1  /* BZ 11039 */
       2  #include <unistd.h>
       3  #include <stdio.h>
       4  #include <stdlib.h>
       5  
       6  static int
       7  one_test (const char *fmt, int argc, char *argv[], int expected[argc - 1])
       8  {
       9    optind = 1;
      10  
      11    int res = 0;
      12    for (int i = 0; i < argc - 1; ++i)
      13      {
      14        rewind (stderr);
      15        if (ftruncate (fileno (stderr), 0) != 0)
      16  	{
      17  	  puts ("cannot truncate file");
      18  	  return 1;
      19  	}
      20  
      21        int c = getopt (argc, argv, fmt);
      22        if (c != expected[i])
      23  	{
      24  	  printf ("format '%s' test %d failed: expected '%c', got '%c'\n",
      25  		  fmt, i, expected[i], c);
      26  	  res = 1;
      27  	}
      28        if (ftell (stderr) != 0)
      29  	{
      30  	  printf ("format '%s' test %d failed: printed to stderr\n",
      31  		  fmt, i);
      32  	  res = 1;
      33  	}
      34      }
      35  
      36    return res;
      37  }
      38  
      39  
      40  static int
      41  do_test (void)
      42  {
      43    char fname[] = "/tmp/bug-getopt1.XXXXXX";
      44    int fd = mkstemp (fname);
      45    if (fd == -1)
      46      {
      47        printf ("mkstemp failed: %m\n");
      48        return 1;
      49      }
      50    close (fd);
      51  
      52    if (freopen (fname, "w+", stderr) == NULL)
      53      {
      54        puts ("cannot redirect stderr");
      55        return 1;
      56      }
      57  
      58    remove (fname);
      59  
      60    int ret = one_test ("+:a:b", 2,
      61  		      (char *[2]) { (char *) "bug-getopt1", (char *) "-a" },
      62  		      (int [1]) { ':' });
      63  
      64    ret |= one_test ("+:a:b", 3,
      65  		   (char *[3]) { (char *) "bug-getopt1", (char *) "-b",
      66  				 (char *) "-a" },
      67  		   (int [2]) { 'b', ':' });
      68  
      69    if (ret == 0)
      70      puts ("all OK");
      71  
      72    return ret;
      73  }
      74  
      75  #define TEST_FUNCTION do_test ()
      76  #include "../test-skeleton.c"