer(newHandle);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	428
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	429 if(newPtr){
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	430 newPtr = oldPtr;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	431 return newHandle;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	432 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	433
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	434 if(!oldPtr)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	435 yaffsfs_SetError(-EBADF);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	436 else
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	437 yaffsfs_SetError(-ENOMEM);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	438
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	439 return -1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	440
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	441 }
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	442
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	443 int yaffs_open(const YCHAR *path, int oflag, int mode)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	444 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	445 yaffs_Object *obj = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	446 yaffs_Object *dir = NULL;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	447 YCHAR *name;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	448 int handle = -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	449 yaffsfs_Handle *h = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	450 int alreadyOpen = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	451 int alreadyExclusive = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	452 int openDenied = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	453 int symDepth = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	454 int errorReported = 0;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	455
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	456 int i;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	457
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	458
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	459 // todo sanity check oflag (eg. can't have O_TRUNC without WRONLY or RDWR
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	460
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	461
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	462 yaffsfs_Lock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	463
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	464 handle = yaffsfs_GetHandle();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	465
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	466 if(handle >= 0)
1a7b08737ec4 * empty log message * charles parents: diff changeset	467 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	468
1a7b08737ec4 * empty log message * charles parents: diff changeset	469 h = yaffsfs_GetHandlePointer(handle);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	470
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	471
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	472 // try to find the exisiting object
1a7b08737ec4 * empty log message * charles parents: diff changeset	473 obj = yaffsfs_FindObject(NULL,path,0);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	474
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	475 if(obj && obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
1a7b08737ec4 * empty log message * charles parents: diff changeset	476 {
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	477
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	478 obj = yaffsfs_FollowLink(obj,symDepth++);
1a7b08737ec4 * empty log message * charles parents: diff changeset	479 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	480
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	481 if(obj && obj->variantType != YAFFS_OBJECT_TYPE_FILE)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	482 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	483 obj = NULL;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	484 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	485
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	486 if(obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	487 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	488 // Check if the object is already in use
1a7b08737ec4 * empty log message * charles parents: diff changeset	489 alreadyOpen = alreadyExclusive = 0;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	490
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	491 for(i = 0; i <= YAFFSFS_N_HANDLES; i++)
1a7b08737ec4 * empty log message * charles parents: diff changeset	492 {
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	493
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	494 if(i != handle &&
1a7b08737ec4 * empty log message * charles parents: diff changeset	495 yaffsfs_handle[i].inUse &&
1a7b08737ec4 * empty log message * charles parents: diff changeset	496 obj == yaffsfs_handle[i].obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	497 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	498 alreadyOpen = 1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	499 if(yaffsfs_handle[i].exclusive)
1a7b08737ec4 * empty log message * charles parents: diff changeset	500 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	501 alreadyExclusive = 1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	502 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	503 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	504 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	505
1a7b08737ec4 * empty log message * charles parents: diff changeset	506 if(((oflag & O_EXCL) && alreadyOpen) \|\| alreadyExclusive)
1a7b08737ec4 * empty log message * charles parents: diff changeset	507 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	508 openDenied = 1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	509 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	510
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	511 // Open should fail if O_CREAT and O_EXCL are specified
1a7b08737ec4 * empty log message * charles parents: diff changeset	512 if((oflag & O_EXCL) && (oflag & O_CREAT))
1a7b08737ec4 * empty log message * charles parents: diff changeset	513 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	514 openDenied = 1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	515 yaffsfs_SetError(-EEXIST);
1a7b08737ec4 * empty log message * charles parents: diff changeset	516 errorReported = 1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	517 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	518
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	519 // Check file permissions
1a7b08737ec4 * empty log message * charles parents: diff changeset	520 if( (oflag & (O_RDWR \| O_WRONLY)) == 0 && // ie O_RDONLY
23 12ec56e7ccfa Some tinkering on test harness and st_xxx to yst_xxx changes charles parents: 19 diff changeset	521 !(obj->yst_mode & S_IREAD))
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	522 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	523 openDenied = 1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	524 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	525
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	526 if( (oflag & O_RDWR) &&
23 12ec56e7ccfa Some tinkering on test harness and st_xxx to yst_xxx changes charles parents: 19 diff changeset	527 !(obj->yst_mode & S_IREAD))
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	528 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	529 openDenied = 1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	530 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	531
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	532 if( (oflag & (O_RDWR \| O_WRONLY)) &&
23 12ec56e7ccfa Some tinkering on test harness and st_xxx to yst_xxx changes charles parents: 19 diff changeset	533 !(obj->yst_mode & S_IWRITE))
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	534 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	535 openDenied = 1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	536 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	537
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	538 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	539
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	540 else if((oflag & O_CREAT))
1a7b08737ec4 * empty log message * charles parents: diff changeset	541 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	542 // Let's see if we can create this file
1a7b08737ec4 * empty log message * charles parents: diff changeset	543 dir = yaffsfs_FindDirectory(NULL,path,&name,0);
1a7b08737ec4 * empty log message * charles parents: diff changeset	544 if(dir)
1a7b08737ec4 * empty log message * charles parents: diff changeset	545 {
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	546 obj = yaffs_MknodFile(dir,name,mode,0,0);
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	547 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	548 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	549 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	550 yaffsfs_SetError(-ENOTDIR);
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	551 errorReported = 1;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	552 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	553 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	554
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	555 if(obj && !openDenied)
1a7b08737ec4 * empty log message * charles parents: diff changeset	556 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	557 h->obj = obj;
1a7b08737ec4 * empty log message * charles parents: diff changeset	558 h->inUse = 1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	559 h->readOnly = (oflag & (O_WRONLY \| O_RDWR)) ? 0 : 1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	560 h->append = (oflag & O_APPEND) ? 1 : 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	561 h->exclusive = (oflag & O_EXCL) ? 1 : 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	562 h->position = 0;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	563
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	564 obj->inUse++;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	565 if((oflag & O_TRUNC) && !h->readOnly)
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	566 {
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	567 yaffs_ResizeFile(obj,0);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	568 }
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	569
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	570 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	571 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	572 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	573 yaffsfs_PutHandle(handle);
1a7b08737ec4 * empty log message * charles parents: diff changeset	574 if(!errorReported)
1a7b08737ec4 * empty log message * charles parents: diff changeset	575 {
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	576 yaffsfs_SetError(-EACCES);
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	577 errorReported = 1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	578 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	579 handle = -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	580 }
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	581
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	582 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	583
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	584 yaffsfs_Unlock();
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	585
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	586 return handle;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	587 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	588
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	589 int yaffs_flush(int fd)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	590 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	591 yaffsfs_Handle *h = NULL;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	592 int retVal = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	593
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	594 yaffsfs_Lock();
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	595
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	596 h = yaffsfs_GetHandlePointer(fd);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	597
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	598 if(h && h->inUse)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	599 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	600 // flush the file
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	601 yaffs_FlushFile(h->obj,1);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	602 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	603 else
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	604 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	605 // bad handle
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	606 yaffsfs_SetError(-EBADF);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	607 retVal = -1;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	608 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	609
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	610 yaffsfs_Unlock();
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	611
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	612 return retVal;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	613 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	614
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	615
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	616 int yaffs_close(int fd)
1a7b08737ec4 * empty log message * charles parents: diff changeset	617 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	618 yaffsfs_Handle *h = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	619 int retVal = 0;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	620
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	621 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	622
1a7b08737ec4 * empty log message * charles parents: diff changeset	623 h = yaffsfs_GetHandlePointer(fd);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	624
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	625 if(h && h->inUse)
1a7b08737ec4 * empty log message * charles parents: diff changeset	626 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	627 // clean up
1a7b08737ec4 * empty log message * charles parents: diff changeset	628 yaffs_FlushFile(h->obj,1);
1a7b08737ec4 * empty log message * charles parents: diff changeset	629 h->obj->inUse--;
1a7b08737ec4 * empty log message * charles parents: diff changeset	630 if(h->obj->inUse <= 0 && h->obj->unlinked)
1a7b08737ec4 * empty log message * charles parents: diff changeset	631 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	632 yaffs_DeleteFile(h->obj);
1a7b08737ec4 * empty log message * charles parents: diff changeset	633 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	634 yaffsfs_PutHandle(fd);
1a7b08737ec4 * empty log message * charles parents: diff changeset	635 retVal = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	636 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	637 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	638 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	639 // bad handle
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	640 yaffsfs_SetError(-EBADF);
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	641 retVal = -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	642 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	643
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	644 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	645
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	646 return retVal;
1a7b08737ec4 * empty log message * charles parents: diff changeset	647 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	648
1a7b08737ec4 * empty log message * charles parents: diff changeset	649 int yaffs_read(int fd, void *buf, unsigned int nbyte)
1a7b08737ec4 * empty log message * charles parents: diff changeset	650 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	651 yaffsfs_Handle *h = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	652 yaffs_Object *obj = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	653 int pos = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	654 int nRead = -1;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	655 unsigned int maxRead;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	656
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	657 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	658 h = yaffsfs_GetHandlePointer(fd);
1a7b08737ec4 * empty log message * charles parents: diff changeset	659 obj = yaffsfs_GetHandleObject(fd);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	660
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	661 if(!h \|\| !obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	662 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	663 // bad handle
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	664 yaffsfs_SetError(-EBADF);
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	665 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	666 else if( h && obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	667 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	668 pos= h->position;
1a7b08737ec4 * empty log message * charles parents: diff changeset	669 if(yaffs_GetObjectFileLength(obj) > pos)
1a7b08737ec4 * empty log message * charles parents: diff changeset	670 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	671 maxRead = yaffs_GetObjectFileLength(obj) - pos;
1a7b08737ec4 * empty log message * charles parents: diff changeset	672 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	673 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	674 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	675 maxRead = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	676 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	677
1a7b08737ec4 * empty log message * charles parents: diff changeset	678 if(nbyte > maxRead)
1a7b08737ec4 * empty log message * charles parents: diff changeset	679 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	680 nbyte = maxRead;
1a7b08737ec4 * empty log message * charles parents: diff changeset	681 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	682
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	683
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	684 if(nbyte > 0)
1a7b08737ec4 * empty log message * charles parents: diff changeset	685 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	686 nRead = yaffs_ReadDataFromFile(obj,buf,pos,nbyte);
1a7b08737ec4 * empty log message * charles parents: diff changeset	687 if(nRead >= 0)
1a7b08737ec4 * empty log message * charles parents: diff changeset	688 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	689 h->position = pos + nRead;
1a7b08737ec4 * empty log message * charles parents: diff changeset	690 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	691 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	692 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	693 //todo error
1a7b08737ec4 * empty log message * charles parents: diff changeset	694 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	695 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	696 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	697 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	698 nRead = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	699 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	700
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	701 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	702
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	703 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	704
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	705
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	706 return (nRead >= 0) ? nRead : -1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	707
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	708 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	709
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	710 int yaffs_pread(int fd, void *buf, unsigned int nbyte, unsigned int offset)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	711 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	712 yaffsfs_Handle *h = NULL;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	713 yaffs_Object *obj = NULL;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	714 int pos = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	715 int nRead = -1;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	716 unsigned int maxRead;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	717
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	718 yaffsfs_Lock();
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	719 h = yaffsfs_GetHandlePointer(fd);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	720 obj = yaffsfs_GetHandleObject(fd);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	721
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	722 if(!h \|\| !obj)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	723 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	724 // bad handle
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	725 yaffsfs_SetError(-EBADF);
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	726 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	727 else if( h && obj)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	728 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	729 pos= offset;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	730 if(yaffs_GetObjectFileLength(obj) > pos)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	731 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	732 maxRead = yaffs_GetObjectFileLength(obj) - pos;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	733 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	734 else
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	735 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	736 maxRead = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	737 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	738
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	739 if(nbyte > maxRead)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	740 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	741 nbyte = maxRead;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	742 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	743
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	744
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	745 if(nbyte > 0)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	746 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	747 nRead = yaffs_ReadDataFromFile(obj,buf,pos,nbyte);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	748 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	749 else
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	750 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	751 nRead = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	752 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	753
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	754 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	755
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	756 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	757
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	758
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	759 return (nRead >= 0) ? nRead : -1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	760
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	761 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	762
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	763 int yaffs_write(int fd, const void *buf, unsigned int nbyte)
1a7b08737ec4 * empty log message * charles parents: diff changeset	764 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	765 yaffsfs_Handle *h = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	766 yaffs_Object *obj = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	767 int pos = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	768 int nWritten = -1;
19 8d0f599f5920 * empty log message * charles parents: 12 diff changeset	769 int writeThrough = 0;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	770
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	771 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	772 h = yaffsfs_GetHandlePointer(fd);
1a7b08737ec4 * empty log message * charles parents: diff changeset	773 obj = yaffsfs_GetHandleObject(fd);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	774
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	775 if(!h \|\| !obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	776 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	777 // bad handle
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	778 yaffsfs_SetError(-EBADF);
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	779 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	780 else if( h && obj && h->readOnly)
1a7b08737ec4 * empty log message * charles parents: diff changeset	781 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	782 // todo error
1a7b08737ec4 * empty log message * charles parents: diff changeset	783 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	784 else if( h && obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	785 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	786 if(h->append)
1a7b08737ec4 * empty log message * charles parents: diff changeset	787 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	788 pos = yaffs_GetObjectFileLength(obj);
1a7b08737ec4 * empty log message * charles parents: diff changeset	789 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	790 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	791 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	792 pos = h->position;
1a7b08737ec4 * empty log message * charles parents: diff changeset	793 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	794
19 8d0f599f5920 * empty log message * charles parents: 12 diff changeset	795 nWritten = yaffs_WriteDataToFile(obj,buf,pos,nbyte,writeThrough);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	796
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	797 if(nWritten >= 0)
1a7b08737ec4 * empty log message * charles parents: diff changeset	798 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	799 h->position = pos + nWritten;
1a7b08737ec4 * empty log message * charles parents: diff changeset	800 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	801 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	802 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	803 //todo error
1a7b08737ec4 * empty log message * charles parents: diff changeset	804 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	805
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	806 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	807
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	808 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	809
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	810
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	811 return (nWritten >= 0) ? nWritten : -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	812
1a7b08737ec4 * empty log message * charles parents: diff changeset	813 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	814
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	815 int yaffs_pwrite(int fd, const void *buf, unsigned int nbyte, unsigned int offset)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	816 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	817 yaffsfs_Handle *h = NULL;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	818 yaffs_Object *obj = NULL;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	819 int pos = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	820 int nWritten = -1;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	821 int writeThrough = 0;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	822
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	823 yaffsfs_Lock();
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	824 h = yaffsfs_GetHandlePointer(fd);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	825 obj = yaffsfs_GetHandleObject(fd);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	826
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	827 if(!h \|\| !obj)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	828 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	829 // bad handle
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	830 yaffsfs_SetError(-EBADF);
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	831 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	832 else if( h && obj && h->readOnly)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	833 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	834 // todo error
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	835 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	836 else if( h && obj)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	837 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	838 pos = offset;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	839
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	840 nWritten = yaffs_WriteDataToFile(obj,buf,pos,nbyte,writeThrough);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	841
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	842 if(nWritten < 0 \|\| ((unsigned int)nWritten) < nbyte)
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	843 yaffsfs_SetError(-ENOSPC);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	844
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	845 }
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	846
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	847 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	848
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	849
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	850 return (nWritten >= 0) ? nWritten : -1;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	851
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	852 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	853
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	854
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	855 int yaffs_truncate(const YCHAR *path,off_t newSize)
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	856 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	857 yaffs_Object *obj = NULL;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	858 int result = YAFFS_FAIL;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	859
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	860 yaffsfs_Lock();
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	861
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	862 obj = yaffsfs_FindObject(NULL,path,0);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	863 if(obj)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	864 obj = yaffs_GetEquivalentObject(obj);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	865
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	866 if(!obj)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	867 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	868 yaffsfs_SetError(-ENOENT);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	869 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	870 else if(obj->variantType != YAFFS_OBJECT_TYPE_FILE)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	871 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	872 yaffsfs_SetError(-EISDIR);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	873 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	874 else
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	875 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	876 result = yaffs_ResizeFile(obj,newSize);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	877 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	878
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	879 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	880
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	881
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	882 return (result) ? 0 : -1;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	883 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	884
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	885 int yaffs_ftruncate(int fd, off_t newSize)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	886 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	887 yaffsfs_Handle *h = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	888 yaffs_Object *obj = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	889 int result = 0;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	890
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	891 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	892 h = yaffsfs_GetHandlePointer(fd);
1a7b08737ec4 * empty log message * charles parents: diff changeset	893 obj = yaffsfs_GetHandleObject(fd);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	894
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	895 if(!h \|\| !obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	896 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	897 // bad handle
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	898 yaffsfs_SetError(-EBADF);
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	899 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	900 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	901 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	902 // resize the file
1a7b08737ec4 * empty log message * charles parents: diff changeset	903 result = yaffs_ResizeFile(obj,newSize);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	904 }
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	905 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	906
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	907
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	908 return (result) ? 0 : -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	909
1a7b08737ec4 * empty log message * charles parents: diff changeset	910 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	911
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	912 off_t yaffs_lseek(int fd, off_t offset, int whence)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	913 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	914 yaffsfs_Handle *h = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	915 yaffs_Object *obj = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	916 int pos = -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	917 int fSize = -1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	918
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	919 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	920 h = yaffsfs_GetHandlePointer(fd);
1a7b08737ec4 * empty log message * charles parents: diff changeset	921 obj = yaffsfs_GetHandleObject(fd);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	922
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	923 if(!h \|\| !obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	924 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	925 // bad handle
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	926 yaffsfs_SetError(-EBADF);
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	927 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	928 else if(whence == SEEK_SET)
1a7b08737ec4 * empty log message * charles parents: diff changeset	929 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	930 if(offset >= 0)
1a7b08737ec4 * empty log message * charles parents: diff changeset	931 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	932 pos = offset;
1a7b08737ec4 * empty log message * charles parents: diff changeset	933 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	934 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	935 else if(whence == SEEK_CUR)
1a7b08737ec4 * empty log message * charles parents: diff changeset	936 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	937 if( (h->position + offset) >= 0)
1a7b08737ec4 * empty log message * charles parents: diff changeset	938 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	939 pos = (h->position + offset);
1a7b08737ec4 * empty log message * charles parents: diff changeset	940 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	941 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	942 else if(whence == SEEK_END)
1a7b08737ec4 * empty log message * charles parents: diff changeset	943 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	944 fSize = yaffs_GetObjectFileLength(obj);
1a7b08737ec4 * empty log message * charles parents: diff changeset	945 if(fSize >= 0 && (fSize + offset) >= 0)
1a7b08737ec4 * empty log message * charles parents: diff changeset	946 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	947 pos = fSize + offset;
1a7b08737ec4 * empty log message * charles parents: diff changeset	948 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	949 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	950
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	951 if(pos >= 0)
1a7b08737ec4 * empty log message * charles parents: diff changeset	952 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	953 h->position = pos;
1a7b08737ec4 * empty log message * charles parents: diff changeset	954 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	955 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	956 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	957 // todo error
1a7b08737ec4 * empty log message * charles parents: diff changeset	958 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	959
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	960
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	961 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	962
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	963 return pos;
1a7b08737ec4 * empty log message * charles parents: diff changeset	964 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	965
1a7b08737ec4 * empty log message * charles parents: diff changeset	966
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	967 int yaffsfs_DoUnlink(const YCHAR *path,int isDirectory)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	968 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	969 yaffs_Object *dir = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	970 yaffs_Object *obj = NULL;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	971 YCHAR *name;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	972 int result = YAFFS_FAIL;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	973
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	974 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	975
1a7b08737ec4 * empty log message * charles parents: diff changeset	976 obj = yaffsfs_FindObject(NULL,path,0);
1a7b08737ec4 * empty log message * charles parents: diff changeset	977 dir = yaffsfs_FindDirectory(NULL,path,&name,0);
1a7b08737ec4 * empty log message * charles parents: diff changeset	978 if(!dir)
1a7b08737ec4 * empty log message * charles parents: diff changeset	979 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	980 yaffsfs_SetError(-ENOTDIR);
1a7b08737ec4 * empty log message * charles parents: diff changeset	981 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	982 else if(!obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	983 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	984 yaffsfs_SetError(-ENOENT);
1a7b08737ec4 * empty log message * charles parents: diff changeset	985 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	986 else if(!isDirectory && obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY)
1a7b08737ec4 * empty log message * charles parents: diff changeset	987 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	988 yaffsfs_SetError(-EISDIR);
1a7b08737ec4 * empty log message * charles parents: diff changeset	989 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	990 else if(isDirectory && obj->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
1a7b08737ec4 * empty log message * charles parents: diff changeset	991 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	992 yaffsfs_SetError(-ENOTDIR);
1a7b08737ec4 * empty log message * charles parents: diff changeset	993 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	994 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	995 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	996 result = yaffs_Unlink(dir,name);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	997
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	998 if(result == YAFFS_FAIL && isDirectory)
1a7b08737ec4 * empty log message * charles parents: diff changeset	999 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1000 yaffsfs_SetError(-ENOTEMPTY);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1001 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1002 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1003
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1004 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1005
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1006 // todo error
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1007
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1008 return (result == YAFFS_FAIL) ? -1 : 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1009 }
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1010
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1011
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1012 int yaffs_rmdir(const YCHAR *path)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1013 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1014 return yaffsfs_DoUnlink(path,1);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1015 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1016
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1017 int yaffs_unlink(const YCHAR *path)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1018 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1019 return yaffsfs_DoUnlink(path,0);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1020 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1021
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1022 int yaffs_rename(const YCHAR oldPath, const YCHAR newPath)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1023 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1024 yaffs_Object *olddir = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1025 yaffs_Object *newdir = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1026 yaffs_Object *obj = NULL;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1027 YCHAR *oldname;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1028 YCHAR *newname;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1029 int result= YAFFS_FAIL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1030 int renameAllowed = 1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1031
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1032 yaffsfs_Lock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1033
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1034 olddir = yaffsfs_FindDirectory(NULL,oldPath,&oldname,0);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1035 newdir = yaffsfs_FindDirectory(NULL,newPath,&newname,0);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1036 obj = yaffsfs_FindObject(NULL,oldPath,0);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1037
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1038 if(!olddir \|\| !newdir \|\| !obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1039 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1040 // bad file
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1041 yaffsfs_SetError(-EBADF);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1042 renameAllowed = 0;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1043 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1044 else if(olddir->myDev != newdir->myDev)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1045 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1046 // oops must be on same device
1a7b08737ec4 * empty log message * charles parents: diff changeset	1047 // todo error
1a7b08737ec4 * empty log message * charles parents: diff changeset	1048 yaffsfs_SetError(-EXDEV);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1049 renameAllowed = 0;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1050 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1051 else if(obj && obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1052 {
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1053 // It is a directory, check that it is not being renamed to
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1054 // being its own decendent.
1a7b08737ec4 * empty log message * charles parents: diff changeset	1055 // Do this by tracing from the new directory back to the root, checking for obj
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1056
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1057 yaffs_Object *xx = newdir;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1058
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1059 while( renameAllowed && xx)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1060 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1061 if(xx == obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1062 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1063 renameAllowed = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1064 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1065 xx = xx->parent;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1066 }
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1067 if(!renameAllowed) yaffsfs_SetError(-EACCES);
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1068 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1069
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1070 if(renameAllowed)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1071 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1072 result = yaffs_RenameObject(olddir,oldname,newdir,newname);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1073 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1074
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1075 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1076
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1077 return (result == YAFFS_FAIL) ? -1 : 0;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1078 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1079
1a7b08737ec4 * empty log message * charles parents: diff changeset	1080
1a7b08737ec4 * empty log message * charles parents: diff changeset	1081 static int yaffsfs_DoStat(yaffs_Object obj,struct yaffs_stat buf)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1082 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1083 int retVal = -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1084
1a7b08737ec4 * empty log message * charles parents: diff changeset	1085 if(obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1086 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1087 obj = yaffs_GetEquivalentObject(obj);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1088 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1089
1a7b08737ec4 * empty log message * charles parents: diff changeset	1090 if(obj && buf)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1091 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1092 buf->st_dev = (int)obj->myDev->genericDevice;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1093 buf->st_ino = obj->objectId;
23 12ec56e7ccfa Some tinkering on test harness and st_xxx to yst_xxx changes charles parents: 19 diff changeset	1094 buf->st_mode = obj->yst_mode & ~S_IFMT; // clear out file type bits
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1095
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1096 if(obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1097 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1098 buf->st_mode \|= S_IFDIR;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1099 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1100 else if(obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1101 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1102 buf->st_mode \|= S_IFLNK;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1103 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1104 else if(obj->variantType == YAFFS_OBJECT_TYPE_FILE)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1105 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1106 buf->st_mode \|= S_IFREG;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1107 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1108
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1109 buf->st_nlink = yaffs_GetObjectLinkCount(obj);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1110 buf->st_uid = 0;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1111 buf->st_gid = 0;;
23 12ec56e7ccfa Some tinkering on test harness and st_xxx to yst_xxx changes charles parents: 19 diff changeset	1112 buf->st_rdev = obj->yst_rdev;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1113 buf->st_size = yaffs_GetObjectFileLength(obj);
152 3bc7020d669c Add large NAND support and improve retirement handling charles parents: 131 diff changeset	1114 buf->st_blksize = obj->myDev->nDataBytesPerChunk;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1115 buf->st_blocks = (buf->st_size + buf->st_blksize -1)/buf->st_blksize;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1116 #if CONFIG_YAFFS_WINCE
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1117 buf->yst_wince_atime[0] = obj->win_atime[0];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1118 buf->yst_wince_atime[1] = obj->win_atime[1];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1119 buf->yst_wince_ctime[0] = obj->win_ctime[0];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1120 buf->yst_wince_ctime[1] = obj->win_ctime[1];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1121 buf->yst_wince_mtime[0] = obj->win_mtime[0];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1122 buf->yst_wince_mtime[1] = obj->win_mtime[1];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1123 #else
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1124 buf->yst_atime = obj->yst_atime;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1125 buf->yst_ctime = obj->yst_ctime;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1126 buf->yst_mtime = obj->yst_mtime;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1127 #endif
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1128 retVal = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1129 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1130 return retVal;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1131 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1132
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1133 static int yaffsfs_DoStatOrLStat(const YCHAR path, struct yaffs_stat buf,int doLStat)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1134 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1135 yaffs_Object *obj;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1136
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1137 int retVal = -1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1138
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1139 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1140 obj = yaffsfs_FindObject(NULL,path,0);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1141
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1142 if(!doLStat && obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1143 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1144 obj = yaffsfs_FollowLink(obj,0);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1145 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1146
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1147 if(obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1148 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1149 retVal = yaffsfs_DoStat(obj,buf);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1150 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1151 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1152 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1153 // todo error not found
1a7b08737ec4 * empty log message * charles parents: diff changeset	1154 yaffsfs_SetError(-ENOENT);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1155 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1156
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1157 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1158
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1159 return retVal;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1160
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1161 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1162
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1163 int yaffs_stat(const YCHAR path, struct yaffs_stat buf)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1164 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1165 return yaffsfs_DoStatOrLStat(path,buf,0);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1166 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1167
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1168 int yaffs_lstat(const YCHAR path, struct yaffs_stat buf)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1169 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1170 return yaffsfs_DoStatOrLStat(path,buf,1);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1171 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1172
1a7b08737ec4 * empty log message * charles parents: diff changeset	1173 int yaffs_fstat(int fd, struct yaffs_stat *buf)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1174 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1175 yaffs_Object *obj;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1176
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1177 int retVal = -1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1178
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1179 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1180 obj = yaffsfs_GetHandleObject(fd);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1181
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1182 if(obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1183 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1184 retVal = yaffsfs_DoStat(obj,buf);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1185 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1186 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1187 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1188 // bad handle
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1189 yaffsfs_SetError(-EBADF);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1190 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1191
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1192 yaffsfs_Unlock();
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1193
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1194 return retVal;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1195 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1196
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1197 #ifdef CONFIG_YAFFS_WINCE
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1198 int yaffs_get_wince_times(int fd, unsigned wctime, unsigned watime, unsigned *wmtime)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1199 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1200 yaffs_Object *obj;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1201
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1202 int retVal = -1;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1203
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1204 yaffsfs_Lock();
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1205 obj = yaffsfs_GetHandleObject(fd);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1206
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1207 if(obj)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1208 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1209
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1210 if(wctime){
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1211 wctime[0] = obj->win_ctime[0];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1212 wctime[1] = obj->win_ctime[1];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1213 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1214 if(watime){
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1215 watime[0] = obj->win_atime[0];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1216 watime[1] = obj->win_atime[1];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1217 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1218 if(wmtime){
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1219 wmtime[0] = obj->win_mtime[0];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1220 wmtime[1] = obj->win_mtime[1];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1221 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1222
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1223
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1224 retVal = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1225 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1226 else
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1227 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1228 // bad handle
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1229 yaffsfs_SetError(-EBADF);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1230 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1231
1a7b08737ec4 * empty log message * charles parents: diff changeset	1232 yaffsfs_Unlock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1233
1a7b08737ec4 * empty log message * charles parents: diff changeset	1234 return retVal;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1235 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1236
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1237
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1238 int yaffs_set_wince_times(int fd,
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1239 const unsigned *wctime,
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1240 const unsigned *watime,
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1241 const unsigned *wmtime)
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1242 {
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1243 yaffs_Object *obj;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1244 int result;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1245 int retVal = -1;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1246
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1247 yaffsfs_Lock();
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1248 obj = yaffsfs_GetHandleObject(fd);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1249
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1250 if(obj)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1251 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1252
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1253 if(wctime){
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1254 obj->win_ctime[0] = wctime[0];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1255 obj->win_ctime[1] = wctime[1];
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1256 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1257 if(watime){
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1258 obj->win_atime[0] = watime[0];
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1259 obj->win_atime[1] = watime[1];
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1260 }
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1261 if(wmtime){
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1262 obj->win_mtime[0] = wmtime[0];
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1263 obj->win_mtime[1] = wmtime[1];
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1264 }
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1265
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1266 obj->dirty = 1;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1267 result = yaffs_FlushFile(obj,0);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1268 retVal = 0;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1269 }
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1270 else
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1271 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1272 // bad handle
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1273 yaffsfs_SetError(-EBADF);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1274 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1275
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1276 yaffsfs_Unlock();
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1277
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1278 return retVal;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1279 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1280
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1281 #endif
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1282
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1283
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1284 static int yaffsfs_DoChMod(yaffs_Object *obj,mode_t mode)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1285 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1286 int result;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1287
1a7b08737ec4 * empty log message * charles parents: diff changeset	1288 if(obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1289 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1290 obj = yaffs_GetEquivalentObject(obj);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1291 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1292
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1293 if(obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1294 {
23 12ec56e7ccfa Some tinkering on test harness and st_xxx to yst_xxx changes charles parents: 19 diff changeset	1295 obj->yst_mode = mode;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1296 obj->dirty = 1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1297 result = yaffs_FlushFile(obj,0);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1298 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1299
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1300 return result == YAFFS_OK ? 0 : -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1301 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1302
1a7b08737ec4 * empty log message * charles parents: diff changeset	1303
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1304 int yaffs_access(const YCHAR *path, int amode)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1305 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1306 yaffs_Object *obj;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1307
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1308 int retval = 0;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1309
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1310 yaffsfs_Lock();
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1311 obj = yaffsfs_FindObject(NULL,path,0);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1312
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1313 if(obj)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1314 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1315 int access_ok = 1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1316
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1317 if((amode & R_OK) && !(obj->yst_mode & S_IREAD))
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1318 access_ok = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1319 if((amode & W_OK) && !(obj->yst_mode & S_IWRITE))
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1320 access_ok = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1321 if((amode & X_OK) && !(obj->yst_mode & S_IEXEC))
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1322 access_ok = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1323
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1324 if(!access_ok) {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1325 yaffsfs_SetError(-EACCES);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1326 retval = -1;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1327 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1328 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1329 else
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1330 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1331 // todo error not found
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1332 yaffsfs_SetError(-ENOENT);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1333 retval = -1;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1334 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1335
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1336 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1337
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1338 return retval;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1339
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1340 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1341
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1342
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1343 int yaffs_chmod(const YCHAR *path, mode_t mode)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1344 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1345 yaffs_Object *obj;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1346
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1347 int retVal = -1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1348
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1349 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1350 obj = yaffsfs_FindObject(NULL,path,0);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1351
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1352 if(obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1353 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1354 retVal = yaffsfs_DoChMod(obj,mode);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1355 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1356 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1357 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1358 // todo error not found
1a7b08737ec4 * empty log message * charles parents: diff changeset	1359 yaffsfs_SetError(-ENOENT);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1360 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1361
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1362 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1363
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1364 return retVal;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1365
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1366 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1367
1a7b08737ec4 * empty log message * charles parents: diff changeset	1368
1a7b08737ec4 * empty log message * charles parents: diff changeset	1369 int yaffs_fchmod(int fd, mode_t mode)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1370 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1371 yaffs_Object *obj;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1372
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1373 int retVal = -1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1374
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1375 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1376 obj = yaffsfs_GetHandleObject(fd);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1377
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1378 if(obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1379 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1380 retVal = yaffsfs_DoChMod(obj,mode);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1381 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1382 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1383 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1384 // bad handle
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1385 yaffsfs_SetError(-EBADF);
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1386 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1387
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1388 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1389
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1390 return retVal;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1391 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1392
1a7b08737ec4 * empty log message * charles parents: diff changeset	1393
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1394 int yaffs_mkdir(const YCHAR *path, mode_t mode)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1395 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1396 yaffs_Object *parent = NULL;
126 41fbe6d74849 Fix possible null ptr dereference charles parents: 122 diff changeset	1397 yaffs_Object *dir = NULL;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1398 YCHAR *name;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1399 int retVal= -1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1400
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1401 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1402 parent = yaffsfs_FindDirectory(NULL,path,&name,0);
126 41fbe6d74849 Fix possible null ptr dereference charles parents: 122 diff changeset	1403 if(parent)
41fbe6d74849 Fix possible null ptr dereference charles parents: 122 diff changeset	1404 dir = yaffs_MknodDirectory(parent,name,mode,0,0);
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1405 if(dir)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1406 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1407 retVal = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1408 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1409 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1410 {
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1411 if(!parent){
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1412 yaffsfs_SetError(-ENOENT); // missing path
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1413 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1414 else if (yaffs_FindObjectByName(parent,name)){
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1415 yaffsfs_SetError(-EEXIST); // the name already exists
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1416 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1417 else
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1418 yaffsfs_SetError(-ENOSPC); // just assume no space
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1419 retVal = -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1420 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1421
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1422 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1423
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1424 return retVal;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1425 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1426
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1427 int yaffs_mount(const YCHAR *path)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1428 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1429 int retVal=-1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1430 int result=YAFFS_FAIL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1431 yaffs_Device *dev=NULL;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1432 YCHAR *dummy;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1433
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1434 T(YAFFS_TRACE_ALWAYS,(TSTR("yaffs: Mounting %s" TENDSTR),path));
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1435
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1436 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1437 dev = yaffsfs_FindDevice(path,&dummy);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1438 if(dev)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1439 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1440 if(!dev->isMounted)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1441 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1442 result = yaffs_GutsInitialise(dev);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1443 if(result == YAFFS_FAIL)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1444 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1445 // todo error - mount failed
1a7b08737ec4 * empty log message * charles parents: diff changeset	1446 yaffsfs_SetError(-ENOMEM);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1447 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1448 retVal = result ? 0 : -1;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1449
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1450 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1451 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1452 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1453 //todo error - already mounted.
1a7b08737ec4 * empty log message * charles parents: diff changeset	1454 yaffsfs_SetError(-EBUSY);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1455 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1456 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1457 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1458 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1459 // todo error - no device
1a7b08737ec4 * empty log message * charles parents: diff changeset	1460 yaffsfs_SetError(-ENODEV);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1461 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1462 yaffsfs_Unlock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1463 return retVal;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1464
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1465 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1466
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1467 int yaffs_sync(const YCHAR *path)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1468 {
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1469 int retVal=-1;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1470 yaffs_Device *dev=NULL;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1471 YCHAR *dummy;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1472
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1473 yaffsfs_Lock();
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1474 dev = yaffsfs_FindDevice(path,&dummy);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1475 if(dev)
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1476 {
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1477 if(dev->isMounted)
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1478 {
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1479
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1480 yaffs_FlushEntireDeviceCache(dev);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1481 yaffs_CheckpointSave(dev);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1482
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1483
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1484 }
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1485 else
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1486 {
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1487 //todo error - not mounted.
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1488 yaffsfs_SetError(-EINVAL);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1489
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1490 }
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1491 }
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1492 else
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1493 {
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1494 // todo error - no device
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1495 yaffsfs_SetError(-ENODEV);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1496 }
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1497 yaffsfs_Unlock();
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1498 return retVal;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1499 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1500
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1501
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1502 int yaffs_unmount(const YCHAR *path)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1503 {
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1504 int retVal=-1;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1505 yaffs_Device *dev=NULL;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1506 YCHAR *dummy;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1507
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1508 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1509 dev = yaffsfs_FindDevice(path,&dummy);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1510 if(dev)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1511 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1512 if(dev->isMounted)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1513 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1514 int i;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1515 int inUse;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1516
127 89a8d2461783 Flush entire cache at umount charles parents: 126 diff changeset	1517 yaffs_FlushEntireDeviceCache(dev);
131 9371b1f460a4 Checkpointing changes charles parents: 129 diff changeset	1518 yaffs_CheckpointSave(dev);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1519
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1520 for(i = inUse = 0; i < YAFFSFS_N_HANDLES && !inUse; i++)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1521 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1522 if(yaffsfs_handle[i].inUse && yaffsfs_handle[i].obj->myDev == dev)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1523 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1524 inUse = 1; // the device is in use, can't unmount
1a7b08737ec4 * empty log message * charles parents: diff changeset	1525 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1526 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1527
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1528 if(!inUse)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1529 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1530 yaffs_Deinitialise(dev);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1531
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1532 retVal = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1533 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1534 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1535 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1536 // todo error can't unmount as files are open
1a7b08737ec4 * empty log message * charles parents: diff changeset	1537 yaffsfs_SetError(-EBUSY);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1538 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1539
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1540 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1541 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1542 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1543 //todo error - not mounted.
1a7b08737ec4 * empty log message * charles parents: diff changeset	1544 yaffsfs_SetError(-EINVAL);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1545
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1546 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1547 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1548 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1549 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1550 // todo error - no device
1a7b08737ec4 * empty log message * charles parents: diff changeset	1551 yaffsfs_SetError(-ENODEV);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1552 }
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1553 yaffsfs_Unlock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1554 return retVal;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1555
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1556 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1557
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1558 loff_t yaffs_freespace(const YCHAR *path)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1559 {
152 3bc7020d669c Add large NAND support and improve retirement handling charles parents: 131 diff changeset	1560 loff_t retVal=-1;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1561 yaffs_Device *dev=NULL;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1562 YCHAR *dummy;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1563
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1564 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1565 dev = yaffsfs_FindDevice(path,&dummy);
12 0ea63ca43a42 Fix problem when accessing unmounted fs charles parents: 6 diff changeset	1566 if(dev && dev->isMounted)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1567 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1568 retVal = yaffs_GetNumberOfFreeChunks(dev);
152 3bc7020d669c Add large NAND support and improve retirement handling charles parents: 131 diff changeset	1569 retVal *= dev->nDataBytesPerChunk;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1570
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1571 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1572 else
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1573 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1574 yaffsfs_SetError(-EINVAL);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1575 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1576
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1577 yaffsfs_Unlock();
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1578 return retVal;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1579 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1580
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1581 loff_t yaffs_totalspace(const YCHAR *path)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1582 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1583 loff_t retVal=-1;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1584 yaffs_Device *dev=NULL;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1585 YCHAR *dummy;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1586
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1587 yaffsfs_Lock();
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1588 dev = yaffsfs_FindDevice(path,&dummy);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1589 if(dev && dev->isMounted)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1590 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1591 retVal = (dev->endBlock - dev->startBlock + 1) - dev->nReservedBlocks;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1592 retVal *= dev->nChunksPerBlock;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1593 retVal *= dev->nDataBytesPerChunk;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1594
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1595 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1596 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1597 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1598 yaffsfs_SetError(-EINVAL);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1599 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1600
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1601 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1602 return retVal;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1603 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1604
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1605
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1606
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1607 void yaffs_initialise(yaffsfs_DeviceConfiguration *cfgList)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1608 {
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1609
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1610 yaffsfs_DeviceConfiguration *cfg;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1611
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1612 yaffsfs_configurationList = cfgList;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1613
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1614 yaffsfs_InitHandles();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1615
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1616 cfg = yaffsfs_configurationList;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1617
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1618 while(cfg && cfg->prefix && cfg->dev)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1619 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1620 cfg->dev->isMounted = 0;
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1621 cfg->dev->removeObjectCallback = yaffsfs_RemoveObjectCallback;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1622 cfg++;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1623 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1624
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1625
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1626 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1627
1a7b08737ec4 * empty log message * charles parents: diff changeset	1628
1a7b08737ec4 * empty log message * charles parents: diff changeset	1629 //
1a7b08737ec4 * empty log message * charles parents: diff changeset	1630 // Directory search stuff.
1a7b08737ec4 * empty log message * charles parents: diff changeset	1631
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1632 //
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1633 // Directory search context
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1634 //
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1635 // NB this is an opaque structure.
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1636
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1637
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1638 typedef struct
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1639 {
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1640 __u32 magic;
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1641 yaffs_dirent de; /* directory entry being used by this dsc */
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1642 YCHAR name[NAME_MAX+1]; /* name of directory being searched */
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1643 yaffs_Object dirObj; / ptr to directory being searched */
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1644 yaffs_Object nextReturn; / obj to be returned by next readddir */
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1645 int offset;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1646 struct ylist_head others;
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1647 } yaffsfs_DirectorySearchContext;
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1648
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1649
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1650
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1651 static struct ylist_head search_contexts;
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1652
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1653
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1654 static void yaffsfs_SetDirRewound(yaffsfs_DirectorySearchContext *dsc)
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1655 {
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1656 if(dsc &&
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1657 dsc->dirObj &&
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1658 dsc->dirObj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY){
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1659
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1660 dsc->offset = 0;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1661
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1662 if( ylist_empty(&dsc->dirObj->variant.directoryVariant.children)){
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1663 dsc->nextReturn = NULL;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1664 } else {
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1665 dsc->nextReturn = ylist_entry(dsc->dirObj->variant.directoryVariant.children.next,
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1666 yaffs_Object,siblings);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1667 }
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1668 } else {
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1669 /* Hey someone isn't playing nice! */
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1670 }
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1671 }
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1672
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1673 static void yaffsfs_DirAdvance(yaffsfs_DirectorySearchContext *dsc)
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1674 {
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1675 if(dsc &&
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1676 dsc->dirObj &&
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1677 dsc->dirObj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY){
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1678
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1679 if( dsc->nextReturn == NULL \|\|
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1680 ylist_empty(&dsc->dirObj->variant.directoryVariant.children)){
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1681 dsc->nextReturn = NULL;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1682 } else {
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1683 struct ylist_head *next = dsc->nextReturn->siblings.next;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1684
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1685 if( next == &dsc->dirObj->variant.directoryVariant.children)
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1686 dsc->nextReturn = NULL; /* end of list */
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1687 else
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1688 dsc->nextReturn = ylist_entry(next,yaffs_Object,siblings);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1689 }
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1690 } else {
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1691 /* Hey someone isn't playing nice! */
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1692 }
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1693 }
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1694
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1695 static void yaffsfs_RemoveObjectCallback(yaffs_Object *obj)
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1696 {
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1697
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1698 struct ylist_head *i;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1699 yaffsfs_DirectorySearchContext *dsc;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1700
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1701 /* if search contexts not initilised then skip */
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1702 if(!search_contexts.next)
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1703 return;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1704
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1705 /* Iterate through the directory search contexts.
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1706 * If any are the one being removed, then advance the dsc to
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1707 * the next one to prevent a hanging ptr.
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1708 */
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1709 ylist_for_each(i, &search_contexts) {
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1710 if (i) {
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1711 dsc = ylist_entry(i, yaffsfs_DirectorySearchContext,others);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1712 if(dsc->nextReturn == obj)
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1713 yaffsfs_DirAdvance(dsc);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1714 }
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1715 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1716
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1717 }
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1718
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1719 yaffs_DIR yaffs_opendir(const YCHAR dirname)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1720 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1721 yaffs_DIR *dir = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1722 yaffs_Object *obj = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1723 yaffsfs_DirectorySearchContext *dsc = NULL;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1724
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1725 yaffsfs_Lock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1726
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1727 obj = yaffsfs_FindObject(NULL,dirname,0);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1728
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1729 if(obj && obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1730 {
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1731
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1732 dsc = YMALLOC(sizeof(yaffsfs_DirectorySearchContext));
1a7b08737ec4 * empty log message * charles parents: diff changeset	1733 dir = (yaffs_DIR *)dsc;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1734 if(dsc)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1735 {
94 c53efc2aec17 Improve YDI lookup and device prefic handling charles parents: 84 diff changeset	1736 memset(dsc,0,sizeof(yaffsfs_DirectorySearchContext));
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1737 dsc->magic = YAFFS_MAGIC;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1738 dsc->dirObj = obj;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1739 yaffs_strncpy(dsc->name,dirname,NAME_MAX);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1740 YINIT_LIST_HEAD(&dsc->others);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1741
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1742 if(!search_contexts.next)
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1743 YINIT_LIST_HEAD(&search_contexts);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1744
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1745 ylist_add(&dsc->others,&search_contexts);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1746 yaffsfs_SetDirRewound(dsc); }
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1747
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1748 }
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1749
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1750 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1751
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1752 return dir;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1753 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1754
1a7b08737ec4 * empty log message * charles parents: diff changeset	1755 struct yaffs_dirent yaffs_readdir(yaffs_DIR dirp)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1756 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1757 yaffsfs_DirectorySearchContext dsc = (yaffsfs_DirectorySearchContext )dirp;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1758 struct yaffs_dirent *retVal = NULL;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1759
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1760 yaffsfs_Lock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1761
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1762 if(dsc && dsc->magic == YAFFS_MAGIC){
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1763 yaffsfs_SetError(0);
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1764 if(dsc->nextReturn){
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1765 dsc->de.d_ino = yaffs_GetEquivalentObject(dsc->nextReturn)->objectId;
157 41dac3f9ad92 Add more test stuff charles parents: 152 diff changeset	1766 dsc->de.d_dont_use = (unsigned)dsc->nextReturn;
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1767 dsc->de.d_off = dsc->offset++;
157 41dac3f9ad92 Add more test stuff charles parents: 152 diff changeset	1768 yaffs_GetObjectName(dsc->nextReturn,dsc->de.d_name,NAME_MAX);
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1769 if(yaffs_strlen(dsc->de.d_name) == 0)
157 41dac3f9ad92 Add more test stuff charles parents: 152 diff changeset	1770 {
41dac3f9ad92 Add more test stuff charles parents: 152 diff changeset	1771 // this should not happen!
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1772 yaffs_strcpy(dsc->de.d_name,_Y("zz"));
157 41dac3f9ad92 Add more test stuff charles parents: 152 diff changeset	1773 }
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1774 dsc->de.d_reclen = sizeof(struct yaffs_dirent);
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1775 retVal = &dsc->de;
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1776 yaffsfs_DirAdvance(dsc);
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1777 } else
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1778 retVal = NULL;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1779 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1780 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1781 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1782 yaffsfs_SetError(-EBADF);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1783 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1784
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1785 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1786
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1787 return retVal;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1788
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1789 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1790
1a7b08737ec4 * empty log message * charles parents: diff changeset	1791
1a7b08737ec4 * empty log message * charles parents: diff changeset	1792 void yaffs_rewinddir(yaffs_DIR *dirp)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1793 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1794 yaffsfs_DirectorySearchContext dsc = (yaffsfs_DirectorySearchContext )dirp;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1795
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1796 yaffsfs_Lock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1797
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1798 yaffsfs_SetDirRewound(dsc);
9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1799
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1800 yaffsfs_Unlock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1801 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1802
1a7b08737ec4 * empty log message * charles parents: diff changeset	1803
1a7b08737ec4 * empty log message * charles parents: diff changeset	1804 int yaffs_closedir(yaffs_DIR *dirp)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1805 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1806 yaffsfs_DirectorySearchContext dsc = (yaffsfs_DirectorySearchContext )dirp;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1807
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1808 yaffsfs_Lock();
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1809 dsc->magic = 0;
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1810 ylist_del(&dsc->others); /* unhook from list */
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1811 YFREE(dsc);
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1812 yaffsfs_Unlock();
b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1813 return 0;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1814 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1815
84 9af8bbd3c1da Add support for faster yaffs direct look-ups. charles parents: 23 diff changeset	1816 // end of directory stuff
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1817
1a7b08737ec4 * empty log message * charles parents: diff changeset	1818
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1819 int yaffs_symlink(const YCHAR oldpath, const YCHAR newpath)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1820 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1821 yaffs_Object *parent = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1822 yaffs_Object *obj;
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1823 YCHAR *name;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1824 int retVal= -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1825 int mode = 0; // ignore for now
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1826
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1827 yaffsfs_Lock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1828 parent = yaffsfs_FindDirectory(NULL,newpath,&name,0);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1829 obj = yaffs_MknodSymLink(parent,name,mode,0,0,oldpath);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1830 if(obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1831 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1832 retVal = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1833 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1834 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1835 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1836 yaffsfs_SetError(-ENOSPC); // just assume no space for now
1a7b08737ec4 * empty log message * charles parents: diff changeset	1837 retVal = -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1838 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1839
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1840 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1841
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1842 return retVal;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1843
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1844 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1845
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1846 int yaffs_readlink(const YCHAR path, YCHAR buf, int bufsiz)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1847 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1848 yaffs_Object *obj = NULL;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1849 int retVal;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1850
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1851
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1852 yaffsfs_Lock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1853
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1854 obj = yaffsfs_FindObject(NULL,path,0);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1855
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1856 if(!obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1857 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1858 yaffsfs_SetError(-ENOENT);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1859 retVal = -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1860 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1861 else if(obj->variantType != YAFFS_OBJECT_TYPE_SYMLINK)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1862 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1863 yaffsfs_SetError(-EINVAL);
1a7b08737ec4 * empty log message * charles parents: diff changeset	1864 retVal = -1;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1865 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1866 else
1a7b08737ec4 * empty log message * charles parents: diff changeset	1867 {
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1868 YCHAR *alias = obj->variant.symLinkVariant.alias;
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1869 memset(buf,0,bufsiz);
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1870 yaffs_strncpy(buf,alias,bufsiz - 1);
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1871 retVal = 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1872 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1873 yaffsfs_Unlock();
1a7b08737ec4 * empty log message * charles parents: diff changeset	1874 return retVal;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1875 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1876
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1877 int yaffs_link(const YCHAR oldpath, const YCHAR newpath)
122 5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1878 {
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1879 // Creates a link called newpath to existing oldpath
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1880 yaffs_Object *obj = NULL;
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1881 yaffs_Object *target = NULL;
129 162e3c157c62 Fix trivial compiler warning colin parents: 127 diff changeset	1882 int retVal = 0;
122 5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1883
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1884
122 5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1885 yaffsfs_Lock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1886
122 5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1887 obj = yaffsfs_FindObject(NULL,oldpath,0);
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1888 target = yaffsfs_FindObject(NULL,newpath,0);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1889
122 5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1890 if(!obj)
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1891 {
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1892 yaffsfs_SetError(-ENOENT);
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1893 retVal = -1;
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1894 }
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1895 else if(target)
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1896 {
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1897 yaffsfs_SetError(-EEXIST);
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1898 retVal = -1;
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1899 }
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1900 else
122 5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1901 {
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1902 yaffs_Object *newdir = NULL;
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1903 yaffs_Object *link = NULL;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1904
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1905 YCHAR *newname;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1906
122 5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1907 newdir = yaffsfs_FindDirectory(NULL,newpath,&newname,0);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1908
122 5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1909 if(!newdir)
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1910 {
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1911 yaffsfs_SetError(-ENOTDIR);
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1912 retVal = -1;
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1913 }
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1914 else if(newdir->myDev != obj->myDev)
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1915 {
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1916 yaffsfs_SetError(-EXDEV);
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1917 retVal = -1;
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1918 }
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1919 if(newdir && yaffs_strlen(newname) > 0)
122 5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1920 {
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1921 link = yaffs_Link(newdir,newname,obj);
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1922 if(link)
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1923 retVal = 0;
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1924 else
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1925 {
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1926 yaffsfs_SetError(-ENOSPC);
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1927 retVal = -1;
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1928 }
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1929
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1930 }
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1931 }
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1932 yaffsfs_Unlock();
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1933
122 5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1934 return retVal;
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1935 }
5dbd6682bfb2 Add hardlinks to yaffs direct charles parents: 94 diff changeset	1936
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1937 int yaffs_mknod(const YCHAR *pathname, mode_t mode, dev_t dev);
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1938
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1939 int yaffs_DumpDevStruct(const YCHAR *path)
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1940 {
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1941 #if 0
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1942 YCHAR *rest;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1943
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1944 yaffs_Object *obj = yaffsfs_FindRoot(path,&rest);
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1945
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1946 if(obj)
1a7b08737ec4 * empty log message * charles parents: diff changeset	1947 {
1a7b08737ec4 * empty log message * charles parents: diff changeset	1948 yaffs_Device *dev = obj->myDev;
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1949
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1950 printf("\n"
1a7b08737ec4 * empty log message * charles parents: diff changeset	1951 "nPageWrites.......... %d\n"
1a7b08737ec4 * empty log message * charles parents: diff changeset	1952 "nPageReads........... %d\n"
1a7b08737ec4 * empty log message * charles parents: diff changeset	1953 "nBlockErasures....... %d\n"
1a7b08737ec4 * empty log message * charles parents: diff changeset	1954 "nGCCopies............ %d\n"
1a7b08737ec4 * empty log message * charles parents: diff changeset	1955 "garbageCollections... %d\n"
1a7b08737ec4 * empty log message * charles parents: diff changeset	1956 "passiveGarbageColl'ns %d\n"
1a7b08737ec4 * empty log message * charles parents: diff changeset	1957 "\n",
1a7b08737ec4 * empty log message * charles parents: diff changeset	1958 dev->nPageWrites,
1a7b08737ec4 * empty log message * charles parents: diff changeset	1959 dev->nPageReads,
1a7b08737ec4 * empty log message * charles parents: diff changeset	1960 dev->nBlockErasures,
1a7b08737ec4 * empty log message * charles parents: diff changeset	1961 dev->nGCCopies,
1a7b08737ec4 * empty log message * charles parents: diff changeset	1962 dev->garbageCollections,
1a7b08737ec4 * empty log message * charles parents: diff changeset	1963 dev->passiveGarbageCollections
1a7b08737ec4 * empty log message * charles parents: diff changeset	1964 );
215 b08276bd7b2d Clean up some yaffs1 mode issues. charles parents: 211 diff changeset	1965
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1966 }
211 fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1967
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes charles parents: 185 diff changeset	1968 #endif
1 1a7b08737ec4 * empty log message * charles parents: diff changeset	1969 return 0;
1a7b08737ec4 * empty log message * charles parents: diff changeset	1970 }
1a7b08737ec4 * empty log message * charles parents: diff changeset	1971

Mercurial > yaffs-ecoscentric

annotate direct/yaffsfs.c @ 215:b08276bd7b2d