diff options
Diffstat (limited to 'fs/fs.c')
| -rw-r--r-- | fs/fs.c | 117 |
1 files changed, 117 insertions, 0 deletions
@@ -32,6 +32,7 @@ #include <efi_loader.h> #include <squashfs.h> #include <erofs.h> +#include <exfat.h> DECLARE_GLOBAL_DATA_PTR; @@ -143,6 +144,12 @@ 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 +190,7 @@ 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[] = { @@ -211,6 +219,11 @@ static struct fstype_info fstypes[] = { .readdir = fat_readdir, .closedir = fat_closedir, .ln = fs_ln_unsupported, +#if CONFIG_IS_ENABLED(FAT_RENAME) && !IS_ENABLED(CONFIG_XPL_BUILD) + .rename = fat_rename, +#else + .rename = fs_rename_unsupported, +#endif }, #endif @@ -238,6 +251,7 @@ 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 +271,7 @@ 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 +291,7 @@ 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 +312,7 @@ 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 +334,7 @@ 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 +357,7 @@ 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 +379,28 @@ 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_EXFAT) + { + .fstype = FS_TYPE_EXFAT, + .name = "exfat", + .null_dev_desc_ok = false, + .probe = exfat_fs_probe, + .opendir = exfat_fs_opendir, + .readdir = exfat_fs_readdir, + .ls = exfat_fs_ls, + .read = exfat_fs_read, + .size = exfat_fs_size, + .close = exfat_fs_close, + .closedir = exfat_fs_closedir, + .exists = exfat_fs_exists, + .uuid = fs_uuid_unsupported, + .write = exfat_fs_write, + .ln = fs_ln_unsupported, + .unlink = exfat_fs_unlink, + .mkdir = exfat_fs_mkdir, }, #endif { @@ -378,6 +419,7 @@ static struct fstype_info fstypes[] = { .unlink = fs_unlink_unsupported, .mkdir = fs_mkdir_unsupported, .ln = fs_ln_unsupported, + .rename = fs_rename_unsupported, }, }; @@ -713,6 +755,22 @@ 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_debug("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 +1033,65 @@ int do_ln(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], return 0; } +int do_mv(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], + int fstype) +{ + struct fs_dir_stream *dirs; + char *src = argv[3]; + char *dst = argv[4]; + char *new_dst = NULL; + int ret = 1; + + if (argc != 5) { + ret = CMD_RET_USAGE; + goto exit; + } + + if (fs_set_blk_dev(argv[1], argv[2], fstype)) + goto exit; + + dirs = fs_opendir(dst); + /* dirs being valid means dst points to an existing directory. + * mv should copy the file/dir (keeping the same name) into the + * directory + */ + if (dirs) { + char *src_name = strrchr(src, '/'); + int dst_len; + + if (src_name) + src_name += 1; + else + src_name = src; + + dst_len = strlen(dst); + new_dst = calloc(1, dst_len + strlen(src_name) + 2); + strcpy(new_dst, dst); + + /* If there is already a trailing slash, don't add another */ + if (new_dst[dst_len - 1] != '/') { + new_dst[dst_len] = '/'; + dst_len += 1; + } + + strcpy(new_dst + dst_len, src_name); + dst = new_dst; + } + fs_closedir(dirs); + + if (fs_set_blk_dev(argv[1], argv[2], fstype)) + goto exit; + + if (fs_rename(src, dst)) + goto exit; + + ret = 0; + +exit: + free(new_dst); + return ret; +} + int do_fs_types(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[]) { struct fstype_info *drv = fstypes; |