76 lines
No EOL
2.2 KiB
C
76 lines
No EOL
2.2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* get_next_line.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: gtertysh <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/12/04 15:59:21 by gtertysh #+# #+# */
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/* Updated: 2016/12/06 19:45:44 by gtertysh ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static t_fd *new_node(int fd)
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{
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t_fd *new;
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new = NULL;
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if ((new = (t_fd *)malloc(sizeof(t_fd))))
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{
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new->fd = fd;
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new->n = NULL;
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new->next = NULL;
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new->t = 0;
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}
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return (new);
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}
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static t_fd *find_fd(int fd, t_fd **cur_fd)
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{
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if (!*cur_fd)
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return ((*cur_fd = new_node(fd)));
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while ((*cur_fd))
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{
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if ((*cur_fd)->fd == fd)
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return (*cur_fd);
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cur_fd = &((*cur_fd)->next);
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}
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return ((*cur_fd = new_node(fd)));
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}
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int get_next_line(const int fd, char **line)
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{
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static t_fd *head_fd;
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t_fd *c;
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if (fd < 0 || !line)
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return (-1);
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*line = ft_strnew(0);
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c = find_fd(fd, &head_fd);
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c->readed = 0;
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if (c->n) {
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if ((c->t = strchr(c->n, '\n')) &&
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(*line = ft_strjoin(*line, ft_strsub(c->n, 0, (c->t - c->n)))) &&
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(c->n = ++(c->t)))
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{
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return (1);
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}
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else if ((*line = ft_strjoin(*line, c->n)))
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{
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c->n = 0;
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}
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}
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while ((c->readed = read(c->fd, c->b, BUFF_SIZE)))
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{
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c->b[c->readed] = 0;
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if ((c->n = strchr(c->b, '\n')) &&
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(*line = ft_strjoin(*line, ft_strsub(c->b, 0, (c->n++ - c->b)))))
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break;
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*line = ft_strjoin(*line, c->b);
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}
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if (!c->readed && !ft_strlen(*line))
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return (0);
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return (1);
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} |