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 8 struct super { int x; }; 9 static struct super superblock = { 12345 }; 10 11 /* run with `valgrind -q --malloc-fill=0xaf --free-fill=0xdb` */ 12 int 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
