71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_getline.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/03/07 15:12:59 by tmaze #+# #+# */
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/* Updated: 2019/03/07 22:06:57 by tmaze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static char *supercat(char **s1, char *buff)
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{
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char *tmp;
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if ((tmp = ft_strjoin(*s1, buff)) == NULL)
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return (NULL);
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ft_strdel(s1);
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ft_strclr(buff);
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*s1 = tmp;
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return (*s1);
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}
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static int update_line(char **line, char *buff)
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{
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if (*line == NULL)
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{
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if ((*line = ft_strdup(buff)) == NULL)
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return (-1);
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}
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else if (*line != NULL)
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if (supercat(line, buff) == NULL)
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{
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ft_strdel(line);
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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 ft_getline(char **line)
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{
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static char buff[BUFF_SIZE + 1];
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char *ind;
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int ret;
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if (line == NULL)
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return (-1);
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*line = NULL;
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ind = NULL;
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ft_bzero(buff, BUFF_SIZE + 1);
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while ((ret = read(0, buff, BUFF_SIZE)) == BUFF_SIZE
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&& (ind = ft_strchr(buff, '\n')) == NULL)
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{
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if (update_line(line, buff) == -1)
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return (-1);
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ft_bzero(&buff, BUFF_SIZE + 1);
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}
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if (ind != NULL || (ind == NULL && (ind = ft_strchr(buff, '\n')) != NULL))
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*ind = '\0';
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if (update_line(line, buff) == -1)
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return (-1);
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if (ind == NULL)
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ft_bzero(&buff, BUFF_SIZE + 1);
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if (ind != NULL && ind < &(buff[BUFF_SIZE]))
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ft_memmove(buff, ind + 1, ft_strlen(ind + 1));
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return (*line != NULL && ret != 0);
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}
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