glibc/support/xsystem.c
Frédéric Bérat 8022fc7d51 tests: replace system by xsystem
With fortification enabled, system calls return result needs to be checked,
has it gets the __wur macro enabled.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2023-06-19 09:15:05 -04:00

38 lines
1.2 KiB
C

/* Error-checking replacement for "system".
Copyright (C) 2023 Free Software Foundation, Inc.
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/support.h>
#include <support/check.h>
#include <support/xstdlib.h>
void
xsystem (const char *cmd)
{
int ret = system (cmd);
if (ret == 0 && cmd == NULL)
FAIL_EXIT1 ("Unable to spawn a shell for NULL command");
if (ret == 127)
FAIL_EXIT1 ("Child terminated with status 127");
if (ret < 0)
FAIL_EXIT1 ("system (\"%s\")", cmd);
}