new file mode 100644
--- /dev/null
+++ b/direct/Makefile
@@ -0,0 +1,45 @@
+# Makefile for YAFFS direct test
+#
+# Copyright (C) 2003 Aleph One Ltd.
+#
+# Created by Charles Manning <charles@aleph1.co.uk>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# NB Warning this Makefile does not include header dependencies.
+#
+# $Id$
+
+CFLAGS =    -Wall -DCONFIG_YAFFS_DIRECT -DCONFIG_YAFFS_SHORT_NAMES_IN_RAM -DYAFFS2_DEFINES -g
+#CFLAGS+=   -Wshadow -Wpointer-arith -Wwrite-strings -Wstrict-prototypes -Wmissing-declarations
+#CFLAGS+=   -Wmissing-prototypes -Wredundant-decls -Wnested-externs -Winline
+
+
+DIRECTTESTOBJS = dtest.o yaffs_ecc.o yaffscfg.o yaffsfs.o yaffs_ramdisk.o yaffs_guts.o yaffs_fileem.o yaffs_packedtags.o yaffs_tagscompat.o
+
+BOOTTESTOBJS = bootldtst.o yboot.o yaffs_fileem.o nand_ecc.o
+
+ALLOBJS =  dtest.o nand_ecc.o yaffscfg.o yaffs_fileem.o yaffsfs.o yaffs_ramdisk.o bootldtst.o yboot.o 
+
+SYMLINKS = devextras.h yaffs_ecc.c yaffs_ecc.h yaffs_guts.c yaffs_guts.h yaffsinterface.h yportenv.h yaffs_tagscompat.c yaffs_tagscompat.h
+
+all: directtest boottest
+
+$(ALLOBJS): %.o: %.c
+	gcc -c $(CFLAGS) $< -o $@
+
+$(SYMLINKS):
+	ln -s ../$@ $@
+
+directtest: $(SYMLINKS) $(DIRECTTESTOBJS)
+	gcc -o $@ $(DIRECTTESTOBJS)
+
+
+boottest: $(SYMLINKS) $(BOOTTESTOBJS)
+	gcc -o $@ $(BOOTTESTOBJS)
+
+
+clean:
+	rm -f $(ALLOBJS) core

new file mode 100644
--- /dev/null
+++ b/direct/dtest.c
@@ -0,0 +1,1334 @@
+/*
+* Test code for the "direct" interface. 
+*/
+
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "yaffsfs.h"
+
+void dumpDir(const char *dname);
+
+char xx[600];
+
+void copy_in_a_file(char *yaffsName,char *inName)
+{
+	int inh,outh;
+	unsigned char buffer[100];
+	int ni,no;
+	inh = open(inName,O_RDONLY);
+	outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+	
+	while((ni = read(inh,buffer,100)) > 0)
+	{
+		no = yaffs_write(outh,buffer,ni);
+		if(ni != no)
+		{
+			printf("problem writing yaffs file\n");
+		}
+		
+	}
+	
+	yaffs_close(outh);
+	close(inh);
+}
+
+void make_a_file(char *yaffsName,char bval,int sizeOfFile)
+{
+	int outh;
+	int i;
+	unsigned char buffer[100];
+
+	outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+	
+	memset(buffer,bval,100);
+	
+	do{
+		i = sizeOfFile;
+		if(i > 100) i = 100;
+		sizeOfFile -= i;
+		
+		yaffs_write(outh,buffer,i);
+		
+	} while (sizeOfFile > 0);
+	
+		
+	yaffs_close(outh);
+
+}
+
+void make_pattern_file(char *fn,int size)
+{
+	int outh;
+	int marker;
+	int i;
+	outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+	yaffs_lseek(outh,size-1,SEEK_SET);
+	yaffs_write(outh,"A",1);
+	
+	for(i = 0; i < size; i+=256)
+	{
+		marker = ~i;
+		yaffs_lseek(outh,i,SEEK_SET);
+		yaffs_write(outh,&marker,sizeof(marker));
+	}
+	yaffs_close(outh);
+	
+}
+
+int check_pattern_file(char *fn)
+{
+	int h;
+	int marker;
+	int i;
+	int size;
+	int ok = 1;
+	
+	h = yaffs_open(fn, O_RDWR,0);
+	size = yaffs_lseek(h,0,SEEK_END);
+		
+	for(i = 0; i < size && ok; i+=256)
+	{
+		yaffs_lseek(h,i,SEEK_SET);
+		yaffs_read(h,&marker,sizeof(marker));
+		ok = (marker == ~i);
+		if(!ok)
+		{
+		   printf("pattern check failed on file %s, size %d at position %d. Got %x instead of %x\n",
+					fn,size,i,marker,~i);
+		}
+	}
+	yaffs_close(h);
+	return ok;
+}
+
+
+
+void dump_file(const char *fn)
+{
+	int i;
+	int size;
+	int h;
+	
+	h = yaffs_open(fn,O_RDONLY,0);
+	if(h < 0)
+	{
+		printf("*****\nDump file %s does not exist\n",fn);
+	}
+	else
+	{
+		size = yaffs_lseek(h,0,SEEK_SET);
+		printf("*****\nDump file %s size %d\n",fn,size);
+		for(i = 0; i < size; i++)
+		{
+			
+		}
+	}
+}
+
+void short_scan_test(const char *path, int fsize, int niterations)
+{
+	int i;
+	char fn[100];
+	
+	sprintf(fn,"%s/%s",path,"f1");
+	
+	yaffs_StartUp();
+	for(i = 0; i < niterations; i++)
+	{
+		printf("\n*****************\nIteration %d\n",i);
+		yaffs_mount(path);
+		printf("\nmount: Directory look-up of %s\n",path);
+		dumpDir(path);
+		make_a_file(fn,1,fsize);
+		yaffs_unmount(path);
+	}
+}
+
+void scan_pattern_test(const char *path, int fsize, int niterations)
+{
+	int i;
+	int j;
+	char fn[3][100];
+	int result;
+	
+	sprintf(fn[0],"%s/%s",path,"f0");
+	sprintf(fn[1],"%s/%s",path,"f1");
+	sprintf(fn[2],"%s/%s",path,"f2");
+	
+	yaffs_StartUp();
+	
+	for(i = 0; i < niterations; i++)
+	{
+		printf("\n*****************\nIteration %d\n",i);
+		yaffs_mount(path);
+		printf("\nmount: Directory look-up of %s\n",path);
+		dumpDir(path);
+		for(j = 0; j < 3; j++)
+		{
+			result = check_pattern_file(fn[j]);
+			make_pattern_file(fn[j],fsize); 
+			result = check_pattern_file(fn[j]);
+		}
+		yaffs_unmount(path);
+	}
+}
+
+void fill_disk(char *path,int nfiles)
+{
+	int h;
+	int n;
+	int result;
+	int f;
+	
+	char str[50];
+	
+	for(n = 0; n < nfiles; n++)
+	{
+		sprintf(str,"%s/%d",path,n);
+		
+		h = yaffs_open(str, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+		
+		printf("writing file %s handle %d ",str, h);
+		
+		while ((result = yaffs_write(h,xx,600)) == 600)
+		{
+			f = yaffs_freespace("/boot");
+		}
+		result = yaffs_close(h);
+		printf(" close %d\n",result);
+	}
+}
+
+void fill_disk_and_delete(char *path, int nfiles, int ncycles)
+{
+	int i,j;
+	char str[50];
+	int result;
+	
+	for(i = 0; i < ncycles; i++)
+	{
+		printf("@@@@@@@@@@@@@@ cycle %d\n",i);
+		fill_disk(path,nfiles);
+		
+		for(j = 0; j < nfiles; j++)
+		{
+			sprintf(str,"%s/%d",path,j);
+			result = yaffs_unlink(str);
+			printf("unlinking file %s, result %d\n",str,result);
+		}
+	}
+}
+
+
+void fill_files(char *path,int flags, int maxIterations,int siz)
+{
+	int i;
+	int j;
+	char str[50];
+	int h;
+	
+	i = 0;
+	
+	do{
+		sprintf(str,"%s/%d",path,i);
+		h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE);
+		yaffs_close(h);
+
+		if(h >= 0)
+		{
+			for(j = 0; j < siz; j++)
+			{
+				yaffs_write(h,str,1);
+			}
+		}
+		
+		if( flags & 1)
+		{
+			yaffs_unlink(str);
+		}
+		i++;
+	} while(h >= 0 && i < maxIterations);
+	
+	if(flags & 2)
+	{
+		i = 0;
+		do{
+			sprintf(str,"%s/%d",path,i);
+			printf("unlink %s\n",str);
+			i++;
+		} while(yaffs_unlink(str) >= 0);
+	}
+}
+
+void leave_unlinked_file(char *path,int maxIterations,int siz)
+{
+	int i;
+	char str[50];
+	int h;
+	
+	i = 0;
+	
+	do{
+		sprintf(str,"%s/%d",path,i);
+		printf("create %s\n",str);
+		h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE);
+		if(h >= 0)
+		{
+			yaffs_unlink(str);
+		}
+		i++;
+	} while(h < 0 && i < maxIterations);
+	
+	if(h >= 0)
+	{
+		for(i = 0; i < siz; i++)
+		{
+			yaffs_write(h,str,1);
+		}
+	}
+	
+	printf("Leaving file %s open\n",str);
+
+}
+
+void dumpDirFollow(const char *dname)
+{
+	yaffs_DIR *d;
+	yaffs_dirent *de;
+	struct yaffs_stat s;
+	char str[100];
+			
+	d = yaffs_opendir(dname);
+	
+	if(!d)
+	{
+		printf("opendir failed\n");
+	}
+	else
+	{
+		while((de = yaffs_readdir(d)) != NULL)
+		{
+			sprintf(str,"%s/%s",dname,de->d_name);
+			
+			yaffs_stat(str,&s);
+			
+			printf("%s length %d mode %X ",de->d_name,(int)s.st_size,s.st_mode);
+			switch(s.st_mode & S_IFMT)
+			{
+				case S_IFREG: printf("data file"); break;
+				case S_IFDIR: printf("directory"); break;
+				case S_IFLNK: printf("symlink -->");
+							  if(yaffs_readlink(str,str,100) < 0)
+								printf("no alias");
+							  else
+								printf("\"%s\"",str);    
+							  break;
+				default: printf("unknown"); break;
+			}
+			
+			printf("\n");           
+		}
+		
+		yaffs_closedir(d);
+	}
+	printf("\n");
+	
+	printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
+
+}
+
+
+void dumpDir(const char *dname)
+{
+	yaffs_DIR *d;
+	yaffs_dirent *de;
+	struct yaffs_stat s;
+	char str[100];
+			
+	d = yaffs_opendir(dname);
+	
+	if(!d)
+	{
+		printf("opendir failed\n");
+	}
+	else
+	{
+		while((de = yaffs_readdir(d)) != NULL)
+		{
+			sprintf(str,"%s/%s",dname,de->d_name);
+			
+			yaffs_lstat(str,&s);
+			
+			printf("%s length %d mode %X ",de->d_name,(int)s.st_size,s.st_mode);
+			switch(s.st_mode & S_IFMT)
+			{
+				case S_IFREG: printf("data file"); break;
+				case S_IFDIR: printf("directory"); break;
+				case S_IFLNK: printf("symlink -->");
+							  if(yaffs_readlink(str,str,100) < 0)
+								printf("no alias");
+							  else
+								printf("\"%s\"",str);    
+							  break;
+				default: printf("unknown"); break;
+			}
+			
+			printf("\n");           
+		}
+		
+		yaffs_closedir(d);
+	}
+	printf("\n");
+	
+	printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
+
+}
+
+
+static void PermissionsCheck(const char *path, mode_t tmode, int tflags,int expectedResult)
+{
+	int fd;
+	
+	if(yaffs_chmod(path,tmode)< 0) printf("chmod failed\n");
+	
+	fd = yaffs_open(path,tflags,0);
+	
+	if((fd >= 0) != (expectedResult > 0))
+	{
+		printf("Permissions check %x %x %d failed\n",tmode,tflags,expectedResult);
+	}
+	else
+	{
+		printf("Permissions check %x %x %d OK\n",tmode,tflags,expectedResult);
+	}
+	
+	
+	yaffs_close(fd);
+	
+	
+}
+
+int long_test(int argc, char *argv[])
+{
+
+	int f;
+	int r;
+	char buffer[20];
+	
+	char str[100];
+	
+	int h;
+	mode_t temp_mode;
+	struct yaffs_stat ystat;
+	
+	yaffs_StartUp();
+	
+	yaffs_mount("/boot");
+	yaffs_mount("/data");
+	yaffs_mount("/flash");
+	yaffs_mount("/ram");
+	
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	printf("\nDirectory look-up of /data\n");
+	dumpDir("/data");
+	printf("\nDirectory look-up of /flash\n");
+	dumpDir("/flash");
+
+	//leave_unlinked_file("/flash",20000,0);
+	//leave_unlinked_file("/data",20000,0);
+	
+	leave_unlinked_file("/ram",20,0);
+	
+
+	f = yaffs_open("/boot/b1", O_RDONLY,0);
+	
+	printf("open /boot/b1 readonly, f=%d\n",f);
+	
+	f = yaffs_open("/boot/b1", O_CREAT,S_IREAD | S_IWRITE);
+	
+	printf("open /boot/b1 O_CREAT, f=%d\n",f);
+	
+	
+	r = yaffs_write(f,"hello",1);
+	printf("write %d attempted to write to a read-only file\n",r);
+	
+	r = yaffs_close(f);
+	
+	printf("close %d\n",r);
+
+	f = yaffs_open("/boot/b1", O_RDWR,0);
+	
+	printf("open /boot/b1 O_RDWR,f=%d\n",f);
+	
+	
+	r = yaffs_write(f,"hello",2);
+	printf("write %d attempted to write to a writeable file\n",r);
+	r = yaffs_write(f,"world",3);
+	printf("write %d attempted to write to a writeable file\n",r);
+	
+	r= yaffs_lseek(f,0,SEEK_END);
+	printf("seek end %d\n",r);
+	memset(buffer,0,20);
+	r = yaffs_read(f,buffer,10);
+	printf("read %d \"%s\"\n",r,buffer);
+	r= yaffs_lseek(f,0,SEEK_SET);
+	printf("seek set %d\n",r);
+	memset(buffer,0,20);
+	r = yaffs_read(f,buffer,10);
+	printf("read %d \"%s\"\n",r,buffer);
+	memset(buffer,0,20);
+	r = yaffs_read(f,buffer,10);
+	printf("read %d \"%s\"\n",r,buffer);
+
+	// Check values reading at end.
+	// A read past end of file should return 0 for 0 bytes read.
+		
+	r= yaffs_lseek(f,0,SEEK_END);
+	r = yaffs_read(f,buffer,10);
+	printf("read at end returned  %d\n",r); 
+	r= yaffs_lseek(f,500,SEEK_END);
+	r = yaffs_read(f,buffer,10);
+	printf("read past end returned  %d\n",r);       
+	
+	r = yaffs_close(f);
+	
+	printf("close %d\n",r);
+	
+	copy_in_a_file("/boot/yyfile","xxx");
+	
+	// Create a file with a long name
+	
+	copy_in_a_file("/boot/file with a long name","xxx");
+	
+	
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+
+	// Check stat
+	r = yaffs_stat("/boot/file with a long name",&ystat);
+	
+	// Check rename
+	
+	r = yaffs_rename("/boot/file with a long name","/boot/r1");
+	
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	
+	// Check unlink
+	r = yaffs_unlink("/boot/r1");
+	
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+
+	// Check mkdir
+	
+	r = yaffs_mkdir("/boot/directory1",0);
+	
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	printf("\nDirectory look-up of /boot/directory1\n");
+	dumpDir("/boot/directory1");
+
+	// add a file to the directory                  
+	copy_in_a_file("/boot/directory1/file with a long name","xxx");
+	
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	printf("\nDirectory look-up of /boot/directory1\n");
+	dumpDir("/boot/directory1");
+	
+	//  Attempt to delete directory (should fail)
+	
+	r = yaffs_rmdir("/boot/directory1");
+	
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	printf("\nDirectory look-up of /boot/directory1\n");
+	dumpDir("/boot/directory1");
+	
+	// Delete file first, then rmdir should work
+	r = yaffs_unlink("/boot/directory1/file with a long name");
+	r = yaffs_rmdir("/boot/directory1");
+	
+	
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	printf("\nDirectory look-up of /boot/directory1\n");
+	dumpDir("/boot/directory1");
+
+#if 0
+	fill_disk_and_delete("/boot",20,20);
+			
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+#endif
+
+	yaffs_symlink("yyfile","/boot/slink");
+	
+	yaffs_readlink("/boot/slink",str,100);
+	printf("symlink alias is %s\n",str);
+	
+	
+	
+	
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	printf("\nDirectory look-up of /boot (using stat instead of lstat)\n");
+	dumpDirFollow("/boot");
+	printf("\nDirectory look-up of /boot/directory1\n");
+	dumpDir("/boot/directory1");
+
+	h = yaffs_open("/boot/slink",O_RDWR,0);
+	
+	printf("file length is %d\n",(int)yaffs_lseek(h,0,SEEK_END));
+	
+	yaffs_close(h);
+	
+	yaffs_unlink("/boot/slink");
+
+	
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	
+	// Check chmod
+	
+	yaffs_stat("/boot/yyfile",&ystat);
+	temp_mode = ystat.st_mode;
+	
+	yaffs_chmod("/boot/yyfile",0x55555);
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	
+	yaffs_chmod("/boot/yyfile",temp_mode);
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	
+	// Permission checks...
+	PermissionsCheck("/boot/yyfile",0, O_WRONLY,0);
+	PermissionsCheck("/boot/yyfile",0, O_RDONLY,0);
+	PermissionsCheck("/boot/yyfile",0, O_RDWR,0);
+
+	PermissionsCheck("/boot/yyfile",S_IREAD, O_WRONLY,0);
+	PermissionsCheck("/boot/yyfile",S_IREAD, O_RDONLY,1);
+	PermissionsCheck("/boot/yyfile",S_IREAD, O_RDWR,0);
+
+	PermissionsCheck("/boot/yyfile",S_IWRITE, O_WRONLY,1);
+	PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDONLY,0);
+	PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDWR,0);
+	
+	PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_WRONLY,1);
+	PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDONLY,1);
+	PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDWR,1);
+
+	yaffs_chmod("/boot/yyfile",temp_mode);
+	
+	//create a zero-length file and unlink it (test for scan bug)
+	
+	h = yaffs_open("/boot/zlf",O_CREAT | O_TRUNC | O_RDWR,0);
+	yaffs_close(h);
+	
+	yaffs_unlink("/boot/zlf");
+	
+	
+	yaffs_DumpDevStruct("/boot");
+	
+	fill_disk_and_delete("/boot",20,20);
+	
+	yaffs_DumpDevStruct("/boot");
+	
+	fill_files("/boot",1,10000,0);
+	fill_files("/boot",1,10000,5000);
+	fill_files("/boot",2,10000,0);
+	fill_files("/boot",2,10000,5000);
+	
+	leave_unlinked_file("/data",20000,0);
+	leave_unlinked_file("/data",20000,5000);
+	leave_unlinked_file("/data",20000,5000);
+	leave_unlinked_file("/data",20000,5000);
+	leave_unlinked_file("/data",20000,5000);
+	leave_unlinked_file("/data",20000,5000);
+	
+	yaffs_DumpDevStruct("/boot");
+	yaffs_DumpDevStruct("/data");
+	
+		
+		
+	return 0;
+
+}
+
+int long_test_on_path(char *path)
+{
+
+	int f;
+	int r;
+	char buffer[20];
+	
+	char str[100];
+	char name[100];
+	char name2[100];
+	
+	int h;
+	mode_t temp_mode;
+	struct yaffs_stat ystat;
+	
+	yaffs_StartUp();
+	
+	yaffs_mount(path);
+	
+	printf("\nDirectory look-up of %s\n",path);
+	dumpDir(path);
+
+	//leave_unlinked_file("/flash",20000,0);
+	//leave_unlinked_file("/data",20000,0);
+	
+	leave_unlinked_file(path,20,0);
+	
+
+	sprintf(name,"%s/%s",path,"b1");
+	f = yaffs_open(name, O_RDONLY,0);
+	
+	printf("open %s readonly, f=%d\n",name,f);
+	
+	f = yaffs_open(name, O_CREAT,S_IREAD | S_IWRITE);
+	
+	printf("open %s O_CREAT, f=%d\n",name,f);
+	
+	
+	r = yaffs_write(f,"hello",1);
+	printf("write %d attempted to write to a read-only file\n",r);
+	
+	r = yaffs_close(f);
+	
+	printf("close %d\n",r);
+
+	f = yaffs_open(name, O_RDWR,0);
+	
+	printf("open %s O_RDWR,f=%d\n",name,f);
+	
+	
+	r = yaffs_write(f,"hello",2);
+	printf("write %d attempted to write to a writeable file\n",r);
+	r = yaffs_write(f,"world",3);
+	printf("write %d attempted to write to a writeable file\n",r);
+	
+	r= yaffs_lseek(f,0,SEEK_END);
+	printf("seek end %d\n",r);
+	memset(buffer,0,20);
+	r = yaffs_read(f,buffer,10);
+	printf("read %d \"%s\"\n",r,buffer);
+	r= yaffs_lseek(f,0,SEEK_SET);
+	printf("seek set %d\n",r);
+	memset(buffer,0,20);
+	r = yaffs_read(f,buffer,10);
+	printf("read %d \"%s\"\n",r,buffer);
+	memset(buffer,0,20);
+	r = yaffs_read(f,buffer,10);
+	printf("read %d \"%s\"\n",r,buffer);
+
+	// Check values reading at end.
+	// A read past end of file should return 0 for 0 bytes read.
+		
+	r= yaffs_lseek(f,0,SEEK_END);
+	r = yaffs_read(f,buffer,10);
+	printf("read at end returned  %d\n",r); 
+	r= yaffs_lseek(f,500,SEEK_END);
+	r = yaffs_read(f,buffer,10);
+	printf("read past end returned  %d\n",r);       
+	
+	r = yaffs_close(f);
+	
+	printf("close %d\n",r);
+	
+	sprintf(name,"%s/%s",path,"yyfile");
+	copy_in_a_file(name,"xxx");
+	
+	// Create a file with a long name
+	sprintf(name,"%s/%s",path,"file with a long name");
+	copy_in_a_file(name,"xxx");
+	
+	
+	printf("\nDirectory look-up of %s\n",path);
+	dumpDir(path);
+
+	// Check stat
+	r = yaffs_stat(name,&ystat);
+	
+	// Check rename
+	sprintf(name2,"%s/%s",path,"r1");
+	r = yaffs_rename(name,name2);
+	
+	printf("\nDirectory look-up of %s\n",path);
+	dumpDir(path);
+	
+	// Check unlink
+	r = yaffs_unlink(name2);
+	
+	
+	printf("\nDirectory look-up of %s\n",path);
+	dumpDir(path);
+
+	// Check mkdir
+
+	sprintf(name,"%s/%s",path,"directory1");        
+	r = yaffs_mkdir(name,0);
+	
+	
+	printf("\nDirectory look-up of %s\n",path);
+	dumpDir(path);
+	printf("\nDirectory look-up of %s\n",name);
+	dumpDir(name);
+
+	// add a file to the directory                  
+	sprintf(name2,"%s/%s",name,"/file in dir with a long name");
+	copy_in_a_file(name2,"xxx");
+	
+	
+	printf("\nDirectory look-up of %s\n",path);
+	dumpDir(path);
+	printf("\nDirectory look-up of %s\n",name);
+	dumpDir(name);
+	
+	//  Attempt to delete directory (should fail)
+	
+	r = yaffs_rmdir(name);
+	
+	printf("\nDirectory look-up of %s\n",path);
+	dumpDir(path);
+	printf("\nDirectory look-up of %s\n",name);
+	dumpDir(name);
+
+	yaffs_unmount(path);
+
+	return 0;       
+	// Delete file first, then rmdir should work
+	r = yaffs_unlink(name2);
+	r = yaffs_rmdir(name);
+	
+	printf("\nDirectory look-up of %s\n",path);
+	dumpDir(path);
+	printf("\nDirectory look-up of %s\n",name);
+	dumpDir(name);
+
+#if 0
+	fill_disk_and_delete(path,20,20);
+	
+	printf("\nDirectory look-up of %s\n",path);
+	dumpDir(path);
+#endif
+
+	yaffs_unmount(path);
+
+	return 0;
+
+	yaffs_symlink("yyfile","/boot/slink");
+	
+	yaffs_readlink("/boot/slink",str,100);
+	printf("symlink alias is %s\n",str);
+	
+	
+	
+	
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	printf("\nDirectory look-up of /boot (using stat instead of lstat)\n");
+	dumpDirFollow("/boot");
+	printf("\nDirectory look-up of /boot/directory1\n");
+	dumpDir("/boot/directory1");
+
+	h = yaffs_open("/boot/slink",O_RDWR,0);
+	
+	printf("file length is %d\n",yaffs_lseek(h,0,SEEK_END));
+	
+	yaffs_close(h);
+	
+	yaffs_unlink("/boot/slink");
+
+	
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	
+	// Check chmod
+	
+	yaffs_stat("/boot/yyfile",&ystat);
+	temp_mode = ystat.st_mode;
+	
+	yaffs_chmod("/boot/yyfile",0x55555);
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	
+	yaffs_chmod("/boot/yyfile",temp_mode);
+	printf("\nDirectory look-up of /boot\n");
+	dumpDir("/boot");
+	
+	// Permission checks...
+	PermissionsCheck("/boot/yyfile",0, O_WRONLY,0);
+	PermissionsCheck("/boot/yyfile",0, O_RDONLY,0);
+	PermissionsCheck("/boot/yyfile",0, O_RDWR,0);
+
+	PermissionsCheck("/boot/yyfile",S_IREAD, O_WRONLY,0);
+	PermissionsCheck("/boot/yyfile",S_IREAD, O_RDONLY,1);
+	PermissionsCheck("/boot/yyfile",S_IREAD, O_RDWR,0);
+
+	PermissionsCheck("/boot/yyfile",S_IWRITE, O_WRONLY,1);
+	PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDONLY,0);
+	PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDWR,0);
+	
+	PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_WRONLY,1);
+	PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDONLY,1);
+	PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDWR,1);
+
+	yaffs_chmod("/boot/yyfile",temp_mode);
+	
+	//create a zero-length file and unlink it (test for scan bug)
+	
+	h = yaffs_open("/boot/zlf",O_CREAT | O_TRUNC | O_RDWR,0);
+	yaffs_close(h);
+	
+	yaffs_unlink("/boot/zlf");
+	
+	
+	yaffs_DumpDevStruct("/boot");
+	
+	fill_disk_and_delete("/boot",20,20);
+	
+	yaffs_DumpDevStruct("/boot");
+	
+	fill_files("/boot",1,10000,0);
+	fill_files("/boot",1,10000,5000);
+	fill_files("/boot",2,10000,0);
+	fill_files("/boot",2,10000,5000);
+	
+	leave_unlinked_file("/data",20000,0);
+	leave_unlinked_file("/data",20000,5000);
+	leave_unlinked_file("/data",20000,5000);
+	leave_unlinked_file("/data",20000,5000);
+	leave_unlinked_file("/data",20000,5000);
+	leave_unlinked_file("/data",20000,5000);
+	
+	yaffs_DumpDevStruct("/boot");
+	yaffs_DumpDevStruct("/data");
+	
+
+	return 0;
+
+}
+
+int yaffs_scan_test(const char *path)
+{
+}
+
+
+
+int resize_stress_test(const char *path)
+{
+   int a,b,i,j;
+   int x;
+   int r;
+   char aname[100];
+   char bname[100];
+   
+   char abuffer[1000];
+   char bbuffer[1000];
+   
+   yaffs_StartUp();
+   
+   yaffs_mount(path);
+   
+   sprintf(aname,"%s%s",path,"/a");
+   sprintf(bname,"%s%s",path,"/b");
+   
+   memset(abuffer,'a',1000);
+   memset(bbuffer,'b',1000);
+   
+   a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+   b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+   
+   printf(" %s %d %s %d\n",aname,a,bname,b);
+  
+   x = 0;
+   
+   for(j = 0; j < 100; j++)
+   {
+		yaffs_lseek(a,0,SEEK_END);
+
+		
+		for(i = 0; i <20000; i++)
+		{
+		   //r =        yaffs_lseek(b,i,SEEK_SET);
+			//r = yaffs_write(b,bbuffer,1000);
+			
+			if(x & 0x16)
+			{
+				// shrink
+				int syz = yaffs_lseek(a,0,SEEK_END);
+				
+				syz -= 500;
+				if(syz < 0) syz = 0;
+				yaffs_truncate(a,syz);
+				
+			}
+			else
+			{
+				//expand
+				r = yaffs_lseek(a,i * 500,SEEK_SET);
+				r = yaffs_write(a,abuffer,1000);
+			}
+			x++;
+			
+		}
+   }
+   
+   return 0;
+   
+}
+
+
+int resize_stress_test_no_grow_complex(const char *path,int iters)
+{
+   int a,b,i,j;
+   int x;
+   int r;
+   char aname[100];
+   char bname[100];
+   
+   char abuffer[1000];
+   char bbuffer[1000];
+   
+   yaffs_StartUp();
+   
+   yaffs_mount(path);
+   
+   sprintf(aname,"%s%s",path,"/a");
+   sprintf(bname,"%s%s",path,"/b");
+   
+   memset(abuffer,'a',1000);
+   memset(bbuffer,'b',1000);
+   
+   a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+   b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+   
+   printf(" %s %d %s %d\n",aname,a,bname,b);
+  
+   x = 0;
+   
+   for(j = 0; j < iters; j++)
+   {
+		yaffs_lseek(a,0,SEEK_END);
+
+		
+		for(i = 0; i <20000; i++)
+		{
+		   //r =        yaffs_lseek(b,i,SEEK_SET);
+			//r = yaffs_write(b,bbuffer,1000);
+			
+			if(!(x%20))
+			{
+				// shrink
+				int syz = yaffs_lseek(a,0,SEEK_END);
+				
+				while(syz > 4000)
+				{
+				
+					syz -= 2050;
+					if(syz < 0) syz = 0;
+					yaffs_truncate(a,syz);
+					syz = yaffs_lseek(a,0,SEEK_END);
+					printf("shrink to %d\n",syz);
+				}
+				
+				
+			}
+			else
+			{
+				//expand
+				r = yaffs_lseek(a,500,SEEK_END);
+				r = yaffs_write(a,abuffer,1000);
+			}
+			x++;
+			
+					
+		}
+		printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
+
+   }
+   
+   return 0;
+   
+}
+
+int resize_stress_test_no_grow(const char *path,int iters)
+{
+   int a,b,i,j;
+   int x;
+   int r;
+   char aname[100];
+   char bname[100];
+   
+   char abuffer[1000];
+   char bbuffer[1000];
+   
+   yaffs_StartUp();
+   
+   yaffs_mount(path);
+   
+   sprintf(aname,"%s%s",path,"/a");
+   sprintf(bname,"%s%s",path,"/b");
+   
+   memset(abuffer,'a',1000);
+   memset(bbuffer,'b',1000);
+   
+   a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+   b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+   
+   printf(" %s %d %s %d\n",aname,a,bname,b);
+  
+   x = 0;
+   
+   for(j = 0; j < iters; j++)
+   {
+		yaffs_lseek(a,0,SEEK_END);
+
+		
+		for(i = 0; i <20000; i++)
+		{
+		   //r =        yaffs_lseek(b,i,SEEK_SET);
+			//r = yaffs_write(b,bbuffer,1000);
+			
+			if(!(x%20))
+			{
+				// shrink
+				int syz = yaffs_lseek(a,0,SEEK_END);
+				
+				while(syz > 4000)
+				{
+				
+					syz -= 2050;
+					if(syz < 0) syz = 0;
+					yaffs_truncate(a,syz);
+					syz = yaffs_lseek(a,0,SEEK_END);
+					printf("shrink to %d\n",syz);
+				}
+				
+				
+			}
+			else
+			{
+				//expand
+				r = yaffs_lseek(a,-500,SEEK_END);
+				r = yaffs_write(a,abuffer,1000);
+			}
+			x++;
+			
+					
+		}
+		printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
+
+   }
+   
+   return 0;
+   
+}
+
+int directory_rename_test(void)
+{
+	int r;
+	yaffs_StartUp();
+	
+	yaffs_mount("/ram");
+	yaffs_mkdir("/ram/a",0);
+	yaffs_mkdir("/ram/a/b",0);
+	yaffs_mkdir("/ram/c",0);
+	
+	printf("\nDirectory look-up of /ram\n");
+	dumpDir("/ram");
+	dumpDir("/ram/a");
+	dumpDir("/ram/a/b");
+
+	printf("Do rename (should fail)\n");
+		
+	r = yaffs_rename("/ram/a","/ram/a/b/d");
+	printf("\nDirectory look-up of /ram\n");
+	dumpDir("/ram");
+	dumpDir("/ram/a");
+	dumpDir("/ram/a/b");
+
+	printf("Do rename (should not fail)\n");
+		
+	r = yaffs_rename("/ram/c","/ram/a/b/d");
+	printf("\nDirectory look-up of /ram\n");
+	dumpDir("/ram");
+	dumpDir("/ram/a");
+	dumpDir("/ram/a/b");
+	
+	
+	return 1;
+	
+}
+
+int cache_read_test(void)
+{
+	int a,b,c;
+	int i;
+	int sizeOfFiles = 500000;
+	char buffer[100];
+	
+	yaffs_StartUp();
+	
+	yaffs_mount("/boot");
+	
+	make_a_file("/boot/a",'a',sizeOfFiles);
+	make_a_file("/boot/b",'b',sizeOfFiles);
+
+	a = yaffs_open("/boot/a",O_RDONLY,0);
+	b = yaffs_open("/boot/b",O_RDONLY,0);
+	c = yaffs_open("/boot/c", O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+
+	do{
+		i = sizeOfFiles;
+		if (i > 100) i = 100;
+		sizeOfFiles  -= i;
+		yaffs_read(a,buffer,i);
+		yaffs_read(b,buffer,i);
+		yaffs_write(c,buffer,i);
+	} while(sizeOfFiles > 0);
+	
+	
+	
+	return 1;
+	
+}
+
+int cache_bypass_bug_test(void)
+{
+	// This test reporoduces a bug whereby YAFFS caching *was* buypassed
+	// resulting in erroneous reads after writes.
+	// This bug has been fixed.
+	
+	int a;
+	int i;
+	char buffer1[1000];
+	char buffer2[1000];
+	
+	memset(buffer1,0,sizeof(buffer1));
+	memset(buffer2,0,sizeof(buffer2));
+		
+	yaffs_StartUp();
+	
+	yaffs_mount("/boot");
+	
+	// Create a file of 2000 bytes.
+	make_a_file("/boot/a",'X',2000);
+
+	a = yaffs_open("/boot/a",O_RDWR, S_IREAD | S_IWRITE);
+	
+	// Write a short sequence to the file.
+	// This will go into the cache.
+	yaffs_lseek(a,0,SEEK_SET);
+	yaffs_write(a,"abcdefghijklmnopqrstuvwxyz",20); 
+
+	// Read a short sequence from the file.
+	// This will come from the cache.
+	yaffs_lseek(a,0,SEEK_SET);
+	yaffs_read(a,buffer1,30); 
+
+	// Read a page size sequence from the file.
+	yaffs_lseek(a,0,SEEK_SET);
+	yaffs_read(a,buffer2,512); 
+	
+	printf("buffer 1 %s\n",buffer1);
+	printf("buffer 2 %s\n",buffer2);
+	
+	if(strncmp(buffer1,buffer2,20))
+	{
+		printf("Cache bypass bug detected!!!!!\n");
+	}
+	
+	
+	return 1;
+}
+
+
+int free_space_check(void)
+{
+	int f;
+	
+		yaffs_StartUp();
+		yaffs_mount("/boot");
+	    fill_disk("/boot/",2);
+	    f = yaffs_freespace("/boot");
+	    
+	    printf("%d free when disk full\n",f);           
+	    return 1;
+}
+
+int truncate_test(void)
+{
+	int a;
+	int r;
+	int i;
+	int l;
+
+	char y[10];
+
+	yaffs_StartUp();
+	yaffs_mount("/boot");
+
+	yaffs_unlink("/boot/trunctest");
+	
+	a = yaffs_open("/boot/trunctest", O_CREAT | O_TRUNC | O_RDWR,  S_IREAD | S_IWRITE);
+	
+	yaffs_write(a,"abcdefghijklmnopqrstuvwzyz",26);
+	
+	yaffs_truncate(a,3);
+	l= yaffs_lseek(a,0,SEEK_END);
+	
+	printf("truncated length is %d\n",l);
+
+	yaffs_lseek(a,5,SEEK_SET);
+	yaffs_write(a,"1",1);
+
+	yaffs_lseek(a,0,SEEK_SET);
+	
+	r = yaffs_read(a,y,10);
+
+	printf("read %d bytes:",r);
+
+	for(i = 0; i < r; i++) printf("[%02X]",y[i]);
+
+	printf("\n");
+
+	return 0;
+
+}
+
+
+int main(int argc, char *argv[])
+{
+	//return long_test(argc,argv);
+	
+	//return cache_read_test();
+	
+	//return resize_stress_test_no_grow("/flash",2);
+	
+
+	
+	scan_pattern_test("/boot",40000,10);
+	//short_scan_test("/flash",40000,200);
+	return 0;
+	
+	long_test_on_path("/flash");
+	long_test_on_path("/flash");
+	
+	// cache_bypass_bug_test();
+	
+	 free_space_check();
+	 
+	 return 0;
+	
+}

new file mode 100644
--- /dev/null
+++ b/direct/yaffs_fileem.c
@@ -0,0 +1,217 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system. 
+ * yaffs_ramdisk.c: yaffs ram disk component
+ *
+ * Copyright (C) 2002 Aleph One Ltd.
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+// This provides a YAFFS nand emulation on a file.
+// THis is only intended as test code to test persistence etc.
+
+const char *yaffs_flashif_c_version = "$Id$";
+
+
+#include "yportenv.h"
+
+#include "yaffs_flashif.h"
+#include "yaffs_guts.h"
+
+#include "devextras.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h> 
+
+
+
+#define SIZE_IN_MB 16
+
+#define BLOCK_SIZE (32 * 528)
+#define BLOCKS_PER_MEG ((1024*1024)/(32 * 512))
+
+
+
+typedef struct 
+{
+	__u8 data[528]; // Data + spare
+} yflash_Page;
+
+typedef struct
+{
+	yflash_Page page[32]; // The pages in the block
+	
+} yflash_Block;
+
+
+
+typedef struct
+{
+	int handle;
+	int nBlocks;
+} yflash_Device;
+
+static yflash_Device filedisk;
+
+static int  CheckInit(yaffs_Device *dev)
+{
+	static int initialised = 0;
+	
+	int i;
+
+	
+	int fSize;
+	int written;
+	
+	yflash_Page p;
+	
+	if(initialised) 
+	{
+		return YAFFS_OK;
+	}
+
+	initialised = 1;
+	
+	
+	filedisk.nBlocks = (SIZE_IN_MB * 1024 * 1024)/(16 * 1024);
+	
+	filedisk.handle = open("yaffsemfile", O_RDWR | O_CREAT, S_IREAD | S_IWRITE);
+	
+	if(filedisk.handle < 0)
+	{
+		perror("Failed to open yaffs emulation file");
+		return YAFFS_FAIL;
+	}
+	
+	
+	fSize = lseek(filedisk.handle,0,SEEK_END);
+	
+	if(fSize < SIZE_IN_MB * 1024 * 1024)
+	{
+		printf("Creating yaffs emulation file\n");
+		
+		lseek(filedisk.handle,0,SEEK_SET);
+		
+		memset(&p,0xff,sizeof(yflash_Page));
+		
+		for(i = 0; i < SIZE_IN_MB * 1024 * 1024; i+= 512)
+		{
+			written = write(filedisk.handle,&p,sizeof(yflash_Page));
+			
+			if(written != sizeof(yflash_Page))
+			{
+				printf("Write failed\n");
+				return YAFFS_FAIL;
+			}
+		}		
+	}
+	
+	return 1;
+}
+
+int yflash_WriteChunkToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, const yaffs_Spare *spare)
+{
+	int written;
+
+	CheckInit(dev);
+	
+	
+	
+	if(data)
+	{
+		lseek(filedisk.handle,chunkInNAND * 528,SEEK_SET);
+		written = write(filedisk.handle,data,512);
+		
+		if(written != 512) return YAFFS_FAIL;
+	}
+	
+	if(spare)
+	{
+		lseek(filedisk.handle,chunkInNAND * 528 + 512,SEEK_SET);
+		written = write(filedisk.handle,spare,16);
+		
+		if(written != 16) return YAFFS_FAIL;
+	}
+	
+
+	return YAFFS_OK;	
+
+}
+
+
+int yflash_ReadChunkFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_Spare *spare)
+{
+	int nread;
+
+	CheckInit(dev);
+	
+	
+	
+	if(data)
+	{
+		lseek(filedisk.handle,chunkInNAND * 528,SEEK_SET);
+		nread = read(filedisk.handle,data,512);
+		
+		if(nread != 512) return YAFFS_FAIL;
+	}
+	
+	if(spare)
+	{
+		lseek(filedisk.handle,chunkInNAND * 528 + 512,SEEK_SET);
+		nread= read(filedisk.handle,spare,16);
+		
+		if(nread != 16) return YAFFS_FAIL;
+	}
+	
+
+	return YAFFS_OK;	
+
+}
+
+
+int yflash_EraseBlockInNAND(yaffs_Device *dev, int blockNumber)
+{
+
+	int i;
+		
+	CheckInit(dev);
+	
+	if(blockNumber < 0 || blockNumber >= filedisk.nBlocks)
+	{
+		T(YAFFS_TRACE_ALWAYS,("Attempt to erase non-existant block %d\n",blockNumber));
+		return YAFFS_FAIL;
+	}
+	else
+	{
+	
+		yflash_Page pg;
+		
+		memset(&pg,0xff,sizeof(yflash_Page));
+		
+		lseek(filedisk.handle, blockNumber * 32 * 528, SEEK_SET);
+		
+		for(i = 0; i < 32; i++)
+		{
+			write(filedisk.handle,&pg,528);
+		}
+		return YAFFS_OK;
+	}
+	
+}
+
+int yflash_InitialiseNAND(yaffs_Device *dev)
+{
+	dev->useNANDECC = 1; // force on useNANDECC which gets faked. 
+						 // This saves us doing ECC checks.
+	
+	return YAFFS_OK;
+}
+
+

new file mode 100644
--- /dev/null
+++ b/direct/yaffs_fileem2k.c
@@ -0,0 +1,307 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system. 
+ * yaffs_ramdisk.c: yaffs ram disk component
+ *
+ * Copyright (C) 2002 Aleph One Ltd.
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+// This provides a YAFFS nand emulation on a file for emulating 2kB pages.
+// THis is only intended as test code to test persistence etc.
+
+const char *yaffs_flashif_c_version = "$Id$";
+
+
+#include "yportenv.h"
+
+#include "yaffs_flashif.h"
+#include "yaffs_guts.h"
+#include "devextras.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h> 
+
+#include "yaffs_fileem2k.h"
+#include "yaffs_packedtags.h"
+
+
+
+typedef struct 
+{
+	__u8 data[PAGE_SIZE]; // Data + spare
+} yflash_Page;
+
+typedef struct
+{
+	yflash_Page page[PAGES_PER_BLOCK]; // The pages in the block
+	
+} yflash_Block;
+
+
+
+typedef struct
+{
+	int handle;
+	int nBlocks;
+} yflash_Device;
+
+static yflash_Device filedisk;
+
+static int  CheckInit(yaffs_Device *dev)
+{
+	static int initialised = 0;
+	
+	int i;
+
+	
+	int fSize;
+	int written;
+	
+	yflash_Page p;
+	
+	if(initialised) 
+	{
+		return YAFFS_OK;
+	}
+
+	initialised = 1;
+	
+	
+	filedisk.nBlocks = SIZE_IN_MB * BLOCKS_PER_MB;
+	
+	filedisk.handle = open("yaffsemfile2k", O_RDWR | O_CREAT, S_IREAD | S_IWRITE);
+	
+	if(filedisk.handle < 0)
+	{
+		perror("Failed to open yaffs emulation file");
+		return YAFFS_FAIL;
+	}
+	
+	
+	fSize = lseek(filedisk.handle,0,SEEK_END);
+	
+	if(fSize < filedisk.nBlocks * BLOCK_SIZE)
+	{
+		printf("Creating yaffs emulation file\n");
+		
+		lseek(filedisk.handle,0,SEEK_SET);
+		
+		memset(&p,0xff,sizeof(yflash_Page));
+		
+		for(i = 0; i <  filedisk.nBlocks * BLOCK_SIZE; i+= PAGE_SIZE)
+		{
+			written = write(filedisk.handle,&p,sizeof(yflash_Page));
+			
+			if(written != sizeof(yflash_Page))
+			{
+				printf("Write failed\n");
+				return YAFFS_FAIL;
+			}
+		}		
+	}
+	
+	return 1;
+}
+
+int yflash_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, yaffs_ExtendedTags *tags)
+{
+	int written;
+	int pos;
+
+	CheckInit(dev);
+	
+	
+	
+	if(data)
+	{
+		pos = chunkInNAND * PAGE_SIZE;
+		lseek(filedisk.handle,pos,SEEK_SET);
+		written = write(filedisk.handle,data,dev->nBytesPerChunk);
+		
+		if(written != dev->nBytesPerChunk) return YAFFS_FAIL;
+	}
+	
+	if(tags)
+	{
+		pos = chunkInNAND * PAGE_SIZE + PAGE_DATA_SIZE;
+		lseek(filedisk.handle,pos,SEEK_SET);
+		if(dev->isYaffs2)
+		{
+			
+			written = write(filedisk.handle,tags,sizeof(yaffs_ExtendedTags));
+			if(written != sizeof(yaffs_ExtendedTags)) return YAFFS_FAIL;
+		}
+		else
+		{
+			yaffs_PackedTags pt;
+			yaffs_PackTags(&pt,tags);
+
+			written = write(filedisk.handle,&pt,sizeof(pt));
+			if(written != sizeof(pt)) return YAFFS_FAIL;
+		}
+	}
+	
+
+	return YAFFS_OK;	
+
+}
+
+int yflash_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
+{
+	int written;
+	
+	yaffs_PackedTags pt;
+
+	CheckInit(dev);
+	
+	memset(&pt,0,sizeof(pt));
+	lseek(filedisk.handle,(blockNo * dev->nChunksPerBlock) * PAGE_SIZE + PAGE_DATA_SIZE,SEEK_SET);
+	written = write(filedisk.handle,&pt,sizeof(pt));
+		
+	if(written != sizeof(pt)) return YAFFS_FAIL;
+	
+	
+	return YAFFS_OK;
+	
+}
+
+int yaffs_CheckAllFF(const __u8 *ptr, int n)
+{
+	while(n)
+	{
+		n--;
+		if(*ptr!=0xFF) return 0;
+		ptr++;
+	}
+	return 1;
+}
+
+
+int yflash_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_ExtendedTags *tags)
+{
+	int nread;
+	int pos;
+
+	CheckInit(dev);
+	
+	
+	
+	if(data)
+	{
+		pos = chunkInNAND * PAGE_SIZE;
+		lseek(filedisk.handle,pos,SEEK_SET);
+		nread = read(filedisk.handle,data,dev->nBytesPerChunk);
+		
+		if(nread != dev->nBytesPerChunk) return YAFFS_FAIL;
+	}
+	
+	if(tags)
+	{
+		pos = chunkInNAND * PAGE_SIZE + PAGE_DATA_SIZE;
+		lseek(filedisk.handle,pos,SEEK_SET);
+		if(dev->isYaffs2)
+		{
+			nread= read(filedisk.handle,tags,sizeof(yaffs_ExtendedTags));
+			if(nread != sizeof(yaffs_ExtendedTags)) return YAFFS_FAIL;
+			if(yaffs_CheckAllFF((__u8 *)tags,sizeof(yaffs_ExtendedTags)))
+			{
+				yaffs_InitialiseTags(tags);
+			}
+			else
+			{
+				tags->chunkUsed = 1;
+			}
+		}
+		else
+		{
+			yaffs_PackedTags pt;
+			nread= read(filedisk.handle,&pt,sizeof(pt));
+			yaffs_UnpackTags(tags,&pt);
+			if(nread != sizeof(pt)) return YAFFS_FAIL;
+		}
+	}
+	
+
+	return YAFFS_OK;	
+
+}
+
+
+int yflash_EraseBlockInNAND(yaffs_Device *dev, int blockNumber)
+{
+
+	int i;
+		
+	CheckInit(dev);
+	
+	if(blockNumber < 0 || blockNumber >= filedisk.nBlocks)
+	{
+		T(YAFFS_TRACE_ALWAYS,("Attempt to erase non-existant block %d\n",blockNumber));
+		return YAFFS_FAIL;
+	}
+	else
+	{
+	
+		__u8 pg[PAGE_SIZE];
+		int syz = PAGE_SIZE;
+		int pos;
+		
+		memset(pg,0xff,syz);
+		
+		pos = lseek(filedisk.handle, blockNumber * dev->nChunksPerBlock * PAGE_SIZE, SEEK_SET);
+		
+		for(i = 0; i < dev->nChunksPerBlock; i++)
+		{
+			write(filedisk.handle,pg,PAGE_SIZE);
+		}
+		pos = lseek(filedisk.handle, 0,SEEK_CUR);
+		
+		return YAFFS_OK;
+	}
+	
+}
+
+int yflash_InitialiseNAND(yaffs_Device *dev)
+{
+	CheckInit(dev);
+	
+	return YAFFS_OK;
+}
+
+
+
+
+int yflash_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, yaffs_BlockState *state, int *sequenceNumber)
+{
+	yaffs_ExtendedTags tags;
+	int chunkNo;
+
+	*sequenceNumber = 0;
+	
+	chunkNo = blockNo * dev->nChunksPerBlock;
+	
+	yflash_ReadChunkWithTagsFromNAND(dev,chunkNo,NULL,&tags);
+	if(tags.blockBad)
+	{
+		*state = YAFFS_BLOCK_STATE_DEAD;
+	}
+	else if(!tags.chunkUsed)
+	{
+		*state = YAFFS_BLOCK_STATE_EMPTY;
+	}
+	else if(tags.chunkUsed)
+	{
+		*state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
+		*sequenceNumber = tags.sequenceNumber;
+	}
+	return YAFFS_OK;
+}
+

new file mode 100644
--- /dev/null
+++ b/direct/yaffs_fileem2k.h
@@ -0,0 +1,45 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system. 
+ * yaffs_ramdisk.c: yaffs ram disk component
+ *
+ * Copyright (C) 2002 Aleph One Ltd.
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __FILEEM2K_H__
+#define __FILEEM2K_H__
+
+#if 1
+
+#define SIZE_IN_MB 512
+#define PAGE_DATA_SIZE (2048)
+#define PAGE_SPARE_SIZE  (64)
+#define PAGE_SIZE  (PAGE_DATA_SIZE + PAGE_SPARE_SIZE)
+#define PAGES_PER_BLOCK (64)
+#define BLOCK_DATA_SIZE (PAGE_DATA_SIZE * PAGES_PER_BLOCK)
+#define BLOCK_SIZE (PAGES_PER_BLOCK * (PAGE_SIZE))
+#define BLOCKS_PER_MB ((1024*1024)/BLOCK_DATA_SIZE)
+#define SIZE_IN_BLOCKS (BLOCKS_PER_MB * SIZE_IN_MB)
+
+#else
+
+#define SIZE_IN_MB 128
+#define PAGE_DATA_SIZE (512)
+#define SPARE_SIZE  (16)
+#define PAGE_SIZE  (PAGE_DATA_SIZE + SPARE_SIZE)
+#define PAGES_PER_BLOCK (32)
+#define BLOCK_DATA_SIZE (PAGE_SIZE * PAGES_PER_BLOCK)
+#define BLOCK_SIZE (PAGES_PER_BLOCK * (PAGE_SIZE))
+#define BLOCKS_PER_MB ((1024*1024)/BLOCK_DATA_SIZE)
+#define SIZE_IN_BLOCKS (BLOCKS_PER_MB * SIZE_IN_MB)
+
+#endif
+
+#endif
+

new file mode 100644
--- /dev/null
+++ b/direct/yaffs_flashif.c
@@ -0,0 +1,233 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system. 
+ * yaffs_ramdisk.c: yaffs ram disk component
+ *
+ * Copyright (C) 2002 Aleph One Ltd.
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+// This provides a rma disk under yaffs.
+// NB this is not intended for NAND emulation.
+// Use this with dev->useNANDECC enabled, then ECC overheads are not required.
+
+const char *yaffs_flashif_c_version = "$Id$";
+
+
+#include "yportenv.h"
+
+#include "yaffs_flashif.h"
+#include "yaffs_guts.h"
+#include "devextras.h"
+
+
+#define SIZE_IN_MB 16
+
+#define BLOCK_SIZE (32 * 528)
+#define BLOCKS_PER_MEG ((1024*1024)/(32 * 512))
+
+
+
+typedef struct 
+{
+	__u8 data[528]; // Data + spare
+} yflash_Page;
+
+typedef struct
+{
+	yflash_Page page[32]; // The pages in the block
+	
+} yflash_Block;
+
+
+
+typedef struct
+{
+	yflash_Block **block;
+	int nBlocks;
+} yflash_Device;
+
+static yflash_Device ramdisk;
+
+static int  CheckInit(yaffs_Device *dev)
+{
+	static int initialised = 0;
+	
+	int i;
+	int fail = 0;
+	int nAllocated = 0;
+	
+	if(initialised) 
+	{
+		return YAFFS_OK;
+	}
+
+	initialised = 1;
+	
+	
+	ramdisk.nBlocks = (SIZE_IN_MB * 1024 * 1024)/(16 * 1024);
+	
+	ramdisk.block = YMALLOC(sizeof(yflash_Block *) * ramdisk.nBlocks);
+	
+	if(!ramdisk.block) return 0;
+	
+	for(i=0; i <ramdisk.nBlocks; i++)
+	{
+		ramdisk.block[i] = NULL;
+	}
+	
+	for(i=0; i <ramdisk.nBlocks && !fail; i++)
+	{
+		if((ramdisk.block[i] = YMALLOC(sizeof(yflash_Block))) == 0)
+		{
+			fail = 1;
+		}
+		else
+		{
+			yflash_EraseBlockInNAND(dev,i);
+			nAllocated++;
+		}
+	}
+	
+	if(fail)
+	{
+		for(i = 0; i < nAllocated; i++)
+		{
+			YFREE(ramdisk.block[i]);
+		}
+		YFREE(ramdisk.block);
+		
+		T(YAFFS_TRACE_ALWAYS,("Allocation failed, could only allocate %dMB of %dMB requested.\n",
+		   nAllocated/64,ramdisk.nBlocks * YAFFS_BYTES_PER_BLOCK));
+		return 0;
+	}
+	
+	
+	
+	return 1;
+}
+
+int yflash_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, yaffs_ExtendedTags *tags)
+{
+	int blk;
+	int pg;
+	
+
+	CheckInit(dev);
+	
+	blk = chunkInNAND/32;
+	pg = chunkInNAND%32;
+	
+	
+	if(data)
+	{
+		memcpy(ramdisk.block[blk]->page[pg].data,data,512);
+	}
+	
+	
+	if(tags)
+	{
+		yaffs_PackedTags pt;
+		yaffs_PackTags(&pt,tags);
+		memcpy(&ramdisk.block[blk]->page[pg].data[512],&pt,sizeof(pt));
+	}
+
+	return YAFFS_OK;	
+
+}
+
+
+int yflash_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_Tags *tags)
+{
+	int blk;
+	int pg;
+
+	
+	CheckInit(dev);
+	
+	blk = chunkInNAND/32;
+	pg = chunkInNAND%32;
+	
+	
+	if(data)
+	{
+		memcpy(data,ramdisk.block[blk]->page[pg].data,512);
+	}
+	
+	
+	if(tags)
+	{
+		yaffs_PackedTags pt;
+		memcpy(&pt,&ramdisk.block[blk]->page[pg].data[512],sizeof(yaffs_PackedTags));
+		yaffs_UnpackTags(tags,&pt);
+	}
+
+	return YAFFS_OK;
+}
+
+
+int yflash_CheckChunkErased(yaffs_Device *dev,int chunkInNAND)
+{
+	int blk;
+	int pg;
+	int i;
+
+	
+	CheckInit(dev);
+	
+	blk = chunkInNAND/32;
+	pg = chunkInNAND%32;
+	
+	
+	for(i = 0; i < 528; i++)
+	{
+		if(ramdisk.block[blk]->page[pg].data[i] != 0xFF)
+		{
+			return YAFFS_FAIL;
+		}
+	}
+
+	return YAFFS_OK;
+
+}
+
+int yflash_EraseBlockInNAND(yaffs_Device *dev, int blockNumber)
+{
+	
+	CheckInit(dev);
+	
+	if(blockNumber < 0 || blockNumber >= ramdisk.nBlocks)
+	{
+		T(YAFFS_TRACE_ALWAYS,("Attempt to erase non-existant block %d\n",blockNumber));
+		return YAFFS_FAIL;
+	}
+	else
+	{
+		memset(ramdisk.block[blockNumber],0xFF,sizeof(yflash_Block));
+		return YAFFS_OK;
+	}
+	
+}
+
+int yflash_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
+{
+	return YAFFS_OK;
+	
+}
+int yflash_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, yaffs_BlockState *state, int *sequenceNumber)
+{
+	*state = YAFFS_BLOCK_STATE_EMPTY;
+	*sequenceNumber = 0;
+}
+
+
+int yflash_InitialiseNAND(yaffs_Device *dev)
+{
+	return YAFFS_OK;
+}
+

new file mode 100644
--- /dev/null
+++ b/direct/yaffs_flashif.h
@@ -0,0 +1,35 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system. 
+ * yaffs_ramdisk.h: yaffs ram disk component
+ *
+ * Copyright (C) 2002 Aleph One Ltd.
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * $Id$
+ */
+
+// This provides a rma disk under yaffs.
+// NB this is not intended for NAND emulation.
+// Use this with dev->useNANDECC enabled, then ECC overheads are not required.
+
+#ifndef __YAFFS_FLASH_H__
+#define __YAFFS_FLASH_H__
+
+
+#include "yaffs_guts.h"
+int yflash_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
+int yflash_WriteChunkToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, const yaffs_Spare *spare);
+int yflash_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, yaffs_ExtendedTags *tags);
+int yflash_ReadChunkFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_Spare *spare);
+int yflash_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_ExtendedTags *tags);
+int yflash_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
+int yflash_InitialiseNAND(yaffs_Device *dev);
+int yflash_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
+int yflash_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, yaffs_BlockState *state, int *sequenceNumber);
+
+#endif

new file mode 100644
--- /dev/null
+++ b/direct/yaffs_packedtags.c
@@ -0,0 +1,42 @@
+#include "yaffs_packedtags.h"
+#include <string.h>
+
+void yaffs_PackTags(yaffs_PackedTags *pt, yaffs_ExtendedTags *t)
+{
+	pt->chunkId = t->chunkId;
+	pt->serialNumber = t->serialNumber;
+	pt->byteCount = t->byteCount;
+	pt->objectId = t->objectId;
+	pt->ecc = 0;
+	pt->deleted = (t->chunkDeleted) ? 0 : 1;
+	pt->unusedStuff = 0;
+	pt->shouldBeFF = 0xFFFFFFFF;
+	
+}
+
+void yaffs_UnpackTags(yaffs_ExtendedTags *t, yaffs_PackedTags *pt)
+{
+	static __u8 allFF[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,0xff, 0xff, 0xff, 0xff};
+	
+	if(memcmp(allFF,pt,sizeof(yaffs_PackedTags)))
+	{
+		t->blockBad = 0;
+		if(pt->shouldBeFF != 0xFFFFFFFF)
+		{
+			t->blockBad = 1;
+		}
+		t->chunkUsed = 1;
+		t->objectId = pt->objectId;
+		t->chunkId = pt->chunkId;
+		t->byteCount = pt->byteCount;
+		t->eccResult = 	YAFFS_ECC_RESULT_NO_ERROR;
+		t->chunkDeleted = (pt->deleted) ? 0 : 1;
+		t->serialNumber = pt->serialNumber;
+	}
+	else
+	{
+		memset(t,0,sizeof(yaffs_ExtendedTags));
+		
+	}
+}
+

new file mode 100644
--- /dev/null
+++ b/direct/yaffs_packedtags.h
@@ -0,0 +1,24 @@
+
+#ifndef __YAFFS_PACKEDTAGS_H__
+#define __YAFFS_PACKEDTAGS_H__
+
+#include "yaffs_guts.h"
+
+typedef struct
+{   
+	unsigned chunkId:20;
+    unsigned serialNumber:2;
+    unsigned byteCount:10;
+    unsigned objectId:18;
+    unsigned ecc:12;
+    unsigned deleted:1;
+    unsigned unusedStuff:1;
+    unsigned shouldBeFF;
+
+} yaffs_PackedTags;
+
+void yaffs_PackTags(yaffs_PackedTags *pt, yaffs_ExtendedTags *t);
+void yaffs_UnpackTags(yaffs_ExtendedTags *t, yaffs_PackedTags *pt);
+#endif
+
+

new file mode 100644
--- /dev/null
+++ b/direct/yaffs_ramdisk.c
@@ -0,0 +1,232 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system. 
+ * yaffs_ramdisk.c: yaffs ram disk component
+ *
+ * Copyright (C) 2002 Aleph One Ltd.
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+// This provides a rma disk under yaffs.
+// NB this is not intended for NAND emulation.
+// Use this with dev->useNANDECC enabled, then ECC overheads are not required.
+
+const char *yaffs_ramdisk_c_version = "$Id$";
+
+
+#include "yportenv.h"
+
+#include "yaffs_ramdisk.h"
+#include "yaffs_guts.h"
+#include "devextras.h"
+#include "yaffs_packedtags.h"
+
+
+
+#define SIZE_IN_MB 2
+
+#define BLOCK_SIZE (32 * 528)
+#define BLOCKS_PER_MEG ((1024*1024)/(32 * 512))
+
+
+
+
+
+typedef struct 
+{
+	__u8 data[528]; // Data + spare
+} yramdisk_Page;
+
+typedef struct
+{
+	yramdisk_Page page[32]; // The pages in the block
+	
+} yramdisk_Block;
+
+
+
+typedef struct
+{
+	yramdisk_Block **block;
+	int nBlocks;
+} yramdisk_Device;
+
+static yramdisk_Device ramdisk;
+
+static int  CheckInit(yaffs_Device *dev)
+{
+	static int initialised = 0;
+	
+	int i;
+	int fail = 0;
+	//int nBlocks; 
+	int nAllocated = 0;
+	
+	if(initialised) 
+	{
+		return YAFFS_OK;
+	}
+
+	initialised = 1;
+	
+	
+	ramdisk.nBlocks = (SIZE_IN_MB * 1024 * 1024)/(16 * 1024);
+	
+	ramdisk.block = YMALLOC(sizeof(yramdisk_Block *) * ramdisk.nBlocks);
+	
+	if(!ramdisk.block) return 0;
+	
+	for(i=0; i <ramdisk.nBlocks; i++)
+	{
+		ramdisk.block[i] = NULL;
+	}
+	
+	for(i=0; i <ramdisk.nBlocks && !fail; i++)
+	{
+		if((ramdisk.block[i] = YMALLOC(sizeof(yramdisk_Block))) == 0)
+		{
+			fail = 1;
+		}
+		else
+		{
+			yramdisk_EraseBlockInNAND(dev,i);
+			nAllocated++;
+		}
+	}
+	
+	if(fail)
+	{
+		for(i = 0; i < nAllocated; i++)
+		{
+			YFREE(ramdisk.block[i]);
+		}
+		YFREE(ramdisk.block);
+		
+		T(YAFFS_TRACE_ALWAYS,("Allocation failed, could only allocate %dMB of %dMB requested.\n",
+		   nAllocated/64,ramdisk.nBlocks * 528));
+		return 0;
+	}
+	
+	
+	return 1;
+}
+
+int yramdisk_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, yaffs_ExtendedTags *tags)
+{
+	int blk;
+	int pg;
+	
+
+	CheckInit(dev);
+	
+	blk = chunkInNAND/32;
+	pg = chunkInNAND%32;
+	
+	
+	if(data)
+	{
+		memcpy(ramdisk.block[blk]->page[pg].data,data,512);
+	}
+	
+	
+	if(tags)
+	{
+		yaffs_PackedTags pt;
+		
+		yaffs_PackTags(&pt,tags);
+		memcpy(&ramdisk.block[blk]->page[pg].data[512],&pt,sizeof(pt));
+	}
+
+	return YAFFS_OK;	
+
+}
+
+
+int yramdisk_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_ExtendedTags *tags)
+{
+	int blk;
+	int pg;
+
+	
+	CheckInit(dev);
+	
+	blk = chunkInNAND/32;
+	pg = chunkInNAND%32;
+	
+	
+	if(data)
+	{
+		memcpy(data,ramdisk.block[blk]->page[pg].data,512);
+	}
+	
+	
+	if(tags)
+	{
+		yaffs_PackedTags pt;
+		
+		memcpy(&pt,&ramdisk.block[blk]->page[pg].data[512],sizeof(pt));
+		yaffs_UnpackTags(tags,&pt);
+		
+	}
+
+	return YAFFS_OK;
+}
+
+
+int yramdisk_CheckChunkErased(yaffs_Device *dev,int chunkInNAND)
+{
+	int blk;
+	int pg;
+	int i;
+
+	
+	CheckInit(dev);
+	
+	blk = chunkInNAND/32;
+	pg = chunkInNAND%32;
+	
+	
+	for(i = 0; i < 528; i++)
+	{
+		if(ramdisk.block[blk]->page[pg].data[i] != 0xFF)
+		{
+			return YAFFS_FAIL;
+		}
+	}
+
+	return YAFFS_OK;
+
+}
+
+int yramdisk_EraseBlockInNAND(yaffs_Device *dev, int blockNumber)
+{
+	
+	CheckInit(dev);
+	
+	if(blockNumber < 0 || blockNumber >= ramdisk.nBlocks)
+	{
+		T(YAFFS_TRACE_ALWAYS,("Attempt to erase non-existant block %d\n",blockNumber));
+		return YAFFS_FAIL;
+	}
+	else
+	{
+		memset(ramdisk.block[blockNumber],0xFF,sizeof(yramdisk_Block));
+		return YAFFS_OK;
+	}
+	
+}
+
+int yramdisk_InitialiseNAND(yaffs_Device *dev)
+{
+	//dev->useNANDECC = 1; // force on useNANDECC which gets faked. 
+						 // This saves us doing ECC checks.
+	
+	return YAFFS_OK;
+}
+
+

new file mode 100644
--- /dev/null
+++ b/direct/yaffs_ramdisk.h
@@ -0,0 +1,32 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system. 
+ * yaffs_ramdisk.h: yaffs ram disk component
+ *
+ * Copyright (C) 2002 Aleph One Ltd.
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * $Id$
+ */
+
+// This provides a rma disk under yaffs.
+// NB this is not intended for NAND emulation.
+// Use this with dev->useNANDECC enabled, then ECC overheads are not required.
+
+#ifndef __YAFFS_RAMDISK_H__
+#define __YAFFS_RAMDISK_H__
+
+
+#include "yaffs_guts.h"
+int yramdisk_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
+int yramdisk_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, yaffs_ExtendedTags *tags);
+int yramdisk_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_ExtendedTags *tags);
+int yramdisk_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
+int yramdisk_InitialiseNAND(yaffs_Device *dev);
+int yramdisk_MarkNANDBlockBad(yaffs_Device *dev,int blockNumber);
+int yramdisk_QueryNANDBlock(yaffs_Device *dev, int blockNo, yaffs_BlockState *state, int *sequenceNumber);
+#endif

new file mode 100644
--- /dev/null
+++ b/direct/yaffscfg.c
@@ -0,0 +1,122 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system.
+ * yaffscfg.c  The configuration for the "direct" use of yaffs.
+ *
+ * This file is intended to be modified to your requirements.
+ * There is no need to redistribute this file.
+ */
+
+#include "yaffscfg.h"
+#include "yaffsfs.h"
+#include <errno.h>
+
+unsigned yaffs_traceMask = 0xFFFFFFFF;
+
+
+void yaffsfs_SetError(int err)
+{
+	//Do whatever to set error
+	errno = err;
+}
+
+void yaffsfs_Lock(void)
+{
+}
+
+void yaffsfs_Unlock(void)
+{
+}
+
+__u32 yaffsfs_CurrentTime(void)
+{
+	return 0;
+}
+
+void yaffsfs_LocalInitialisation(void)
+{
+	// Define locking semaphore.
+}
+
+// Configuration for:
+// /ram  2MB ramdisk
+// /boot 2MB boot disk (flash)
+// /flash 14MB flash disk (flash)
+// NB Though /boot and /flash occupy the same physical device they
+// are still disticnt "yaffs_Devices. You may think of these as "partitions"
+// using non-overlapping areas in the same device.
+// 
+
+#include "yaffs_ramdisk.h"
+#include "yaffs_flashif.h"
+
+static yaffs_Device ramDev;
+static yaffs_Device bootDev;
+static yaffs_Device flashDev;
+
+static yaffsfs_DeviceConfiguration yaffsfs_config[] = {
+
+	{ "/ram", &ramDev},
+	{ "/boot", &bootDev},
+	{ "/flash", &flashDev},
+	{(void *)0,(void *)0}
+};
+
+
+int yaffs_StartUp(void)
+{
+	// Stuff to configure YAFFS
+	// Stuff to initialise anything special (eg lock semaphore).
+	yaffsfs_LocalInitialisation();
+	
+	// Set up devices
+
+	// /ram
+	ramDev.nBytesPerChunk = 512;
+	ramDev.nChunksPerBlock = 32;
+	ramDev.nReservedBlocks = 2; // Set this smaller for RAM
+	ramDev.startBlock = 1; // Can't use block 0
+	ramDev.endBlock = 127; // Last block in 2MB.	
+	ramDev.useNANDECC = 1;
+	ramDev.nShortOpCaches = 0;	// Disable caching on this device.
+	ramDev.genericDevice = (void *) 0;	// Used to identify the device in fstat.
+	ramDev.writeChunkWithTagsToNAND = yramdisk_WriteChunkWithTagsToNAND;
+	ramDev.readChunkWithTagsFromNAND = yramdisk_ReadChunkWithTagsFromNAND;
+	ramDev.eraseBlockInNAND = yramdisk_EraseBlockInNAND;
+	ramDev.initialiseNAND = yramdisk_InitialiseNAND;
+
+	// /boot
+	bootDev.nBytesPerChunk = 612;
+	bootDev.nChunksPerBlock = 32;
+	bootDev.nReservedBlocks = 5;
+	bootDev.startBlock = 1; // Can't use block 0
+	bootDev.endBlock = 127; // Last block in 2MB.	
+	bootDev.useNANDECC = 0; // use YAFFS's ECC
+	bootDev.nShortOpCaches = 10; // Use caches
+	bootDev.genericDevice = (void *) 1;	// Used to identify the device in fstat.
+	bootDev.writeChunkToNAND = yflash_WriteChunkToNAND;
+	bootDev.readChunkFromNAND = yflash_ReadChunkFromNAND;
+	bootDev.eraseBlockInNAND = yflash_EraseBlockInNAND;
+	bootDev.initialiseNAND = yflash_InitialiseNAND;
+
+		// /flash
+	flashDev.nBytesPerChunk =  512;
+	flashDev.nChunksPerBlock = 32;
+	flashDev.nReservedBlocks = 5;
+	flashDev.startBlock = 128; // First block after 2MB
+	flashDev.endBlock = 1023; // Last block in 16MB
+	flashDev.useNANDECC = 0; // use YAFFS's ECC
+	flashDev.nShortOpCaches = 10; // Use caches
+	flashDev.genericDevice = (void *) 2;	// Used to identify the device in fstat.
+	flashDev.writeChunkToNAND = yflash_WriteChunkToNAND;
+	flashDev.readChunkFromNAND = yflash_ReadChunkFromNAND;
+	flashDev.eraseBlockInNAND = yflash_EraseBlockInNAND;
+	flashDev.initialiseNAND = yflash_InitialiseNAND;
+
+	yaffs_initialise(yaffsfs_config);
+	
+	return 0;
+}
+
+
+
+

new file mode 100644
--- /dev/null
+++ b/direct/yaffscfg.h
@@ -0,0 +1,30 @@
+/*
+* Header file for using yaffs in an application via
+* a direct interface.
+*/
+
+
+#ifndef __YAFFSCFG_H__
+#define __YAFFSCFG_H__
+
+
+#include "devextras.h"
+
+#define YAFFSFS_N_HANDLES 200
+
+
+typedef struct {
+	const char *prefix;
+	struct yaffs_DeviceStruct *dev;
+} yaffsfs_DeviceConfiguration;
+
+
+void yaffsfs_Lock(void);
+void yaffsfs_Unlock(void);
+
+__u32 yaffsfs_CurrentTime(void);
+
+void yaffsfs_SetError(int err);
+
+#endif
+

new file mode 100644
--- /dev/null
+++ b/direct/yaffscfg2k.c
@@ -0,0 +1,137 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system.
+ * yaffscfg.c  The configuration for the "direct" use of yaffs.
+ *
+ * This file is intended to be modified to your requirements.
+ * There is no need to redistribute this file.
+ */
+
+#include "yaffscfg.h"
+#include "yaffsfs.h"
+#include "yaffs_fileem2k.h"
+
+#include <errno.h>
+
+unsigned yaffs_traceMask = 0xFFFFFFFF;
+
+
+void yaffsfs_SetError(int err)
+{
+	//Do whatever to set error
+	errno = err;
+}
+
+void yaffsfs_Lock(void)
+{
+}
+
+void yaffsfs_Unlock(void)
+{
+}
+
+__u32 yaffsfs_CurrentTime(void)
+{
+	return 0;
+}
+
+void yaffsfs_LocalInitialisation(void)
+{
+	// Define locking semaphore.
+}
+
+// Configuration for:
+// /ram  2MB ramdisk
+// /boot 2MB boot disk (flash)
+// /flash 14MB flash disk (flash)
+// NB Though /boot and /flash occupy the same physical device they
+// are still disticnt "yaffs_Devices. You may think of these as "partitions"
+// using non-overlapping areas in the same device.
+// 
+
+#include "yaffs_ramdisk.h"
+#include "yaffs_flashif.h"
+
+static yaffs_Device ramDev;
+static yaffs_Device bootDev;
+static yaffs_Device flashDev;
+
+static yaffsfs_DeviceConfiguration yaffsfs_config[] = {
+
+	{ "/ram", &ramDev},
+	{ "/boot", &bootDev},
+	{ "/flash", &flashDev},
+	{(void *)0,(void *)0}
+};
+
+
+int yaffs_StartUp(void)
+{
+	// Stuff to configure YAFFS
+	// Stuff to initialise anything special (eg lock semaphore).
+	yaffsfs_LocalInitialisation();
+	
+	// Set up devices
+	// /ram
+	memset(&ramDev,0,sizeof(ramDev));
+	ramDev.nBytesPerChunk = 512;
+	ramDev.nChunksPerBlock = 32;
+	ramDev.nReservedBlocks = 2; // Set this smaller for RAM
+	ramDev.startBlock = 1; // Can't use block 0
+	ramDev.endBlock = 127; // Last block in 2MB.	
+	//ramDev.useNANDECC = 1;
+	ramDev.nShortOpCaches = 0;	// Disable caching on this device.
+	ramDev.genericDevice = (void *) 0;	// Used to identify the device in fstat.
+	ramDev.writeChunkWithTagsToNAND = yramdisk_WriteChunkWithTagsToNAND;
+	ramDev.readChunkWithTagsFromNAND = yramdisk_ReadChunkWithTagsFromNAND;
+	ramDev.eraseBlockInNAND = yramdisk_EraseBlockInNAND;
+	ramDev.initialiseNAND = yramdisk_InitialiseNAND;
+
+	// /boot
+	memset(&bootDev,0,sizeof(bootDev));
+	bootDev.nBytesPerChunk = 512;
+	bootDev.nChunksPerBlock = 32;
+	bootDev.nReservedBlocks = 5;
+	bootDev.startBlock = 1; // Can't use block 0
+	bootDev.endBlock = 63; // Last block
+	//bootDev.useNANDECC = 0; // use YAFFS's ECC
+	bootDev.nShortOpCaches = 10; // Use caches
+	bootDev.genericDevice = (void *) 1;	// Used to identify the device in fstat.
+	bootDev.writeChunkWithTagsToNAND = yflash_WriteChunkWithTagsToNAND;
+	bootDev.readChunkWithTagsFromNAND = yflash_ReadChunkWithTagsFromNAND;
+	bootDev.eraseBlockInNAND = yflash_EraseBlockInNAND;
+	bootDev.initialiseNAND = yflash_InitialiseNAND;
+	bootDev.markNANDBlockBad = yflash_MarkNANDBlockBad;
+	bootDev.queryNANDBlock = yflash_QueryNANDBlock;
+
+
+
+	// /flash
+	// Set this puppy up to use
+	// the file emulation space as
+	// 2kpage/64chunk per block/128MB device
+	memset(&flashDev,0,sizeof(flashDev));
+
+	flashDev.nBytesPerChunk = 2048;
+	flashDev.nChunksPerBlock = 64;
+	flashDev.nReservedBlocks = 5;
+	flashDev.startBlock = 64; // First block after /boot
+	//flashDev.endBlock = 127; // Last block in 16MB
+	flashDev.endBlock = (512 * 1024 * 1024)/(flashDev.nBytesPerChunk * flashDev.nChunksPerBlock) - 1; // Last block in 512MB
+	flashDev.isYaffs2 = 1;
+	flashDev.nShortOpCaches = 10; // Use caches
+	flashDev.genericDevice = (void *) 2;	// Used to identify the device in fstat.
+	flashDev.writeChunkWithTagsToNAND = yflash_WriteChunkWithTagsToNAND;
+	flashDev.readChunkWithTagsFromNAND = yflash_ReadChunkWithTagsFromNAND;
+	flashDev.eraseBlockInNAND = yflash_EraseBlockInNAND;
+	flashDev.initialiseNAND = yflash_InitialiseNAND;
+	flashDev.markNANDBlockBad = yflash_MarkNANDBlockBad;
+	flashDev.queryNANDBlock = yflash_QueryNANDBlock;
+
+	yaffs_initialise(yaffsfs_config);
+	
+	return 0;
+}
+
+
+
+

new file mode 100644
--- /dev/null
+++ b/direct/yaffsfs.c
@@ -0,0 +1,1412 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system.
+ * yaffsfs.c  The interface functions for using YAFFS via a "direct" interface.
+ *
+ * Copyright (C) 2002 Aleph One Ltd.
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+ 
+#include "yaffsfs.h"
+#include "yaffs_guts.h"
+#include "yaffscfg.h"
+#include <string.h> // for memset
+#include "yportenv.h"
+
+#define YAFFSFS_MAX_SYMLINK_DEREFERENCES 5
+
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
+
+const char *yaffsfs_c_version="$Id$";
+
+// configurationList is the list of devices that are supported
+static yaffsfs_DeviceConfiguration *yaffsfs_configurationList;
+
+
+//
+// Directory search context
+//
+// NB this is an opaque structure.
+
+struct yaffsfs_ObjectListEntry
+{
+	int objectId;
+	struct yaffsfs_ObjectListEntry *next;
+};
+
+
+typedef struct
+{
+	__u32 magic;
+	yaffs_dirent de;
+	struct yaffsfs_ObjectListEntry *list;
+	char name[NAME_MAX+1];
+	
+} yaffsfs_DirectorySearchContext;
+
+
+// Handle management.
+// 
+
+typedef struct
+{
+	__u8  inUse:1;		// this handle is in use
+	__u8  readOnly:1;	// this handle is read only
+	__u8  append:1;		// append only
+	__u8  exclusive:1;	// exclusive
+	__u32 position;		// current position in file
+	yaffs_Object *obj;	// the object
+}yaffsfs_Handle;
+
+
+static yaffs_Object *yaffsfs_FindObject(yaffs_Object *relativeDirectory, const char *path, int symDepth);
+
+
+
+static yaffsfs_Handle yaffsfs_handle[YAFFSFS_N_HANDLES];
+
+// yaffsfs_InitHandle
+/// Inilitalise handles on start-up.
+//
+static int yaffsfs_InitHandles(void)
+{
+	int i;
+	for(i = 0; i < YAFFSFS_N_HANDLES; i++)
+	{
+		yaffsfs_handle[i].inUse = 0;
+		yaffsfs_handle[i].obj = NULL;
+	}
+	return 0;
+}
+
+yaffsfs_Handle *yaffsfs_GetHandlePointer(int h)
+{
+	if(h < 0 || h >= YAFFSFS_N_HANDLES)
+	{
+		return NULL;
+	}
+	
+	return &yaffsfs_handle[h];
+}
+
+yaffs_Object *yaffsfs_GetHandleObject(int handle)
+{
+	yaffsfs_Handle *h = yaffsfs_GetHandlePointer(handle);
+
+	if(h && h->inUse)
+	{
+		return h->obj;
+	}
+	
+	return NULL;
+}
+
+
+//yaffsfs_GetHandle
+// Grab a handle (when opening a file)
+//
+
+static int yaffsfs_GetHandle(void)
+{
+	int i;
+	yaffsfs_Handle *h;
+	
+	for(i = 0; i < YAFFSFS_N_HANDLES; i++)
+	{
+		h = yaffsfs_GetHandlePointer(i);
+		if(!h)
+		{
+			// todo bug: should never happen
+		}
+		if(!h->inUse)
+		{
+			memset(h,0,sizeof(yaffsfs_Handle));
+			h->inUse=1;
+			return i;
+		}
+	}
+	return -1;
+}
+
+// yaffs_PutHandle
+// Let go of a handle (when closing a file)
+//
+static int yaffsfs_PutHandle(int handle)
+{
+	yaffsfs_Handle *h = yaffsfs_GetHandlePointer(handle);
+	
+	if(h)
+	{
+		h->inUse = 0;
+		h->obj = NULL;
+	}
+	return 0;
+}
+
+
+
+// Stuff to search for a directory from a path
+
+
+int yaffsfs_Match(char a, char b)
+{
+	// case sensitive
+	return (a == b);
+}
+
+// yaffsfs_FindDevice
+// yaffsfs_FindRoot
+// Scan the configuration list to find the root.
+static yaffs_Device *yaffsfs_FindDevice(const char *path, char **restOfPath)
+{
+	yaffsfs_DeviceConfiguration *cfg = yaffsfs_configurationList;
+	const char *leftOver;
+	const char *p;
+	
+	while(cfg && cfg->prefix && cfg->dev)
+	{
+		leftOver = path;
+		p = cfg->prefix;
+		while(*p && *leftOver && yaffsfs_Match(*p,*leftOver))
+		{
+			p++;
+			leftOver++;
+		}
+		if(!*p)
+		{
+			// Matched prefix
+			*restOfPath = (char *)leftOver;
+			return cfg->dev;
+		}
+		cfg++;
+	}
+	return NULL;
+}
+
+static yaffs_Object *yaffsfs_FindRoot(const char *path, char **restOfPath)
+{
+
+	yaffs_Device *dev;
+	
+	dev= yaffsfs_FindDevice(path,restOfPath);
+	if(dev && dev->isMounted)
+	{
+		return dev->rootDir;
+	}
+	return NULL;
+}
+
+static yaffs_Object *yaffsfs_FollowLink(yaffs_Object *obj,int symDepth)
+{
+
+	while(obj && obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
+	{
+		char *alias = obj->variant.symLinkVariant.alias;
+						
+		if(*alias == '/')
+		{
+			// Starts with a /, need to scan from root up
+			obj = yaffsfs_FindObject(NULL,alias,symDepth++);
+		}
+		else
+		{
+			// Relative to here, so use the parent of the symlink as a start
+			obj = yaffsfs_FindObject(obj->parent,alias,symDepth++);
+		}
+	}
+	return obj;
+}
+
+
+// yaffsfs_FindDirectory
+// Parse a path to determine the directory and the name within the directory.
+//
+// eg. "/data/xx/ff" --> puts name="ff" and returns the directory "/data/xx"
+static yaffs_Object *yaffsfs_DoFindDirectory(yaffs_Object *startDir,const char *path,char **name,int symDepth)
+{
+	yaffs_Object *dir;
+	char *restOfPath;
+	char str[YAFFS_MAX_NAME_LENGTH+1];
+	int i;
+	
+	if(symDepth > YAFFSFS_MAX_SYMLINK_DEREFERENCES)
+	{
+		return NULL;
+	}
+	
+	if(startDir)
+	{
+		dir = startDir;
+		restOfPath = (char *)path;
+	}
+	else
+	{
+		dir = yaffsfs_FindRoot(path,&restOfPath);
+	}
+	
+	while(dir)
+	{	
+		// parse off /.
+		// curve ball: also throw away surplus '/' 
+		// eg. "/ram/x////ff" gets treated the same as "/ram/x/ff"
+		while(*restOfPath == '/')
+		{
+			restOfPath++; // get rid of '/'
+		}
+		
+		*name = restOfPath;
+		i = 0;
+		
+		while(*restOfPath && *restOfPath != '/')
+		{
+			if (i < YAFFS_MAX_NAME_LENGTH)
+			{
+				str[i] = *restOfPath;
+				str[i+1] = '\0';
+				i++;
+			}
+			restOfPath++;
+		}
+		
+		if(!*restOfPath)
+		{
+			// got to the end of the string
+			return dir;
+		}
+		else
+		{
+			if(strcmp(str,".") == 0)
+			{
+				// Do nothing
+			}
+			else if(strcmp(str,"..") == 0)
+			{
+				dir = dir->parent;
+			}
+			else
+			{
+				dir = yaffs_FindObjectByName(dir,str);
+				
+				while(dir && dir->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
+				{
+				
+					dir = yaffsfs_FollowLink(dir,symDepth);
+		
+				}
+				
+				if(dir && dir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
+				{
+					dir = NULL;
+				}
+			}
+		}
+	}
+	// directory did not exist.
+	return NULL;
+}
+
+static yaffs_Object *yaffsfs_FindDirectory(yaffs_Object *relativeDirectory,const char *path,char **name,int symDepth)
+{
+	return yaffsfs_DoFindDirectory(relativeDirectory,path,name,symDepth);
+}
+
+// yaffsfs_FindObject turns a path for an existing object into the object
+// 
+static yaffs_Object *yaffsfs_FindObject(yaffs_Object *relativeDirectory, const char *path,int symDepth)
+{
+	yaffs_Object *dir;
+	char *name;
+	
+	dir = yaffsfs_FindDirectory(relativeDirectory,path,&name,symDepth);
+	
+	if(dir && *name)
+	{
+		return yaffs_FindObjectByName(dir,name);
+	}
+	
+	return dir;
+}
+
+
+
+int yaffs_open(const char *path, int oflag, int mode)
+{
+	yaffs_Object *obj = NULL;
+	yaffs_Object *dir = NULL;
+	char *name;
+	int handle = -1;
+	yaffsfs_Handle *h = NULL;
+	int alreadyOpen = 0;
+	int alreadyExclusive = 0;
+	int openDenied = 0;
+	int symDepth = 0;
+	int errorReported = 0;
+	
+	int i;
+	
+	
+	// todo sanity check oflag (eg. can't have O_TRUNC without WRONLY or RDWR
+	
+	
+	yaffsfs_Lock();
+	
+	handle = yaffsfs_GetHandle();
+	
+	if(handle >= 0)
+	{
+
+		h = yaffsfs_GetHandlePointer(handle);
+	
+	
+		// try to find the exisiting object
+		obj = yaffsfs_FindObject(NULL,path,0);
+		
+		if(obj && obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
+		{
+		
+			obj = yaffsfs_FollowLink(obj,symDepth++);
+		}
+
+		if(obj)
+		{
+			// Check if the object is already in use
+			alreadyOpen = alreadyExclusive = 0;
+			
+			for(i = 0; i <= YAFFSFS_N_HANDLES; i++)
+			{
+				
+				if(i != handle &&
+				   yaffsfs_handle[i].inUse &&
+				    obj == yaffsfs_handle[i].obj)
+				 {
+				 	alreadyOpen = 1;
+					if(yaffsfs_handle[i].exclusive)
+					{
+						alreadyExclusive = 1;
+					}
+				 }
+			}
+
+			if(((oflag & O_EXCL) && alreadyOpen) || alreadyExclusive)
+			{
+				openDenied = 1;
+			}
+			
+			// Open should fail if O_CREAT and O_EXCL are specified
+			if((oflag & O_EXCL) && (oflag & O_CREAT))
+			{
+				openDenied = 1;
+				yaffsfs_SetError(-EEXIST);
+				errorReported = 1;
+			}
+			
+			// Check file permissions
+			if( (oflag & (O_RDWR | O_WRONLY)) == 0 &&     // ie O_RDONLY
+			   !(obj->st_mode & S_IREAD))
+			{
+				openDenied = 1;
+			}
+
+			if( (oflag & O_RDWR) && 
+			   !(obj->st_mode & S_IREAD))
+			{
+				openDenied = 1;
+			}
+
+			if( (oflag & (O_RDWR | O_WRONLY)) && 
+			   !(obj->st_mode & S_IWRITE))
+			{
+				openDenied = 1;
+			}
+			
+		}
+		
+		else if((oflag & O_CREAT))
+		{
+			// Let's see if we can create this file
+			dir = yaffsfs_FindDirectory(NULL,path,&name,0);
+			if(dir)
+			{
+				obj = yaffs_MknodFile(dir,name,mode,0,0);	
+			}
+			else
+			{
+				yaffsfs_SetError(-ENOTDIR);
+			}
+		}
+		
+		if(obj && !openDenied)
+		{
+			h->obj = obj;
+			h->inUse = 1;
+	    	h->readOnly = (oflag & (O_WRONLY | O_RDWR)) ? 0 : 1;
+			h->append =  (oflag & O_APPEND) ? 1 : 0;
+			h->exclusive = (oflag & O_EXCL) ? 1 : 0;
+			h->position = 0;
+			
+			obj->inUse++;
+			if((oflag & O_TRUNC) && !h->readOnly)
+			{
+				//todo truncate
+				yaffs_ResizeFile(obj,0);
+			}
+			
+		}
+		else
+		{
+			yaffsfs_PutHandle(handle);
+			if(!errorReported)
+			{
+				yaffsfs_SetError(-EACCESS);
+				errorReported = 1;
+			}
+			handle = -1;
+		}
+		
+	}
+	
+	yaffsfs_Unlock();
+	
+	return handle;		
+}
+
+int yaffs_close(int fd)
+{
+	yaffsfs_Handle *h = NULL;
+	int retVal = 0;
+	
+	yaffsfs_Lock();
+
+	h = yaffsfs_GetHandlePointer(fd);
+	
+	if(h && h->inUse)
+	{
+		// clean up
+		yaffs_FlushFile(h->obj,1);
+		h->obj->inUse--;
+		if(h->obj->inUse <= 0 && h->obj->unlinked)
+		{
+			yaffs_DeleteFile(h->obj);
+		}
+		yaffsfs_PutHandle(fd);
+		retVal = 0;
+	}
+	else
+	{
+		// bad handle
+		yaffsfs_SetError(-EBADF);		
+		retVal = -1;
+	}
+	
+	yaffsfs_Unlock();
+	
+	return retVal;
+}
+
+int yaffs_read(int fd, void *buf, unsigned int nbyte)
+{
+	yaffsfs_Handle *h = NULL;
+	yaffs_Object *obj = NULL;
+	int pos = 0;
+	int nRead = -1;
+	int maxRead;
+	
+	yaffsfs_Lock();
+	h = yaffsfs_GetHandlePointer(fd);
+	obj = yaffsfs_GetHandleObject(fd);
+	
+	if(!h || !obj)
+	{
+		// bad handle
+		yaffsfs_SetError(-EBADF);		
+	}
+	else if( h && obj)
+	{
+		pos=  h->position;
+		if(yaffs_GetObjectFileLength(obj) > pos)
+		{
+			maxRead = yaffs_GetObjectFileLength(obj) - pos;
+		}
+		else
+		{
+			maxRead = 0;
+		}
+
+		if(nbyte > maxRead)
+		{
+			nbyte = maxRead;
+		}
+
+		
+		if(nbyte > 0)
+		{
+			nRead = yaffs_ReadDataFromFile(obj,buf,pos,nbyte);
+			if(nRead >= 0)
+			{
+				h->position = pos + nRead;
+			}
+			else
+			{
+				//todo error
+			}
+		}
+		else
+		{
+			nRead = 0;
+		}
+		
+	}
+	
+	yaffsfs_Unlock();
+	
+	
+	return (nRead >= 0) ? nRead : -1;
+		
+}
+
+int yaffs_write(int fd, const void *buf, unsigned int nbyte)
+{
+	yaffsfs_Handle *h = NULL;
+	yaffs_Object *obj = NULL;
+	int pos = 0;
+	int nWritten = -1;
+	
+	yaffsfs_Lock();
+	h = yaffsfs_GetHandlePointer(fd);
+	obj = yaffsfs_GetHandleObject(fd);
+	
+	if(!h || !obj)
+	{
+		// bad handle
+		yaffsfs_SetError(-EBADF);		
+	}
+	else if( h && obj && h->readOnly)
+	{
+		// todo error
+	}
+	else if( h && obj)
+	{
+		if(h->append)
+		{
+			pos =  yaffs_GetObjectFileLength(obj);
+		}
+		else
+		{
+			pos = h->position;
+		}
+		
+		nWritten = yaffs_WriteDataToFile(obj,buf,pos,nbyte);
+		
+		if(nWritten >= 0)
+		{
+			h->position = pos + nWritten;
+		}
+		else
+		{
+			//todo error
+		}
+		
+	}
+	
+	yaffsfs_Unlock();
+	
+	
+	return (nWritten >= 0) ? nWritten : -1;
+
+}
+
+int yaffs_truncate(int fd, unsigned int newSize)
+{
+	yaffsfs_Handle *h = NULL;
+	yaffs_Object *obj = NULL;
+	int result = 0;
+	
+	yaffsfs_Lock();
+	h = yaffsfs_GetHandlePointer(fd);
+	obj = yaffsfs_GetHandleObject(fd);
+	
+	if(!h || !obj)
+	{
+		// bad handle
+		yaffsfs_SetError(-EBADF);		
+	}
+	else
+	{
+		// resize the file
+		result = yaffs_ResizeFile(obj,newSize);
+	}	
+	yaffsfs_Unlock();
+	
+	
+	return (result) ? 0 : -1;
+
+}
+
+off_t yaffs_lseek(int fd, off_t offset, int whence) 
+{
+	yaffsfs_Handle *h = NULL;
+	yaffs_Object *obj = NULL;
+	int pos = -1;
+	int fSize = -1;
+	
+	yaffsfs_Lock();
+	h = yaffsfs_GetHandlePointer(fd);
+	obj = yaffsfs_GetHandleObject(fd);
+	
+	if(!h || !obj)
+	{
+		// bad handle
+		yaffsfs_SetError(-EBADF);		
+	}
+	else if(whence == SEEK_SET)
+	{
+		if(offset >= 0)
+		{
+			pos = offset;
+		}
+	}
+	else if(whence == SEEK_CUR)
+	{
+		if( (h->position + offset) >= 0)
+		{
+			pos = (h->position + offset);
+		}
+	}
+	else if(whence == SEEK_END)
+	{
+		fSize = yaffs_GetObjectFileLength(obj);
+		if(fSize >= 0 && (fSize + offset) >= 0)
+		{
+			pos = fSize + offset;
+		}
+	}
+	
+	if(pos >= 0)
+	{
+		h->position = pos;
+	}
+	else
+	{
+		// todo error
+	}
+
+	
+	yaffsfs_Unlock();
+	
+	return pos;
+}
+
+
+int yaffsfs_DoUnlink(const char *path,int isDirectory) 
+{
+	yaffs_Object *dir = NULL;
+	yaffs_Object *obj = NULL;
+	char *name;
+	int result = YAFFS_FAIL;
+	
+	yaffsfs_Lock();
+
+	obj = yaffsfs_FindObject(NULL,path,0);
+	dir = yaffsfs_FindDirectory(NULL,path,&name,0);
+	if(!dir)
+	{
+		yaffsfs_SetError(-ENOTDIR);
+	}
+	else if(!obj)
+	{
+		yaffsfs_SetError(-ENOENT);
+	}
+	else if(!isDirectory && obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY)
+	{
+		yaffsfs_SetError(-EISDIR);
+	}
+	else if(isDirectory && obj->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
+	{
+		yaffsfs_SetError(-ENOTDIR);
+	}
+	else if(isDirectory && obj->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
+	{
+		yaffsfs_SetError(-ENOTDIR);
+	}
+	else
+	{
+		result = yaffs_Unlink(dir,name);
+		
+		if(result == YAFFS_FAIL && isDirectory)
+		{
+			yaffsfs_SetError(-ENOTEMPTY);
+		}
+	}
+	
+	yaffsfs_Unlock();
+	
+	// todo error
+	
+	return (result == YAFFS_FAIL) ? -1 : 0;
+}
+int yaffs_rmdir(const char *path) 
+{
+	return yaffsfs_DoUnlink(path,1);
+}
+
+int yaffs_unlink(const char *path) 
+{
+	return yaffsfs_DoUnlink(path,0);
+}
+
+int yaffs_rename(const char *oldPath, const char *newPath)
+{
+	yaffs_Object *olddir = NULL;
+	yaffs_Object *newdir = NULL;
+	yaffs_Object *obj = NULL;
+	char *oldname;
+	char *newname;
+	int result= YAFFS_FAIL;
+	int renameAllowed = 1;
+	
+	yaffsfs_Lock();
+	
+	olddir = yaffsfs_FindDirectory(NULL,oldPath,&oldname,0);
+	newdir = yaffsfs_FindDirectory(NULL,newPath,&newname,0);
+	obj = yaffsfs_FindObject(NULL,oldPath,0);
+	
+	if(!olddir || !newdir || !obj)
+	{
+		// bad file
+		yaffsfs_SetError(-EBADF);	
+		renameAllowed = 0;	
+	}
+	else if(olddir->myDev != newdir->myDev)
+	{
+		// oops must be on same device
+		// todo error
+		yaffsfs_SetError(-EXDEV);
+		renameAllowed = 0;	
+	}
+	else if(obj && obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY)
+	{
+		// It is a directory, check that it is not being renamed to 
+		// being its own decendent.
+		// Do this by tracing from the new directory back to the root, checking for obj
+		
+		yaffs_Object *xx = newdir;
+		
+		while( renameAllowed && xx)
+		{
+			if(xx == obj)
+			{
+				renameAllowed = 0;
+			}
+			xx = xx->parent;
+		}
+		if(!renameAllowed) yaffsfs_SetError(-EACCESS);
+	}
+	
+	if(renameAllowed)
+	{
+		result = yaffs_RenameObject(olddir,oldname,newdir,newname);
+	}
+	
+	yaffsfs_Unlock();
+	
+	return (result == YAFFS_FAIL) ? -1 : 0;	
+}
+
+
+static int yaffsfs_DoStat(yaffs_Object *obj,struct yaffs_stat *buf)
+{
+	int retVal = -1;
+
+	if(obj)
+	{
+		obj = yaffs_GetEquivalentObject(obj);
+	}
+
+	if(obj && buf)
+	{
+    	buf->st_dev = (int)obj->myDev->genericDevice;
+    	buf->st_ino = obj->objectId;
+    	buf->st_mode = obj->st_mode & ~S_IFMT; // clear out file type bits
+	
+		if(obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY) 
+		{
+			buf->st_mode |= S_IFDIR;
+		}
+		else if(obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) 
+		{
+			buf->st_mode |= S_IFLNK;
+		}
+		else if(obj->variantType == YAFFS_OBJECT_TYPE_FILE)
+		{
+			buf->st_mode |= S_IFREG;
+		}
+		
+    	buf->st_nlink = yaffs_GetObjectLinkCount(obj);
+    	buf->st_uid = 0;    
+    	buf->st_gid = 0;;     
+    	buf->st_rdev = obj->st_rdev;
+    	buf->st_size = yaffs_GetObjectFileLength(obj);
+		buf->st_blksize = obj->myDev->nBytesPerChunk;
+    	buf->st_blocks = (buf->st_size + buf->st_blksize -1)/buf->st_blksize;
+    	buf->st_atime = obj->st_atime; 
+    	buf->st_ctime = obj->st_ctime; 
+    	buf->st_mtime = obj->st_mtime; 
+		retVal = 0;
+	}
+	return retVal;
+}
+
+static int yaffsfs_DoStatOrLStat(const char *path, struct yaffs_stat *buf,int doLStat)
+{
+	yaffs_Object *obj;
+	
+	int retVal = -1;
+	
+	yaffsfs_Lock();
+	obj = yaffsfs_FindObject(NULL,path,0);
+	
+	if(!doLStat && obj)
+	{
+		obj = yaffsfs_FollowLink(obj,0);
+	}
+	
+	if(obj)
+	{
+		retVal = yaffsfs_DoStat(obj,buf);
+	}
+	else
+	{
+		// todo error not found
+		yaffsfs_SetError(-ENOENT);
+	}
+	
+	yaffsfs_Unlock();
+	
+	return retVal;
+	
+}
+
+int yaffs_stat(const char *path, struct yaffs_stat *buf)
+{
+	return yaffsfs_DoStatOrLStat(path,buf,0);
+}
+
+int yaffs_lstat(const char *path, struct yaffs_stat *buf)
+{
+	return yaffsfs_DoStatOrLStat(path,buf,1);
+}
+
+int yaffs_fstat(int fd, struct yaffs_stat *buf)
+{
+	yaffs_Object *obj;
+	
+	int retVal = -1;
+	
+	yaffsfs_Lock();
+	obj = yaffsfs_GetHandleObject(fd);
+	
+	if(obj)
+	{
+		retVal = yaffsfs_DoStat(obj,buf);
+	}
+	else
+	{
+		// bad handle
+		yaffsfs_SetError(-EBADF);		
+	}
+	
+	yaffsfs_Unlock();
+	
+	return retVal;
+}
+
+static int yaffsfs_DoChMod(yaffs_Object *obj,mode_t mode)
+{
+	int result;
+
+	if(obj)
+	{
+		obj = yaffs_GetEquivalentObject(obj);
+	}
+	
+	if(obj)
+	{
+		obj->st_mode = mode;
+		obj->dirty = 1;
+		result = yaffs_FlushFile(obj,0);
+	}
+	
+	return result == YAFFS_OK ? 0 : -1;
+}
+
+
+int yaffs_chmod(const char *path, mode_t mode)
+{
+	yaffs_Object *obj;
+	
+	int retVal = -1;
+	
+	yaffsfs_Lock();
+	obj = yaffsfs_FindObject(NULL,path,0);
+	
+	if(obj)
+	{
+		retVal = yaffsfs_DoChMod(obj,mode);
+	}
+	else
+	{
+		// todo error not found
+		yaffsfs_SetError(-ENOENT);
+	}
+	
+	yaffsfs_Unlock();
+	
+	return retVal;
+	
+}
+
+
+int yaffs_fchmod(int fd, mode_t mode)
+{
+	yaffs_Object *obj;
+	
+	int retVal = -1;
+	
+	yaffsfs_Lock();
+	obj = yaffsfs_GetHandleObject(fd);
+	
+	if(obj)
+	{
+		retVal = yaffsfs_DoChMod(obj,mode);
+	}
+	else
+	{
+		// bad handle
+		yaffsfs_SetError(-EBADF);		
+	}
+	
+	yaffsfs_Unlock();
+	
+	return retVal;
+}
+
+
+int yaffs_mkdir(const char *path, mode_t mode)
+{
+	yaffs_Object *parent = NULL;
+	yaffs_Object *dir;
+	char *name;
+	int retVal= -1;
+	
+	yaffsfs_Lock();
+	parent = yaffsfs_FindDirectory(NULL,path,&name,0);
+	dir = yaffs_MknodDirectory(parent,name,mode,0,0);
+	if(dir)
+	{
+		retVal = 0;
+	}
+	else
+	{
+		yaffsfs_SetError(-ENOSPC); // just assume no space for now
+		retVal = -1;
+	}
+	
+	yaffsfs_Unlock();
+	
+	return retVal;
+}
+
+int yaffs_mount(const char *path)
+{
+	int retVal=-1;
+	int result=YAFFS_FAIL;
+	yaffs_Device *dev=NULL;
+	char *dummy;
+	
+	T(YAFFS_TRACE_ALWAYS,("yaffs: Mounting %s\n",path));
+	
+	yaffsfs_Lock();
+	dev = yaffsfs_FindDevice(path,&dummy);
+	if(dev)
+	{
+		if(!dev->isMounted)
+		{
+			result = yaffs_GutsInitialise(dev);
+			if(result == YAFFS_FAIL)
+			{
+				// todo error - mount failed
+				yaffsfs_SetError(-ENOMEM);
+			}
+			retVal = result ? 0 : -1;
+			
+		}
+		else
+		{
+			//todo error - already mounted.
+			yaffsfs_SetError(-EBUSY);
+		}
+	}
+	else
+	{
+		// todo error - no device
+		yaffsfs_SetError(-ENODEV);
+	}
+	yaffsfs_Unlock();
+	return retVal;
+	
+}
+
+int yaffs_unmount(const char *path)
+{
+	int retVal=-1;
+	yaffs_Device *dev=NULL;
+	char *dummy;
+	
+	yaffsfs_Lock();
+	dev = yaffsfs_FindDevice(path,&dummy);
+	if(dev)
+	{
+		if(dev->isMounted)
+		{
+			int i;
+			int inUse;
+			for(i = inUse = 0; i < YAFFSFS_N_HANDLES && !inUse; i++)
+			{
+				if(yaffsfs_handle[i].inUse && yaffsfs_handle[i].obj->myDev == dev)
+				{
+					inUse = 1; // the device is in use, can't unmount
+				}
+			}
+			
+			if(!inUse)
+			{
+				yaffs_Deinitialise(dev);
+					
+				retVal = 0;
+			}
+			else
+			{
+				// todo error can't unmount as files are open
+				yaffsfs_SetError(-EBUSY);
+			}
+			
+		}
+		else
+		{
+			//todo error - not mounted.
+			yaffsfs_SetError(-EINVAL);
+			
+		}
+	}
+	else
+	{
+		// todo error - no device
+		yaffsfs_SetError(-ENODEV);
+	}	
+	yaffsfs_Unlock();
+	return retVal;
+	
+}
+
+off_t yaffs_freespace(const char *path)
+{
+	off_t retVal=-1;
+	yaffs_Device *dev=NULL;
+	char *dummy;
+	
+	yaffsfs_Lock();
+	dev = yaffsfs_FindDevice(path,&dummy);
+	if(dev)
+	{
+		retVal = yaffs_GetNumberOfFreeChunks(dev);
+		retVal *= dev->nBytesPerChunk;
+		
+	}
+	else
+	{
+		yaffsfs_SetError(-EINVAL);
+	}
+	
+	yaffsfs_Unlock();
+	return retVal;	
+}
+
+void yaffs_initialise(yaffsfs_DeviceConfiguration *cfgList)
+{
+	
+	yaffsfs_DeviceConfiguration *cfg;
+	
+	yaffsfs_configurationList = cfgList;
+	
+	yaffsfs_InitHandles();
+	
+	cfg = yaffsfs_configurationList;
+	
+	while(cfg && cfg->prefix && cfg->dev)
+	{
+		cfg->dev->isMounted = 0;
+		cfg++;
+	}
+	
+	
+}
+
+
+//
+// Directory search stuff.
+
+yaffs_DIR *yaffs_opendir(const char *dirname)
+{
+	yaffs_DIR *dir = NULL;
+ 	yaffs_Object *obj = NULL;
+	yaffsfs_DirectorySearchContext *dsc = NULL;
+	
+	yaffsfs_Lock();
+	
+	obj = yaffsfs_FindObject(NULL,dirname,0);
+	
+	if(obj && obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY)
+	{
+		
+		dsc = YMALLOC(sizeof(yaffsfs_DirectorySearchContext));
+		dir = (yaffs_DIR *)dsc;
+		if(dsc)
+		{
+			dsc->magic = YAFFS_MAGIC;
+			dsc->list = NULL;
+			memset(dsc->name,0,NAME_MAX+1);
+			strncpy(dsc->name,dirname,NAME_MAX);
+		}
+	
+	}
+	
+	yaffsfs_Unlock();
+	
+	return dir;
+}
+
+struct yaffs_dirent *yaffs_readdir(yaffs_DIR *dirp)
+{
+	yaffsfs_DirectorySearchContext *dsc = (yaffsfs_DirectorySearchContext *)dirp;
+	struct yaffs_dirent *retVal = NULL;
+	struct list_head *i;	
+	yaffs_Object *entry = NULL;
+	int offset;
+	yaffs_Object *obj = NULL;
+	struct yaffsfs_ObjectListEntry *list = NULL;
+	int inList = 0;
+		
+	yaffsfs_Lock();
+	
+	offset = -1;
+	
+	if(dsc && dsc->magic == YAFFS_MAGIC)
+	{
+		yaffsfs_SetError(0);
+		
+		obj = yaffsfs_FindObject(NULL,dsc->name,0);
+	
+		if(obj && obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY)
+		{
+			
+			list_for_each(i,&obj->variant.directoryVariant.children)
+			{		
+					offset++;
+					entry = (i) ?  list_entry(i, yaffs_Object,siblings) : NULL;
+			
+					if(entry)
+					{
+						list = dsc->list;
+						inList = 0;
+						while(list && !inList)
+						{
+							if(list->objectId == entry->objectId)
+							{
+								inList = 1;
+							}
+							list = list->next;
+						}
+						
+						if(!inList) goto foundNew;
+					}
+				
+			}
+			
+			foundNew:
+			
+			if(!inList && entry)
+			{
+				//This is the entry we're going to return;
+				struct yaffsfs_ObjectListEntry *le;
+				
+				le = YMALLOC(sizeof(struct yaffsfs_ObjectListEntry));
+				
+				if(le)
+				{
+					le->next =  dsc->list;
+					le->objectId = entry->objectId;
+					dsc->list = le;
+					
+					dsc->de.d_ino = yaffs_GetEquivalentObject(entry)->objectId;
+					dsc->de.d_off = offset;
+					yaffs_GetObjectName(entry,dsc->de.d_name,NAME_MAX+1);
+					dsc->de.d_reclen = sizeof(struct yaffs_dirent);
+					
+					retVal = &dsc->de;
+				}
+				
+			}
+		}
+
+	}
+	else
+	{
+		yaffsfs_SetError(-EBADF);
+	}
+	
+	yaffsfs_Unlock();
+	
+	return retVal;
+	
+}
+
+void yaffsfs_ListClear(yaffsfs_DirectorySearchContext *dsc) 
+{
+	
+	struct yaffsfs_ObjectListEntry *le;
+	
+	if(dsc && dsc->magic == YAFFS_MAGIC)
+	{
+		while(dsc->list)
+		{
+			le = dsc->list;
+			dsc->list = dsc->list->next;
+			YFREE(le);
+		}
+	}
+	
+}
+
+void yaffs_rewinddir(yaffs_DIR *dirp)
+{
+	yaffsfs_DirectorySearchContext *dsc = (yaffsfs_DirectorySearchContext *)dirp;
+		
+	yaffsfs_Lock();
+	yaffsfs_ListClear(dsc);
+	yaffsfs_Unlock();
+}
+
+
+int yaffs_closedir(yaffs_DIR *dirp)
+{
+	yaffsfs_DirectorySearchContext *dsc = (yaffsfs_DirectorySearchContext *)dirp;
+		
+	yaffsfs_Lock();
+	yaffsfs_ListClear(dsc);
+	dsc->magic = 0;
+	YFREE(dsc);
+	yaffsfs_Unlock();
+	return 0;
+}
+
+
+
+int yaffs_symlink(const char *oldpath, const char *newpath)
+{
+	yaffs_Object *parent = NULL;
+	yaffs_Object *obj;
+	char *name;
+	int retVal= -1;
+	int mode = 0; // ignore for now
+	
+	yaffsfs_Lock();
+	parent = yaffsfs_FindDirectory(NULL,newpath,&name,0);
+	obj = yaffs_MknodSymLink(parent,name,mode,0,0,oldpath);
+	if(obj)
+	{
+		retVal = 0;
+	}
+	else
+	{
+		yaffsfs_SetError(-ENOSPC); // just assume no space for now
+		retVal = -1;
+	}
+	
+	yaffsfs_Unlock();
+	
+	return retVal;
+	
+}
+
+int yaffs_readlink(const char *path, char *buf, int bufsiz)
+{
+	yaffs_Object *obj = NULL;
+	int retVal;
+
+		
+	yaffsfs_Lock();
+	
+	obj = yaffsfs_FindObject(NULL,path,0);
+	
+	if(!obj)
+	{
+		yaffsfs_SetError(-ENOENT);
+		retVal = -1;
+	}
+	else if(obj->variantType != YAFFS_OBJECT_TYPE_SYMLINK)
+	{
+		yaffsfs_SetError(-EINVAL);
+		retVal = -1;
+	}
+	else
+	{
+		char *alias = obj->variant.symLinkVariant.alias;
+		memset(buf,0,bufsiz);
+		strncpy(buf,alias,bufsiz - 1);
+		retVal = 0;
+	}
+	yaffsfs_Unlock();
+	return retVal;
+}
+
+int yaffs_link(const char *oldpath, const char *newpath); 
+int yaffs_mknod(const char *pathname, mode_t mode, dev_t dev);
+
+int yaffs_DumpDevStruct(const char *path)
+{
+	char *rest;
+	
+	yaffs_Object *obj = yaffsfs_FindRoot(path,&rest);
+	
+	if(obj)
+	{
+		yaffs_Device *dev = obj->myDev;
+		
+		printf("\n"
+			   "nPageWrites.......... %d\n"
+			   "nPageReads........... %d\n"
+			   "nBlockErasures....... %d\n"
+			   "nGCCopies............ %d\n"
+			   "garbageCollections... %d\n"
+			   "passiveGarbageColl'ns %d\n"
+			   "\n",
+				dev->nPageWrites,
+				dev->nPageReads,
+				dev->nBlockErasures,
+				dev->nGCCopies,
+				dev->garbageCollections,
+				dev->passiveGarbageCollections
+		);
+		
+	}
+	return 0;
+}
+