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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* path.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/27 15:51:01 by cacharle #+# #+# */
/* Updated: 2020/09/14 20:44:39 by charles ### ########.fr */
/* */
/* ************************************************************************** */
/*
** \file path.c
** \brief Path search
*/
#include "minishell.h"
static bool st_dir_search(char *dirname, char *exec_name, char exec_path[PATH_MAX + 1])
{
DIR *dir;
struct dirent *entry;
if ((dir = opendir(dirname)) == NULL)
return (false);
while ((entry = readdir(dir)) != NULL)
{
if (ft_strcmp(entry->d_name, exec_name) == 0)
{
ft_strcpy(exec_path, dirname);
ft_strcat(exec_path, "/");
ft_strcat(exec_path, exec_name);
return (true);
}
}
closedir(dir);
return (false);
}
bool path_search(t_env env, char *exec_name, char exec_path[PATH_MAX + 1])
{
char *current_dir;
char *collon;
char cwd[PATH_MAX + 1];
if (ft_strchr(exec_name, '/') != NULL)
{
ft_strcpy(exec_path, exec_name);
return (true);
}
/* printf("==========\n"); */
if ((current_dir = env_search(env, "PATH")) == NULL)
return (st_dir_search(getcwd(cwd, PATH_MAX + 1), exec_name, exec_path));
/* printf("%s\n", current_dir); */
while ((collon = ft_strchr(current_dir, ':')) != NULL)
{
*collon = '\0';
/* printf("%s\n", current_dir); */
if (*current_dir == '\0')
current_dir = getcwd(cwd, PATH_MAX + 1);
if (st_dir_search(current_dir, exec_name, exec_path))
return (true);
*collon = ':';
current_dir = collon + 1;
}
/* printf("> %s\n", current_dir); */
if (*current_dir == '\0')
current_dir = getcwd(cwd, PATH_MAX + 1);
if (st_dir_search(current_dir, exec_name, exec_path))
return (true);
/* printf("yo\n"); */
return (false);
}
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