#include #include #include #include "../memcheck.h" #include "leak.h" int main(void) { int x; int y = 0; int* reachable __attribute__((unused)); int* dubious; int* leaked __attribute__((unused)); DECLARE_LEAK_COUNTERS; /* we require these longs to have same size as a machine word */ assert(sizeof(long) == sizeof(void*)); /* Error counting */ fprintf(stderr, "errors: %d\n\n", VALGRIND_COUNT_ERRORS); if (x == 0) { y++; } else { y--; } fprintf(stderr, "errors: %d\n\n", VALGRIND_COUNT_ERRORS); // Get a baseline, after start-up and also after printf (because Darwin // printf allocates memory the first time it's called!) GET_INITIAL_LEAK_COUNTS; fprintf(stderr, "errors: %d\n\n", VALGRIND_COUNT_ERRORS); /* Leak checking */ GET_FINAL_LEAK_COUNTS; PRINT_LEAK_COUNTS(stderr); fprintf(stderr, "\n"); fprintf(stderr, "errors: %d\n\n", VALGRIND_COUNT_ERRORS); leaked = malloc(77); leaked = 0; dubious = malloc(88); dubious += 10; reachable = malloc(99); GET_FINAL_LEAK_COUNTS; PRINT_LEAK_COUNTS(stderr); fprintf(stderr, "\n"); fprintf(stderr, "errors: %d\n", VALGRIND_COUNT_ERRORS); return 0; }