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Commit | Line | Data |
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dd43edf4 TS |
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 | } |