96 lines
2.3 KiB
C
96 lines
2.3 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: gbrochar <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/03/22 00:00:51 by gbrochar #+# #+# */
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/* Updated: 2016/05/30 16:26:59 by gbrochar ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "get_next_line.h"
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char *ft_strjoin2(char *str, char *str2)
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{
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char *tmp;
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tmp = ft_strjoin(str, str2);
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free(str);
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return (tmp);
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}
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int gnl_manage_return(char **line, char **stock)
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{
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char *tmp;
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char *tmp2;
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if ((tmp = ft_strchr(*stock, '\n')))
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{
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*tmp = '\0';
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tmp2 = ft_strdup(tmp + 1);
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*line = ft_strdup(*stock);
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ft_memdel((void **)stock);
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*stock = ft_strdup(tmp2);
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free(tmp2);
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tmp2 = NULL;
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tmp = NULL;
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return (1);
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}
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if (ft_strlen(*stock) == 0)
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{
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ft_memdel((void **)stock);
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return (0);
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}
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*line = ft_strdup(*stock);
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ft_memdel((void **)stock);
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return (1);
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}
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int gnl_manage_read(char **stock, char **line)
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{
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char *tmp;
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char *tmp2;
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if ((tmp = ft_strchr(*stock, '\n')))
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{
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*tmp = '\0';
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tmp2 = ft_strdup(tmp + 1);
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*line = ft_strdup(*stock);
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ft_memdel((void **)stock);
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*stock = ft_strdup(tmp2);
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free(tmp2);
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tmp2 = NULL;
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tmp = NULL;
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return (1);
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}
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return (0);
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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 char *stock = NULL;
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char *buffer;
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int ret;
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if (stock)
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if (gnl_manage_read(line, &stock))
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return (1);
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buffer = ft_strnew(BUFF_SIZE);
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while ((ret = read(fd, buffer, BUFF_SIZE)) > 0)
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{
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buffer[ret] = '\0';
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stock = ft_strjoin2(stock, buffer);
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ft_memdel((void **)&buffer);
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if (gnl_manage_read(&stock, line))
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return (1);
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buffer = ft_strnew(BUFF_SIZE + 1);
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}
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if (buffer)
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ft_memdel((void **)&buffer);
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if (ret == -1)
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return (-1);
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return (gnl_manage_return(line, &stock));
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}
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