95 lines
2.6 KiB
Plaintext
95 lines
2.6 KiB
Plaintext
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_lstadd_front.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/11/25 14:12:02 by hulamy #+# #+# */
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/* Updated: 2019/11/25 14:36:54 by hulamy ### ########.fr */
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/* */
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/* ************************************************************************** */
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/*
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** add an element to the begining of a list
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*/
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/*
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** #include <libc.h>
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**
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** typedef struct s_list
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** {
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** void *content;
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** struct s_list *next;
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** } t_list;
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**
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** void *ft_memcpy(void *dst, const void *src, size_t n)
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** {
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** size_t i;
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** char *ptr;
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** char *ptr2;
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**
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** ptr = (char *)dst;
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** ptr2 = (char *)src;
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** i = -1;
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** while (++i < n)
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** ptr[i] = ptr2[i];
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** return (dst);
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** }
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**
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** t_list *ft_lstnew(void *content)
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** {
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** t_list *lst;
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**
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** if (!(lst = (t_list *)malloc(sizeof(*lst))))
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** return (NULL);
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** if (!content)
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** lst->content = NULL;
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** else
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** {
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** if (!(lst->content = malloc(sizeof(content))))
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** return (NULL);
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** ft_memcpy(lst->content, content, sizeof(content));
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** }
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** lst->next = NULL;
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** return (lst);
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** }
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**
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** void ft_lstadd_front(t_list **alst, t_list *new);
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**
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** int main(void)
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** {
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** char tresor;
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** char matos;
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** char friends;
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** t_list *toto;
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** t_list *tmp;
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**
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** tresor = 'a';
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** matos = 'b';
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** friends = 'c';
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** toto = ft_lstnew(&tresor);
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** printf("toto->data :%c\n",*(char*)(toto->content));
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** tmp = ft_lstnew(&matos);
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** ft_lstadd_front(&toto, tmp);
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** printf("----------------------\n");
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** printf("toto->data :%c\n",*(char*)(toto->content));
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** printf("toto->nxt->data :%c\n",*(char*)(toto->next->content));
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** tmp = ft_lstnew(&friends);
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** ft_lstadd_front(&toto, tmp);
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** printf("----------------------\n");
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** printf("toto->data :%c\n",*(char*)(toto->content));
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** printf("toto->nxt->data :%c\n",*(char*)(toto->next->content));
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** printf("toto->nxt->nxt->dqta:%c\n",*(char*)(toto->next->next->content));
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** return (0);
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** }
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*/
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#include "libft.h"
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void ft_lstadd_front(t_list **alst, t_list *new)
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{
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new->next = *alst;
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*alst = new;
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}
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