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authorJörg Frings-Fürst <debian@jff.email>2024-10-20 15:21:58 +0200
committerJörg Frings-Fürst <debian@jff.email>2024-10-20 15:21:58 +0200
commit630f99f29bd31a76d8d24da2975a045452c763ef (patch)
tree0c801f68561bfb0930a4ade80d7ca3a7940887ab /tests/test-dirfd.c
parent84e26c587987e8484d55db4165f188b40c09e94b (diff)
parent4682deeb62247d34de87f8e777f99e2d337fd377 (diff)
Update upstream source from tag 'upstream/1.3'
Update to upstream version '1.3' with Debian dir 8a8e4828ddf646ece6c109b401e08d162be35936
Diffstat (limited to 'tests/test-dirfd.c')
-rw-r--r--tests/test-dirfd.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/test-dirfd.c b/tests/test-dirfd.c
new file mode 100644
index 00000000..132b378a
--- /dev/null
+++ b/tests/test-dirfd.c
@@ -0,0 +1,47 @@
+/* Test of dirfd() function.
+ Copyright (C) 2023-2024 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2023. */
+
+#include <config.h>
+
+#include <dirent.h>
+
+#include <stdio.h>
+
+#include "macros.h"
+
+int
+main ()
+{
+#if defined _WIN32 && !defined __CYGWIN__
+ fprintf (stderr, "Skipping test: The DIR type does not contain a file descriptor.\n");
+ return 77;
+#else
+ /* On all other platforms, we expect to have either
+ - a dirfd() function, or
+ - a dirfd macro, or
+ - a DIR struct with a d_fd member, or
+ - a DIR struct with a dd_fd member.
+ If we don't have this, dirfd.c produces a function that always returns -1.
+ Check here that this does not happen. */
+ DIR *d = opendir (".");
+ int fd = dirfd (d);
+ ASSERT (fd >= 0);
+
+ return test_exit_status;
+#endif
+}