#include #include #include #include #include "valgrind.h" #include "../memcheck.h" struct super { int x; }; static struct super superblock = { 12345 }; /* run with `valgrind -q --malloc-fill=0xaf --free-fill=0xdb` */ int main(int argc, char **argv) { unsigned char *s; VALGRIND_CREATE_MEMPOOL(&superblock, /*rzB=*/0, /*is_zeroed=*/0); s = malloc(40); assert(s); assert(*s == 0xaf); *s = 0x05; VALGRIND_MEMPOOL_ALLOC(&superblock, s, 40); printf("*s=%#hhx after MEMPOOL_ALLOC\n", *s); VALGRIND_MEMPOOL_FREE(&superblock, s); printf("*s=%#hhx after MEMPOOL_FREE\n", *s); VALGRIND_MEMPOOL_ALLOC(&superblock, s, 40); printf("*s=%#hhx after second MEMPOOL_ALLOC\n", *s); free(s); VALGRIND_DESTROY_MEMPOOL(&superblock); s = malloc(40); assert(s); assert(*s == 0xaf); *s = 0x05; VALGRIND_MALLOCLIKE_BLOCK(s, 40, 0/*rzB*/, 0/*is_zeroed*/); printf("*s=%#hhx after MALLOCLIKE_BLOCK\n", *s); VALGRIND_FREELIKE_BLOCK(s, 0/*rzB*/); printf("*s=%#hhx after FREELIKE_BLOCK\n", *s); VALGRIND_MALLOCLIKE_BLOCK(s, 40, 0/*rzB*/, 0/*is_zeroed*/); printf("*s=%#hhx after second MALLOCLIKE_BLOCK\n", *s); return 0; }