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-rw-r--r--fs/ext4/dev.c13
-rw-r--r--fs/ext4/ext4_common.c24
-rw-r--r--fs/ext4/ext4_common.h4
-rw-r--r--fs/ext4/ext4_write.c32
-rw-r--r--fs/ext4/ext4fs.c50
-rw-r--r--fs/fat/fat.c132
-rw-r--r--fs/fat/fat_write.c61
-rw-r--r--fs/fat/file.c3
-rw-r--r--fs/fs.c120
-rw-r--r--fs/sandbox/sandboxfs.c77
-rw-r--r--fs/ubifs/ubifs.h4
11 files changed, 331 insertions, 189 deletions
diff --git a/fs/ext4/dev.c b/fs/ext4/dev.c
index e0b513a..c77c02c 100644
--- a/fs/ext4/dev.c
+++ b/fs/ext4/dev.c
@@ -73,6 +73,7 @@ int ext4fs_devread(lbaint_t sector, int byte_offset, int byte_len, char *buf)
debug(" <" LBAFU ", %d, %d>\n", sector, byte_offset, byte_len);
if (byte_offset != 0) {
+ int readlen;
/* read first part which isn't aligned with start of sector */
if (ext4fs_block_dev_desc->
block_read(ext4fs_block_dev_desc->dev,
@@ -81,13 +82,11 @@ int ext4fs_devread(lbaint_t sector, int byte_offset, int byte_len, char *buf)
printf(" ** ext2fs_devread() read error **\n");
return 0;
}
- memcpy(buf, sec_buf + byte_offset,
- min(ext4fs_block_dev_desc->blksz
- - byte_offset, byte_len));
- buf += min(ext4fs_block_dev_desc->blksz
- - byte_offset, byte_len);
- byte_len -= min(ext4fs_block_dev_desc->blksz
- - byte_offset, byte_len);
+ readlen = min((int)ext4fs_block_dev_desc->blksz - byte_offset,
+ byte_len);
+ memcpy(buf, sec_buf + byte_offset, readlen);
+ buf += readlen;
+ byte_len -= readlen;
sector++;
}
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c
index cccc06a..cab5465 100644
--- a/fs/ext4/ext4_common.c
+++ b/fs/ext4/ext4_common.c
@@ -1892,6 +1892,7 @@ int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
{
unsigned int fpos = 0;
int status;
+ loff_t actread;
struct ext2fs_node *diro = (struct ext2fs_node *) dir;
#ifdef DEBUG
@@ -1909,8 +1910,8 @@ int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
status = ext4fs_read_file(diro, fpos,
sizeof(struct ext2_dirent),
- (char *) &dirent);
- if (status < 1)
+ (char *)&dirent, &actread);
+ if (status < 0)
return 0;
if (dirent.namelen != 0) {
@@ -1921,8 +1922,9 @@ int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
status = ext4fs_read_file(diro,
fpos +
sizeof(struct ext2_dirent),
- dirent.namelen, filename);
- if (status < 1)
+ dirent.namelen, filename,
+ &actread);
+ if (status < 0)
return 0;
fdiro = zalloc(sizeof(struct ext2fs_node));
@@ -2004,8 +2006,8 @@ int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
printf("< ? > ");
break;
}
- printf("%10d %s\n",
- __le32_to_cpu(fdiro->inode.size),
+ printf("%10u %s\n",
+ __le32_to_cpu(fdiro->inode.size),
filename);
}
free(fdiro);
@@ -2020,6 +2022,7 @@ static char *ext4fs_read_symlink(struct ext2fs_node *node)
char *symlink;
struct ext2fs_node *diro = node;
int status;
+ loff_t actread;
if (!diro->inode_read) {
status = ext4fs_read_inode(diro->data, diro->ino, &diro->inode);
@@ -2036,7 +2039,7 @@ static char *ext4fs_read_symlink(struct ext2fs_node *node)
} else {
status = ext4fs_read_file(diro, 0,
__le32_to_cpu(diro->inode.size),
- symlink);
+ symlink, &actread);
if (status == 0) {
free(symlink);
return 0;
@@ -2170,11 +2173,10 @@ int ext4fs_find_file(const char *path, struct ext2fs_node *rootnode,
return 1;
}
-int ext4fs_open(const char *filename)
+int ext4fs_open(const char *filename, loff_t *len)
{
struct ext2fs_node *fdiro = NULL;
int status;
- int len;
if (ext4fs_root == NULL)
return -1;
@@ -2191,10 +2193,10 @@ int ext4fs_open(const char *filename)
if (status == 0)
goto fail;
}
- len = __le32_to_cpu(fdiro->inode.size);
+ *len = __le32_to_cpu(fdiro->inode.size);
ext4fs_file = fdiro;
- return len;
+ return 0;
fail:
ext4fs_free_node(fdiro, &ext4fs_root->diropen);
diff --git a/fs/ext4/ext4_common.h b/fs/ext4/ext4_common.h
index 5fa1719..48fd2ac 100644
--- a/fs/ext4/ext4_common.h
+++ b/fs/ext4/ext4_common.h
@@ -50,8 +50,8 @@ static inline void *zalloc(size_t size)
int ext4fs_read_inode(struct ext2_data *data, int ino,
struct ext2_inode *inode);
-int ext4fs_read_file(struct ext2fs_node *node, int pos,
- unsigned int len, char *buf);
+int ext4fs_read_file(struct ext2fs_node *node, loff_t pos, loff_t len,
+ char *buf, loff_t *actread);
int ext4fs_find_file(const char *path, struct ext2fs_node *rootnode,
struct ext2fs_node **foundnode, int expecttype);
int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
diff --git a/fs/ext4/ext4_write.c b/fs/ext4/ext4_write.c
index 648a596..f7c52cc 100644
--- a/fs/ext4/ext4_write.c
+++ b/fs/ext4/ext4_write.c
@@ -975,3 +975,35 @@ fail:
return -1;
}
+
+int ext4_write_file(const char *filename, void *buf, loff_t offset,
+ loff_t len, loff_t *actwrite)
+{
+ int ret;
+
+ if (offset != 0) {
+ printf("** Cannot support non-zero offset **\n");
+ return -1;
+ }
+
+ /* mount the filesystem */
+ if (!ext4fs_mount(0)) {
+ printf("** Error Bad ext4 partition **\n");
+ goto fail;
+ }
+
+ ret = ext4fs_write(filename, buf, len);
+
+ if (ret) {
+ printf("** Error ext4fs_write() **\n");
+ goto fail;
+ }
+ ext4fs_close();
+
+ return 0;
+
+fail:
+ ext4fs_close();
+
+ return -1;
+}
diff --git a/fs/ext4/ext4fs.c b/fs/ext4/ext4fs.c
index cbdc220..943b5bc 100644
--- a/fs/ext4/ext4fs.c
+++ b/fs/ext4/ext4fs.c
@@ -45,8 +45,8 @@ void ext4fs_free_node(struct ext2fs_node *node, struct ext2fs_node *currroot)
* Optimized read file API : collects and defers contiguous sector
* reads into one potentially more efficient larger sequential read action
*/
-int ext4fs_read_file(struct ext2fs_node *node, int pos,
- unsigned int len, char *buf)
+int ext4fs_read_file(struct ext2fs_node *node, loff_t pos,
+ loff_t len, char *buf, loff_t *actread)
{
struct ext_filesystem *fs = get_fs();
int i;
@@ -150,7 +150,8 @@ int ext4fs_read_file(struct ext2fs_node *node, int pos,
previous_block_number = -1;
}
- return len;
+ *actread = len;
+ return 0;
}
int ext4fs_ls(const char *dirname)
@@ -176,23 +177,24 @@ int ext4fs_ls(const char *dirname)
int ext4fs_exists(const char *filename)
{
- int file_len;
+ loff_t file_len;
+ int ret;
- file_len = ext4fs_open(filename);
- return file_len >= 0;
+ ret = ext4fs_open(filename, &file_len);
+ return ret == 0;
}
-int ext4fs_size(const char *filename)
+int ext4fs_size(const char *filename, loff_t *size)
{
- return ext4fs_open(filename);
+ return ext4fs_open(filename, size);
}
-int ext4fs_read(char *buf, unsigned len)
+int ext4fs_read(char *buf, loff_t len, loff_t *actread)
{
if (ext4fs_root == NULL || ext4fs_file == NULL)
return 0;
- return ext4fs_read_file(ext4fs_file, 0, len, buf);
+ return ext4fs_read_file(ext4fs_file, 0, len, buf, actread);
}
int ext4fs_probe(block_dev_desc_t *fs_dev_desc,
@@ -208,18 +210,19 @@ int ext4fs_probe(block_dev_desc_t *fs_dev_desc,
return 0;
}
-int ext4_read_file(const char *filename, void *buf, int offset, int len)
+int ext4_read_file(const char *filename, void *buf, loff_t offset, loff_t len,
+ loff_t *len_read)
{
- int file_len;
- int len_read;
+ loff_t file_len;
+ int ret;
if (offset != 0) {
printf("** Cannot support non-zero offset **\n");
return -1;
}
- file_len = ext4fs_open(filename);
- if (file_len < 0) {
+ ret = ext4fs_open(filename, &file_len);
+ if (ret < 0) {
printf("** File not found %s **\n", filename);
return -1;
}
@@ -227,7 +230,20 @@ int ext4_read_file(const char *filename, void *buf, int offset, int len)
if (len == 0)
len = file_len;
- len_read = ext4fs_read(buf, len);
+ return ext4fs_read(buf, len, len_read);
+}
- return len_read;
+int ext4fs_uuid(char *uuid_str)
+{
+ if (ext4fs_root == NULL)
+ return -1;
+
+#ifdef CONFIG_LIB_UUID
+ uuid_bin_to_str((unsigned char *)ext4fs_root->sblock.unique_id,
+ uuid_str, UUID_STR_FORMAT_STD);
+
+ return 0;
+#else
+ return -ENOSYS;
+#endif
}
diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index 561921f..04a51db 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -317,32 +317,32 @@ get_cluster(fsdata *mydata, __u32 clustnum, __u8 *buffer, unsigned long size)
/*
* Read at most 'maxsize' bytes from 'pos' in the file associated with 'dentptr'
* into 'buffer'.
- * Return the number of bytes read or -1 on fatal errors.
+ * Update the number of bytes read in *gotsize or return -1 on fatal errors.
*/
__u8 get_contents_vfatname_block[MAX_CLUSTSIZE]
__aligned(ARCH_DMA_MINALIGN);
-static long
-get_contents(fsdata *mydata, dir_entry *dentptr, unsigned long pos,
- __u8 *buffer, unsigned long maxsize)
+static int get_contents(fsdata *mydata, dir_entry *dentptr, loff_t pos,
+ __u8 *buffer, loff_t maxsize, loff_t *gotsize)
{
- unsigned long filesize = FAT2CPU32(dentptr->size), gotsize = 0;
+ loff_t filesize = FAT2CPU32(dentptr->size);
unsigned int bytesperclust = mydata->clust_size * mydata->sect_size;
__u32 curclust = START(dentptr);
__u32 endclust, newclust;
- unsigned long actsize;
+ loff_t actsize;
- debug("Filesize: %ld bytes\n", filesize);
+ *gotsize = 0;
+ debug("Filesize: %llu bytes\n", filesize);
if (pos >= filesize) {
- debug("Read position past EOF: %lu\n", pos);
- return gotsize;
+ debug("Read position past EOF: %llu\n", pos);
+ return 0;
}
if (maxsize > 0 && filesize > pos + maxsize)
filesize = pos + maxsize;
- debug("%ld bytes\n", filesize);
+ debug("%llu bytes\n", filesize);
actsize = bytesperclust;
@@ -352,7 +352,7 @@ get_contents(fsdata *mydata, dir_entry *dentptr, unsigned long pos,
if (CHECK_CLUST(curclust, mydata->fatsize)) {
debug("curclust: 0x%x\n", curclust);
debug("Invalid FAT entry\n");
- return gotsize;
+ return 0;
}
actsize += bytesperclust;
}
@@ -364,7 +364,7 @@ get_contents(fsdata *mydata, dir_entry *dentptr, unsigned long pos,
/* align to beginning of next cluster if any */
if (pos) {
- actsize = min(filesize, bytesperclust);
+ actsize = min(filesize, (loff_t)bytesperclust);
if (get_cluster(mydata, curclust, get_contents_vfatname_block,
(int)actsize) != 0) {
printf("Error reading cluster\n");
@@ -373,16 +373,16 @@ get_contents(fsdata *mydata, dir_entry *dentptr, unsigned long pos,
filesize -= actsize;
actsize -= pos;
memcpy(buffer, get_contents_vfatname_block + pos, actsize);
- gotsize += actsize;
+ *gotsize += actsize;
if (!filesize)
- return gotsize;
+ return 0;
buffer += actsize;
curclust = get_fatent(mydata, curclust);
if (CHECK_CLUST(curclust, mydata->fatsize)) {
debug("curclust: 0x%x\n", curclust);
debug("Invalid FAT entry\n");
- return gotsize;
+ return 0;
}
}
@@ -398,7 +398,7 @@ get_contents(fsdata *mydata, dir_entry *dentptr, unsigned long pos,
if (CHECK_CLUST(newclust, mydata->fatsize)) {
debug("curclust: 0x%x\n", newclust);
debug("Invalid FAT entry\n");
- return gotsize;
+ return 0;
}
endclust = newclust;
actsize += bytesperclust;
@@ -410,14 +410,14 @@ get_contents(fsdata *mydata, dir_entry *dentptr, unsigned long pos,
printf("Error reading cluster\n");
return -1;
}
- gotsize += actsize;
- return gotsize;
+ *gotsize += actsize;
+ return 0;
getit:
if (get_cluster(mydata, curclust, buffer, (int)actsize) != 0) {
printf("Error reading cluster\n");
return -1;
}
- gotsize += (int)actsize;
+ *gotsize += (int)actsize;
filesize -= actsize;
buffer += actsize;
@@ -425,7 +425,7 @@ getit:
if (CHECK_CLUST(curclust, mydata->fatsize)) {
debug("curclust: 0x%x\n", curclust);
printf("Invalid FAT entry\n");
- return gotsize;
+ return 0;
}
actsize = bytesperclust;
endclust = curclust;
@@ -633,8 +633,8 @@ static dir_entry *get_dentfromdir(fsdata *mydata, int startsect,
}
if (doit) {
if (dirc == ' ') {
- printf(" %8ld %s%c\n",
- (long)FAT2CPU32(dentptr->size),
+ printf(" %8u %s%c\n",
+ FAT2CPU32(dentptr->size),
l_name,
dirc);
} else {
@@ -690,8 +690,8 @@ static dir_entry *get_dentfromdir(fsdata *mydata, int startsect,
if (doit) {
if (dirc == ' ') {
- printf(" %8ld %s%c\n",
- (long)FAT2CPU32(dentptr->size),
+ printf(" %8u %s%c\n",
+ FAT2CPU32(dentptr->size),
s_name, dirc);
} else {
printf(" %s%c\n",
@@ -806,9 +806,8 @@ exit:
__u8 do_fat_read_at_block[MAX_CLUSTSIZE]
__aligned(ARCH_DMA_MINALIGN);
-long
-do_fat_read_at(const char *filename, unsigned long pos, void *buffer,
- unsigned long maxsize, int dols, int dogetsize)
+int do_fat_read_at(const char *filename, loff_t pos, void *buffer,
+ loff_t maxsize, int dols, int dogetsize, loff_t *size)
{
char fnamecopy[2048];
boot_sector bs;
@@ -821,7 +820,7 @@ do_fat_read_at(const char *filename, unsigned long pos, void *buffer,
__u32 cursect;
int idx, isdir = 0;
int files = 0, dirs = 0;
- long ret = -1;
+ int ret = -1;
int firsttime;
__u32 root_cluster = 0;
int rootdir_size = 0;
@@ -974,8 +973,8 @@ do_fat_read_at(const char *filename, unsigned long pos, void *buffer,
}
if (doit) {
if (dirc == ' ') {
- printf(" %8ld %s%c\n",
- (long)FAT2CPU32(dentptr->size),
+ printf(" %8u %s%c\n",
+ FAT2CPU32(dentptr->size),
l_name,
dirc);
} else {
@@ -1032,8 +1031,8 @@ do_fat_read_at(const char *filename, unsigned long pos, void *buffer,
}
if (doit) {
if (dirc == ' ') {
- printf(" %8ld %s%c\n",
- (long)FAT2CPU32(dentptr->size),
+ printf(" %8u %s%c\n",
+ FAT2CPU32(dentptr->size),
s_name, dirc);
} else {
printf(" %s%c\n",
@@ -1102,7 +1101,7 @@ do_fat_read_at(const char *filename, unsigned long pos, void *buffer,
if (dols == LS_ROOT) {
printf("\n%d file(s), %d dir(s)\n\n",
files, dirs);
- ret = 0;
+ *size = 0;
}
goto exit;
}
@@ -1141,7 +1140,7 @@ rootdir_done:
if (get_dentfromdir(mydata, startsect, subname, dentptr,
isdir ? 0 : dols) == NULL) {
if (dols && !isdir)
- ret = 0;
+ *size = 0;
goto exit;
}
@@ -1152,21 +1151,23 @@ rootdir_done:
subname = nextname;
}
- if (dogetsize)
- ret = FAT2CPU32(dentptr->size);
- else
- ret = get_contents(mydata, dentptr, pos, buffer, maxsize);
- debug("Size: %d, got: %ld\n", FAT2CPU32(dentptr->size), ret);
+ if (dogetsize) {
+ *size = FAT2CPU32(dentptr->size);
+ ret = 0;
+ } else {
+ ret = get_contents(mydata, dentptr, pos, buffer, maxsize, size);
+ }
+ debug("Size: %u, got: %llu\n", FAT2CPU32(dentptr->size), *size);
exit:
free(mydata->fatbuf);
return ret;
}
-long
-do_fat_read(const char *filename, void *buffer, unsigned long maxsize, int dols)
+int do_fat_read(const char *filename, void *buffer, loff_t maxsize, int dols,
+ loff_t *actread)
{
- return do_fat_read_at(filename, 0, buffer, maxsize, dols, 0);
+ return do_fat_read_at(filename, 0, buffer, maxsize, dols, 0, actread);
}
int file_fat_detectfs(void)
@@ -1233,44 +1234,55 @@ int file_fat_detectfs(void)
int file_fat_ls(const char *dir)
{
- return do_fat_read(dir, NULL, 0, LS_YES);
+ loff_t size;
+
+ return do_fat_read(dir, NULL, 0, LS_YES, &size);
}
int fat_exists(const char *filename)
{
- int sz;
- sz = do_fat_read_at(filename, 0, NULL, 0, LS_NO, 1);
- return sz >= 0;
+ int ret;
+ loff_t size;
+
+ ret = do_fat_read_at(filename, 0, NULL, 0, LS_NO, 1, &size);
+ return ret == 0;
}
-int fat_size(const char *filename)
+int fat_size(const char *filename, loff_t *size)
{
- return do_fat_read_at(filename, 0, NULL, 0, LS_NO, 1);
+ return do_fat_read_at(filename, 0, NULL, 0, LS_NO, 1, size);
}
-long file_fat_read_at(const char *filename, unsigned long pos, void *buffer,
- unsigned long maxsize)
+int file_fat_read_at(const char *filename, loff_t pos, void *buffer,
+ loff_t maxsize, loff_t *actread)
{
printf("reading %s\n", filename);
- return do_fat_read_at(filename, pos, buffer, maxsize, LS_NO, 0);
+ return do_fat_read_at(filename, pos, buffer, maxsize, LS_NO, 0,
+ actread);
}
-long file_fat_read(const char *filename, void *buffer, unsigned long maxsize)
+int file_fat_read(const char *filename, void *buffer, int maxsize)
{
- return file_fat_read_at(filename, 0, buffer, maxsize);
+ loff_t actread;
+ int ret;
+
+ ret = file_fat_read_at(filename, 0, buffer, maxsize, &actread);
+ if (ret)
+ return ret;
+ else
+ return actread;
}
-int fat_read_file(const char *filename, void *buf, int offset, int len)
+int fat_read_file(const char *filename, void *buf, loff_t offset, loff_t len,
+ loff_t *actread)
{
- int len_read;
+ int ret;
- len_read = file_fat_read_at(filename, offset, buf, len);
- if (len_read == -1) {
+ ret = file_fat_read_at(filename, offset, buf, len, actread);
+ if (ret)
printf("** Unable to read file %s **\n", filename);
- return -1;
- }
- return len_read;
+ return ret;
}
void fat_close(void)
diff --git a/fs/fat/fat_write.c b/fs/fat/fat_write.c
index 24ed5d3..88dd495 100644
--- a/fs/fat/fat_write.c
+++ b/fs/fat/fat_write.c
@@ -660,24 +660,26 @@ static int clear_fatent(fsdata *mydata, __u32 entry)
/*
* Write at most 'maxsize' bytes from 'buffer' into
* the file associated with 'dentptr'
- * Return the number of bytes read or -1 on fatal errors.
+ * Update the number of bytes written in *gotsize and return 0
+ * or return -1 on fatal errors.
*/
static int
set_contents(fsdata *mydata, dir_entry *dentptr, __u8 *buffer,
- unsigned long maxsize)
+ loff_t maxsize, loff_t *gotsize)
{
- unsigned long filesize = FAT2CPU32(dentptr->size), gotsize = 0;
+ loff_t filesize = FAT2CPU32(dentptr->size);
unsigned int bytesperclust = mydata->clust_size * mydata->sect_size;
__u32 curclust = START(dentptr);
__u32 endclust = 0, newclust = 0;
- unsigned long actsize;
+ loff_t actsize;
- debug("Filesize: %ld bytes\n", filesize);
+ *gotsize = 0;
+ debug("Filesize: %llu bytes\n", filesize);
if (maxsize > 0 && filesize > maxsize)
filesize = maxsize;
- debug("%ld bytes\n", filesize);
+ debug("%llu bytes\n", filesize);
actsize = bytesperclust;
endclust = curclust;
@@ -692,7 +694,7 @@ set_contents(fsdata *mydata, dir_entry *dentptr, __u8 *buffer,
if (CHECK_CLUST(newclust, mydata->fatsize)) {
debug("curclust: 0x%x\n", newclust);
debug("Invalid FAT entry\n");
- return gotsize;
+ return 0;
}
endclust = newclust;
actsize += bytesperclust;
@@ -706,7 +708,7 @@ set_contents(fsdata *mydata, dir_entry *dentptr, __u8 *buffer,
}
/* set remaining bytes */
- gotsize += (int)actsize;
+ *gotsize += actsize;
filesize -= actsize;
buffer += actsize;
actsize = filesize;
@@ -715,7 +717,7 @@ set_contents(fsdata *mydata, dir_entry *dentptr, __u8 *buffer,
debug("error: writing cluster\n");
return -1;
}
- gotsize += actsize;
+ *gotsize += actsize;
/* Mark end of file in FAT */
if (mydata->fatsize == 16)
@@ -724,20 +726,20 @@ set_contents(fsdata *mydata, dir_entry *dentptr, __u8 *buffer,
newclust = 0xfffffff;
set_fatent_value(mydata, endclust, newclust);
- return gotsize;
+ return 0;
getit:
if (set_cluster(mydata, curclust, buffer, (int)actsize) != 0) {
debug("error: writing cluster\n");
return -1;
}
- gotsize += (int)actsize;
+ *gotsize += actsize;
filesize -= actsize;
buffer += actsize;
if (CHECK_CLUST(curclust, mydata->fatsize)) {
debug("curclust: 0x%x\n", curclust);
debug("Invalid FAT entry\n");
- return gotsize;
+ return 0;
}
actsize = bytesperclust;
curclust = endclust = newclust;
@@ -766,7 +768,7 @@ static void fill_dentry(fsdata *mydata, dir_entry *dentptr,
* exceed the size of the block device
* Return -1 when overflow occurs, otherwise return 0
*/
-static int check_overflow(fsdata *mydata, __u32 clustnum, unsigned long size)
+static int check_overflow(fsdata *mydata, __u32 clustnum, loff_t size)
{
__u32 startsect, sect_num;
@@ -923,8 +925,8 @@ static dir_entry *find_directory_entry(fsdata *mydata, int startsect,
return NULL;
}
-static int do_fat_write(const char *filename, void *buffer,
- unsigned long size)
+static int do_fat_write(const char *filename, void *buffer, loff_t size,
+ loff_t *actwrite)
{
dir_entry *dentptr, *retdent;
__u32 startsect;
@@ -936,8 +938,8 @@ static int do_fat_write(const char *filename, void *buffer,
int cursect;
int ret = -1, name_len;
char l_filename[VFAT_MAXLEN_BYTES];
- int write_size = size;
+ *actwrite = size;
dir_curclust = 0;
if (read_bootsectandvi(&bs, &volinfo, &mydata->fatsize)) {
@@ -1015,7 +1017,7 @@ static int do_fat_write(const char *filename, void *buffer,
ret = check_overflow(mydata, start_cluster, size);
if (ret) {
- printf("Error: %ld overflow\n", size);
+ printf("Error: %llu overflow\n", size);
goto exit;
}
@@ -1025,13 +1027,12 @@ static int do_fat_write(const char *filename, void *buffer,
goto exit;
}
- ret = set_contents(mydata, retdent, buffer, size);
+ ret = set_contents(mydata, retdent, buffer, size, actwrite);
if (ret < 0) {
printf("Error: writing contents\n");
goto exit;
}
- write_size = ret;
- debug("attempt to write 0x%x bytes\n", write_size);
+ debug("attempt to write 0x%llx bytes\n", *actwrite);
/* Flush fat buffer */
ret = flush_fat_buffer(mydata);
@@ -1061,7 +1062,7 @@ static int do_fat_write(const char *filename, void *buffer,
ret = check_overflow(mydata, start_cluster, size);
if (ret) {
- printf("Error: %ld overflow\n", size);
+ printf("Error: %llu overflow\n", size);
goto exit;
}
@@ -1069,13 +1070,13 @@ static int do_fat_write(const char *filename, void *buffer,
fill_dentry(mydata, empty_dentptr, filename,
start_cluster, size, 0x20);
- ret = set_contents(mydata, empty_dentptr, buffer, size);
+ ret = set_contents(mydata, empty_dentptr, buffer, size,
+ actwrite);
if (ret < 0) {
printf("Error: writing contents\n");
goto exit;
}
- write_size = ret;
- debug("attempt to write 0x%x bytes\n", write_size);
+ debug("attempt to write 0x%llx bytes\n", *actwrite);
/* Flush fat buffer */
ret = flush_fat_buffer(mydata);
@@ -1096,11 +1097,17 @@ static int do_fat_write(const char *filename, void *buffer,
exit:
free(mydata->fatbuf);
- return ret < 0 ? ret : write_size;
+ return ret;
}
-int file_fat_write(const char *filename, void *buffer, unsigned long maxsize)
+int file_fat_write(const char *filename, void *buffer, loff_t offset,
+ loff_t maxsize, loff_t *actwrite)
{
+ if (offset != 0) {
+ printf("Error: non zero offset is currently not suported.\n");
+ return -1;
+ }
+
printf("writing %s\n", filename);
- return do_fat_write(filename, buffer, maxsize);
+ return do_fat_write(filename, buffer, maxsize, actwrite);
}
diff --git a/fs/fat/file.c b/fs/fat/file.c
index d910c46..8970611 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -162,8 +162,7 @@ file_ls(const char *dir)
return filesystems[current_filesystem].ls(arg);
}
-long
-file_read(const char *filename, void *buffer, unsigned long maxsize)
+int file_read(const char *filename, void *buffer, int maxsize)
{
char fullpath[1024];
const char *arg;
diff --git a/fs/fs.c b/fs/fs.c
index dd680f3..3da7860 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -15,6 +15,7 @@
*/
#include <config.h>
+#include <errno.h>
#include <common.h>
#include <part.h>
#include <ext4fs.h>
@@ -46,19 +47,21 @@ static inline int fs_exists_unsupported(const char *filename)
return 0;
}
-static inline int fs_size_unsupported(const char *filename)
+static inline int fs_size_unsupported(const char *filename, loff_t *size)
{
return -1;
}
static inline int fs_read_unsupported(const char *filename, void *buf,
- int offset, int len)
+ loff_t offset, loff_t len,
+ loff_t *actread)
{
return -1;
}
static inline int fs_write_unsupported(const char *filename, void *buf,
- int offset, int len)
+ loff_t offset, loff_t len,
+ loff_t *actwrite)
{
return -1;
}
@@ -67,6 +70,11 @@ static inline void fs_close_unsupported(void)
{
}
+static inline int fs_uuid_unsupported(char *uuid_str)
+{
+ return -1;
+}
+
struct fstype_info {
int fstype;
/*
@@ -82,10 +90,13 @@ struct fstype_info {
disk_partition_t *fs_partition);
int (*ls)(const char *dirname);
int (*exists)(const char *filename);
- int (*size)(const char *filename);
- int (*read)(const char *filename, void *buf, int offset, int len);
- int (*write)(const char *filename, void *buf, int offset, int len);
+ int (*size)(const char *filename, loff_t *size);
+ int (*read)(const char *filename, void *buf, loff_t offset,
+ loff_t len, loff_t *actread);
+ int (*write)(const char *filename, void *buf, loff_t offset,
+ loff_t len, loff_t *actwrite);
void (*close)(void);
+ int (*uuid)(char *uuid_str);
};
static struct fstype_info fstypes[] = {
@@ -99,7 +110,12 @@ static struct fstype_info fstypes[] = {
.exists = fat_exists,
.size = fat_size,
.read = fat_read_file,
+#ifdef CONFIG_FAT_WRITE
+ .write = file_fat_write,
+#else
.write = fs_write_unsupported,
+#endif
+ .uuid = fs_uuid_unsupported,
},
#endif
#ifdef CONFIG_FS_EXT4
@@ -112,7 +128,12 @@ static struct fstype_info fstypes[] = {
.exists = ext4fs_exists,
.size = ext4fs_size,
.read = ext4_read_file,
+#ifdef CONFIG_CMD_EXT4_WRITE
+ .write = ext4_write_file,
+#else
.write = fs_write_unsupported,
+#endif
+ .uuid = ext4fs_uuid,
},
#endif
#ifdef CONFIG_SANDBOX
@@ -126,6 +147,7 @@ static struct fstype_info fstypes[] = {
.size = sandbox_fs_size,
.read = fs_read_sandbox,
.write = fs_write_sandbox,
+ .uuid = fs_uuid_unsupported,
},
#endif
{
@@ -138,6 +160,7 @@ static struct fstype_info fstypes[] = {
.size = fs_size_unsupported,
.read = fs_read_unsupported,
.write = fs_write_unsupported,
+ .uuid = fs_uuid_unsupported,
},
};
@@ -206,6 +229,13 @@ static void fs_close(void)
fs_type = FS_TYPE_ANY;
}
+int fs_uuid(char *uuid_str)
+{
+ struct fstype_info *info = fs_get_info(fs_type);
+
+ return info->uuid(uuid_str);
+}
+
int fs_ls(const char *dirname)
{
int ret;
@@ -233,20 +263,21 @@ int fs_exists(const char *filename)
return ret;
}
-int fs_size(const char *filename)
+int fs_size(const char *filename, loff_t *size)
{
int ret;
struct fstype_info *info = fs_get_info(fs_type);
- ret = info->size(filename);
+ ret = info->size(filename, size);
fs_close();
return ret;
}
-int fs_read(const char *filename, ulong addr, int offset, int len)
+int fs_read(const char *filename, ulong addr, loff_t offset, loff_t len,
+ loff_t *actread)
{
struct fstype_info *info = fs_get_info(fs_type);
void *buf;
@@ -257,11 +288,11 @@ int fs_read(const char *filename, ulong addr, int offset, int len)
* means read the whole file.
*/
buf = map_sysmem(addr, len);
- ret = info->read(filename, buf, offset, len);
+ ret = info->read(filename, buf, offset, len, actread);
unmap_sysmem(buf);
/* If we requested a specific number of bytes, check we got it */
- if (ret >= 0 && len && ret != len) {
+ if (ret == 0 && len && *actread != len) {
printf("** Unable to read file %s **\n", filename);
ret = -1;
}
@@ -270,17 +301,18 @@ int fs_read(const char *filename, ulong addr, int offset, int len)
return ret;
}
-int fs_write(const char *filename, ulong addr, int offset, int len)
+int fs_write(const char *filename, ulong addr, loff_t offset, loff_t len,
+ loff_t *actwrite)
{
struct fstype_info *info = fs_get_info(fs_type);
void *buf;
int ret;
buf = map_sysmem(addr, len);
- ret = info->write(filename, buf, offset, len);
+ ret = info->write(filename, buf, offset, len, actwrite);
unmap_sysmem(buf);
- if (ret >= 0 && ret != len) {
+ if (ret < 0 && len != *actwrite) {
printf("** Unable to write file %s **\n", filename);
ret = -1;
}
@@ -292,7 +324,7 @@ int fs_write(const char *filename, ulong addr, int offset, int len)
int do_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
int fstype)
{
- int size;
+ loff_t size;
if (argc != 4)
return CMD_RET_USAGE;
@@ -300,8 +332,7 @@ int do_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
if (fs_set_blk_dev(argv[1], argv[2], fstype))
return 1;
- size = fs_size(argv[3]);
- if (size < 0)
+ if (fs_size(argv[3], &size) < 0)
return CMD_RET_FAILURE;
setenv_hex("filesize", size);
@@ -315,9 +346,10 @@ int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
unsigned long addr;
const char *addr_str;
const char *filename;
- unsigned long bytes;
- unsigned long pos;
- int len_read;
+ loff_t bytes;
+ loff_t pos;
+ loff_t len_read;
+ int ret;
unsigned long time;
char *ep;
@@ -359,12 +391,12 @@ int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
pos = 0;
time = get_timer(0);
- len_read = fs_read(filename, addr, pos, bytes);
+ ret = fs_read(filename, addr, pos, bytes, &len_read);
time = get_timer(time);
- if (len_read <= 0)
+ if (ret < 0)
return 1;
- printf("%d bytes read in %lu ms", len_read, time);
+ printf("%llu bytes read in %lu ms", len_read, time);
if (time > 0) {
puts(" (");
print_size(len_read / time * 1000, "/s");
@@ -408,9 +440,10 @@ int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
{
unsigned long addr;
const char *filename;
- unsigned long bytes;
- unsigned long pos;
- int len;
+ loff_t bytes;
+ loff_t pos;
+ loff_t len;
+ int ret;
unsigned long time;
if (argc < 6 || argc > 7)
@@ -419,8 +452,8 @@ int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
if (fs_set_blk_dev(argv[1], argv[2], fstype))
return 1;
- filename = argv[3];
- addr = simple_strtoul(argv[4], NULL, 16);
+ addr = simple_strtoul(argv[3], NULL, 16);
+ filename = argv[4];
bytes = simple_strtoul(argv[5], NULL, 16);
if (argc >= 7)
pos = simple_strtoul(argv[6], NULL, 16);
@@ -428,12 +461,12 @@ int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
pos = 0;
time = get_timer(0);
- len = fs_write(filename, addr, pos, bytes);
+ ret = fs_write(filename, addr, pos, bytes, &len);
time = get_timer(time);
- if (len <= 0)
+ if (ret < 0)
return 1;
- printf("%d bytes written in %lu ms", len, time);
+ printf("%llu bytes written in %lu ms", len, time);
if (time > 0) {
puts(" (");
print_size(len / time * 1000, "/s");
@@ -443,3 +476,28 @@ int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
return 0;
}
+
+int do_fs_uuid(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+ int fstype)
+{
+ int ret;
+ char uuid[37];
+ memset(uuid, 0, sizeof(uuid));
+
+ if (argc < 3 || argc > 4)
+ return CMD_RET_USAGE;
+
+ if (fs_set_blk_dev(argv[1], argv[2], fstype))
+ return 1;
+
+ ret = fs_uuid(uuid);
+ if (ret)
+ return CMD_RET_FAILURE;
+
+ if (argc == 4)
+ setenv(argv[3], uuid);
+ else
+ printf("%s\n", uuid);
+
+ return CMD_RET_SUCCESS;
+}
diff --git a/fs/sandbox/sandboxfs.c b/fs/sandbox/sandboxfs.c
index ba6402c..a920bc0 100644
--- a/fs/sandbox/sandboxfs.c
+++ b/fs/sandbox/sandboxfs.c
@@ -13,10 +13,10 @@ int sandbox_fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info)
return 0;
}
-long sandbox_fs_read_at(const char *filename, unsigned long pos,
- void *buffer, unsigned long maxsize)
+int sandbox_fs_read_at(const char *filename, loff_t pos, void *buffer,
+ loff_t maxsize, loff_t *actread)
{
- ssize_t size;
+ loff_t size;
int fd, ret;
fd = os_open(filename, OS_O_RDONLY);
@@ -27,16 +27,31 @@ long sandbox_fs_read_at(const char *filename, unsigned long pos,
os_close(fd);
return ret;
}
- if (!maxsize)
- maxsize = os_get_filesize(filename);
+ if (!maxsize) {
+ ret = os_get_filesize(filename, &size);
+ if (ret) {
+ os_close(fd);
+ return ret;
+ }
+
+ maxsize = size;
+ }
+
size = os_read(fd, buffer, maxsize);
os_close(fd);
- return size;
+ if (size < 0) {
+ ret = -1;
+ } else {
+ ret = 0;
+ *actread = size;
+ }
+
+ return ret;
}
-long sandbox_fs_write_at(const char *filename, unsigned long pos,
- void *buffer, unsigned long towrite)
+int sandbox_fs_write_at(const char *filename, loff_t pos, void *buffer,
+ loff_t towrite, loff_t *actwrite)
{
ssize_t size;
int fd, ret;
@@ -52,7 +67,14 @@ long sandbox_fs_write_at(const char *filename, unsigned long pos,
size = os_write(fd, buffer, towrite);
os_close(fd);
- return size;
+ if (size == -1) {
+ ret = -1;
+ } else {
+ ret = 0;
+ *actwrite = size;
+ }
+
+ return ret;
}
int sandbox_fs_ls(const char *dirname)
@@ -74,43 +96,42 @@ int sandbox_fs_ls(const char *dirname)
int sandbox_fs_exists(const char *filename)
{
- ssize_t sz;
+ loff_t size;
+ int ret;
- sz = os_get_filesize(filename);
- return sz >= 0;
+ ret = os_get_filesize(filename, &size);
+ return ret == 0;
}
-int sandbox_fs_size(const char *filename)
+int sandbox_fs_size(const char *filename, loff_t *size)
{
- return os_get_filesize(filename);
+ return os_get_filesize(filename, size);
}
void sandbox_fs_close(void)
{
}
-int fs_read_sandbox(const char *filename, void *buf, int offset, int len)
+int fs_read_sandbox(const char *filename, void *buf, loff_t offset, loff_t len,
+ loff_t *actread)
{
- int len_read;
+ int ret;
- len_read = sandbox_fs_read_at(filename, offset, buf, len);
- if (len_read == -1) {
+ ret = sandbox_fs_read_at(filename, offset, buf, len, actread);
+ if (ret)
printf("** Unable to read file %s **\n", filename);
- return -1;
- }
- return len_read;
+ return ret;
}
-int fs_write_sandbox(const char *filename, void *buf, int offset, int len)
+int fs_write_sandbox(const char *filename, void *buf, loff_t offset,
+ loff_t len, loff_t *actwrite)
{
- int len_written;
+ int ret;
- len_written = sandbox_fs_write_at(filename, offset, buf, len);
- if (len_written == -1) {
+ ret = sandbox_fs_write_at(filename, offset, buf, len, actwrite);
+ if (ret)
printf("** Unable to write file %s **\n", filename);
- return -1;
- }
- return len_written;
+ return ret;
}
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 0ce2475..c120261 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -476,10 +476,6 @@ struct file {
#define MAX_LFS_FILESIZE 0x7fffffffffffffffUL
#endif
-#define INT_MAX ((int)(~0U>>1))
-#define INT_MIN (-INT_MAX - 1)
-#define LLONG_MAX ((long long)(~0ULL>>1))
-
/*
* These are the fs-independent mount-flags: up to 32 flags are supported
*/
generated by cgit v1.1 at 2024-11-13 11:15:48 +0000