Abhishekmishra2808 commented on code in PR #19166:
URL: https://github.com/apache/nuttx/pull/19166#discussion_r3446832302
##########
fs/littlefs/lfs_vfs.c:
##########
@@ -337,6 +341,192 @@ static FAR const char *littlefs_convert_path(FAR const
char *path)
return path;
}
+#if defined(CONFIG_FS_PERMISSION) && defined(CONFIG_FS_LITTLEFS_ATTR_UPDATE)
+
+/****************************************************************************
+ * Name: littlefs_statbuf_locked
+ ****************************************************************************/
+
+static int littlefs_statbuf_locked(FAR struct littlefs_mountpt_s *fs,
+ FAR const char *relpath,
+ FAR struct stat *buf)
+{
+ struct lfs_info info;
+ struct littlefs_attr_s attr;
+ int ret;
+
+ memset(buf, 0, sizeof(*buf));
+
+ ret = lfs_stat(&fs->lfs, relpath, &info);
+ if (ret < 0)
+ {
+ return littlefs_convert_result(ret);
+ }
+
+ ret = littlefs_convert_result(lfs_getattr(&fs->lfs, relpath, 0,
+ &attr, sizeof(attr)));
+ if (ret < 0)
+ {
+ if (ret != -ENODATA)
+ {
+ return ret;
+ }
+
+ memset(&attr, 0, sizeof(attr));
+ attr.at_mode = S_IRWXG | S_IRWXU | S_IRWXO;
+ }
+
+ buf->st_mode = attr.at_mode;
+ buf->st_uid = attr.at_uid;
+ buf->st_gid = attr.at_gid;
+ buf->st_atim.tv_sec = attr.at_atim / 1000000000ull;
+ buf->st_atim.tv_nsec = attr.at_atim % 1000000000ull;
+ buf->st_mtim.tv_sec = attr.at_mtim / 1000000000ull;
+ buf->st_mtim.tv_nsec = attr.at_mtim % 1000000000ull;
+ buf->st_ctim.tv_sec = attr.at_ctim / 1000000000ull;
+ buf->st_ctim.tv_nsec = attr.at_ctim % 1000000000ull;
+ buf->st_blksize = fs->cfg.block_size;
+
+ if (info.type == LFS_TYPE_REG)
+ {
+ buf->st_mode |= S_IFREG;
+ buf->st_size = info.size;
+ }
+ else
+ {
+ buf->st_mode |= S_IFDIR;
+ buf->st_size = 0;
+ }
+
+ buf->st_blocks = (buf->st_size + buf->st_blksize - 1) / buf->st_blksize;
+ return OK;
+}
+
+/****************************************************************************
+ * Name: littlefs_check_pathperm_locked
+ ****************************************************************************/
+
+static int littlefs_check_pathperm_locked(FAR struct littlefs_mountpt_s *fs,
+ FAR const char *relpath,
+ int final_amode)
+{
+ struct stat st;
+ char subpath[NAME_MAX + 1];
+ size_t len;
+ size_t begin = 0;
+ size_t end;
+ int ret;
+
+ len = strlen(relpath);
Review Comment:
Done. Removed strlen() and the loop now checks relpath[end] == '\0' directly.
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