Ticket #19062: foo.c

#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/stat.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#ifndef O_BINARY
# define O_BINARY 0
#endif

int
main ()
{
  const char *linkname = "link4";
  struct stat statbuf;
  unlink (linkname);
  assert (symlink ("/nonexistent/test8237/24715863701440", linkname) >= 0);
  assert (stat (linkname, &statbuf) < 0);

  int ret = open (linkname, O_RDWR | O_BINARY | O_TRUNC | O_CREAT, 0666);

  if (ret >= 0)
    printf ("ret = %d\n", ret);
  else if (errno == ENOENT)
    printf ("ret = %d, errno == ENOENT\n", ret);
  else
    printf ("ret = %d, errno == %s\n", ret, strerror (errno));

  assert (ret < 0);
  assert (errno == ENOENT);

  printf ("OK\n");
}