mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 13:30:06 +00:00
04b1eb161f
Add xdup as the error-checking version of dup for test cases. Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
31 lines
974 B
C
31 lines
974 B
C
/* dup with error checking.
|
|
Copyright The GNU Toolchain Authors.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <support/xunistd.h>
|
|
#include <support/check.h>
|
|
|
|
int
|
|
xdup (int from)
|
|
{
|
|
int ret = dup (from);
|
|
if (ret < 0)
|
|
FAIL_EXIT1 ("dup (%d): %m", from);
|
|
|
|
return ret;
|
|
}
|