blob: b803f0c431e7d030250795c0a76d4131bfc09e87 [file] [log] [blame]
thsdd43edf2007-10-08 13:32:20 +00001/*
2#notarget: cris*-*-elf
3*/
4
5#define _GNU_SOURCE
6#include <string.h>
7#include <stdlib.h>
8#include <stdio.h>
9#include <sys/types.h>
10#include <sys/stat.h>
11#include <fcntl.h>
12#include <unistd.h>
13#include <sys/mman.h>
14
15int main (int argc, char *argv[])
16{
17 int fd = open (argv[0], O_RDONLY);
18 struct stat sb;
19 int size;
20 void *a;
21 const char *str = "a string you'll only find in the program";
22
23 if (fd == -1)
24 {
25 perror ("open");
26 abort ();
27 }
28
29 if (fstat (fd, &sb) < 0)
30 {
31 perror ("fstat");
32 abort ();
33 }
34
35 size = sb.st_size;
36
37 /* We want to test mmapping a size that isn't exactly a page. */
38 if ((size & 8191) == 0)
39 size--;
40
41 a = mmap (NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
42
43 if (memmem (a, size, str, strlen (str) + 1) == NULL)
44 abort ();
45
46 printf ("pass\n");
47 exit (0);
48}