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/* ************************************************************************** */
/* LE - / */
/* / */
/* get_next_line.c .:: .:/ . .:: */
/* +:+:+ +: +: +:+:+ */
/* By: rbousset <marvin@le-101.fr> +:+ +: +: +:+ */
/* #+# #+ #+ #+# */
/* Created: 2019/10/29 00:37:39 by rbousset #+# ## ## #+# */
/* Updated: 2019/10/29 00:37:41 by rbousset ### #+. /#+ ###.fr */
/* / */
/* / */
/* ************************************************************************** */
#include <libft.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
static uint8_t
ft_linecheck(const char *str)
{
size_t i;
i = 0;
while (str && str[i])
{
if (str[i] == '\n')
return (1);
i++;
}
return (0);
}
static size_t
ft_linelen(const char *str)
{
size_t i;
i = 0;
while (str[i] != '\n' && str[i] != '\0')
i++;
return (i);
}
static int
ft_linedup(int fd, char **str)
{
char *buff;
char *tmp;
int ret;
if (!(buff = (char *)malloc((BUFFER_SIZE + 1) * sizeof(char))))
return (0);
ret = 1;
while (!ft_linecheck(*str) && (ret = read(fd, buff, BUFFER_SIZE)) > 0)
{
buff[ret] = '\0';
tmp = *str;
*str = ft_strjoin(tmp, buff);
free(tmp);
}
if (ret < 0)
{
free(*str);
free(buff);
return (-1);
}
free(buff);
return (ret);
}
static int
ft_errchck(int fd, char **line, char **str)
{
if (*str == NULL)
*str = ft_nstr(0);
if (fd < 0 || !line || BUFFER_SIZE <= 0)
{
free(*str);
return (-1);
}
return (0);
}
int
get_next_line(int fd, char **line)
{
static char *str[1024];
char *tmp;
size_t i;
int ret;
if (ft_errchck(fd, line, &str[fd]) == -1)
return (-1);
ret = ft_linedup(fd, &str[fd]);
if (ret < 0)
return (-1);
i = ft_linelen(str[fd]);
*line = ft_substr(str[fd], 0, i);
tmp = str[fd];
if (tmp[0] != '\0' && tmp)
str[fd] = ft_strdup(tmp + i + (tmp[i] == '\n'));
if (ret == 0 && ((str[fd] == NULL || str[fd][0] == '\0') || !ft_linecheck(str[fd])))
{
i = tmp[i];
free(tmp);
tmp = NULL;
return (i == '\n');
}
free(tmp);
return (1);
}
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