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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.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: arasal <arasal@student.42heilbronn.de> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/05/15 19:50:52 by arasal #+# #+# */
/* Updated: 2022/05/15 19:51:07 by arasal ### ########.fr */
/* */
/* ************************************************************************** */
#include "get_next_line_bonus.h"
#include "checker_bonus.h"
char *get_next_line(int fd)
{
static t_lists f;
init_rest(&f);
f.number = 1;
while (f.number && f.number % 1 == 0
&& (!(ft_strchr_gnl(f.line, '\n'))))
{
f.number = read(fd, f.buff, 1);
if ((f.number == 0 && (!*f.line)) || f.number == -1)
{
if (f.line || f.number == -1)
free(f.line);
return (NULL);
}
f.buff[f.number] = '\0';
f.line = ft_strjoin_gnl(f.line, f.buff);
}
ft_saverest(&f);
ft_returnline(&f);
return (f.line);
}
void ft_saverest(t_lists *f)
{
int i;
int j;
i = 0;
j = 0;
if (f->line == NULL)
return ;
while (f->line[j] != '\0')
j++;
while (f->line[i] != '\n' && f->line[i] != '\0')
i++;
if (i != j)
f->rest = ft_substr_gnl(f->line, i + 1, j - (i + 1));
else
f->rest = ft_strdup_gnl("");
}
void init_rest(t_lists *f)
{
if (f->rest)
{
f->line = ft_strdup_gnl(f->rest);
free (f->rest);
}
else
f->line = ft_strdup_gnl("");
}
void ft_returnline(t_lists *f)
{
int i;
int j;
char *ret;
i = 0;
j = 0;
if (f->line == NULL)
return ;
while (f->line[j] != '\0')
j++;
while (f->line[i] != '\n' && f->line[i] != '\0')
i++;
if (i != j)
{
ret = ft_substr_gnl(f->line, 0, i + 1);
free (f->line);
f->line = ft_strdup_gnl(ret);
free (ret);
}
}