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test: check getcwd() and system() return values in litest

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Added code to check for errors in getcwd() and system() that
were previously ignored and silently dropped.

Signed-off-by: Jon A. Cruz <jonc@osg.samsung.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Jon A. Cruz 2015-06-01 18:04:59 -07:00 • committed by Peter Hutterer
parent cd33b3611b
commit edb69067ef
1 changed files with 15 additions and 3 deletions
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18
test/litest.c
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@ -84,8 +84,10 @@ litest_backtrace_get_lineno(const char *executable,
char *s;
unsigned int i;
if (!cwd[0])
getcwd(cwd, sizeof(cwd));
if (!cwd[0]) {
if (getcwd(cwd, sizeof(cwd)) == NULL)
cwd[0] = 0; /* contents otherwise undefined. */
}
sprintf (buffer,
ADDR2LINE " -C -e %s -i %lx",
@ -375,7 +377,17 @@ static struct list all_tests;
static void
litest_reload_udev_rules(void)
{
system("udevadm control --reload-rules");
int ret = system("udevadm control --reload-rules");
if (ret == -1) {
litest_abort_msg("Failed to execute: udevadm");
} else if (WIFEXITED(ret)) {
if (WEXITSTATUS(ret))
litest_abort_msg("udevadm failed with %d",
WEXITSTATUS(ret));
} else if (WIFSIGNALED(ret)) {
litest_abort_msg("udevadm terminated with signal %d",
WTERMSIG(ret));
}
}
static int