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get_next_line_bonus.c
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get_next_line_bonus.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* get_next_line_bonus.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ael-khni <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/11/20 11:48:13 by ael-khni #+# #+# */
/* Updated: 2021/11/20 15:12:34 by ael-khni ### ########.fr */
/* */
/* ************************************************************************** */
#include "get_next_line_bonus.h"
char *get_next_line(int fd)
{
static char *tmp[8192];
char buff[BUFFER_SIZE + 1];
char *line;
int ret;
int nl;
if (!tmp[fd])
tmp[fd] = ft_strdup("");
ret = read(fd, buff, BUFFER_SIZE);
while (ret >= 0)
{
buff[ret] = 0;
tmp[fd] = ft_strjoin(tmp[fd], buff);
nl = check_newline(tmp[fd]);
if (nl != -1)
return (func(&line, &tmp[fd], nl));
if (!ret && !tmp[fd][0])
break ;
if (!ret)
return (get_reminder(&tmp[fd], 0));
ret = read(fd, buff, BUFFER_SIZE);
}
free(tmp[fd]);
tmp[fd] = NULL;
return (NULL);
}
char *func(char **line, char **tmp, int nl)
{
*line = ft_substr(*tmp, 0, nl + 1);
*tmp = get_reminder(tmp, nl + 1);
return (*line);
}
char *get_reminder(char **str, int nl)
{
char *reminder;
int rlen;
rlen = ft_strlen(*str + nl);
reminder = ft_substr(*str, nl, rlen);
free(*str);
*str = NULL;
return (reminder);
}
int check_newline(char *buff)
{
int i;
i = 0;
while (buff[i])
{
if (buff[i] == '\n')
return (i);
i++;
}
return (-1);
}
size_t ft_strlen(const char *s)
{
size_t l;
l = 0;
while (s[l])
l++;
return (l);
}