ths | dd43edf | 2007-10-08 13:32:20 +0000 | [diff] [blame] | 1 | /* |
| 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 | |
| 15 | int 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 | } |