1// RUN: %clangxx_scudo %s -lstdc++ -o %t
2// RUN: %run %t 2>&1
3
4// Tests that a regular workflow of allocation, memory fill and free works as
5// intended. Tests various sizes serviced by the primary and secondary
6// allocators.
7
8#include <assert.h>
9#include <stdlib.h>
10#include <string.h>
11
12#include <vector>
13
14int main(int argc, char **argv) {
15 void *p;
16 std::vector<ssize_t> sizes{1, 8, 16, 32, 1024, 32768,
17 1 << 16, 1 << 17, 1 << 20, 1 << 24};
18 std::vector<int> offsets{1, 0, -1, -7, -8, -15, -16, -31, -32};
19
20 p = malloc(size: 0);
21 assert(p);
22 free(ptr: p);
23 for (ssize_t size : sizes) {
24 for (int offset : offsets) {
25 ssize_t actual_size = size + offset;
26 if (actual_size <= 0)
27 continue;
28 p = malloc(size: actual_size);
29 assert(p);
30 memset(s: p, c: 0xff, n: actual_size);
31 free(ptr: p);
32 }
33 }
34
35 return 0;
36}
37

source code of compiler-rt/test/scudo/malloc.cpp