59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
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/* Create a named fifo.
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Copyright (C) 2009-2020 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* written by Eric Blake */
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#include <config.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <string.h>
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#if !HAVE_MKFIFO
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/* Mingw lacks mkfifo; always fail with ENOSYS. */
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int
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mkfifo (char const *name _GL_UNUSED, mode_t mode _GL_UNUSED)
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{
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errno = ENOSYS;
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return -1;
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}
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#else /* HAVE_MKFIFO */
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# undef mkfifo
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/* Create a named fifo FILE, with access permissions in MODE. Work
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around trailing slash bugs. */
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int
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rpl_mkfifo (char const *name, mode_t mode)
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{
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# if MKFIFO_TRAILING_SLASH_BUG
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size_t len = strlen (name);
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if (len && name[len - 1] == '/')
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{
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struct stat st;
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if (stat (name, &st) == 0)
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errno = EEXIST;
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return -1;
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}
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# endif
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return mkfifo (name, mode);
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}
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#endif /* HAVE_MKFIFO */
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