diff options
author | Frédéric Bérat <fberat@redhat.com> | 2023-06-14 10:52:07 +0200 |
---|---|---|
committer | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2023-06-19 09:15:05 -0400 |
commit | 8022fc7d5119a22e9e0ac72798f649385b0e167a (patch) | |
tree | f2cdb5c88d14c05e96395f0cdc99a6692ec0f8da /support/xsystem.c | |
parent | 20b6b8e8a50874dd189687df8f6f8a11d4813b34 (diff) | |
download | glibc-8022fc7d5119a22e9e0ac72798f649385b0e167a.zip glibc-8022fc7d5119a22e9e0ac72798f649385b0e167a.tar.gz glibc-8022fc7d5119a22e9e0ac72798f649385b0e167a.tar.bz2 |
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>
Diffstat (limited to 'support/xsystem.c')
-rw-r--r-- | support/xsystem.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/support/xsystem.c b/support/xsystem.c new file mode 100644 index 0000000..1f55895 --- /dev/null +++ b/support/xsystem.c @@ -0,0 +1,37 @@ +/* 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); +} |