105 lines
2.2 KiB
C
105 lines
2.2 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* get_next_line.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2022/10/26 00:52:47 by cchauvet #+# #+# */
|
|
/* Updated: 2022/11/14 15:37:48 by cchauvet ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "get_next_line.h"
|
|
|
|
char *ft_getstash(int fd)
|
|
{
|
|
char *str;
|
|
int readed;
|
|
|
|
str = ft_calloc(BUFFER_SIZE + 1, sizeof(char));
|
|
if (str == NULL)
|
|
return (NULL);
|
|
readed = read(fd, str, BUFFER_SIZE);
|
|
if (readed < 1)
|
|
{
|
|
free(str);
|
|
return (NULL);
|
|
}
|
|
return (str);
|
|
}
|
|
|
|
char *ft_getline(int fd)
|
|
{
|
|
char *stash;
|
|
char *buf;
|
|
|
|
stash = NULL;
|
|
buf = NULL;
|
|
while (ft_strchr(stash, '\n') == -1)
|
|
{
|
|
buf = ft_getstash(fd);
|
|
if (buf == NULL)
|
|
return (stash);
|
|
stash = ft_strfjoin(stash, buf);
|
|
if (stash == NULL)
|
|
return (NULL);
|
|
}
|
|
return (stash);
|
|
}
|
|
|
|
char *ft_getreturn(char *str)
|
|
{
|
|
int i;
|
|
|
|
if (str == NULL)
|
|
return (NULL);
|
|
i = ft_strchr(str, '\n') + 1;
|
|
if (i == 0)
|
|
i = ft_strlen(str);
|
|
return (ft_strndup(str, i));
|
|
}
|
|
|
|
char *ft_getextra(char *str)
|
|
{
|
|
int i;
|
|
int j;
|
|
|
|
if (str == NULL)
|
|
return (NULL);
|
|
i = ft_strchr(str, '\n') + 1;
|
|
if (i == 0)
|
|
return (NULL);
|
|
j = ft_strlen(str + i);
|
|
return (ft_strndup(str + i, j));
|
|
}
|
|
|
|
char *get_next_line(int fd)
|
|
{
|
|
static char *stash = NULL;
|
|
char *buf1;
|
|
char *buf2;
|
|
|
|
buf2 = stash;
|
|
if (ft_strchr(stash, '\n') == -1)
|
|
{
|
|
buf1 = ft_getline(fd);
|
|
buf2 = ft_strfjoin(stash, buf1);
|
|
if (buf2 == NULL)
|
|
{
|
|
free(buf1);
|
|
return (NULL);
|
|
}
|
|
}
|
|
buf1 = ft_getreturn(buf2);
|
|
stash = ft_getextra(buf2);
|
|
free(buf2);
|
|
if (buf1 == NULL)
|
|
{
|
|
free(stash);
|
|
free(buf1);
|
|
return (NULL);
|
|
}
|
|
return (buf1);
|
|
}
|