#define BUFFSIZE 204800
#define TESTSIZE 100
+#define size_of_block(i) (((i % 50)+1)* 100)
int main(int argc, char**argv)
{
int i, size;
for (i = 0; i < TESTSIZE; i++) {
- size = ((i % 10)+1)* 100;
+ size = size_of_block(i);
+ pointers[i] = mmalloc(heapA, size);
+ XBT_INFO("%d bytes allocated with offset %tx", size, ((char*)pointers[i])-((char*)heapA));
+ }
+ XBT_INFO("All blocks were correctly allocated. Free every second block");
+ for (i = 0; i < TESTSIZE; i+=2) {
+ size = size_of_block(i);
+ mfree(heapA,pointers[i]);
+ }
+ XBT_INFO("Memset every second block to zero (yeah, they are not currently allocated :)");
+ for (i = 0; i < TESTSIZE; i+=2) {
+ size = size_of_block(i);
+ memset(pointers[i],0, size);
+ }
+ XBT_INFO("Re-allocate every second block");
+ for (i = 0; i < TESTSIZE; i+=2) {
+ size = size_of_block(i);
pointers[i] = mmalloc(heapA, size);
- XBT_INFO("%d bytes allocated with offset %lu", size, ((char*)pointers[i])-((char*)heapA));
}
+ XBT_INFO("free all blocks (each one twice, to check that double free are correctly catched)");
for (i = 0; i < TESTSIZE; i++) {
+ xbt_ex_t e;
+ int gotit = 1;
+
mfree(heapA, pointers[i]);
+ TRY {
+ mfree(heapA, pointers[i]);
+ gotit = 0;
+ } CATCH(e) {
+ xbt_ex_free(e);
+ }
+ if (!gotit)
+ xbt_die("FAIL: A double-free went undetected (for size:%d)",size_of_block(i));
}
- XBT_INFO("Done; bye bye");
+ XBT_INFO("free again all blocks (to really check that double free are correctly catched)");
+ for (i = 0; i < TESTSIZE; i++) {
+ xbt_ex_t e;
+ int gotit = 1;
+
+ TRY {
+ mfree(heapA, pointers[i]);
+ gotit = 0;
+ } CATCH(e) {
+ xbt_ex_free(e);
+ }
+ if (!gotit)
+ xbt_die("FAIL: A double-free went undetected (for size:%d)",size_of_block(i));
+ }
+
+
+ XBT_INFO("Damnit, I cannot break mmalloc this time. That's SO disappointing.");
return 0;
}