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#include <unistd.h>

#define NUM_ALLOCATIONS 100000
#define ALLOC_SIZE 10485760
#define ALLOC_RESIZE 1492

int main(int argc, char **argv) {
    /* exiting will free all this leaked memory */
    for (i = 0; i < NUM_ALLOCATIONS; i++) {
        void *orig_ptr, *new_ptr;
        size_t new_size, orig_size;
        orig_ptr = malloc(ALLOC_SIZE);
        orig_size = malloc_size(orig_ptr);

        if (orig_ptr == NULL) {
            printf("failure to malloc %d\n", i);
            abort();
        }
        new_ptr = realloc(orig_ptr, ALLOC_RESIZE);
        new_size = malloc_size(new_ptr);
        printf("resized %d[%p] -> %d[%p]\n",
            orig_size, orig_ptr, new_size, new_ptr);
        if (new_ptr == NULL) {
            printf("failure to realloc %d\n", i);
            abort();
        }
    }
    return 0;
}