38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* ft_calloc.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: tosuman <timo42@proton.me> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2023/05/22 17:39:55 by tosuman #+# #+# */
|
|
/* Updated: 2023/05/22 17:39:56 by tosuman ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include <stdlib.h>
|
|
#include <limits.h>
|
|
|
|
void ft_bzero(void *s, size_t n);
|
|
|
|
void *ft_calloc(size_t nmemb, size_t size)
|
|
{
|
|
void *ret;
|
|
void *empty;
|
|
|
|
if (nmemb * size == 0)
|
|
{
|
|
empty = malloc(0);
|
|
if (!empty)
|
|
return (0);
|
|
return (empty);
|
|
}
|
|
if (UINT_MAX / nmemb < size)
|
|
return (0);
|
|
ret = malloc(nmemb * size);
|
|
if (!ret)
|
|
return (0);
|
|
ft_bzero(ret, nmemb * size);
|
|
return (ret);
|
|
}
|