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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* path.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/27 15:51:01 by cacharle #+# #+# */
/* Updated: 2020/02/27 18:07:16 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
static void st_path_command_entry_del(t_ftht_content *content)
{
if (content == NULL)
return ;
free(content->key);
free(content->value);
}
static int st_in_dirs(char **dirs, char *dir)
{
while (*dirs != NULL)
if (ft_strcmp(*dirs++, dir) == 0)
return (TRUE); // maybe change ft_lstremove_if func to cmp instead of bool
return (FALSE);
}
static t_path *st_path_commands_update(t_path *path, char *dirname)
{
DIR *dir;
struct dirent *entry;
char *tmp;
if ((dir = opendir(dirname)) == NULL)
return (NULL);
while ((entry = readdir(dir)) != NULL)
{
if ((tmp = ft_strjoin(dirname, entry->d_name)) == NULL)
return (NULL);
if (ft_htset(path->commands, entry->d_name, st_path_command_entry_del) == NULL)
return (NULL);
}
if (closedir(dir) == -1)
return (NULL);
return (path);
}
/*
** Update path list with `dirname`
*/
static t_path *st_path_dir_update(t_path *path, char *dirname)
{
t_ftlst *front;
if (ft_lstlfind(path->dirs, (int (*)(void*, void*))ft_strcmp, dirname) == NULL)
{
if ((dirname = ft_strdup(dirname)) == NULL)
return (NULL);
if ((front = ft_lstnew(dirname)) == NULL)
{
free(dirname);
return (NULL);
}
ft_lstadd_front(&path->dirs, front);
}
return (st_path_commands_update(path, dirname));
}
/*
** Update (or create if `path` is NULL) `path` according to `path_str`
** (each directory is separated by a ':').
*/
t_path *ms_path_update(t_path *path, const char *path_str)
{
int i;
char **dirs;
if (path == NULL)
if ((path = malloc(sizeof(t_path))) == NULL)
return (NULL);
if ((dirs = ft_split(path_str, ':')) == NULL)
return (NULL);
ft_lstremove_if(&path->dirs, (t_ftbool (*)(void*, void*))st_in_dirs, free, (void*)dirs); // change t_ftbool to std bool
i = -1;
while (dirs[i] != NULL)
if (st_path_dir_update(path, dirs[i]) == NULL)
return (ft_split_destroy(dirs));
ft_split_destroy(dirs);
return (path);
}
void ms_path_destroy(t_path *path)
{
if (path == NULL)
return ;
ft_lstclear(&path->dirs, free);
ft_htdestroy(path->commands, st_path_command_entry_del);
free(path);
}
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