diff options
Diffstat (limited to 'fs/fs.c')
| -rw-r--r-- | fs/fs.c | 43 |
1 files changed, 43 insertions, 0 deletions
@@ -46,6 +46,11 @@ static inline int fs_exists_unsupported(const char *filename) return 0; } +static inline int fs_size_unsupported(const char *filename) +{ + return -1; +} + static inline int fs_read_unsupported(const char *filename, void *buf, int offset, int len) { @@ -77,6 +82,7 @@ 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); void (*close)(void); @@ -91,6 +97,7 @@ static struct fstype_info fstypes[] = { .close = fat_close, .ls = file_fat_ls, .exists = fat_exists, + .size = fat_size, .read = fat_read_file, .write = fs_write_unsupported, }, @@ -103,6 +110,7 @@ static struct fstype_info fstypes[] = { .close = ext4fs_close, .ls = ext4fs_ls, .exists = ext4fs_exists, + .size = ext4fs_size, .read = ext4_read_file, .write = fs_write_unsupported, }, @@ -115,6 +123,7 @@ static struct fstype_info fstypes[] = { .close = sandbox_fs_close, .ls = sandbox_fs_ls, .exists = sandbox_fs_exists, + .size = sandbox_fs_size, .read = fs_read_sandbox, .write = fs_write_sandbox, }, @@ -126,6 +135,7 @@ static struct fstype_info fstypes[] = { .close = fs_close_unsupported, .ls = fs_ls_unsupported, .exists = fs_exists_unsupported, + .size = fs_size_unsupported, .read = fs_read_unsupported, .write = fs_write_unsupported, }, @@ -223,6 +233,19 @@ int fs_exists(const char *filename) return ret; } +int fs_size(const char *filename) +{ + int ret; + + struct fstype_info *info = fs_get_info(fs_type); + + ret = info->size(filename); + + fs_close(); + + return ret; +} + int fs_read(const char *filename, ulong addr, int offset, int len) { struct fstype_info *info = fs_get_info(fs_type); @@ -266,6 +289,26 @@ int fs_write(const char *filename, ulong addr, int offset, int len) return ret; } +int do_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], + int fstype) +{ + int size; + + if (argc != 4) + return CMD_RET_USAGE; + + if (fs_set_blk_dev(argv[1], argv[2], fstype)) + return 1; + + size = fs_size(argv[3]); + if (size < 0) + return CMD_RET_FAILURE; + + setenv_hex("filesize", size); + + return 0; +} + int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], int fstype) { |