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ft_mini_ls.c
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ft_mini_ls.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_mini_ls.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rishimot <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/12/03 13:24:31 by rishimot #+# #+# */
/* Updated: 2020/12/04 23:39:45 by rishimot ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_mini_ls.h"
static void put_list(t_list *lst)
{
t_list *tmp;
while (lst->next != NULL)
{
ft_putstr_fd(((t_file_info *)lst->content)->name, 1);
write(1, &"\n", 1);
tmp = lst;
lst = lst->next;
free(tmp->content);
free(tmp);
}
free(lst);
}
static t_list *store_string(t_list *lst, t_file_info *nf,\
t_options option)
{
t_list *new;
t_list *top;
t_list *pre;
top = lst;
pre = lst;
new = ft_lstnew(nf);
while (lst->next != NULL)
{
if (option.s && filesize_cmp(lst, nf) > 0)
break ;
else if (!option.s && filetime_cmp(lst, nf) > 0)
break ;
pre = lst;
lst = lst->next;
}
if (lst == top)
{
new->next = lst;
return (new);
}
new->next = pre->next;
pre->next = new;
return (top);
}
static t_list *list_dir(t_list *lst, DIR *dir, t_options option)
{
t_file_info *new_file;
struct dirent *dp;
struct stat stat_buf;
while ((dp = readdir(dir)) != NULL)
{
if (dp->d_name[0] == '.')
continue ;
if ((new_file = (t_file_info *)malloc(sizeof(t_file_info))) == NULL)
break ;
new_file->name = dp->d_name;
if (stat(new_file->name, &stat_buf) == 0)
{
new_file->time = stat_buf.st_mtimespec;
new_file->size = stat_buf.st_size;
}
lst = store_string(lst, new_file, option);
}
closedir(dir);
return (lst);
}
int main(int argc, char **argv)
{
t_list *lst;
DIR *dir;
t_options option;
option.s = 0;
if (argc == 2)
if (ft_memcmp(argv[1], "-S", 2) == 0)
option.s = 1;
if (argc >= 3)
{
write(2, "too argument\n", 13);
return (1);
}
if ((dir = opendir(".")) == NULL)
{
perror("open dir error");
return (1);
}
if ((lst = (t_list *)malloc(sizeof(t_list))) == NULL)
return (0);
lst->next = NULL;
lst = list_dir(lst, dir, option);
put_list(lst);
return (0);
}