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bonus 1try algo finish

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This commit is contained in:
David Gailleton
2025-11-26 12:21:20 +01:00
parent a4c9a91209
commit 40888a30f8
7 changed files with 167 additions and 34 deletions
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132
get_next_line_bonus.c
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@@ -6,44 +6,134 @@
/* By: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/11/24 15:55:25 by dgaillet #+# #+# */
/* Updated: 2025/11/24 17:22:10 by dgaillet ### ########lyon.fr */
/* Updated: 2025/11/26 12:20:50 by dgaillet ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
#include "get_next_line_bonus.h"
static char *get_lines(int fd, char *str)
static int del_before_nl(char buf[BUFFER_SIZE])
{
char buf[BUFFER_SIZE];
int res;
int nl_i;
int i;
char *temp;
res = read(fd, buf, BUFFER_SIZE);
while (res > 0)
nl_i = index_of_nl(buf, BUFFER_SIZE);
if (nl_i >= 0)
{
if (!str)
str = ft_strdup(buf);
else
str = ft_strjoin_new(str, buf, res);
if (!str)
return (NULL);
temp = ft_substr(buf, nl_i + 1, BUFFER_SIZE - nl_i);
if (!temp)
return (-1);
ft_bzero(buf, BUFFER_SIZE);
res = read(fd, buf, BUFFER_SIZE);
i = 0;
while (temp[i])
{
buf[i] = temp[i];
i++;
}
free(temp);
}
if (res < 0)
{
if (str)
free(str);
return (1);
}
static char *extract_all_nl(char buf[BUFFER_SIZE], int fd, char *str, int nl_i)
{
int temp;
str = ft_substr(buf, 0, BUFFER_SIZE);
if (!str)
return (NULL);
while (nl_i < 0)
{
str = ft_strjoin_new(str, buf, temp);
ft_bzero(buf, BUFFER_SIZE);
temp = read(fd, buf, BUFFER_SIZE);
if (temp < 0)
return (free(str), NULL);
if ((!str || ft_strlen(str) == 0) && temp == 0)
return (free(str), NULL);
if (temp == 0)
return (str);
nl_i = index_of_nl(buf, temp);
}
str = ft_strjoin_new(str, buf, nl_i);
temp = del_before_nl(buf);
if (temp < 0)
return (free(str), NULL);
return (str);
}
static char *ft_gnl_extra(char buf[BUFFER_SIZE], int fd)
{
int nl_i;
int temp;
char *str;
nl_i = index_of_nl(buf, BUFFER_SIZE);
if (nl_i >= 0)
{
str = ft_substr(buf, 0, nl_i);
temp = del_before_nl(buf);
if (temp < 0)
return (free(str), NULL);
}
else
str = extract_all_nl(buf, fd, "", nl_i);
return (str);
}
char *get_next_line(int fd)
{
static char *strs[1024];
if (!strs[fd])
strs[fd] = get_lines(fd, strs[fd]);
static char strs[1024][BUFFER_SIZE];
char *to_return;
to_return = ft_gnl_extra(strs[fd], fd);
return (to_return);
}
/*
#include <stdio.h>
#include <fcntl.h>
int main(void)
{
char *str;
int fd1;
int fd2;
int fd3;
fd1 = open("a.txt", O_RDONLY);
fd2 = open("b.txt", O_RDONLY);
fd3 = open("c.txt", O_RDONLY);
str = get_next_line(fd1);
printf("%s\n", str);
free(str);
str = get_next_line(fd2);
printf("%s\n", str);
free(str);
str = get_next_line(fd3);
printf("%s\n", str);
free(str);
str = get_next_line(fd1);
printf("%s\n", str);
free(str);
str = get_next_line(fd2);
printf("%s\n", str);
free(str);
str = get_next_line(fd3);
printf("%s\n", str);
free(str);
str = get_next_line(fd1);
printf("%s\n", str);
free(str);
str = get_next_line(fd2);
printf("%s\n", str);
free(str);
str = get_next_line(fd3);
printf("%s\n", str);
free(str);
str = get_next_line(fd1);
printf("%s\n", str);
free(str);
}
*/