42-archive/42sh/src/glob/lib_perso/ft_memrealloc.c
2017-03-07 21:25:40 +01:00

30 lines
1.2 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memrealloc.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: wescande <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/05 13:44:36 by wescande #+# #+# */
/* Updated: 2017/03/07 21:19:39 by wescande ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
void *ft_memrealloc(void *ptr, size_t old_s, size_t new_s)
{
void *n_ptr;
if (!ptr)
return (ft_memalloc(new_s));
if (!old_s)
{
ft_memdel(&ptr);
return (ft_memalloc(new_s));
}
n_ptr = ft_memalloc(new_s);
ft_memcpy(n_ptr, ptr, old_s);
ft_memdel(&ptr);
return (n_ptr);
}