d49f964045
added ft_open, ft_close and ft_gets functions not tested modified ft_getline with read 1 by 1
66 lines
1.8 KiB
C
66 lines
1.8 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: 2019/03/08 14:11:15 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_bzero(buff, BUFF_SIZE + 1);
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*s1 = tmp;
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return (*s1);
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}
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static int flush_buff(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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ft_bzero(buff, BUFF_SIZE + 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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char buff[BUFF_SIZE + 1];
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int ret;
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int i;
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if (line == NULL)
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return (-1);
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*line = NULL;
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ft_bzero(buff, BUFF_SIZE + 1);
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i = 0;
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while ((ret = read(0, &(buff[i]), 1)) == 1 && buff[i] != '\n')
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{
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if (++i > BUFF_SIZE && flush_buff(line, buff) != 0)
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return (-1);
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if (i > BUFF_SIZE)
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i = 0;
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}
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if (ret == 0 && i != 0 && flush_buff(line, buff) != 0)
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return (-1);
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return (line != NULL);
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}
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