tvdu29/libft
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finally I can ditch GNL \o/

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added ft_getline function
still some testing needed
seems ok for push_swap checker
This commit is contained in:
Tanguy MAZE 2019-03-17 17:27:12 +01:00
parent acf5431d14
commit d5eecbed88
1 changed files with 33 additions and 14 deletions
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45
ft_getline.c
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@ -6,7 +6,7 @@
/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/03/07 15:12:59 by tmaze #+# #+# */
/* Updated: 2019/03/08 14:11:15 by tmaze ### ########.fr */
/* Updated: 2019/03/17 17:25:19 by tmaze ### ########.fr */
/* */
/* ************************************************************************** */
@ -19,7 +19,7 @@ static char *supercat(char **s1, char *buff)
if ((tmp = ft_strjoin(*s1, buff)) == NULL)
return (NULL);
ft_strdel(s1);
ft_bzero(buff, BUFF_SIZE + 1);
ft_strclr(buff);
*s1 = tmp;
return (*s1);
}
@ -30,7 +30,7 @@ static int flush_buff(char **line, char *buff)
{
if ((*line = ft_strdup(buff)) == NULL)
return (-1);
ft_bzero(buff, BUFF_SIZE + 1);
ft_strclr(buff);
}
else if (*line != NULL)
if (supercat(line, buff) == NULL)
@ -41,25 +41,44 @@ static int flush_buff(char **line, char *buff)
return (0);
}
static int get_from_buf(char **line, char *buf, char **tmp)
{
if ((*tmp = ft_strchr(buf, '\n')) != NULL)
*tmp[0] = '\0';
if (flush_buff(line, buf) != 0)
return (-1);
if (*tmp != NULL)
ft_memmove(buf, &(*tmp)[1], ft_strlen(&(*tmp)[1]) + 1);
if (*tmp != NULL)
return (1);
return (0);
}
int ft_getline(char **line)
{
char buff[BUFF_SIZE + 1];
static char buf[BUFF_SIZE + 1] = "\0";
char *tmp;
int ret;
int i;
if (line == NULL)
return (-1);
*line = NULL;
ft_bzero(buff, BUFF_SIZE + 1);
i = 0;
while ((ret = read(0, &(buff[i]), 1)) == 1 && buff[i] != '\n')
tmp = NULL;
if (buf[0] == '\0')
ft_bzero(buf, BUFF_SIZE + 1);
else if (buf[0] != '\0' && (ret = get_from_buf(line, buf, &tmp)) != 0)
return (ret);
while (tmp == NULL && (ret = read(0, buf, BUFF_SIZE)) > 0)
if ((tmp = ft_strchr(buf, '\n')) == NULL && flush_buff(line, buf) != 0)
return (-1);
if (tmp != NULL)
{
if (++i > BUFF_SIZE && flush_buff(line, buff) != 0)
tmp[0] = '\0';
if (flush_buff(line, buf) != 0)
return (-1);
if (i > BUFF_SIZE)
i = 0;
ft_memmove(buf, &tmp[1], ft_strlen(&tmp[1]) + 1);
}
if (ret == 0 && i != 0 && flush_buff(line, buff) != 0)
else if (ret > 0 && flush_buff(line, buf) != 0)
return (-1);
return (line != NULL);
return (line != NULL && ret > 0);
}