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authorLudovic Courtès <ludo@gnu.org>2012-01-16 23:49:21 +0100
committerLudovic Courtès <ludo@gnu.org>2012-01-16 23:49:21 +0100
commitf0007cade095c5a2878ebbb8ea8c9b40810e4509 (patch)
treecc6c2631aea42ba8ab20d26701dae099348b5b43 /lib/dirfd.c
parentad17b1551241a0fbaa9f9557016cbe440cc6338b (diff)
downloadguile-f0007cade095c5a2878ebbb8ea8c9b40810e4509.tar.gz
Update Gnulib to v0.0-6827-g39c3009; use the `dirfd' module.
* m4/gnulib-cache.m4: Use `dirfd'. * libguile/filesys.c: Include Gnulib's <dirent.h> directly. (dirfd): Remove. Suggested by Bruno Haible <bruno@clisp.org>.
Diffstat (limited to 'lib/dirfd.c')
-rw-r--r--lib/dirfd.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/dirfd.c b/lib/dirfd.c
new file mode 100644
index 000000000..7013010ba
--- /dev/null
+++ b/lib/dirfd.c
@@ -0,0 +1,32 @@
+/* dirfd.c -- return the file descriptor associated with an open DIR*
+
+ Copyright (C) 2001, 2006, 2008-2012 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Jim Meyering. */
+
+#include <config.h>
+
+#include <dirent.h>
+#include <errno.h>
+
+int
+dirfd (DIR *dir_p)
+{
+ int fd = DIR_TO_FD (dir_p);
+ if (fd == -1)
+ errno = ENOTSUP;
+ return fd;
+}