mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-08 14:20:07 +00:00
8c4f69d711
When enabling _FORTIFY_SOURCE, some functions now lead to warnings when their result is not checked. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
#include <errno.h>
|
|
#include <libgen.h>
|
|
#undef basename
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.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"
|
|
|
|
#ifndef EXECVP
|
|
# define EXECVP(file, argv) execvp (file, argv)
|
|
#endif
|
|
|
|
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)
|
|
{
|
|
/* Make sure we do not find a binary with the name we are going to
|
|
use. */
|
|
char *bindir = strdupa (copy);
|
|
bindir = canonicalize_file_name (dirname (bindir));
|
|
if (bindir == NULL)
|
|
{
|
|
puts ("canonicalize_file_name failed");
|
|
return 1;
|
|
}
|
|
|
|
char *path = xasprintf ("%s:../libio:../elf", bindir);
|
|
|
|
setenv ("PATH", path, 1);
|
|
|
|
char *argv[] = { basename (copy), NULL };
|
|
errno = 0;
|
|
EXECVP (argv[0], argv);
|
|
|
|
if (errno != EACCES)
|
|
{
|
|
printf ("errno = %d (%m), expected EACCES\n", errno);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|