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annotate packages/fs/rom/current/support/mk_romfs.c @ 3292:7f8e529b4d82 default tip

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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 8d5bed76c596
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 //==========================================================================
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2 //
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3 // mk_romfs.c
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4 //
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5 // Create ROM file system image
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6 //
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7 //==========================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2010 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //==========================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): richard.panton@3glab.com
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43 // Contributors: richard.panton@3glab.com
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44 // Date: 2000-07-25
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45 // Purpose: ROM file system
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46 // Description: This program creates a ROM file system image, suitable
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47 // for use with the sample ROM file system implemented by
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48 // this package.
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49 // * CAUTION! * This is host code and can only be built
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50 // in a host, e.g. Linux, environment.
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51 //
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52 //####DESCRIPTIONEND####
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53 //==========================================================================
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54
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55 #include <stdlib.h>
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56 #include <string.h>
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57 #include <stdio.h>
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58 #include <stdarg.h>
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59 #include <sys/stat.h>
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60 #include <sys/types.h>
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61 #include <dirent.h>
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62 #include <fcntl.h>
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63 #include <unistd.h>
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64 #include <errno.h>
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65 #include <stdint.h>
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66
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67 //==========================================================================
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68 //
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69 // CONFIGURABLE ITEMS HERE
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70 //
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71 //==========================================================================
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72
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73 // define LONG to be a four byte unsigned integer on the host
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74 #define LONG uint32_t
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75
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76 // define SHORT to be a two byte unsigned integer on the host
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77 #define SHORT uint16_t
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78
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79 // All data files should be aligned to this sized boundary (minimum probably 32)
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80 #define DATA_ALIGN 32
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81
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82 // The data stored in a directory should be aligned to this size boundary
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83 #define DIRECTORY_ALIGN 32
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84
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85 // All executable files should be aligned to this sized boundary (minimum probably 32)
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86 #define EXEC_ALIGN 32
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87
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88 // Undefine this if the host filesystem does not support lstat()
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89 #define HAS_LSTAT
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90
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91 // Win32 definitions
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92 #ifdef _WIN32
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93 #undef HAS_LSTAT
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94 #define S_ISLNK(m) (0)
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95 typedef unsigned int uid_t;
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96 typedef unsigned int gid_t;
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97 #endif
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98
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99 //==========================================================================
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100
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101 // Return (n) aligned to the next (b) byte boundary
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102 #define ALIGN_TO( n, b ) (( (n) + (b)-1 ) & ~((b)-1))
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103
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104 // Set the stat call to use
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105 #ifdef HAS_LSTAT
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106 #define get_status( p, b ) lstat( (p), (b) )
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107 #else
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108 #define get_status( p, b ) stat( (p), (b) )
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109 #endif
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110
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111 // This is how we identify a directory from its mode
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112 #define IS_DIRECTORY( m ) (S_ISDIR(m))
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113
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114 // This is how we identify a data file from its mode
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115 #define IS_DATAFILE( m ) (S_ISREG(m) && ((m)&S_IXUSR) == 0 )
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116
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117 // This is how we identify an executable from its mode
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118 #define IS_EXECUTABLE( m ) (S_ISREG(m) && ((m)&S_IXUSR) != 0 )
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119
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120 // This is how we identify a symbolic link from its mode
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121 #define IS_SYMLINK( m ) (S_ISLNK(m))
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122
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123 #define ROMFS_MAGIC 0x526f6d2e
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124
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125 //=========================================================================
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126 // EXIT CODES
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127 #define EXIT_SUCCESS 0
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128 #define EXIT_ARGS 1
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129 #define EXIT_MALLOC 2
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130 #define EXIT_FILESYS 3
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131 #define EXIT_WRITE 4
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132 #define EXIT_SEEK 5
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133 #define EXIT_COMPILE 6
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134 #define EXIT_BUG 7
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135
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136
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137
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138 // These are the structures we will build into the ROMFS image.
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139 // The sizes of these structures should be fixed for all architectures
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140 typedef struct romfs_dirent {
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141 LONG node; // 4
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142 LONG next; // 8
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143 char name[0]; // 8 + strlen(name) + 1
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144 } romfs_dirent; // Aligns to next 32 byte boundary
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145
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146 typedef struct romfs_node {
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147 LONG mode; // 4
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148 LONG nlink; // 8
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149 SHORT uid; // 10
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150 SHORT gid; // 12
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151 LONG size; // 16
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152 LONG ctime; // 20
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153 LONG data_offset; // 24
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154 char pad[8]; // 32
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155 } romfs_node; // Next node begins here
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156
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157 typedef struct romfs_disk {
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158 LONG magic; // 4
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159 LONG nodecount; // 8
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160 LONG disksize; // 12
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161 LONG dev_id; // 16
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162 char name[16]; // 32
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163 } romfs_disk; // Nodes start here
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164
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165 // This is the holding structure for a node
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166 typedef struct node {
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167 const char *path; // Filename (inc. path) of a link to this node
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168 size_t size; // Size of file/directory/link
171
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169 mode_t st_mode; // Type and permissions
156
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170 uid_t uid; // Owner id
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171 gid_t gid; // Group id
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172 time_t ctime; // File creation time
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173 int nodenum; // Nodenumber of this node in the ROMFS image
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174 dev_t device; // Device (for hardlink check)
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175 ino_t inode; // Inode (for hardlink check)
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176 int nlink; // [DIRECTORIES] Number of sub-directories [FILES] hard links
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177 romfs_dirent *entry; // [DIRECTORIES] Points to an array of directory entries
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178 int entry_size; // Size to be allocated to file (includes alignment bytes)
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179 unsigned long offset; // Offset within ROMFS image of data
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180 struct node *sibling; // Points to the next entry in this directory
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181 struct node *child; // [DIRECTORIES] Points to any subdirectories
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182 struct node *next_in_rom; // Next in ROMFS write order
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183 struct node *next_multilink;// Next node that is multilinked
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184 } node;
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185
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186 static int nodes = 0;
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187 static char *prog;
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188 static int verbose = 1;
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189 static int dowrite = 1;
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190 static int bigendian = 0;
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191 static int hardlinks = 0;
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192 static unsigned long coffset = 0;
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193 static node * first = NULL;
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194 static node ** last_p = &first;
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195 static node * first_multilink = NULL;
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196 static node ** last_multilink_p = &first_multilink;
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197 static int fd = -1;
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198
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199 #define VERB_NONE 0
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200 #define VERB_MINIMUM 1
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201 #define VERB_SUB 2
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202 #define VERB_MAX 3
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203 #define VERB_EXCESSIVE 4
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204
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205 // Use gcc format argument checking on this function, which cannot return
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206 static void fatal_error( int exitcode, const char *fmt, ... ) \
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207 __attribute__ (( noreturn,format (printf, 2, 3) ));
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208
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209 // Use gcc format argument checking on this function
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210 static void verb_printf( int level, const char *fmt, ... ) \
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211 __attribute__ ((format (printf, 2, 3) ));
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212
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213 static void fatal_error( int exitcode, const char *fmt, ... ) {
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214 va_list v;
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215
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216 va_start( v, fmt );
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217 vfprintf( stderr, fmt, v );
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218
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219 exit(exitcode);
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220 }
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221
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222 static void verb_printf( int level, const char *fmt, ... ){
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223 if ( level <= verbose ) {
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224 va_list v;
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225 va_start( v,fmt );
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226 vprintf(fmt, v);
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227 }
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228 }
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229
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230 static void *mymalloc( size_t size ) {
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231 void *p = malloc(size);
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232 if ( !p ) {
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233 fatal_error( EXIT_MALLOC, "Out of memory allocating %d bytes\n", size );
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234 }
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235 return p;
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236 }
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237
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238 static void myrealloc( void **o, size_t newsize ) {
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239 if ( *o == NULL )
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240 *o = mymalloc( newsize );
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241 else if ( !(*o = realloc( *o, newsize )) ) {
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242 fatal_error( EXIT_MALLOC, "Out of memory re-allocating %d bytes\n", newsize );
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243 }
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244 }
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245
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246 static void outputlong( unsigned char *b, LONG w ) {
156
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247 if ( bigendian ) {
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248 b[0] = (w>>24) & 0xff;
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249 b[1] = (w>>16) & 0xff;
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250 b[2] = (w>> 8) & 0xff;
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251 b[3] = (w ) & 0xff;
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252 } else {
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253 b[3] = (w>>24) & 0xff;
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254 b[2] = (w>>16) & 0xff;
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255 b[1] = (w>> 8) & 0xff;
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256 b[0] = (w ) & 0xff;
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257 }
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258 }
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259
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260 static void outputshort( unsigned char *b, SHORT w ) {
156
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261 if ( bigendian ) {
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262 b[0] = (w>> 8) & 0xff;
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263 b[1] = (w ) & 0xff;
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264 } else {
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265 b[1] = (w>> 8) & 0xff;
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266 b[0] = (w ) & 0xff;
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267 }
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268 }
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269
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270 static unsigned long ConvertMode( unsigned long posix_mode ) {
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271 unsigned long result = 0;
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272 if ( S_ISDIR( posix_mode ) ) result |= 1<<0;
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273 if ( S_ISCHR( posix_mode ) ) result |= 1<<1;
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274 if ( S_ISBLK( posix_mode ) ) result |= 1<<2;
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275 if ( S_ISREG( posix_mode ) ) result |= 1<<3;
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276 if ( S_ISFIFO(posix_mode ) ) result |= 1<<4;
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277 // We cannot create MQ, SEM, or SHM entries here
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278 if ( posix_mode & S_IRUSR ) result |= 1<<16;
087b71a00179 * support/mk_romfs.c: S_I[RWX]{USR|GRP|OTH} etc changed to match
asl
parents: 210
diff changeset
279 if ( posix_mode & S_IWUSR ) result |= 1<<17;
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diff changeset
280 if ( posix_mode & S_IXUSR ) result |= 1<<18;
2980
8d5bed76c596 * cdl/romfs.cdl: Add CYGFUN_FS_ROM_FLASH_BLOCK_DEVICE_LOOKUP option.
jld
parents: 2729
diff changeset
281 #ifndef _WIN32
1104
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diff changeset
282 if ( posix_mode & S_IRGRP ) result |= 1<<19;
087b71a00179 * support/mk_romfs.c: S_I[RWX]{USR|GRP|OTH} etc changed to match
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parents: 210
diff changeset
283 if ( posix_mode & S_IWGRP ) result |= 1<<20;
087b71a00179 * support/mk_romfs.c: S_I[RWX]{USR|GRP|OTH} etc changed to match
asl
parents: 210
diff changeset
284 if ( posix_mode & S_IXGRP ) result |= 1<<21;
087b71a00179 * support/mk_romfs.c: S_I[RWX]{USR|GRP|OTH} etc changed to match
asl
parents: 210
diff changeset
285 if ( posix_mode & S_IROTH ) result |= 1<<22;
087b71a00179 * support/mk_romfs.c: S_I[RWX]{USR|GRP|OTH} etc changed to match
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parents: 210
diff changeset
286 if ( posix_mode & S_IWOTH ) result |= 1<<23;
087b71a00179 * support/mk_romfs.c: S_I[RWX]{USR|GRP|OTH} etc changed to match
asl
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287 if ( posix_mode & S_IXOTH ) result |= 1<<24;
087b71a00179 * support/mk_romfs.c: S_I[RWX]{USR|GRP|OTH} etc changed to match
asl
parents: 210
diff changeset
288 if ( posix_mode & S_ISUID ) result |= 1<<25;
087b71a00179 * support/mk_romfs.c: S_I[RWX]{USR|GRP|OTH} etc changed to match
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diff changeset
289 if ( posix_mode & S_ISGID ) result |= 1<<26;
2980
8d5bed76c596 * cdl/romfs.cdl: Add CYGFUN_FS_ROM_FLASH_BLOCK_DEVICE_LOOKUP option.
jld
parents: 2729
diff changeset
290 #endif
171
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diff changeset
291 return result;
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292 }
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diff changeset
293
156
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294 static const char *AddDirEntry( const char *name, node *parent_node, int node_num ) {
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295 int this_size = ((strlen(name) + 4 + 4 + 1) + 31) & ~31;
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296 int start = parent_node->size;
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297 romfs_dirent *g;
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298 myrealloc( (void**)&parent_node->entry, (parent_node->size += this_size) );
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299 g = (romfs_dirent *)((unsigned char *)parent_node->entry + start);
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300 memset( (void*)g, '\0', this_size );
2128
06a1f8221912 * support/mk_romfs.c: Use stdint.h defined types so the code is
asl
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diff changeset
301 outputlong( (unsigned char*)&g->node, node_num);
06a1f8221912 * support/mk_romfs.c: Use stdint.h defined types so the code is
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diff changeset
302 outputlong( (unsigned char*)&g->next, parent_node->size);
156
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303 strcpy(g->name,name);
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304 verb_printf( VERB_MAX, "\t%s --> node %d\n", name, node_num );
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305 return (const char *)g->name;
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306 }
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diff changeset
307
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diff changeset
308 extern int errno;
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309
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310 static node * FindLink( dev_t d, ino_t i ) {
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311 // See if the node has been previously included by checking the device/inode
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312 // combinations of all known multi-linked nodes
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313 node *np = first_multilink;
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314
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315 for ( ; np ; np = np->next_multilink ) {
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diff changeset
316 if ( np->device == d && np->inode == i )
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diff changeset
317 return np;
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diff changeset
318 }
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319 return NULL;
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320 }
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diff changeset
321
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322 static node * GetNodeInfo( const char *path, const char *name, int *hlink ) {
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323 char newpath[1024];
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324 node *node, *lnode;
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diff changeset
325 struct stat stbuff;
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diff changeset
326
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327 sprintf(newpath,"%s/%s",path,name);
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328 if ( (get_status(newpath,&stbuff)) < 0 ) {
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329 fatal_error(EXIT_FILESYS, "stat(%s) failed: %s\n", newpath, strerror(errno));
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330 }
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diff changeset
331 if ( !(stbuff.st_mode & S_IRUSR) ) {
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332 fatal_error(EXIT_FILESYS, "\"%s\" is not readable\n", newpath );
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333 }
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diff changeset
334 if ( hardlinks && S_ISREG( stbuff.st_mode ) && stbuff.st_nlink > 1 ) {
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diff changeset
335
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336 // See if this node has already been loaded
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337 lnode = FindLink( stbuff.st_dev, stbuff.st_ino );
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338
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339 if ( lnode ) {
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340 lnode->nlink++;
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341 *hlink = 1;
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342 return lnode; // Return the found link instead
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343 }
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344
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diff changeset
345 // Create a new node
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346 node = mymalloc( sizeof(struct node) );
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347
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348 // Incorporate the new link into the 'multi-linked' node list
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349 *last_multilink_p = node;
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350 last_multilink_p = &node->next_multilink;
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351 } else {
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diff changeset
352 // Create a new node
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353 node = mymalloc( sizeof(struct node) );
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354 }
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355 node->path = strdup( newpath );
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diff changeset
356 // We re-calculate the size for directories
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diff changeset
357 node->size = IS_DIRECTORY( stbuff.st_mode ) ? 0 : stbuff.st_size;
171
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358 node->st_mode = stbuff.st_mode;
156
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diff changeset
359 node->uid = stbuff.st_uid;
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diff changeset
360 node->gid = stbuff.st_gid;
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diff changeset
361 node->ctime = stbuff.st_ctime;
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diff changeset
362 node->nodenum = nodes++;
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diff changeset
363 node->device = stbuff.st_dev;
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diff changeset
364 node->inode = stbuff.st_ino;
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diff changeset
365 // We always re-calculate the number of links
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diff changeset
366 node->nlink = IS_DIRECTORY( stbuff.st_mode ) ? 2 : 1;
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diff changeset
367 node->entry = NULL;
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diff changeset
368 node->entry_size = 0;
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diff changeset
369 node->offset = 0;
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diff changeset
370 node->sibling = NULL;
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diff changeset
371 node->child = NULL;
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diff changeset
372 node->next_in_rom = NULL;
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diff changeset
373 node->next_multilink = NULL;
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diff changeset
374 *hlink = 0;
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diff changeset
375 return node;
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diff changeset
376 }
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diff changeset
377
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diff changeset
378 static void ScanDirectory(node *mynode, int p_node) {
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diff changeset
379
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diff changeset
380 DIR *dh;
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jlarmour
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diff changeset
381 struct dirent *e;
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diff changeset
382 node **last_p = &mynode->child;
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diff changeset
383 node *th;
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diff changeset
384 int was_hardlinked;
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diff changeset
385
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diff changeset
386 if ( (dh = opendir( mynode->path )) == NULL ) {
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jlarmour
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diff changeset
387 perror(mynode->path);
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jlarmour
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diff changeset
388 return;
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diff changeset
389 }
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diff changeset
390
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391 verb_printf(VERB_EXCESSIVE, "Construct directory '%s'(%d):\n",
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jlarmour
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diff changeset
392 mynode->path, mynode->nodenum );
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diff changeset
393
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jlarmour
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diff changeset
394 // Add . & .. here because they MUST be present in the image
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diff changeset
395 AddDirEntry( ".", mynode, mynode->nodenum );
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diff changeset
396 AddDirEntry( "..", mynode, p_node );
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parents:
diff changeset
397
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jlarmour
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diff changeset
398 while ( (e = readdir( dh )) ) {
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diff changeset
399 // Ignore . & .. here because they MAY NOT be in the host filesystem
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parents:
diff changeset
400 if ( strcmp(e->d_name,".") && strcmp(e->d_name,"..") ) {
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jlarmour
parents:
diff changeset
401
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jlarmour
parents:
diff changeset
402
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diff changeset
403 th = GetNodeInfo( mynode->path, e->d_name, &was_hardlinked );
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jlarmour
parents:
diff changeset
404 AddDirEntry( e->d_name, mynode, th->nodenum );
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jlarmour
parents:
diff changeset
405
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jlarmour
parents:
diff changeset
406 if ( !was_hardlinked ) {
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jlarmour
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diff changeset
407 verb_printf( VERB_EXCESSIVE, "\t\tNew node %d for entry '%s'\n", th->nodenum, e->d_name);
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jlarmour
parents:
diff changeset
408 *last_p = th;
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jlarmour
parents:
diff changeset
409 last_p = &th->sibling;
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jlarmour
parents:
diff changeset
410 } else {
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jlarmour
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diff changeset
411 verb_printf( VERB_EXCESSIVE, "\t\tRe-used node %d for entry '%s'\n", th->nodenum, e->d_name);
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jlarmour
parents:
diff changeset
412 }
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jlarmour
parents:
diff changeset
413 }
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jlarmour
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diff changeset
414 }
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jlarmour
parents:
diff changeset
415 closedir( dh );
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jlarmour
parents:
diff changeset
416 verb_printf(VERB_EXCESSIVE,"Completed '%s'. Checking for child directories...\n", mynode->path);
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jlarmour
parents:
diff changeset
417
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jlarmour
parents:
diff changeset
418 for ( th = mynode->child ; th ; th = th->sibling ) {
171
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parents: 156
diff changeset
419 if ( IS_DIRECTORY( th->st_mode ) ) {
156
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jlarmour
parents:
diff changeset
420 mynode->nlink++;
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jlarmour
parents:
diff changeset
421 ScanDirectory( th, mynode->nodenum );
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jlarmour
parents:
diff changeset
422 }
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jlarmour
parents:
diff changeset
423 }
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jlarmour
parents:
diff changeset
424 }
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jlarmour
parents:
diff changeset
425
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jlarmour
parents:
diff changeset
426 static void AllocateSpaceToDirectories( node *first ) {
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jlarmour
parents:
diff changeset
427 node *np;
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jlarmour
parents:
diff changeset
428
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jlarmour
parents:
diff changeset
429 for ( np = first ; np ; np = np->sibling ) {
171
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430 if ( IS_DIRECTORY( np->st_mode ) ) {
156
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jlarmour
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431 // The first node is a directory. Add its data
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jlarmour
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diff changeset
432 np->offset = coffset;
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jlarmour
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433 np->entry_size = ALIGN_TO( np->size, DIRECTORY_ALIGN );
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jlarmour
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diff changeset
434 coffset += np->entry_size;
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jlarmour
parents:
diff changeset
435
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jlarmour
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436 verb_printf( VERB_MAX, "\t\tnode %5d : 0x%06lX (+0x%05X)\n",
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jlarmour
parents:
diff changeset
437 np->nodenum, np->offset, np->entry_size );
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jlarmour
parents:
diff changeset
438
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jlarmour
parents:
diff changeset
439 // Link this node into the write order chain.
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jlarmour
parents:
diff changeset
440 // For node 0 (the root), this will overwrite the first pointer with itself
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jlarmour
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441 *last_p = np;
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jlarmour
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diff changeset
442 last_p = &np->next_in_rom;
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jlarmour
parents:
diff changeset
443 }
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jlarmour
parents:
diff changeset
444 }
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jlarmour
parents:
diff changeset
445
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jlarmour
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446 // Now add any child directories
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jlarmour
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diff changeset
447 for ( np = first ; np ; np = np->sibling ) {
171
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448 if ( IS_DIRECTORY( np->st_mode ) && np->child )
156
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449 AllocateSpaceToDirectories( np->child );
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jlarmour
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diff changeset
450 }
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jlarmour
parents:
diff changeset
451 }
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jlarmour
parents:
diff changeset
452
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jlarmour
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diff changeset
453 static void AllocateSpaceToDataFiles( node *first ) {
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jlarmour
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diff changeset
454 node *np;
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jlarmour
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diff changeset
455
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jlarmour
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diff changeset
456 // There are two loops below. It CAN be done in just one, but this re-orders
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jlarmour
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diff changeset
457 // the file positions in relation to their inode numbers. To keep it simple
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jlarmour
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diff changeset
458 // to check, allocation takes place in the first loop, recursion in the second
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jlarmour
parents:
diff changeset
459
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jlarmour
parents:
diff changeset
460 // Search for child data files
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jlarmour
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diff changeset
461 for ( np = first->child ; np ; np = np->sibling ) {
171
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462 if ( IS_DATAFILE( np->st_mode ) || IS_SYMLINK( np->st_mode ) ) {
156
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diff changeset
463 np->offset = coffset;
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jlarmour
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diff changeset
464 np->entry_size = ALIGN_TO( np->size, DATA_ALIGN );
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diff changeset
465 coffset += np->entry_size;
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jlarmour
parents:
diff changeset
466
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jlarmour
parents:
diff changeset
467 // Link in to the rom write order list
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jlarmour
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diff changeset
468 *last_p = np;
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jlarmour
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diff changeset
469 last_p = &np->next_in_rom;
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jlarmour
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diff changeset
470
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diff changeset
471 verb_printf( VERB_MAX, "\t\tnode %5d : 0x%06lX (+0x%05X)\n",
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jlarmour
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diff changeset
472 np->nodenum, np->offset, np->entry_size );
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jlarmour
parents:
diff changeset
473 }
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jlarmour
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diff changeset
474 }
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jlarmour
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diff changeset
475
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jlarmour
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diff changeset
476 // Recurse into sub-directories
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jlarmour
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diff changeset
477 for ( np = first->child ; np ; np = np->sibling ) {
171
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diff changeset
478 if ( IS_DIRECTORY( np->st_mode ) ) {
156
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diff changeset
479 AllocateSpaceToDataFiles( np );
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jlarmour
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diff changeset
480 }
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jlarmour
parents:
diff changeset
481 }
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jlarmour
parents:
diff changeset
482 }
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jlarmour
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diff changeset
483
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jlarmour
parents:
diff changeset
484 static void AllocateSpaceToExecutables( node *first ) {
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jlarmour
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diff changeset
485 node *np;
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jlarmour
parents:
diff changeset
486
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jlarmour
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diff changeset
487 // The first node is a directory. Don't bother with that...
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jlarmour
parents:
diff changeset
488
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jlarmour
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diff changeset
489 // Search for child executables
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jlarmour
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diff changeset
490 for ( np = first->child ; np ; np = np->sibling ) {
171
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diff changeset
491 if ( IS_EXECUTABLE( np->st_mode ) ) {
156
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diff changeset
492 np->offset = coffset;
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diff changeset
493 np->entry_size = ALIGN_TO( np->size, EXEC_ALIGN );
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diff changeset
494 coffset += np->entry_size;
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jlarmour
parents:
diff changeset
495
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jlarmour
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diff changeset
496 // Link in to the rom write order list
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jlarmour
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diff changeset
497 *last_p = np;
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jlarmour
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diff changeset
498 last_p = &np->next_in_rom;
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jlarmour
parents:
diff changeset
499
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jlarmour
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diff changeset
500 verb_printf( VERB_MAX, "\t\tnode %5d : 0x%06lX (+0x%05X)\n",
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jlarmour
parents:
diff changeset
501 np->nodenum, np->offset, np->entry_size );
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jlarmour
parents:
diff changeset
502 }
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jlarmour
parents:
diff changeset
503 }
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jlarmour
parents:
diff changeset
504
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jlarmour
parents:
diff changeset
505 // Recurse into sub-directories
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jlarmour
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diff changeset
506 for ( np = first->child ; np ; np = np->sibling ) {
171
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diff changeset
507 if ( IS_DIRECTORY( np->st_mode ) ) {
156
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jlarmour
parents:
diff changeset
508 AllocateSpaceToExecutables( np );
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jlarmour
parents:
diff changeset
509 }
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jlarmour
parents:
diff changeset
510 }
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jlarmour
parents:
diff changeset
511 }
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jlarmour
parents:
diff changeset
512
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jlarmour
parents:
diff changeset
513 static void WriteNode( int fd, node *np ) {
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jlarmour
parents:
diff changeset
514 romfs_node anode;
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jlarmour
parents:
diff changeset
515 char padhere[9];
2128
06a1f8221912 * support/mk_romfs.c: Use stdint.h defined types so the code is
asl
parents: 1104
diff changeset
516 outputlong( (unsigned char*) &anode.mode, ConvertMode( np->st_mode ) );
06a1f8221912 * support/mk_romfs.c: Use stdint.h defined types so the code is
asl
parents: 1104
diff changeset
517 outputlong( (unsigned char*) &anode.nlink, np->nlink );
06a1f8221912 * support/mk_romfs.c: Use stdint.h defined types so the code is
asl
parents: 1104
diff changeset
518 outputshort((unsigned char*) &anode.uid, np->uid );
06a1f8221912 * support/mk_romfs.c: Use stdint.h defined types so the code is
asl
parents: 1104
diff changeset
519 outputshort((unsigned char*) &anode.gid, np->gid );
06a1f8221912 * support/mk_romfs.c: Use stdint.h defined types so the code is
asl
parents: 1104
diff changeset
520 outputlong( (unsigned char*) &anode.size, np->size );
06a1f8221912 * support/mk_romfs.c: Use stdint.h defined types so the code is
asl
parents: 1104
diff changeset
521 outputlong( (unsigned char*) &anode.ctime, np->ctime );
06a1f8221912 * support/mk_romfs.c: Use stdint.h defined types so the code is
asl
parents: 1104
diff changeset
522 outputlong( (unsigned char*) &anode.data_offset, np->offset );
156
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parents:
diff changeset
523 sprintf( padhere, "<%6d>", np->nodenum );
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jlarmour
parents:
diff changeset
524 memcpy( anode.pad, padhere, 8 );
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jlarmour
parents:
diff changeset
525 if ( dowrite && write( fd, (void*)&anode, sizeof(anode) ) != sizeof(anode) )
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jlarmour
parents:
diff changeset
526 fatal_error(EXIT_WRITE, "Error writing node %d (%s): %s\n", np->nodenum, np->path, strerror(errno) );
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jlarmour
parents:
diff changeset
527 }
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jlarmour
parents:
diff changeset
528
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jlarmour
parents:
diff changeset
529 static int WriteNodeAndSiblings( int fd, int nodenum, node *first ) {
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jlarmour
parents:
diff changeset
530 node *np;
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jlarmour
parents:
diff changeset
531
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jlarmour
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diff changeset
532 for ( np = first ; np ; np = np->sibling ) {
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jlarmour
parents:
diff changeset
533 if ( np->nodenum != nodenum++ ) {
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jlarmour
parents:
diff changeset
534 fatal_error(EXIT_BUG, "BUG: Out of sequence node number; got %d, expected %d\n", np->nodenum, nodenum-1);
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jlarmour
parents:
diff changeset
535 }
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jlarmour
parents:
diff changeset
536 WriteNode( fd, np );
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jlarmour
parents:
diff changeset
537 }
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jlarmour
parents:
diff changeset
538
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jlarmour
parents:
diff changeset
539 for ( np = first ; np ; np = np->sibling ) {
171
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parents: 156
diff changeset
540 if ( IS_DIRECTORY( np->st_mode ) && np->child ) {
156
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jlarmour
parents:
diff changeset
541 nodenum = WriteNodeAndSiblings( fd, nodenum, np->child );
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jlarmour
parents:
diff changeset
542 }
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jlarmour
parents:
diff changeset
543 }
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jlarmour
parents:
diff changeset
544 return nodenum;
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jlarmour
parents:
diff changeset
545 }
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jlarmour
parents:
diff changeset
546
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jlarmour
parents:
diff changeset
547 static void WriteNodeTable( int fd ) {
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jlarmour
parents:
diff changeset
548 romfs_disk header;
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jlarmour
parents:
diff changeset
549 int wnodes;
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jlarmour
parents:
diff changeset
550
2128
06a1f8221912 * support/mk_romfs.c: Use stdint.h defined types so the code is
asl
parents: 1104
diff changeset
551 outputlong( (unsigned char*) &header.magic, ROMFS_MAGIC );
06a1f8221912 * support/mk_romfs.c: Use stdint.h defined types so the code is
asl
parents: 1104
diff changeset
552 outputlong( (unsigned char*) &header.nodecount, nodes );
06a1f8221912 * support/mk_romfs.c: Use stdint.h defined types so the code is
asl
parents: 1104
diff changeset
553 outputlong( (unsigned char*) &header.disksize, coffset );
06a1f8221912 * support/mk_romfs.c: Use stdint.h defined types so the code is
asl
parents: 1104
diff changeset
554 outputlong( (unsigned char*) &header.dev_id, 0x01020304 );
156
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jlarmour
parents:
diff changeset
555 strcpy( header.name, "ROMFS v1.0" );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
556 if ( dowrite && write( fd, (void*)&header, sizeof(header) ) != sizeof(header) )
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
557 fatal_error(EXIT_WRITE, "Error writing ROMFS header: %s\n", strerror(errno) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
558
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
559 if ( (wnodes = WriteNodeAndSiblings( fd, 0, first )) != nodes ) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
560 fatal_error(EXIT_BUG, "BUG: Lost/gained some nodes; wrote %d, expected %d\n", wnodes, nodes );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
561 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
562 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
563
191
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST
jlarmour
parents: 172
diff changeset
564 #ifndef O_BINARY
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST
jlarmour
parents: 172
diff changeset
565 #define O_BINARY 0
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST
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parents: 172
diff changeset
566 #endif
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST
jlarmour
parents: 172
diff changeset
567
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
568 static void WriteData( int fd, node *np ) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
569 char newpath[1024];
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
570 int ffd;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
571 unsigned long todo;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
572
171
42f843b391aa Merge from eCos master repository on 2001-07-18-03:13:25-BST
jlarmour
parents: 156
diff changeset
573 if ( IS_SYMLINK( np->st_mode ) ) {
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
574 if ( (ffd = readlink( np->path, newpath, sizeof(newpath) )) < 0 )
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
575 fatal_error(EXIT_FILESYS, "Error reading symlink \"%s\": %s\n", np->path, strerror(errno) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
576
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
577 if ( !dowrite ) return;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
578
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
579 if ( lseek( fd, np->offset, SEEK_SET ) != np->offset )
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
580 fatal_error(EXIT_SEEK, "Error seeking to offset 0x%lX: %s\n", np->offset, strerror(errno) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
581
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
582 if ( write( fd, newpath, ffd ) != ffd )
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
583 fatal_error(EXIT_WRITE, "Write error: %s\n", strerror(errno) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
584
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jlarmour
parents:
diff changeset
585 return;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
586 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
587
191
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parents: 172
diff changeset
588 if ( (ffd=open(np->path, O_RDONLY | O_BINARY )) < 0 )
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
589 fatal_error(EXIT_FILESYS, "Error opening \"%s\": %s\n", np->path, strerror(errno) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
590
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
591 if ( dowrite && lseek( fd, np->offset, SEEK_SET ) != np->offset )
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
592 fatal_error(EXIT_SEEK, "Error seeking to offset 0x%lX: %s\n", np->offset, strerror(errno) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
593
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
594 todo = np->size;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
595 while ( todo >= 1024 ) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
596 if ( read( ffd, newpath, 1024 ) != 1024 )
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
597 fatal_error(EXIT_FILESYS, "Error reading file \"%s\" at offset 0x%lX: %s\n", np->path, np->size - todo, strerror(errno) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
598 if ( dowrite && write( fd, newpath, 1024 ) != 1024 )
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
599 fatal_error(EXIT_WRITE, "Write error: %s\n", strerror(errno) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
600 todo -= 1024;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
601 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
602
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
603 if ( todo ) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
604 if ( read( ffd, newpath, todo ) != todo )
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
605 fatal_error(EXIT_FILESYS, "Error reading file \"%s\" at offset 0x%lX: %s\n", np->path, np->size - todo, strerror(errno) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
606 if ( dowrite && write( fd, newpath, todo ) != todo )
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
607 fatal_error(EXIT_WRITE, "Write error: %s\n", strerror(errno) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
608 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
609
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
610 close(ffd);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
611
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
612 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
613
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
614 static void WriteDataBlocks( int fd, node *first ) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
615 for ( ; first ; first = first->next_in_rom ) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
616 if ( dowrite && lseek( fd, first->offset, SEEK_SET ) != first->offset )
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
617 fatal_error(EXIT_SEEK, "Error seeking to offset 0x%lX: %s\n", first->offset, strerror(errno) );
171
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parents: 156
diff changeset
618 if ( IS_DIRECTORY( first->st_mode ) ) {
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
619 if ( dowrite && write( fd, first->entry, first->size ) != first->size )
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
620 fatal_error(EXIT_WRITE, "Write error: %s\n", strerror(errno) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
621 } else {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
622 WriteData( fd, first );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
623 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
624 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
625 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
626
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
627 static void usage(void) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
628 fprintf(stderr,"\n%s - Create an eCos ROMFS disk image from the files\n",prog);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
629 fprintf(stderr,"%*s contained under a specified directory\n\n", strlen(prog), "");
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
630 fprintf(stderr,"Usage: %s [options] <fs_root> <fs_file>\n", prog);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
631 fprintf(stderr," fs_root is the directory containing the files to package into the ROMFS image\n");
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
632 fprintf(stderr," fs_file is the name of the ROMFS image file to create\n");
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
633 fprintf(stderr," Options include:\n");
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
634 fprintf(stderr," -v / -q increase / decrease verbosity\n");
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
635 fprintf(stderr," -n do everything EXCEPT creating the output file\n");
172
cd45958b28ff Merge from eCos master repository on 2001-07-20-10:24:43-BST
jlarmour
parents: 171
diff changeset
636 fprintf(stderr," -b write a big-endian image (default is little endian)\n");
156
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jlarmour
parents:
diff changeset
637 fprintf(stderr," -l collapse hard links to a single node\n");
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
638 fprintf(stderr,"\n");
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
639 exit(EXIT_ARGS);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
640 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
641
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
642 int main(int ac, char *av[]) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
643 int dummy;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
644
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
645 prog = av[0];
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
646
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
647 // Check structure sizes
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
648 if (sizeof(romfs_node) != 32) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
649 fatal_error(EXIT_COMPILE , "Size of romfs_node is %d, NOT 32\n", sizeof(romfs_node) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
650 } else if (sizeof(romfs_dirent) != 8) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
651 fatal_error(EXIT_COMPILE , "Size of romfs_dirent is %d, NOT 8\n", sizeof(romfs_dirent) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
652 } else if (sizeof(romfs_disk) != 32) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
653 fatal_error(EXIT_COMPILE , "Size of romfs_disk is %d, NOT 32\n", sizeof(romfs_disk) );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
654 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
655
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
656 // Parse option arguments
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
657 while ( ac > 1 && av[1][0] == '-' ) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
658 char *o = &av[1][1];
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
659 for ( ; *o ; o++ ) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
660 switch ( *o ) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
661 case 'q' :
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
662 verbose--;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
663 break;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
664 case 'v' :
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
665 verbose++;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
666 break;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
667 case 'n' :
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
668 dowrite = 0;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
669 break;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
670 case 'b' :
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
671 bigendian = 1;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
672 break;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
673 case 'l' :
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
674 hardlinks = 1;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
675 break;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
676 default :
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
677 fprintf(stderr,"%s: Invalid flag -%c\n", prog, *o );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
678 usage();
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
679 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
680 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
681 av++; ac--;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
682 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
683
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
684 // Check remaining arguments
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
685 if ( ac != 3 ) usage();
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
686
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
687
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
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688 verb_printf( VERB_MINIMUM, "%s: Verbosity %d %s%s endian\n",
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689 prog, verbose,
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690 dowrite ? "" : "no write, ",
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691 bigendian ? "big" : "little" );
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692
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693 // Phase 1. Recursively scan the root directory for files and directories.
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694 verb_printf(VERB_MINIMUM, "Phase 1 - Build file list\n");
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695
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696 first = GetNodeInfo( av[1], ".", &dummy ); // Initialize the root node entry.
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697 ScanDirectory( first, 0 );
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698
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699 // Phase 2. Work out space allocations for filesystem
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700 verb_printf(VERB_MINIMUM, "Phase 2 - Calculate space allocation\n");
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701 coffset = sizeof(romfs_disk) + nodes * sizeof(romfs_node);
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702 verb_printf(VERB_MAX,"\t\tnode table : 0x000000 (+0x%05lX) %d nodes\n", coffset, nodes );
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703
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704 // Phase 2a. Work out space allocations for the directories of the filesystem
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705 verb_printf(VERB_SUB,"Phase 2a - * Directories\n");
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706 coffset = ALIGN_TO( coffset, DIRECTORY_ALIGN );
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707 AllocateSpaceToDirectories( first );
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708
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709 // Phase 2b. Work out space allocations for the data files of the filesystem
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710 verb_printf(VERB_SUB,"Phase 2b - * Regular files\n");
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711 coffset = ALIGN_TO( coffset, DATA_ALIGN );
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712 AllocateSpaceToDataFiles( first );
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713
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714 // Phase 2c. Work out space allocations for the executable files of the filesystem
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715 verb_printf(VERB_SUB,"Phase 2c - * Executable files\n");
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716 coffset = ALIGN_TO( coffset, EXEC_ALIGN );
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717 AllocateSpaceToExecutables( first );
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718
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719 // Round off the image size...
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720 coffset = ALIGN_TO( coffset, EXEC_ALIGN );
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721
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722 // Phase 3. Write out the image file
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723 verb_printf(VERB_MINIMUM, "Phase 3 - Construct ROMFS image file (%ld kb)\n", ALIGN_TO( coffset, 1024 )/1024);
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724
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725 if ( dowrite ) {
208
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726 if ( (fd = open( av[2], O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, 0666 )) < 0 ) {
156
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727 fatal_error(EXIT_WRITE,"Failed to open output file '%s', errno=%d\n", av[2], errno );
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728 }
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729 } else {
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730 verb_printf(VERB_NONE," (No image is being written)\n");
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731 }
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732
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733 verb_printf(VERB_SUB,"Phase 3a - * Node table\n");
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734 WriteNodeTable( fd );
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735
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736 verb_printf(VERB_SUB,"Phase 3b - * Data blocks\n");
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737 WriteDataBlocks( fd, first );
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738
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739 if ( fd >= 0 ) close(fd);
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740
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741 verb_printf(VERB_MINIMUM, "%s completed\n", av[2] );
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742
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743 return 0;
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744 }