#include "yportenv.h"
#include "yaffs_trace.h"
-#include <string.h> /* for memset */
+#include "string.h"
#define YAFFSFS_MAX_SYMLINK_DEREFERENCES 5
u8 shareWrite:1;
int inodeId:12; /* Index to corresponding yaffsfs_Inode */
int handleCount:10; /* Number of handles for this fd */
- u32 position; /* current position in file */
+ loff_t position; /* current position in file */
}yaffsfs_FileDes;
typedef struct {
/*
* Stuff to handle names.
*/
-
+#ifdef CONFIG_YAFFS_CASE_INSENSITIVE
+
+static int yaffs_toupper(YCHAR a)
+{
+ if(a >= 'a' && a <= 'z')
+ return (a - 'a') + 'A';
+ else
+ return a;
+}
+int yaffsfs_Match(YCHAR a, YCHAR b)
+{
+ return (yaffs_toupper(a) == yaffs_toupper(b));
+}
+#else
int yaffsfs_Match(YCHAR a, YCHAR b)
{
/* case sensitive */
return (a == b);
}
+#endif
int yaffsfs_IsPathDivider(YCHAR ch)
{
{
int retVal = 0;
- int nameLength = strnlen(name,YAFFS_MAX_NAME_LENGTH+1);
+ int nameLength = yaffs_strnlen(name,YAFFS_MAX_NAME_LENGTH+1);
if(nameLength == 0){
yaffsfs_SetError(-ENOENT);
* We will use 3 * max name length instead.
*/
*ret_path = NULL;
- path_length = strnlen(path,(YAFFS_MAX_NAME_LENGTH+1)*3 +1);
+ path_length = yaffs_strnlen(path,(YAFFS_MAX_NAME_LENGTH+1)*3 +1);
/* If the last character is a path divider, then we need to
* trim it back so that the name look-up works properly.
alt_path = kmalloc(path_length + 1, 0);
if(!alt_path)
return -1;
- strcpy(alt_path, path);
+ yaffs_strcpy(alt_path, path);
for(i = path_length-1;
i >= 0 && yaffsfs_IsPathDivider(alt_path[i]);
i--)
/* got to the end of the string */
return dir;
else{
- if(strcmp(str,_Y(".")) == 0){
+ if(yaffs_strcmp(str,_Y(".")) == 0){
/* Do nothing */
- } else if(strcmp(str,_Y("..")) == 0) {
+ } else if(yaffs_strcmp(str,_Y("..")) == 0) {
dir = dir->parent;
} else{
dir = yaffs_find_by_name(dir,str);
-int yaffsfs_do_read(int handle, void *vbuf, unsigned int nbyte, int isPread, int offset)
+int yaffsfs_do_read(int handle, void *vbuf, unsigned int nbyte, int isPread, loff_t offset)
{
yaffsfs_FileDes *fd = NULL;
struct yaffs_obj *obj = NULL;
- int pos = 0;
- int startPos = 0;
- int endPos = 0;
+ loff_t pos = 0;
+ loff_t startPos = 0;
+ loff_t endPos = 0;
int nRead = 0;
int nToRead = 0;
int totalRead = 0;
- unsigned int maxRead;
+ loff_t maxRead;
u8 *buf = (u8 *)vbuf;
if(!vbuf){
return yaffsfs_do_read(handle, buf, nbyte, 0, 0);
}
-int yaffs_pread(int handle, void *buf, unsigned int nbyte, unsigned int offset)
+int yaffs_pread(int handle, void *buf, unsigned int nbyte, loff_t offset)
{
return yaffsfs_do_read(handle, buf, nbyte, 1, offset);
}
-int yaffsfs_do_write(int handle, const void *vbuf, unsigned int nbyte, int isPwrite, int offset)
+int yaffsfs_do_write(int handle, const void *vbuf, unsigned int nbyte, int isPwrite, loff_t offset)
{
yaffsfs_FileDes *fd = NULL;
struct yaffs_obj *obj = NULL;
- int pos = 0;
- int startPos = 0;
- int endPos;
+ loff_t pos = 0;
+ loff_t startPos = 0;
+ loff_t endPos;
int nWritten = 0;
int totalWritten = 0;
int write_trhrough = 0;
return yaffsfs_do_write(fd, buf, nbyte, 0, 0);
}
-int yaffs_pwrite(int fd, const void *buf, unsigned int nbyte, unsigned int offset)
+int yaffs_pwrite(int fd, const void *buf, unsigned int nbyte, loff_t offset)
{
return yaffsfs_do_write(fd, buf, nbyte, 1, offset);
}
-int yaffs_truncate(const YCHAR *path,off_t new_size)
+int yaffs_truncate(const YCHAR *path,loff_t new_size)
{
struct yaffs_obj *obj = NULL;
struct yaffs_obj *dir = NULL;
else if(new_size < 0 || new_size > YAFFS_MAX_FILE_SIZE)
yaffsfs_SetError(-EINVAL);
else
- result = yaffs_resize_file(obj,new_size);
+ result = yaffs_resize_file(obj, new_size);
yaffsfs_Unlock();
return (result) ? 0 : -1;
}
-int yaffs_ftruncate(int handle, off_t new_size)
+int yaffs_ftruncate(int handle, loff_t new_size)
{
yaffsfs_FileDes *fd = NULL;
struct yaffs_obj *obj = NULL;
yaffsfs_SetError(-EINVAL);
else
/* resize the file */
- result = yaffs_resize_file(obj,new_size);
+ result = yaffs_resize_file(obj, new_size);
yaffsfs_Unlock();
return (result) ? 0 : -1;
}
-off_t yaffs_lseek(int handle, off_t offset, int whence)
+loff_t yaffs_lseek(int handle, loff_t offset, int whence)
{
yaffsfs_FileDes *fd = NULL;
struct yaffs_obj *obj = NULL;
- int pos = -1;
- int fSize = -1;
+ loff_t pos = -1;
+ loff_t fSize = -1;
yaffsfs_Lock();
fd = yaffsfs_HandleToFileDes(handle);
yaffsfs_SetError(-ELOOP);
else if(!dir)
yaffsfs_SetError(-ENOENT);
- else if(strncmp(name,_Y("."),2) == 0)
+ else if(yaffs_strncmp(name,_Y("."),2) == 0)
yaffsfs_SetError(-EINVAL);
else if(!obj)
yaffsfs_SetError(-ENOENT);
} else if(oldLoop || newLoop) {
yaffsfs_SetError(-ELOOP);
rename_allowed = 0;
- } else if (olddir && oldname && strncmp(oldname, _Y("."),2) == 0){
+ } else if (olddir && oldname && yaffs_strncmp(oldname, _Y("."),2) == 0){
yaffsfs_SetError(-EINVAL);
rename_allowed = 0;
}else if(!olddir || !newdir || !obj) {
yaffsfs_SetError(-ENOENT);
else if(yaffsfs_TooManyObjects(parent->my_dev))
yaffsfs_SetError(-ENFILE);
- else if(strnlen(name,5) == 0){
+ else if(yaffs_strnlen(name,5) == 0){
/* Trying to make the root itself */
yaffsfs_SetError(-EEXIST);
} else if(parent->my_dev->read_only)
return (void *)dev;
}
-int yaffs_mount2(const YCHAR *path,int read_only)
+int yaffs_mount_common(const YCHAR *path,int read_only, int skip_checkpt)
{
int retVal=-1;
int result=YAFFS_FAIL;
if(dev){
if(!dev->is_mounted){
dev->read_only = read_only ? 1 : 0;
- result = yaffs_guts_initialise(dev);
+ if(skip_checkpt) {
+ u8 skip = dev->param.skip_checkpt_rd;
+ dev->param.skip_checkpt_rd = 1;
+ result = yaffs_guts_initialise(dev);
+ dev->param.skip_checkpt_rd = skip;
+ } else {
+ result = yaffs_guts_initialise(dev);
+ }
+
if(result == YAFFS_FAIL)
yaffsfs_SetError(-ENOMEM);
retVal = result ? 0 : -1;
}
+int yaffs_mount2(const YCHAR *path, int readonly)
+{
+ return yaffs_mount_common(path, readonly, 0);
+}
int yaffs_mount(const YCHAR *path)
{
- return yaffs_mount2(path,0);
+ return yaffs_mount_common(path, 0, 0);
}
int yaffs_sync(const YCHAR *path)
void yaffs_add_device(struct yaffs_dev *dev)
{
+ struct list_head *cfg;
+ /* First check that the device is not in the list. */
+
+ list_for_each(cfg, &yaffsfs_deviceList){
+ if(dev == list_entry(cfg, struct yaffs_dev, dev_list))
+ return;
+ }
+
dev->is_mounted = 0;
dev->param.remove_obj_fn = yaffsfs_RemoveObjectCallback;
memset(dsc,0,sizeof(yaffsfs_DirectorySearchContext));
dsc->magic = YAFFS_MAGIC;
dsc->dirObj = obj;
- strncpy(dsc->name,dirname,NAME_MAX);
+ yaffs_strncpy(dsc->name,dirname,NAME_MAX);
INIT_LIST_HEAD(&dsc->others);
if(!search_contexts.next)
dsc->de.d_dont_use = (unsigned)dsc->nextReturn;
dsc->de.d_off = dsc->offset++;
yaffs_get_obj_name(dsc->nextReturn,dsc->de.d_name,NAME_MAX);
- if(strnlen(dsc->de.d_name,NAME_MAX+1) == 0)
+ if(yaffs_strnlen(dsc->de.d_name,NAME_MAX+1) == 0)
{
/* this should not happen! */
- strcpy(dsc->de.d_name,_Y("zz"));
+ yaffs_strcpy(dsc->de.d_name,_Y("zz"));
}
dsc->de.d_reclen = sizeof(struct yaffs_dirent);
retVal = &dsc->de;
yaffsfs_SetError(-ENOTDIR);
else if(loop)
yaffsfs_SetError(-ELOOP);
- else if( !parent || strnlen(name,5) < 1)
+ else if( !parent || yaffs_strnlen(name,5) < 1)
yaffsfs_SetError(-ENOENT);
else if(yaffsfs_TooManyObjects(parent->my_dev))
yaffsfs_SetError(-ENFILE);
else {
YCHAR *alias = obj->variant.symlink_variant.alias;
memset(buf,0,bufsiz);
- strncpy(buf,alias,bufsiz - 1);
+ yaffs_strncpy(buf,alias,bufsiz - 1);
retVal = 0;
}
yaffsfs_Unlock();
projects / yaffs2.git / blobdiff