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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: selbakya <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/05/08 23:31:42 by selbakya #+# #+# */
/* Updated: 2023/05/08 23:55:04 by selbakya ### ########.fr */
/* */
/* ************************************************************************** */
#include "get_next_line_bonus.h"
char *ft_get_slice(int fd, char *few_buffers)
{
char real_buf[BUFFER_SIZE + 1];
char *tmp_line;
long read_flag_size;
read_flag_size = 1;
while (1)
{
read_flag_size = read(fd, real_buf, BUFFER_SIZE);
if (read_flag_size < 0)
{
if (few_buffers)
free(few_buffers);
return (NULL);
}
real_buf[read_flag_size] = '\0';
if (!few_buffers)
tmp_line = ft_strdup(real_buf);
else
tmp_line = ft_strjoin(few_buffers, real_buf);
few_buffers = tmp_line;
if (ft_strchr(few_buffers, '\n') || read_flag_size == 0)
break ;
}
return (few_buffers);
}
char *get_next_line(int fd)
{
static char *buf[OPEN_MAX];
char *to_free;
char *res_str;
size_t len_out;
if ((fd < 0 || fd > OPEN_MAX) || BUFFER_SIZE == 0)
{
if (buf[fd])
free(buf[fd]);
return (NULL);
}
buf[fd] = ft_get_slice(fd, buf[fd]);
if (!buf[fd])
return (NULL);
len_out = ft_strchr(buf[fd], '\n') - buf[fd];
res_str = ft_substr(buf[fd], 0, len_out + 1);
to_free = buf[fd];
buf[fd] = ft_substr(buf[fd], len_out + 1, (ft_strlen(buf[fd]) - len_out));
free(to_free);
return (res_str);
}