123 lines
2.7 KiB
C
123 lines
2.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* get_next_line_bonus.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: mdenys <mdenys@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2020/11/12 13:47:35 by mdenys #+# #+# */
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/* Updated: 2020/11/17 23:55:45 by mdenys ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "get_next_line_bonus.h"
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char *check_reminder(char *reminder)
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{
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char *rtn;
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int i;
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int j;
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i = 0;
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j = 0;
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if (!reminder)
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return (0);
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while (reminder[i] && reminder[i] != '\n')
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i++;
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if (!reminder[i])
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{
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free(reminder);
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return (0);
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}
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if (!(rtn = malloc(sizeof(char) * ((ft_strlen(reminder) - i) + 1))))
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return (0);
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i++;
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while (reminder[i])
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rtn[j++] = reminder[i++];
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rtn[j] = '\0';
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free(reminder);
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return (rtn);
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}
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char *gnl(char *str)
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{
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int i;
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char *rtn;
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i = 0;
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if (!str)
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return (0);
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while (str[i] && str[i] != '\n')
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i++;
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if (!(rtn = malloc(sizeof(char) * (i + 1))))
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return (0);
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i = 0;
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while (str[i] && str[i] != '\n')
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{
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rtn[i] = str[i];
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i++;
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}
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rtn[i] = '\0';
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return (rtn);
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}
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int get_line(int fd, char **line, char **reminder)
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{
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char *buff;
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int r_d;
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r_d = 1;
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if (fd < 0 || !line || BUFFER_SIZE <= 0)
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return (-1);
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if (!(buff = malloc(sizeof(char) * (BUFFER_SIZE + 1))))
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return (-1);
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while (!ft_rn(*reminder) && r_d != 0)
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{
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if ((r_d = read(fd, buff, BUFFER_SIZE)) == -1)
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{
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free(buff);
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return (-1);
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}
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buff[r_d] = '\0';
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*reminder = ft_strjoin(*reminder, buff);
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}
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free(buff);
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*line = gnl(*reminder);
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*reminder = check_reminder(*reminder);
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if (r_d == 0)
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return (0);
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return (1);
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}
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t_netnext_line *new_linked_list_el(const int fd)
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{
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t_netnext_line *new;
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new = (t_netnext_line *)malloc(sizeof(t_netnext_line));
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new->fd = fd;
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new->reminder = NULL;
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new->next = NULL;
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return (new);
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}
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int get_next_line(int fd, char **line)
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{
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static t_netnext_line *head;
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t_netnext_line *temp;
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if (fd < 0)
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return (-1);
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if (fd == 0)
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return (0);
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if (head == NULL)
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head = new_linked_list_el(fd);
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temp = head;
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while (temp->fd != fd)
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{
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if (temp->next == NULL)
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temp->next = new_linked_list_el(fd);
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temp = temp->next;
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}
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return (get_line(fd, line, &temp->reminder));
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}
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