diff options
Diffstat (limited to 'gl/pipe-safer.c')
-rw-r--r-- | gl/pipe-safer.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/gl/pipe-safer.c b/gl/pipe-safer.c deleted file mode 100644 index ae9f2e3..0000000 --- a/gl/pipe-safer.c +++ /dev/null | |||
@@ -1,56 +0,0 @@ | |||
1 | /* Invoke pipe, but avoid some glitches. | ||
2 | Copyright (C) 2005-2006, 2009-2010 Free Software Foundation, Inc. | ||
3 | |||
4 | This program is free software: you can redistribute it and/or modify | ||
5 | it under the terms of the GNU General Public License as published by | ||
6 | the Free Software Foundation; either version 3 of the License, or | ||
7 | (at your option) any later version. | ||
8 | |||
9 | This program is distributed in the hope that it will be useful, | ||
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | GNU General Public License for more details. | ||
13 | |||
14 | You should have received a copy of the GNU General Public License | ||
15 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | ||
16 | |||
17 | /* Written by Jim Meyering. */ | ||
18 | |||
19 | #include <config.h> | ||
20 | |||
21 | #include "unistd-safer.h" | ||
22 | |||
23 | #include <unistd.h> | ||
24 | #include <errno.h> | ||
25 | |||
26 | /* Like pipe, but ensure that neither of the file descriptors is | ||
27 | STDIN_FILENO, STDOUT_FILENO, or STDERR_FILENO. Fail with ENOSYS on | ||
28 | platforms that lack pipe. */ | ||
29 | |||
30 | int | ||
31 | pipe_safer (int fd[2]) | ||
32 | { | ||
33 | #if HAVE_PIPE | ||
34 | if (pipe (fd) == 0) | ||
35 | { | ||
36 | int i; | ||
37 | for (i = 0; i < 2; i++) | ||
38 | { | ||
39 | fd[i] = fd_safer (fd[i]); | ||
40 | if (fd[i] < 0) | ||
41 | { | ||
42 | int e = errno; | ||
43 | close (fd[1 - i]); | ||
44 | errno = e; | ||
45 | return -1; | ||
46 | } | ||
47 | } | ||
48 | |||
49 | return 0; | ||
50 | } | ||
51 | #else | ||
52 | errno = ENOSYS; | ||
53 | #endif | ||
54 | |||
55 | return -1; | ||
56 | } | ||