aboutsummaryrefslogtreecommitdiff
path: root/support/xsystem.c
diff options
context:
space:
mode:
authorFrédéric Bérat <fberat@redhat.com>2023-06-14 10:52:07 +0200
committerSiddhesh Poyarekar <siddhesh@sourceware.org>2023-06-19 09:15:05 -0400
commit8022fc7d5119a22e9e0ac72798f649385b0e167a (patch)
treef2cdb5c88d14c05e96395f0cdc99a6692ec0f8da /support/xsystem.c
parent20b6b8e8a50874dd189687df8f6f8a11d4813b34 (diff)
downloadglibc-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.c37
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);
+}