Signed-off-by: Gabriel Dalimonte gabriel.dalimonte@gmail.com ---
fs/fs.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ include/fs.h | 13 +++++++++++++ 2 files changed, 60 insertions(+)
diff --git a/fs/fs.c b/fs/fs.c index 99ddcc5e37..160a43c957 100644 --- a/fs/fs.c +++ b/fs/fs.c @@ -143,6 +143,12 @@ static inline int fs_mkdir_unsupported(const char *dirname) return -1; }
+static inline int fs_rename_unsupported(const char *old_path, + const char *new_path) +{ + return -1; +} + struct fstype_info { int fstype; char *name; @@ -183,6 +189,7 @@ struct fstype_info { int (*unlink)(const char *filename); int (*mkdir)(const char *dirname); int (*ln)(const char *filename, const char *target); + int (*rename)(const char *old_path, const char *new_path); };
static struct fstype_info fstypes[] = { @@ -206,6 +213,7 @@ static struct fstype_info fstypes[] = { .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, #endif + .rename = fs_rename_unsupported, .uuid = fat_uuid, .opendir = fat_opendir, .readdir = fat_readdir, @@ -238,6 +246,7 @@ static struct fstype_info fstypes[] = { .closedir = ext4fs_closedir, .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, + .rename = fs_rename_unsupported, }, #endif #if IS_ENABLED(CONFIG_SANDBOX) && !IS_ENABLED(CONFIG_XPL_BUILD) @@ -257,6 +266,7 @@ static struct fstype_info fstypes[] = { .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, .ln = fs_ln_unsupported, + .rename = fs_rename_unsupported, }, #endif #if CONFIG_IS_ENABLED(SEMIHOSTING) @@ -276,6 +286,7 @@ static struct fstype_info fstypes[] = { .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, .ln = fs_ln_unsupported, + .rename = fs_rename_unsupported, }, #endif #ifndef CONFIG_XPL_BUILD @@ -296,6 +307,7 @@ static struct fstype_info fstypes[] = { .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, .ln = fs_ln_unsupported, + .rename = fs_rename_unsupported, }, #endif #endif @@ -317,6 +329,7 @@ static struct fstype_info fstypes[] = { .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, .ln = fs_ln_unsupported, + .rename = fs_rename_unsupported, }, #endif #endif @@ -339,6 +352,7 @@ static struct fstype_info fstypes[] = { .ln = fs_ln_unsupported, .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, + .rename = fs_rename_unsupported, }, #endif #if IS_ENABLED(CONFIG_FS_EROFS) @@ -360,6 +374,7 @@ static struct fstype_info fstypes[] = { .ln = fs_ln_unsupported, .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, + .rename = fs_rename_unsupported, }, #endif { @@ -378,6 +393,7 @@ static struct fstype_info fstypes[] = { .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, .ln = fs_ln_unsupported, + .rename = fs_rename_unsupported, }, };
@@ -713,6 +729,22 @@ int fs_ln(const char *fname, const char *target) return ret; }
+int fs_rename(const char *old_path, const char *new_path) +{ + struct fstype_info *info = fs_get_info(fs_type); + int ret; + + ret = info->rename(old_path, new_path); + + if (ret < 0) { + log_err("** Unable to rename %s -> %s **\n", old_path, new_path); + ret = -1; + } + fs_close(); + + return ret; +} + int do_size(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], int fstype) { @@ -975,6 +1007,21 @@ int do_ln(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], return 0; }
+int do_rename(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], + int fstype) +{ + if (argc != 5) + return CMD_RET_USAGE; + + if (fs_set_blk_dev(argv[1], argv[2], fstype)) + return 1; + + if (fs_rename(argv[3], argv[4])) + return 1; + + return 0; +} + int do_fs_types(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[]) { struct fstype_info *drv = fstypes; diff --git a/include/fs.h b/include/fs.h index 2474880385..24b121f55d 100644 --- a/include/fs.h +++ b/include/fs.h @@ -270,6 +270,17 @@ int fs_unlink(const char *filename); */ int fs_mkdir(const char *filename);
+/** + * fs_rename - rename a file or directory + * + * @old_path: existing path of the file/directory to rename + * @new_path: new path of the file/directory. If this points to an existing + * file or empty directory, the existing file/directory will be unlinked. + * + * Return: 0 on success, -1 on error conditions + */ +int fs_rename(const char *old_path, const char *new_path); + /* * Common implementation for various filesystem commands, optionally limited * to a specific filesystem type via the fstype parameter. @@ -290,6 +301,8 @@ int do_mkdir(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], int fstype); int do_ln(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], int fstype); +int do_rename(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], + int fstype);
/* * Determine the UUID of the specified filesystem and print it. Optionally it is