/* Test for fdopen bugs.  */

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <fcntl.h>

#undef assert

#define assert(x) \

  if (!(x)) \

    { \

      fputs ("test failed: " #x "\n", stderr); \

      retval = 1; \

      goto the_end; \

    }

char buffer[256];

int

main (int argc, char *argv[])

{

  char name[] = "/tmp/tst-fdopen.XXXXXX";

  FILE *fp = NULL;

  int retval = 0;

  int fd;

  fd = mkstemp (name);

  if (fd == -1)

    {

      printf ("mkstemp failed: %m\n");

      return 1;

    }

  close (fd);

  fp = fopen (name, "w");

  assert (fp != NULL)

  fputs ("foobar and baz", fp);

  fclose (fp);

  fp = NULL;

  fd = open (name, O_RDONLY);

  assert (fd != -1);

  assert (lseek (fd, 5, SEEK_SET) == 5);

  /* The file position indicator associated with the new stream is set to

     the position indicated by the file offset associated with the file

     descriptor.  */

  fp = fdopen (fd, "r");

  assert (fp != NULL);

  assert (getc (fp) == 'r');

  assert (getc (fp) == ' ');

the_end:

  if (fp != NULL)

    fclose (fp);

  unlink (name);

  return retval;

}