~CheckMemoryLeaks(void) {
if (! isSaneHeap()) {
printf("oh goodness! you've corrupted the heap, naughty naughty\n");
return;
}
if (! isEmptyHeap()) {
printf("Uh Oh! you have a memory leak somewhere, better find it\n");
return;
}
printf("The heap is all clean, good work!\n");
}
void testStage4(void) {
char p[20];
if (! isSaneHeap()) {
printf("oh goodness! you've corrupted the heap, naughty naughty\n");
return;
}
if (! isEmptyHeap()) {
printf("Uh Oh! you have a memory leak somewhere, better find it\n");
return;
}
/* if we reach this point, the heap is OK */
printf("woo HOO! the heap is OK, test 4 looks good so far, now we're going to crash...\n");
/* each of the following lines should crash the program (an assert should fail)
* try each of them in turn to make sure you're catching the obvious mistakes
* just uncomment the line and see what happens (it should crash)
*/
printf("crashing with utstrlen\n\n\n"); utstrlen("Hello World");
printf("crashing with utstrcpy\n\n\n"); utstrcpy(p, "Hello World");
printf("crashing with utstrcat\n\n\n"); utstrcat(p, "Hello World");
printf("crashing with utstrfree\n\n\n"); utstrfree((char *)malloc(20));
printf("crashing with utstrrealloc\n\n\n"); utstrrealloc((char *)malloc(20), 40);
}
