1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81
  
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      #include <stdio.h>
#include <dirent.h>
#include <stdlib.h>
static int
do_test (void)
{
  DIR * dirp;
  long int save3 = 0;
  long int cur;
  int i = 0;
  int result = 0;
  struct dirent *dp;
  long int save0;
  long int rewind;
  dirp = opendir (".");
  if (dirp == NULL)
    {
      printf ("opendir failed: %m\n");
      return 1;
    }
  save0 = telldir (dirp);
  if (save0 == -1)
    {
      printf ("telldir failed: %m\n");
      result = 1;
    }
  for (dp = readdir (dirp); dp != NULL; dp = readdir (dirp))
    {
      /* save position 3 (after fourth entry) */
      if (i++ == 3)
	save3 = telldir (dirp);
      printf ("%s\n", dp->d_name);
      /* stop at 400 (just to make sure dirp->__offset and dirp->__size are
	 scrambled */
      if (i == 400)
	break;
    }
  printf ("going back past 4-th entry...\n");
  /* go back to saved entry */
  seekdir (dirp, save3);
  /* Check whether telldir equals to save3 now.  */
  cur = telldir (dirp);
  if (cur != save3)
    {
      printf ("seekdir (d, %ld); telldir (d) == %ld\n", save3, cur);
      result = 1;
    }
  /* print remaining files (3-last) */
  for (dp = readdir (dirp); dp != NULL; dp = readdir (dirp))
    printf ("%s\n", dp->d_name);
  /* Check rewinddir */
  rewinddir (dirp);
  rewind = telldir (dirp);
  if (rewind == -1)
    {
      printf ("telldir failed: %m\n");
      result = 1;
    }
  else if (save0 != rewind)
    {
      printf ("rewinddir didn't reset directory stream\n");
      result = 1;
    }
  closedir (dirp);
  return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
 
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