1 // RUN: %clang_scudo %s -o %t
2 // RUN: rm -rf %T/random_shuffle_tmp_dir
3 // RUN: mkdir %T/random_shuffle_tmp_dir
4 // RUN: %run %t 100 > %T/random_shuffle_tmp_dir/out1
5 // RUN: %run %t 100 > %T/random_shuffle_tmp_dir/out2
6 // RUN: %run %t 10000 > %T/random_shuffle_tmp_dir/out1
7 // RUN: %run %t 10000 > %T/random_shuffle_tmp_dir/out2
8 // RUN: not diff %T/random_shuffle_tmp_dir/out?
9 // RUN: rm -rf %T/random_shuffle_tmp_dir
10 // UNSUPPORTED: i386-linux,i686-linux,arm-linux,armhf-linux
11 
12 // Tests that the allocator shuffles the chunks before returning to the user.
13 
14 #include <stdlib.h>
15 #include <stdio.h>
16 
17 int main(int argc, char **argv) {
18   int alloc_size = argc == 2 ? atoi(argv[1]) : 100;
19   char *base = new char[alloc_size];
20   for (int i = 0; i < 20; i++) {
21     char *p = new char[alloc_size];
22     printf("%zd\n", base - p);
23   }
24 }
25