From ed0d40229bc536c424fad481e56afcaa1d0e38db Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 17 Sep 2015 01:21:19 +0200
Subject: util: add safe_closedir() similar to safe_fclose()

---
 src/basic/util.c | 11 +++++++++++
 src/basic/util.h |  1 +
 2 files changed, 12 insertions(+)

(limited to 'src/basic')

diff --git a/src/basic/util.c b/src/basic/util.c
index e3b2af8e02..0c3ef2a68c 100644
--- a/src/basic/util.c
+++ b/src/basic/util.c
@@ -354,6 +354,17 @@ FILE* safe_fclose(FILE *f) {
         return NULL;
 }
 
+DIR* safe_closedir(DIR *d) {
+
+        if (d) {
+                PROTECT_ERRNO;
+
+                assert_se(closedir(d) >= 0 || errno != EBADF);
+        }
+
+        return NULL;
+}
+
 int unlink_noerrno(const char *path) {
         PROTECT_ERRNO;
         int r;
diff --git a/src/basic/util.h b/src/basic/util.h
index 8abaa740b2..db5dd74770 100644
--- a/src/basic/util.h
+++ b/src/basic/util.h
@@ -151,6 +151,7 @@ void close_many(const int fds[], unsigned n_fd);
 
 int fclose_nointr(FILE *f);
 FILE* safe_fclose(FILE *f);
+DIR* safe_closedir(DIR *f);
 
 int parse_size(const char *t, uint64_t base, uint64_t *size);
 
-- 
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