Files
42_INT_10_cube3d/srcs/gnl/get_next_line.c

66 lines
1.6 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* get_next_line.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: pblagoje <pblagoje@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/01/27 12:42:20 by pblagoje #+# #+# */
/* Updated: 2022/05/04 21:23:28 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
#include "get_next_line.h"
void ft_free_gnl(char **s)
{
if (*s != NULL)
{
free(*s);
*s = NULL;
}
}
char *ft_strcpy(char *s1, char *s2)
{
int i;
i = 0;
while (s2[i])
{
s1[i] = s2[i];
i++;
}
s1[i] = '\0';
return (s1);
}
int get_next_line(int fd, char **line)
{
int ret;
static char *mem;
char *buf;
ret = 1;
buf = NULL;
if (BUFFER_SIZE <= 0 || !line || read(fd, buf, 0) == -1)
return (-1);
buf = malloc(sizeof(char) * (BUFFER_SIZE + 1));
while (!ft_is_newline(mem, '\n') && ret != 0)
{
ret = read(fd, buf, BUFFER_SIZE);
buf[ret] = '\0';
mem = ft_strjoin_gnl(mem, buf);
}
if (!ret)
{
ft_free_gnl(&mem);
ft_free_gnl(&buf);
return (0);
}
*line = ft_strtrim_gnl(mem);
mem = ft_strchr_gnl(mem, '\n');
ft_free_gnl(&buf);
return (1);
}