101 lines
2.2 KiB
C
101 lines
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: kinou <alexpomms@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2021/10/23 07:55:17 by kinou #+# #+# */
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/* Updated: 2021/11/01 10:21:35 by kinou ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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char *ft_free(char *save, int *end)
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{
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if (!*end)
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{
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free(save);
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free(end);
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return (0);
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}
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free(end);
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return (save);
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}
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char *set_line(char *line, char *save)
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{
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int i;
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i = 0;
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line = ft_strjoin(save, 0);
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while (line[i] && line[i] != '\n')
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i++;
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if (line[i] == '\n')
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{
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while (line[i++])
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line[i] = '\0';
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}
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return (line);
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}
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char *set_save(char *save)
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{
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char *delete;
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int i;
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i = 0;
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delete = save;
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while (save[i] && save[i] != '\n')
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i++;
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if (save[i] != '\n')
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i = 0;
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save = ft_strjoin((save + i + 1), 0);
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free(delete);
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return (save);
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}
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char *next_line(char *save, int *end, int fd)
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{
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char *delete;
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char *dest;
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while (!ft_strchr(save, '\n') && *end > 0)
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{
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dest = ft_calloc(1, 1 + 1);
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*end = read(fd, dest, 1);
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delete = save;
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save = ft_strjoin(save, dest);
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free(delete);
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free(dest);
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}
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return (save);
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}
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char *get_next_line(int fd)
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{
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static char *save = NULL;
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int *end;
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char *line;
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line = 0;
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if (fd < 0)
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return (0);
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end = malloc(sizeof(int *));
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*end = 1;
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if (save == NULL)
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save = ft_calloc(1, 1);
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save = next_line(save, end, fd);
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line = set_line(line, save);
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if (ft_strlen(line) > 0)
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{
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save = set_save(save);
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save = ft_free(save, end);
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return (line);
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}
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free(line);
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save = ft_free(save, end);
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return (0);
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}
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