diff options
Diffstat (limited to 'lib/dup-safer.c')
-rw-r--r-- | lib/dup-safer.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/lib/dup-safer.c b/lib/dup-safer.c deleted file mode 100644 index 8cbee700..00000000 --- a/lib/dup-safer.c +++ /dev/null | |||
@@ -1,46 +0,0 @@ | |||
1 | /* Invoke dup, but avoid some glitches. | ||
2 | Copyright (C) 2001, 2004, 2005 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 2, or (at your option) | ||
7 | 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, write to the Free Software Foundation, | ||
16 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ | ||
17 | |||
18 | /* Written by Paul Eggert. */ | ||
19 | |||
20 | #ifdef HAVE_CONFIG_H | ||
21 | # include <config.h> | ||
22 | #endif | ||
23 | |||
24 | #include "unistd-safer.h" | ||
25 | |||
26 | #include <fcntl.h> | ||
27 | |||
28 | #include <unistd.h> | ||
29 | #ifndef STDERR_FILENO | ||
30 | # define STDERR_FILENO 2 | ||
31 | #endif | ||
32 | |||
33 | /* Like dup, but do not return STDIN_FILENO, STDOUT_FILENO, or | ||
34 | STDERR_FILENO. */ | ||
35 | |||
36 | int | ||
37 | dup_safer (int fd) | ||
38 | { | ||
39 | #ifdef F_DUPFD | ||
40 | return fcntl (fd, F_DUPFD, STDERR_FILENO + 1); | ||
41 | #else | ||
42 | /* fd_safer calls us back, but eventually the recursion unwinds and | ||
43 | does the right thing. */ | ||
44 | return fd_safer (dup (fd)); | ||
45 | #endif | ||
46 | } | ||