OpenCoverage

dup-safer.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/coreutils/src/gnulib/lib/dup-safer.c
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1/* Invoke dup, but avoid some glitches.-
2-
3 Copyright (C) 2001, 2004-2006, 2009-2018 Free Software Foundation, Inc.-
4-
5 This program is free software: you can redistribute it and/or modify-
6 it under the terms of the GNU General Public License as published by-
7 the Free Software Foundation; either version 3 of the License, or-
8 (at your option) any later version.-
9-
10 This program is distributed in the hope that it will be useful,-
11 but WITHOUT ANY WARRANTY; without even the implied warranty of-
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the-
13 GNU General Public License for more details.-
14-
15 You should have received a copy of the GNU General Public License-
16 along with this program. If not, see <https://www.gnu.org/licenses/>. */-
17-
18/* Written by Paul Eggert. */-
19-
20#include <config.h>-
21-
22#include "unistd-safer.h"-
23-
24#include <fcntl.h>-
25#include <unistd.h>-
26-
27/* Like dup, but do not return STDIN_FILENO, STDOUT_FILENO, or-
28 STDERR_FILENO. */-
29-
30int-
31dup_safer (int fd)-
32{-
33 return fcntl (fd, F_DUPFD, STDERR_FILENO + 1);
executed 5 times by 3 tests: return rpl_fcntl (fd, 0 , 2 + 1);
Executed by:
  • cp
  • tac
  • tail
5
34}-
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