F: malloc about c4go HOT 1 OPEN

void test_pointer_malloc1() {
    int m = 3, n = 5;
    int *p;
    p = malloc(m * n * sizeof(int));
    int i, j, count = 0;
    for (i = 0; i < m; i++) {
        for (j = 0; j < n; j++) {
            count++;
            p[i+j*m] = count;
        }
    }
	is_eq(p[0], 1);
	is_eq(p[2+2*m], 13);
    free(p);
}

void test_pointer_malloc2() {
    int m = 3, n = 5;
    int (*p)[n];
    p = malloc(m * n * sizeof(int));
    int i, j, count = 0;
    for (i = 0; i < m; i++) {
        for (j = 0; j < n; j++) {
            count++;
            p[i][j] = count;
        }
    }
	is_eq(p[0][0], 1);
	is_eq(p[2][2], 13);
    free(p);
}

void test_pointer_malloc3() {
    int m = 3;
    int (*p)[5];
    p = malloc(m * 5 * sizeof(int));
    int i, j, count = 0;
    for (i = 0; i < m; i++) {
        for (j = 0; j < 5; j++) {
            count++;
            p[i][j] = count;
        }
    }
	is_eq(p[0][0], 1);
	is_eq(p[2][2], 13);
    free(p);
}