Enrico Fraccaroli
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/// @file t_mem.c
|
|
/// @brief
|
|
/// @copyright (c) 2014-2023 This file is distributed under the MIT License.
|
|
/// See LICENSE.md for details.
|
|
|
|
#include "io/debug.h"
|
|
#include "time.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sys/unistd.h>
|
|
#include <sys/wait.h>
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
if (argc != 3) {
|
|
printf("%s: You must provide 2 dimensions.\n", argv[0]);
|
|
return EXIT_FAILURE;
|
|
}
|
|
char *ptr;
|
|
int rows = strtol(argv[1], &ptr, 10);
|
|
int cols = strtol(argv[2], &ptr, 10);
|
|
|
|
printf("Allocating memory!\n");
|
|
pr_warning("Allocating memory!\n");
|
|
int **M = (int **)malloc(rows * sizeof(int *));
|
|
for (int i = 0; i < rows; ++i)
|
|
M[i] = (int *)malloc(cols * sizeof(int));
|
|
|
|
sleep(5);
|
|
printf("Writing memory!\n");
|
|
pr_warning("Writing memory!\n");
|
|
for (int i = 0; i < rows; ++i)
|
|
for (int j = 0; j < cols; ++j)
|
|
M[i][j] = i + j;
|
|
|
|
sleep(5);
|
|
printf("Freeing memory (1)!\n");
|
|
pr_warning("Freeing memory (1)!\n");
|
|
for (int i = 0; i < rows; ++i)
|
|
if (i % 2 != 0)
|
|
free(M[i]);
|
|
printf("Freeing memory (2)!\n");
|
|
pr_warning("Freeing memory (2)!\n");
|
|
for (int i = 0; i < rows; ++i)
|
|
if (i % 2 == 0)
|
|
free(M[i]);
|
|
free(M);
|
|
|
|
sleep(5);
|
|
pr_warning("Exiting!\n");
|
|
return EXIT_SUCCESS;
|
|
}
|