1#include <string.h>
2#include <stdio.h>
3#include <stdlib.h>
4#include <assert.h>
5#include "valgrind.h"
6#include "../memcheck.h"
7
8struct super { int x; };
9static struct super superblock = { 12345 };
10
11/* run with `valgrind -q --malloc-fill=0xaf --free-fill=0xdb` */
12int main(int argc, char **argv)
13{
14    unsigned char *s;
15    VALGRIND_CREATE_MEMPOOL(&superblock, /*rzB=*/0, /*is_zeroed=*/0);
16    s = malloc(40);
17    assert(s);
18    assert(*s == 0xaf);
19    *s = 0x05;
20    VALGRIND_MEMPOOL_ALLOC(&superblock, s, 40);
21    printf("*s=%#hhx after MEMPOOL_ALLOC\n", *s);
22    VALGRIND_MEMPOOL_FREE(&superblock, s);
23    printf("*s=%#hhx after MEMPOOL_FREE\n", *s);
24    VALGRIND_MEMPOOL_ALLOC(&superblock, s, 40);
25    printf("*s=%#hhx after second MEMPOOL_ALLOC\n", *s);
26    free(s);
27    VALGRIND_DESTROY_MEMPOOL(&superblock);
28
29    s = malloc(40);
30    assert(s);
31    assert(*s == 0xaf);
32    *s = 0x05;
33    VALGRIND_MALLOCLIKE_BLOCK(s, 40, 0/*rzB*/, 0/*is_zeroed*/);
34    printf("*s=%#hhx after MALLOCLIKE_BLOCK\n", *s);
35    VALGRIND_FREELIKE_BLOCK(s, 0/*rzB*/);
36    printf("*s=%#hhx after FREELIKE_BLOCK\n", *s);
37    VALGRIND_MALLOCLIKE_BLOCK(s, 40, 0/*rzB*/, 0/*is_zeroed*/);
38    printf("*s=%#hhx after second MALLOCLIKE_BLOCK\n", *s);
39
40    return 0;
41}
42
43