X-Git-Url: https://git.cworth.org/git?p=tar;a=blobdiff_plain;f=gnu%2Fmkfifoat.c;fp=gnu%2Fmkfifoat.c;h=814351dc967d289f52569be8decc29275982b748;hp=0000000000000000000000000000000000000000;hb=ee168310ec4227174ace489bf5f81f8c2f91cde0;hpb=22f1eb8bc17e5be72dd23d42d6aaa60196ac22e6

diff --git a/gnu/mkfifoat.c b/gnu/mkfifoat.c
new file mode 100644
index 0000000..814351d
--- /dev/null
+++ b/gnu/mkfifoat.c
@@ -0,0 +1,57 @@
+/* -*- buffer-read-only: t -*- vi: set ro: */
+/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
+/* Create a named fifo relative to an open directory.
+   Copyright (C) 2009-2010 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 <http://www.gnu.org/licenses/>.  */
+
+/* written by Eric Blake */
+
+#include <config.h>
+
+#include <sys/stat.h>
+
+#if !HAVE_MKFIFO
+
+# include <errno.h>
+
+/* Mingw lacks mkfifo, so this wrapper is trivial.  */
+
+int
+mkfifoat (int fd _GL_UNUSED, char const *path _GL_UNUSED,
+          mode_t mode _GL_UNUSED)
+{
+  errno = ENOSYS;
+  return -1;
+}
+
+#else /* HAVE_MKFIFO */
+
+/* Create a named fifo FILE relative to directory FD, with access
+   permissions in MODE.  If possible, do it without changing the
+   working directory.  Otherwise, resort to using save_cwd/fchdir,
+   then mkfifo/restore_cwd.  If either the save_cwd or the restore_cwd
+   fails, then give a diagnostic and exit nonzero.  */
+
+# define AT_FUNC_NAME mkfifoat
+# define AT_FUNC_F1 mkfifo
+# define AT_FUNC_POST_FILE_PARAM_DECLS , mode_t mode
+# define AT_FUNC_POST_FILE_ARGS        , mode
+# include "at-func.c"
+# undef AT_FUNC_NAME
+# undef AT_FUNC_F1
+# undef AT_FUNC_POST_FILE_PARAM_DECLS
+# undef AT_FUNC_POST_FILE_ARGS
+
+#endif /* HAVE_MKFIFO */