File: mkfifo.c

package info (click to toggle)
octave 4.4.1-5
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 114,832 kB
  • sloc: cpp: 310,009; ansic: 54,616; fortran: 22,631; yacc: 8,706; sh: 8,231; objc: 7,972; lex: 3,897; perl: 1,540; java: 1,309; awk: 1,070; makefile: 415; xml: 59
file content (58 lines) | stat: -rw-r--r-- 1,475 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
/* Create a named fifo.
   Copyright (C) 2009-2018 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 Eric Blake */

#include <config.h>

#include <sys/stat.h>

#include <errno.h>
#include <string.h>

#if !HAVE_MKFIFO
/* Mingw lacks mkfifo; always fail with ENOSYS.  */

int
mkfifo (char const *name _GL_UNUSED, mode_t mode _GL_UNUSED)
{
  errno = ENOSYS;
  return -1;
}

#else /* HAVE_MKFIFO */

# undef mkfifo

/* Create a named fifo FILE, with access permissions in MODE.  Work
around trailing slash bugs.  */

int
rpl_mkfifo (char const *name, mode_t mode)
{
# if MKFIFO_TRAILING_SLASH_BUG
  size_t len = strlen (name);
  if (len && name[len - 1] == '/')
    {
      struct stat st;
      if (stat (name, &st) == 0)
        errno = EEXIST;
      return -1;
    }
# endif
  return mkfifo (name, mode);
}
#endif /* HAVE_MKFIFO */