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resolu calloc pour taille zero

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Hugo LAMY
2019-11-28 16:01:08 +01:00
parent 5da3edd07e
commit 365e8abb42
3 changed files with 34 additions and 27 deletions
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35
srcd/part1/ft_calloc.c
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@@ -6,7 +6,7 @@
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/11/25 13:54:53 by hulamy #+# #+# */
/* Updated: 2019/11/25 14:28:35 by hulamy ### ########.fr */
/* Updated: 2019/11/28 16:00:32 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
@@ -20,13 +20,44 @@
** return a pointer to the allocated memory
*/
/*
** #include <libc.h>
**
** void ft_bzero(void *s, size_t n)
** {
** size_t i;
** unsigned char *ptr;
**
** if (n)
** {
** ptr = (unsigned char *)s;
** i = 0;
** while (i < n)
** ptr[i++] = '\0';
** }
** }
**
** void *ft_calloc(size_t count, size_t size);
**
** int main(void)
** {
** void *str;
**
** str = ft_calloc(0, 0);
** if (str == ((void *)0))
** printf("failed\n");
** free(str);
** return (0);
** }
*/
#include "libft.h"
void *ft_calloc(size_t count, size_t size)
{
void *tmp;
if (!count || !size || !(tmp = malloc(count * size)))
if (!(tmp = malloc(count * size)))
return (NULL);
ft_bzero(tmp, count * size);
return (tmp);

14
srcs/ft_calloc.c
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@@ -1,15 +1,3 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_calloc.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/11/25 13:54:53 by hulamy #+# #+# */
/* Updated: 2019/11/25 14:28:35 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
/*
** exemple allocation for 5 integers with malloc then calloc :
** a = (int *)malloc(5 * sizeof(int)); //5*4bytes = 20 bytes
@@ -26,7 +14,7 @@ void *ft_calloc(size_t count, size_t size)
{
void *tmp;
if (!count || !size || !(tmp = malloc(count * size)))
if (!(tmp = malloc(count * size)))
return (NULL);
ft_bzero(tmp, count * size);
return (tmp);

12
srcs/ft_strlcpy.c
View File

@@ -1,15 +1,3 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strlcpy.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/11/25 13:57:19 by hulamy #+# #+# */
/* Updated: 2019/11/25 15:53:19 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
/*
** copy size - 1 length of src into dest,
** terminate it with a '\0'