glibc/posix/bug-getopt3.c
2010-04-07 22:59:40 -07:00

82 lines
1.6 KiB
C

/* BZ 11040 */
#include <getopt.h>
#include <unistd.h>
#include <stdio.h>
static const struct option opts[] =
{
{ "alpha", no_argument, NULL, 'a' },
{ "beta", required_argument, NULL, 'b' },
{ NULL, 0, NULL, 0 }
};
static int
one_test (const char *fmt, int argc, char *argv[], int n, int expected[n],
int out[n])
{
optind = 1;
int res = 0;
for (int i = 0; i < n; ++i)
{
rewind (stderr);
if (ftruncate (fileno (stderr), 0) != 0)
{
puts ("cannot truncate file");
return 1;
}
int c = getopt_long (argc, argv, fmt, opts, NULL);
if (c != expected[i])
{
printf ("format '%s' test %d failed: expected '%c', got '%c'\n",
fmt, i, expected[i], c);
res = 1;
}
if ((ftell (stderr) != 0) != out[i])
{
printf ("format '%s' test %d failed: %sprinted to stderr\n",
fmt, i, out[i] ? "not " : "");
res = 1;
}
}
return res;
}
static int
do_test (void)
{
char *fname = tmpnam (NULL);
if (fname == NULL)
{
puts ("cannot generate name for temporary file");
return 1;
}
if (freopen (fname, "w+", stderr) == NULL)
{
puts ("cannot redirect stderr");
return 1;
}
remove (fname);
int ret = one_test ("ab:W;", 2,
(char *[2]) { (char *) "bug-getopt3", (char *) "-a;" },
2, (int [2]) { 'a', '?' }, (int [2]) { 0, 1 });
ret |= one_test ("ab:W;", 2,
(char *[2]) { (char *) "bug-getopt3", (char *) "-a:" }, 2,
(int [2]) { 'a', '?' }, (int [2]) { 0, 1 });
if (ret == 0)
puts ("all OK");
return ret;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"