glibc/posix/tst-execv2.c
Frédéric Bérat 8c4f69d711 tests: fix warn unused result on asprintf calls
When enabling _FORTIFY_SOURCE, some functions now lead to warnings when
their result is not checked.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2023-06-06 08:23:53 -04:00

57 lines
904 B
C

#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/stat.h>
static void prepare (int argc, char *argv[]);
static int do_test (void);
#define PREPARE(argc, argv) prepare (argc, argv)
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
static char *copy;
static void
prepare (int argc, char *argv[])
{
char *buf;
int off;
buf = xasprintf ("cp %s %n%s-copy", argv[0], &off, argv[0]);
if (system (buf) != 0)
{
puts ("system failed");
exit (1);
}
/* Make it not executable. */
copy = buf + off;
if (chmod (copy, 0666) != 0)
{
puts ("chmod failed");
exit (1);
}
add_temp_file (copy);
}
static int
do_test (void)
{
char *argv[] = { copy, NULL };
errno = 0;
execv (copy, argv);
if (errno != EACCES)
{
printf ("errno = %d (%m), expected EACCES\n", errno);
return 1;
}
return 0;
}