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 ae9f2e3e..00000000 --- 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 | } | ||
