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#include <unistd.h>
#include <stdlib.h>
#include "libft.h"
#include "get_next_line.h"
static unsigned int cursor;
static void *ft_memcat(void *ptr, void *tail,
unsigned int size, unsigned int tail_size);
int get_next_line(const int fd, char **line)
{
unsigned int newline_i;
char buf[BUFF_SIZE];
if (read(fd, buf, BUFF_SIZE) < 0)
return (-1);
if ((*line = ft_strnew(0)) == NULL)
return (-1);
newline_i = 0;
while (buf[newline_i])
{
while (buf[newline_i] != '\n')
newline_i++;
ft_memcat(*line, buf, 0, newline_i);
if (read(fd, buf, BUFF_SIZE) < 0)
return (-1);
}
return (0);
}
static void *ft_memcat(void *ptr, void *tail,
unsigned int size, unsigned int tail_size)
{
void *copy;
if ((copy = malloc(size)) == NULL)
return (NULL);
ft_memcpy(copy, ptr, size);
free(ptr);
if ((ptr = malloc(size + tail_size)) == NULL)
return (NULL);
ft_memcpy(ptr, copy, size);
free(copy);
ft_memcpy(ptr + size, tail, tail_size);
return (ptr);
}
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