From: Karel Zak <kzak@redhat.com>
Date: Wed, 15 Oct 2025 08:30:34 +0000 (+0200)
Subject: lib/fileutils: add is_dotdir_dirent()
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=086f4946eb6a312fb1205997bca03423307e4d0d;p=thirdparty%2Futil-linux.git

lib/fileutils: add is_dotdir_dirent()

This code pattern is repeated on many places, let's move it to
simple inline function.

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/include/fileutils.h b/include/fileutils.h
index 672f1c985..d6a15fd0b 100644
--- a/include/fileutils.h
+++ b/include/fileutils.h
@@ -119,4 +119,12 @@ extern char *ul_restricted_path_oper(const char *path,
 		int (*oper)(const char *path, char **result, void *data),
 		void *data);
 
+/* return 1 if @d is "." or ".." */
+static inline bool is_dotdir_dirent(const struct dirent *d)
+{
+	return (d && d->d_name[0] == '.'
+		&& (d->d_name[1] == 0
+		    || (d->d_name[1] == '.' && d->d_name[2] == 0)));
+}
+
 #endif /* UTIL_LINUX_FILEUTILS */