mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 01:33:36 +08:00
support: Add xdup
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>
This commit is contained in:
parent
ab4388f91c
commit
04b1eb161f
@ -128,6 +128,7 @@ libsupport-routines = \
|
||||
xcopy_file_range \
|
||||
xdlfcn \
|
||||
xdlmopen \
|
||||
xdup \
|
||||
xdup2 \
|
||||
xfchmod \
|
||||
xfclose \
|
||||
|
30
support/xdup.c
Normal file
30
support/xdup.c
Normal file
@ -0,0 +1,30 @@
|
||||
/* 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;
|
||||
}
|
@ -35,6 +35,7 @@ pid_t xfork (void);
|
||||
pid_t xwaitpid (pid_t, int *status, int flags);
|
||||
void xpipe (int[2]);
|
||||
void xdup2 (int, int);
|
||||
int xdup (int);
|
||||
int xopen (const char *path, int flags, mode_t);
|
||||
void support_check_stat_fd (const char *name, int fd, int result);
|
||||
void support_check_stat_path (const char *name, const char *path, int result);
|
||||
|
Loading…
Reference in New Issue
Block a user