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Added the lfs_stat function

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This commit is contained in:
Christopher Haster
2017-04-01 12:52:41 -05:00
parent a3734eeb34
commit 96a42581be
2 changed files with 29 additions and 0 deletions
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28
lfs.c
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@@ -1376,3 +1376,31 @@ int lfs_remove(lfs_t *lfs, const char *path) {
return 0; return 0;
} }
int lfs_stat(lfs_t *lfs, const char *path, struct lfs_info *info) {
lfs_dir_t cwd;
int err = lfs_dir_fetch(lfs, &cwd, lfs->cwd);
if (err) {
return err;
}
lfs_entry_t entry;
err = lfs_dir_find(lfs, &cwd, &path, &entry);
if (err) {
return err;
}
// TODO abstract out info assignment
memset(info, 0, sizeof(*info));
info->type = entry.d.type & 0xff;
if (info->type == LFS_TYPE_REG) {
info->size = entry.d.u.file.size;
}
err = lfs_bd_read(lfs, entry.dir[0], entry.off + sizeof(entry.d),
entry.d.len - sizeof(entry.d), info->name);
if (err) {
return err;
}
return 0;
}

1
lfs.h
View File

@@ -138,6 +138,7 @@ int lfs_mount(lfs_t *lfs, const struct lfs_config *config);
int lfs_unmount(lfs_t *lfs); int lfs_unmount(lfs_t *lfs);
int lfs_remove(lfs_t *lfs, const char *path); int lfs_remove(lfs_t *lfs, const char *path);
int lfs_stat(lfs_t *lfs, const char *path, struct lfs_info *info);
int lfs_mkdir(lfs_t *lfs, const char *path); int lfs_mkdir(lfs_t *lfs, const char *path);
int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path); int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path);