Kinou/get_next_line
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This commit is contained in:
kinou-p 2020-12-16 07:59:34 +01:00
parent f82fc2e13e
commit 5ce44645d5
1 changed files with 47 additions and 47 deletions
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76
get_next_line.c
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@ -6,7 +6,7 @@
/* By: apommier <alexpomms@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/12/14 02:40:53 by apommier #+# #+# */
/* Updated: 2020/12/15 08:40:46 by apommier ### ########.fr */
/* Updated: 2020/12/16 07:56:59 by apommier ### ########.fr */
/* */
/* ************************************************************************** */
@ -28,7 +28,7 @@ int ft_strlen(char *s1)
return (i);
}
char *ft_strjoin(char *s1, char *s2)
char *ft_strjoin(char *save, char *s2)
{
char *dest;
int i;
@ -36,14 +36,14 @@ char *ft_strjoin(char *s1, char *s2)
i = 0;
j = 0;
if (!s1 && !s2)
if (!save && !s2)
return(0);
dest = (char*)malloc(sizeof(char) * (ft_strlen(s1) + ft_strlen(s2) + 1));
dest = (char*)malloc(sizeof(char) * (ft_strlen(save) + ft_strlen(s2) + 1));
if (!dest)
return (0);
while (s1 && s1[i])
while (save && save[i])
{
dest[j] = s1[i];
dest[j] = save[i];
j++;
i++;
}
@ -58,34 +58,30 @@ char *ft_strjoin(char *s1, char *s2)
return (dest);
}
static char *up_save(char *save, int fd, int *end)
static char *up_save(char **save, int fd, int *end)
{
char *dest;
char *delete;
int i;
delete = save;
dest = 0;
delete = *save;
if (!(dest = (char*)malloc(1 * (1 + BUFFER_SIZE))))
{
if (save)
free(save);
if (*save)
free(*save);
return (0);
}
i = read(fd, dest, BUFFER_SIZE);
*end = i;
dest[i] = 0;
if (i < BUFFER_SIZE && dest[i - 1] != '\n')
{
dest[i + 1] = 0;
dest[i] = '\n';
}
if (!(save = ft_strjoin(save, dest)))
if (!(*save = ft_strjoin(*save, dest)))
{
free(dest);
free(delete);
return (0);
}
return (save);
return (*save);
}
int is_line(char *save, int *end)
@ -95,6 +91,8 @@ int is_line(char *save, int *end)
i = 0;
if (save == 0)
return (0);
if (*end < BUFFER_SIZE)
return (1);
while (save[i])
{
if (save[i] == '\n')
@ -104,58 +102,61 @@ int is_line(char *save, int *end)
}
i++;
}
if (*end < BUFFER_SIZE)
return (1);
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)
delete = *save;
if (*save)
{
while (save[i])
while ((*save)[i])
i++;
i++;
if (save[i])
if (!(save = ft_strjoin(save + i, 0)))
if (!(*save = ft_strjoin(*save + i, 0)))
{
free(delete);
return (0);
}
}
i = 0;
while (!(is_line(save, end)))
while (!is_line(*save, end))
{
save = up_save(save, fd, end);
if (!save)
up_save(save, fd, end);
if (!(*save))
{
free(delete);
return (0);
}
}
free(delete);
return (save);
return (*save);
}
int get_next_line(int fd, char **line)
{
static char *save;
int j;
int *end;
static char **save;
if (!save)
{
if(!(save = malloc(sizeof(char*))))
return (-1);
*save = 0;
}
end = &j;
j = 0;
j = BUFFER_SIZE;
if (fd < 0 || !line || BUFFER_SIZE < 1)
return (-1);
save = is_next_line(save, end, fd);
if (!save)
is_next_line(save, end, fd);
if (!(*save))
return (-1);
*line = save;
*line = ft_strjoin(*save, 0);
if (*end < BUFFER_SIZE)
return (0);
return (1);
@ -168,17 +169,16 @@ 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("\033[38;5;2m" "[Return: %d] Line ->%d : '%s'\n", ret, ++line, buff);
printf("[Return: %d] Line ->%d : '%s'\n", ret, ++line, buff);
free(buff);
}
printf("\033[38;5;2m" "[Return: %d] Line ->%d : %s\n", ret, ++line, buff);
printf("[Return: %d] Line ->%d : %s\n", ret, ++line, buff);
close(fd);
}
if (argc == 1)