Kinou/get_next_line
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This commit is contained in:
kinou-p 2020-12-16 13:14:04 +01:00
parent 5ce44645d5
commit 517d8158b5
3 changed files with 76 additions and 76 deletions
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100
get_next_line.c
View File

@ -6,33 +6,21 @@
/* By: apommier <alexpomms@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/12/14 02:40:53 by apommier #+# #+# */
/* Updated: 2020/12/16 07:56:59 by apommier ### ########.fr */
/* Updated: 2020/12/16 13:13:15 by apommier ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include "get_next_line.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
int ft_strlen(char *s1)
char *ft_strjoin(char *save, char *s2)
{
int i;
i = 0;
if (!s1)
return (0);
while (s1[i])
i++;
return (i);
}
char *ft_strjoin(char *save, char *s2)
{
char *dest;
int i;
int j;
char *dest;
int i;
int j;
i = 0;
j = 0;
@ -58,41 +46,45 @@ char *ft_strjoin(char *save, char *s2)
return (dest);
}
static char *up_save(char **save, int fd, int *end)
char *up_save(char **save, int fd, int *end)
{
char *dest;
char *delete;
int i;
dest = 0;
delete = *save;
if (!(dest = (char*)malloc(1 * (1 + BUFFER_SIZE))))
if (!(dest = (char*)malloc(1 + BUFFER_SIZE)))
{
if (*save)
free(*save);
return (0);
}
i = read(fd, dest, BUFFER_SIZE);
*end = i;
dest[i] = 0;
if (!(*save = ft_strjoin(*save, dest)))
{
free(dest);
free(delete);
return (0);
}
*end = read(fd, dest, BUFFER_SIZE);
dest[*end] = 0;
if (!(*save = ft_strjoin(*save, dest)))
{
free(dest);
free(delete);
return (0);
}
return (*save);
}
int is_line(char *save, int *end)
int is_line(char *save, int *end)
{
int i;
i = 0;
if (save == 0)
return (0);
if (*end < BUFFER_SIZE)
return (1);
{
while (save[i] && save[i] != '\n')
i++;
if (save[i])
*end = BUFFER_SIZE;
}
i = 0;
while (save[i])
{
if (save[i] == '\n')
@ -105,24 +97,21 @@ int is_line(char *save, int *end)
return (0);
}
char *is_next_line(char **save, int *end, int fd)
char *is_next_line(char **save, int *end, int fd)
{
char *delete;
int i;
i = 0;
delete = *save;
if (*save)
{
while ((*save)[i])
i++;
while (*save && (*save)[i])
i++;
if (!(*save = ft_strjoin(*save + i, 0)))
{
free(delete);
return (0);
}
if (*save && !(*save = ft_strjoin(*save + i + 1, 0)))
{
free(delete);
return (0);
}
up_save(save, fd, end);
while (!is_line(*save, end))
{
up_save(save, fd, end);
@ -137,10 +126,9 @@ char *is_next_line(char **save, int *end, int fd)
}
int get_next_line(int fd, char **line)
int get_next_line(int fd, char **line)
{
int j;
int *end;
int end;
static char **save;
if (!save)
@ -149,19 +137,22 @@ int get_next_line(int fd, char **line)
return (-1);
*save = 0;
}
end = &j;
j = BUFFER_SIZE;
end = BUFFER_SIZE;
if (fd < 0 || !line || BUFFER_SIZE < 1)
return (-1);
is_next_line(save, end, fd);
is_next_line(save, &end, fd);
if (!(*save))
return (-1);
*line = ft_strjoin(*save, 0);
if (*end < BUFFER_SIZE)
if (!(*line))
{
free(*save);
return (0);
}
if (end < BUFFER_SIZE)
return (0);
return (1);
}
int main(int argc, char **argv)
{
int fd;
@ -169,16 +160,17 @@ int main(int argc, char **argv)
char *buff;
int line;
printf("DEFINE BUFFER_SIZE=%d\n", BUFFER_SIZE);
line = 0;
if (argc == 2)
{
fd = open(argv[1], O_RDONLY);
while ((ret = get_next_line(fd, &buff)) > 0)
{
printf("[Return: %d] Line ->%d : '%s'\n", ret, ++line, buff);
printf("\033[38;5;2m" "[Return: %d] Line ->%d : '%s'\n", ret, ++line, buff);
free(buff);
}
printf("[Return: %d] Line ->%d : %s\n", ret, ++line, buff);
printf("\033[38;5;2m" "[Return: %d] Line ->%d : %s\n", ret, ++line, buff);
close(fd);
}
if (argc == 1)

25
get_next_line.h Normal file
View File

@ -0,0 +1,25 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* get_next_line.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: apommier <alexpomms@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/12/14 05:58:49 by apommier #+# #+# */
/* Updated: 2020/12/16 08:44:39 by apommier ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef GET_NEXT_LINE_H
# define GET_NEXT_LINE_H
#include <stdlib.h>
#include <unistd.h>
int get_next_line(int fd, char **line);
int is_line(char *save, int *end);
char *up_save(char **save, int fd, int *end);
char *ft_strjoin(char *savee, char *s2);
int ft_strlen(char *s1);
char *is_nex_line(char **save, int *end, int fd);
#endif

27
get_next_line_utils.c
View File

@ -6,36 +6,19 @@
/* By: apommier <alexpomms@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/12/14 06:05:54 by apommier #+# #+# */
/* Updated: 2020/12/14 06:06:31 by apommier ### ########.fr */
/* Updated: 2020/12/16 08:36:15 by apommier ### ########.fr */
/* */
/* ************************************************************************** */
#include "get_next_line.h"
char *ft_strjoin(char const *s1, char const *s2)
int ft_strlen(char *s1)
{
char *dest;
int i;
int j;
int i;
i = 0;
j = 0;
dest = (char*)malloc(sizeof(char) * (ft_strlen(s1) + ft_strlen(s2) + 1));
if (dest == 0)
if (!s1)
return (0);
while (s1[i])
{
dest[j] = s1[i];
j++;
i++;
}
i = 0;
while (s2[i])
{
dest[j] = s2[i];
j++;
i++;
}
dest[j] = 0;
return (dest);
return (i);
}