fs/yaffs2/yaffsfs.c

34 					    const YCHAR *path,
439 static int yaffsfs_alt_dir_path(const YCHAR *path, YCHAR **ret_path)
446 	 * We don't have a definition for max path length.
450 	path_length = yaffs_strnlen(path, (YAFFS_MAX_NAME_LENGTH + 1) * 3 + 1);
452 	/* If the last character is a path divider, then we need to
455 	 * Curveball: Need to handle multiple path dividers:
458 	if (path_length > 0 && yaffsfs_IsPathDivider(path[path_length - 1])) {
462 		yaffs_strcpy(alt_path, path);
480 static struct yaffs_dev *yaffsfs_FindDevice(const YCHAR *path,
499 		leftOver = path;
550 static int yaffsfs_CheckPath(const YCHAR *path)
555 	while (*path && n < YAFFS_MAX_NAME_LENGTH && divs < 100) {
556 		if (yaffsfs_IsPathDivider(*path)) {
561 		path++;
564 	return (*path) ? -1 : 0;
567 /* FindMountPoint only returns a dev entry if the path is a mount point */
568 static struct yaffs_dev *yaffsfs_FindMountPoint(const YCHAR *path)
573 	dev = yaffsfs_FindDevice(path, &restOfPath);
579 static struct yaffs_obj *yaffsfs_FindRoot(const YCHAR *path,
584 	dev = yaffsfs_FindDevice(path, restOfPath);
618  * Parse a path to determine the directory and the name within the directory.
623 						 const YCHAR *path,
640 		restOfPath = (YCHAR *) path;
642 		dir = yaffsfs_FindRoot(path, &restOfPath);
693 					       const YCHAR *path,
698 	return yaffsfs_DoFindDirectory(relDir, path, name, symDepth, notDir,
703  * yaffsfs_FindObject turns a path for an existing object into the object
706 					    const YCHAR *path, int symDepth,
716 	    yaffsfs_FindDirectory(relDir, path, &name, symDepth, notDir, loop);
774 int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int sharing)
796 	if (!path) {
801 	if (yaffsfs_CheckPath(path) < 0) {
833 		obj = yaffsfs_FindObject(NULL, path, 0, 1, NULL, NULL, NULL);
924 			dir = yaffsfs_FindDirectory(NULL, path, &name, 0,
997 int yaffs_open(const YCHAR *path, int oflag, int mode)
999 	return yaffs_open_sharing(path, oflag, mode,
1305 int yaffs_truncate(const YCHAR *path, loff_t new_size)
1313 	if (!path) {
1318 	if (yaffsfs_CheckPath(path) < 0) {
1325 	obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, &notDir, &loop);
1419 int yaffsfs_DoUnlink(const YCHAR *path, int isDirectory)
1428 	if (!path) {
1433 	if (yaffsfs_CheckPath(path) < 0) {
1440 	obj = yaffsfs_FindObject(NULL, path, 0, 0, NULL, NULL, NULL);
1441 	dir = yaffsfs_FindDirectory(NULL, path, &name, 0, &notDir, &loop);
1475 int yaffs_unlink(const YCHAR *path)
1477 	return yaffsfs_DoUnlink(path, 0);
1524 	 * path ended with a "/" then the olddir == obj.
1627 static int yaffsfs_DoStatOrLStat(const YCHAR *path,
1636 	if (!path || !buf) {
1641 	if (yaffsfs_CheckPath(path) < 0) {
1648 	obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, &notDir, &loop);
1668 int yaffs_stat(const YCHAR *path, struct yaffs_stat *buf)
1670 	return yaffsfs_DoStatOrLStat(path, buf, 0);
1673 int yaffs_lstat(const YCHAR *path, struct yaffs_stat *buf)
1675 	return yaffsfs_DoStatOrLStat(path, buf, 1);
1735 int yaffs_utime(const YCHAR *path, const struct yaffs_utimbuf *buf)
1743 	if (!path) {
1748 	if (yaffsfs_CheckPath(path) < 0) {
1755 	obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, &notDir, &loop);
1795 static int yaffs_do_setxattr(const YCHAR *path, const char *name,
1805 	if (!path || !name || !data) {
1810 	if (yaffsfs_CheckPath(path) < 0) {
1817 	obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, &notDir, &loop);
1842 int yaffs_setxattr(const YCHAR *path, const char *name,
1845 	return yaffs_do_setxattr(path, name, data, size, flags, 1);
1848 int yaffs_lsetxattr(const YCHAR *path, const char *name,
1851 	return yaffs_do_setxattr(path, name, data, size, flags, 0);
1884 static int yaffs_do_getxattr(const YCHAR *path, const char *name,
1893 	if (!path || !name || !data) {
1898 	if (yaffsfs_CheckPath(path) < 0) {
1905 	obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, &notDir, &loop);
1929 int yaffs_getxattr(const YCHAR *path, const char *name, void *data, int size)
1931 	return yaffs_do_getxattr(path, name, data, size, 1);
1934 int yaffs_lgetxattr(const YCHAR *path, const char *name, void *data, int size)
1936 	return yaffs_do_getxattr(path, name, data, size, 0);
1968 static int yaffs_do_listxattr(const YCHAR *path, char *data,
1977 	if (!path || !data) {
1982 	if (yaffsfs_CheckPath(path) < 0) {
1989 	obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, &notDir, &loop);
2014 int yaffs_listxattr(const YCHAR *path, char *data, int size)
2016 	return yaffs_do_listxattr(path, data, size, 1);
2019 int yaffs_llistxattr(const YCHAR *path, char *data, int size)
2021 	return yaffs_do_listxattr(path, data, size, 0);
2053 static int yaffs_do_removexattr(const YCHAR *path, const char *name,
2062 	if (!path || !name) {
2067 	if (yaffsfs_CheckPath(path) < 0) {
2074 	obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, &notDir, &loop);
2099 int yaffs_removexattr(const YCHAR *path, const char *name)
2101 	return yaffs_do_removexattr(path, name, 1);
2104 int yaffs_lremovexattr(const YCHAR *path, const char *name)
2106 	return yaffs_do_removexattr(path, name, 0);
2231 int yaffs_access(const YCHAR *path, int amode)
2239 	if (!path) {
2244 	if (yaffsfs_CheckPath(path) < 0) {
2256 	obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, &notDir, &loop);
2289 int yaffs_chmod(const YCHAR *path, mode_t mode)
2297 	if (!path) {
2302 	if (yaffsfs_CheckPath(path) < 0) {
2314 	obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, &notDir, &loop);
2359 int yaffs_mkdir(const YCHAR *path, mode_t mode)
2369 	if (!path) {
2374 	if (yaffsfs_CheckPath(path) < 0) {
2379 	if (yaffsfs_alt_dir_path(path, &alt_path) < 0) {
2384 		path = alt_path;
2387 	parent = yaffsfs_FindDirectory(NULL, path, &name, 0, &notDir, &loop);
2418 int yaffs_rmdir(const YCHAR *path)
2423 	if (!path) {
2428 	if (yaffsfs_CheckPath(path) < 0) {
2433 	if (yaffsfs_alt_dir_path(path, &alt_path) < 0) {
2438 		path = alt_path;
2439 	result = yaffsfs_DoUnlink(path, 1);
2446 void *yaffs_getdev(const YCHAR *path)
2450 	dev = yaffsfs_FindDevice(path, &dummy);
2454 int yaffs_mount_common(const YCHAR *path, int read_only, int skip_checkpt)
2460 	if (!path) {
2465 	yaffs_trace(YAFFS_TRACE_MOUNT, "yaffs: Mounting %s", path);
2467 	if (yaffsfs_CheckPath(path) < 0) {
2476 	dev = yaffsfs_FindMountPoint(path);
2503 int yaffs_mount2(const YCHAR *path, int readonly)
2505 	return yaffs_mount_common(path, readonly, 0);
2508 int yaffs_mount(const YCHAR *path)
2510 	return yaffs_mount_common(path, 0, 0);
2513 int yaffs_sync(const YCHAR *path)
2519 	if (!path) {
2524 	if (yaffsfs_CheckPath(path) < 0) {
2530 	dev = yaffsfs_FindDevice(path, &dummy);
2563 int yaffs_remount(const YCHAR *path, int force, int read_only)
2568 	if (!path) {
2573 	if (yaffsfs_CheckPath(path) < 0) {
2579 	dev = yaffsfs_FindMountPoint(path);
2603 int yaffs_unmount2(const YCHAR *path, int force)
2608 	if (!path) {
2613 	if (yaffsfs_CheckPath(path) < 0) {
2619 	dev = yaffsfs_FindMountPoint(path);
2646 int yaffs_unmount(const YCHAR *path)
2648 	return yaffs_unmount2(path, 0);
2651 loff_t yaffs_freespace(const YCHAR *path)
2657 	if (!path) {
2662 	if (yaffsfs_CheckPath(path) < 0) {
2668 	dev = yaffsfs_FindDevice(path, &dummy);
2680 loff_t yaffs_totalspace(const YCHAR *path)
2686 	if (!path) {
2691 	if (yaffsfs_CheckPath(path) < 0) {
2697 	dev = yaffsfs_FindDevice(path, &dummy);
2711 int yaffs_inodecount(const YCHAR *path)
2717 	if (!path) {
2722 	if (yaffsfs_CheckPath(path) < 0) {
2728 	dev = yaffsfs_FindDevice(path, &dummy);
3036 int yaffs_readlink(const YCHAR *path, YCHAR *buf, int bufsiz)
3044 	if (!path || !buf) {
3051 	obj = yaffsfs_FindObject(NULL, path, 0, 1, &dir, &notDir, &loop);
3149 int yaffs_n_handles(const YCHAR *path)
3153 	if (!path) {
3158 	if (yaffsfs_CheckPath(path) < 0) {
3163 	obj = yaffsfs_FindObject(NULL, path, 0, 1, NULL, NULL, NULL);
3182 int yaffs_dump_dev(const YCHAR *path)
3187 	struct yaffs_obj *obj = yaffsfs_FindRoot(path, &rest);