Subversion Repositories openrisc

/*
#notarget: cris*-*-elf
*/
 
#define _GNU_SOURCE
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
 
int main (int argc, char *argv[])
{
  int fd = open (argv[0], O_RDONLY);
  struct stat sb;
  int size;
  void *a;
  const char *str = "a string you'll only find in the program";
 
  if (fd == -1)
    {
      perror ("open");
      abort ();
    }
 
  if (fstat (fd, &sb) < 0)
    {
      perror ("fstat");
      abort ();
    }
 
  size = sb.st_size;
 
  /* We want to test mmapping a size that isn't exactly a page.  */
  if ((size & 8191) == 0)
    size--;
 
#ifndef MMAP_FLAGS
#define MMAP_FLAGS MAP_PRIVATE
#endif
 
  a = mmap (NULL, size, PROT_READ, MMAP_FLAGS, fd, 0);
 
  if (memmem (a, size, str, strlen (str) + 1) == NULL)
    abort ();
 
  printf ("pass\n");
  exit (0);
}