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ft_lstnew.c
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ft_lstnew.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_lstnew.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mgiraldo <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/03/04 11:54:13 by mgiraldo #+# #+# */
/* Updated: 2020/03/04 11:55:07 by mgiraldo ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
/*
** Allocates and returns a “fresh” link.
** The variables content and content_size of the new link are initialized by
** copy of the parameters of the function.
** If the parameter content is nul, the variable content is initialized
** to NULL and the variable content_size is initialized to 0 even if the
** parameter content_size isn’t. The variable next is initialized to NULL.
** If the allocation fails, the function returns NULL.
*/
t_list *ft_lstnew(void const *content, size_t content_size)
{
t_list *new;
if (!(new = (t_list *)ft_memalloc(sizeof(t_list) * content_size)))
return (NULL);
if (!content)
{
new->content = NULL;
new->content_size = 0;
}
else
{
if (!(new->content = (void *)ft_memalloc(content_size)))
return (NULL);
ft_memcpy(new->content, content, content_size);
new->content_size = content_size;
}
new->next = NULL;
return (new);
}