malloc/main.cpp at master · tanndlin/malloc · GitHub

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#include <iostream>

#include "malloc.h"

int main() {
    int* location = static_cast<int*>(myMalloc(4 * sizeof(int)));
    if (location == NULL) {
        std::cerr << "Memory allocation failed\n";
        return 1;
    }

    printf("Memory allocated at: %p\n", location);
    location[0] = 69;

    for (int i = 0; i < 4; i++) {
        location[i] = 69 + i;
    }
    for (int i = 0; i < 4; i++) {
        printf("%d\n", location[i]);
    }

    debugHeap();
    myFree(location);
    std::cout << "Freed first pointer\n";
    debugHeap();

    int* location2 = static_cast<int*>(myMalloc(4 * sizeof(int)));
    if (location2 == NULL) {
        std::cerr << "Memory allocation failed\n";
        return 1;
    }

    printf("Memory allocated at: %p\n", location2);
    location2[0] = 169;

    for (int i = 0; i < 4; i++) {
        location2[i] = 169 + i;
    }
    for (int i = 0; i < 4; i++) {
        printf("%d\n", location2[i]);
    }

    debugHeap();
    myFree(location2);
    std::cout << "Freed second pointer\n";
    debugHeap();

    return 0;
}