1  /* BZ 11040 */
       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      { "alpha",	no_argument,       NULL, 'a' },
      10      { "beta",	required_argument, NULL, 'b' },
      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  	  int out[n])
      17  {
      18    optind = 1;
      19  
      20    int res = 0;
      21    for (int i = 0; i < n; ++i)
      22      {
      23        rewind (stderr);
      24        if (ftruncate (fileno (stderr), 0) != 0)
      25  	{
      26  	  puts ("cannot truncate file");
      27  	  return 1;
      28  	}
      29  
      30        int c = getopt_long (argc, argv, fmt, opts, NULL);
      31        if (c != expected[i])
      32  	{
      33  	  printf ("format '%s' test %d failed: expected '%c', got '%c'\n",
      34  		  fmt, i, expected[i], c);
      35  	  res = 1;
      36  	}
      37        if ((ftell (stderr) != 0) != out[i])
      38  	{
      39  	  printf ("format '%s' test %d failed: %sprinted to stderr\n",
      40  		  fmt, i, out[i] ? "not " : "");
      41  	  res = 1;
      42  	}
      43      }
      44  
      45    return res;
      46  }
      47  
      48  
      49  static int
      50  do_test (void)
      51  {
      52    char fname[] = "/tmp/bug-getopt3.XXXXXX";
      53    int fd = mkstemp (fname);
      54    if (fd == -1)
      55      {
      56        printf ("mkstemp failed: %m\n");
      57        return 1;
      58      }
      59    close (fd);
      60  
      61    if (freopen (fname, "w+", stderr) == NULL)
      62      {
      63        puts ("cannot redirect stderr");
      64        return 1;
      65      }
      66  
      67    remove (fname);
      68  
      69    int ret = one_test ("ab:W;", 2,
      70  		      (char *[2]) { (char *) "bug-getopt3", (char *) "-a;" },
      71  		      2, (int [2]) { 'a', '?' }, (int [2]) { 0, 1 });
      72  
      73    ret |= one_test ("ab:W;", 2,
      74  		   (char *[2]) { (char *) "bug-getopt3", (char *) "-a:" }, 2,
      75  		   (int [2]) { 'a', '?' }, (int [2]) { 0, 1 });
      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"