1  /* BZ 11041 */
       2  #include <getopt.h>
       3  #include <unistd.h>
       4  #include <stdio.h>
       5  #include <stdlib.h>
       6  
       7  static const struct option opts[] =
       8    {
       9      { "a1",    no_argument, NULL, 'a' },
      10      { "a2",    no_argument, NULL, 'a' },
      11      { NULL,    0,           NULL, 0 }
      12    };
      13  
      14  static int
      15  one_test (const char *fmt, int argc, char *argv[], int n, int expected[n])
      16  {
      17    optind = 1;
      18  
      19    int res = 0;
      20    for (int i = 0; i < n; ++i)
      21      {
      22        rewind (stderr);
      23        if (ftruncate (fileno (stderr), 0) != 0)
      24  	{
      25  	  puts ("cannot truncate file");
      26  	  return 1;
      27  	}
      28  
      29        int c = getopt_long (argc, argv, fmt, opts, NULL);
      30        if (c != expected[i])
      31  	{
      32  	  printf ("format '%s' test %d failed: expected '%c', got '%c'\n",
      33  		  fmt, i, expected[i], c);
      34  	  res = 1;
      35  	}
      36        if (ftell (stderr) != 0)
      37  	{
      38  	  printf ("format '%s' test %d failed: printed to stderr\n",
      39  		  fmt, i);
      40  	  res = 1;
      41  	}
      42      }
      43  
      44    return res;
      45  }
      46  
      47  
      48  static int
      49  do_test (void)
      50  {
      51    char fname[] = "/tmp/bug-getopt5.XXXXXX";
      52    int fd = mkstemp (fname);
      53    if (fd == -1)
      54      {
      55        printf ("mkstemp failed: %m\n");
      56        return 1;
      57      }
      58    close (fd);
      59  
      60    if (freopen (fname, "w+", stderr) == NULL)
      61      {
      62        puts ("cannot redirect stderr");
      63        return 1;
      64      }
      65  
      66    remove (fname);
      67  
      68    int ret = one_test (":W;", 2,
      69  		      (char *[2]) { (char *) "bug-getopt5", (char *) "--a" },
      70  		      1, (int [1]) { 'a' });
      71  
      72    ret |= one_test (":W;", 3,
      73  		   (char *[3]) { (char *) "bug-getopt5", (char *) "-W",
      74  				 (char *) "a" },
      75  		   1, (int [1]) { 'a' });
      76  
      77    if (ret == 0)
      78      puts ("all OK");
      79  
      80    return ret;
      81  }
      82  
      83  #define TEST_FUNCTION do_test ()
      84  #include "../test-skeleton.c"