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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: tblanco <tblanco@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/26 11:35:12 by tblanco #+# #+# */
/* Updated: 2021/10/28 09:27:47 by tblanco ### ########.fr */
/* */
/* ************************************************************************** */
#include "get_next_line_bonus.h"
int ft_getindex(int fd, char **save)
{
int char_read;
char *buffer;
char_read = BUFFER_SIZE;
while ((ft_charinstr(*save, SEP) == -1) && (char_read == BUFFER_SIZE))
{
buffer = malloc(sizeof(char) * (BUFFER_SIZE + 1));
if (!buffer)
return (0);
char_read = read(fd, buffer, BUFFER_SIZE);
buffer[char_read] = '\0';
*save = ft_freejoin(*save, buffer);
free(buffer);
if (!*(*save))
{
free(*save);
*save = NULL;
return (0);
}
}
return (ft_charinstr(*save, SEP));
}
char *get_next_line(int fd)
{
static char *save[OPEN_MAX] = {NULL};
char *ret;
int index;
char *tmp;
if (fd < 0 || read(fd, save, 0) < 0)
return (NULL);
index = ft_getindex(fd, &save[fd]);
if (!save[fd])
return (NULL);
if (index == -1 || save[fd][index + 1] == '\0')
{
ret = ft_freejoin(NULL, save[fd]);
free(save[fd]);
save[fd] = NULL;
}
else
{
ret = ft_strndup(save[fd], index + 1);
tmp = save[fd];
save[fd] = ft_freejoin(NULL, &save[fd][index + 1]);
free(tmp);
tmp = NULL;
}
return (ret);
}