ajout libft en dure
This commit is contained in:
136
libft/srcs/get_next_line.c
Normal file
136
libft/srcs/get_next_line.c
Normal file
@@ -0,0 +1,136 @@
|
||||
/* ************************************************************************** */
|
||||
/* */
|
||||
/* ::: :::::::: */
|
||||
/* get_next_line.c :+: :+: :+: */
|
||||
/* +:+ +:+ +:+ */
|
||||
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
|
||||
/* +#+#+#+#+#+ +#+ */
|
||||
/* Created: 2019/12/31 17:05:53 by hulamy #+# #+# */
|
||||
/* Updated: 2020/02/25 18:48:55 by hulamy ### ########.fr */
|
||||
/* */
|
||||
/* ************************************************************************** */
|
||||
|
||||
#include "libft.h"
|
||||
|
||||
/*
|
||||
** #include <stdio.h> //for printf
|
||||
** #include <fcntl.h> //for open
|
||||
**
|
||||
** int main(int ac, char **av)
|
||||
** {
|
||||
** int *fd;
|
||||
** int i = 0;
|
||||
** int j = 0;
|
||||
** int ret;
|
||||
** char *line = NULL;
|
||||
**
|
||||
** fd = (int *)malloc(sizeof(int) * ac);
|
||||
** while (++i <= ac - 1)
|
||||
** fd[i - 1] = open(av[i], O_RDONLY);
|
||||
** i = 0;
|
||||
** while (j < ac - 1)
|
||||
** {
|
||||
** if ((ret = get_next_line(fd[i], &line)) > 0)
|
||||
** {
|
||||
** printf(" [fd%i-%i] %s\n", fd[i], ret, line);
|
||||
** free(line);
|
||||
** j = 0;
|
||||
** }
|
||||
** else if (ret == -1)
|
||||
** {
|
||||
** printf("[fd%i-%i] *ERROR*\n", fd[i], ret);
|
||||
** free(line);
|
||||
** j++;
|
||||
** }
|
||||
** else if (*line != '\0')
|
||||
** printf(" [fd%i-%i] %s\n", fd[i], ret, line);
|
||||
** else
|
||||
** {
|
||||
** printf("[fd%i-%i] %s *FINI*\n", fd[i], ret, line);
|
||||
** free(line);
|
||||
** j++;
|
||||
** }
|
||||
** i++;
|
||||
** if (i >= ac - 1)
|
||||
** i = 0;
|
||||
** }
|
||||
** free(fd);
|
||||
** //while (1);
|
||||
** return (0);
|
||||
** }
|
||||
*/
|
||||
|
||||
int free_lst(t_gnlist **lst, int ret)
|
||||
{
|
||||
t_gnlist *tmp;
|
||||
|
||||
tmp = *lst;
|
||||
while (tmp->next != *lst)
|
||||
tmp = tmp->next;
|
||||
tmp->next = (*lst)->next;
|
||||
free((*lst)->str);
|
||||
if (*lst == (*lst)->next)
|
||||
{
|
||||
free(*lst);
|
||||
*lst = NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
free(*lst);
|
||||
*lst = tmp;
|
||||
}
|
||||
return (ret);
|
||||
}
|
||||
|
||||
int multi_fd(int fd, t_gnlist **lst)
|
||||
{
|
||||
t_gnlist *tmp;
|
||||
|
||||
tmp = *lst;
|
||||
while (*lst && (*lst)->lfd != fd && (*lst)->next != tmp)
|
||||
*lst = (*lst)->next;
|
||||
if (!tmp || ((*lst)->next == tmp && (*lst)->lfd != fd))
|
||||
{
|
||||
if (!(tmp = (t_gnlist*)malloc(sizeof(*tmp))))
|
||||
return (0);
|
||||
tmp->lfd = fd;
|
||||
if (!(tmp->str = ft_strdup("")))
|
||||
return (0);
|
||||
if (*lst)
|
||||
{
|
||||
tmp->next = (*lst)->next;
|
||||
(*lst)->next = tmp;
|
||||
}
|
||||
else
|
||||
tmp->next = tmp;
|
||||
*lst = tmp;
|
||||
}
|
||||
return (1);
|
||||
}
|
||||
|
||||
int get_next_line(const int fd, char **line)
|
||||
{
|
||||
char buf[BUFFER_SIZE + 1];
|
||||
int ret;
|
||||
static t_gnlist *lst = NULL;
|
||||
char *str;
|
||||
|
||||
ret = 1;
|
||||
if (!(multi_fd(fd, &lst)) || !line || BUFFER_SIZE < 1)
|
||||
return (free_lst(&lst, -1));
|
||||
while (!(str = ft_strchr(lst->str, '\n')) && ret != 0)
|
||||
{
|
||||
if ((ret = read(fd, buf, BUFFER_SIZE)) < 0)
|
||||
return (free_lst(&lst, -1));
|
||||
buf[ret] = '\0';
|
||||
if (!(lst->str = ft_strjoinfree(lst->str, buf)))
|
||||
return (free_lst(&lst, -1));
|
||||
}
|
||||
if (str != NULL)
|
||||
str[0] = '\0';
|
||||
if (!(*line = ft_strdup(lst->str)))
|
||||
return (free_lst(&lst, -1));
|
||||
if (str != NULL)
|
||||
return (ft_memmove(lst->str, str + 1, ft_strlen(str + 1) + 1) != NULL);
|
||||
return (free_lst(&lst, 0));
|
||||
}
|
||||
Reference in New Issue
Block a user