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ft_calloc: correctly set allocated memory to zero

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This commit is contained in:
Khaïs COLIN 2024-10-17 13:53:44 +02:00
parent d8ec79480f
commit c795a9bab1
1 changed files with 28 additions and 22 deletions
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50
ft_calloc.c
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@ -6,7 +6,7 @@
/* By: kcolin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/17 10:20:05 by kcolin #+# #+# */
/* Updated: 2024/10/17 10:40:21 by kcolin ### ########.fr */
/* Updated: 2024/10/17 13:50:18 by kcolin ### ########.fr */
/* */
/* ************************************************************************** */
@ -16,31 +16,37 @@
void *ft_calloc(size_t nmemb, size_t size)
{
size_t bytes;
void *out;
bytes = nmemb * size;
if (nmemb != 0 && bytes / nmemb != size)
return (NULL);
else
return (malloc(bytes));
{
out = malloc(bytes);
ft_memset(out, 0, bytes);
return (out);
}
}
/*
int main(void)
{
free(ft_calloc(0, sizeof(int)));
free(calloc(0, sizeof(int)));
printf("%p\t%p\n",
ft_calloc(0, sizeof(int)),
calloc(0, sizeof(int)));
free(ft_calloc(1024, sizeof(int)));
free(calloc(1024, sizeof(int)));
printf("%p\t%p\n",
ft_calloc(1024, sizeof(int)),
calloc(1024, sizeof(int)));
free(ft_calloc(SIZE_MAX, sizeof(int)));
free(calloc(SIZE_MAX, sizeof(int)));
printf("%p\t%p\n",
ft_calloc(SIZE_MAX, sizeof(int)),
calloc(SIZE_MAX, sizeof(int)));
}
*/
/* #include <stdio.h> */
/* #include <stdint.h> */
/* int main(void) */
/* { */
/* free(ft_calloc(0, sizeof(int))); */
/* free(calloc(0, sizeof(int))); */
/* printf("%p\t%p\n", */
/* ft_calloc(0, sizeof(int)), */
/* calloc(0, sizeof(int))); */
/* free(ft_calloc(1024, sizeof(int))); */
/* free(calloc(1024, sizeof(int))); */
/* printf("%p\t%p\n", */
/* ft_calloc(1024, sizeof(int)), */
/* calloc(1024, sizeof(int))); */
/* free(ft_calloc(SIZE_MAX, sizeof(int))); */
/* free(calloc(SIZE_MAX, sizeof(int))); */
/* printf("%p\t%p\n", */
/* ft_calloc(SIZE_MAX, sizeof(int)), */
/* calloc(SIZE_MAX, sizeof(int))); */
/* } */