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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_e_externs.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 17:19:27 by rbousset #+# #+# */
/* Updated: 2020/02/14 17:19:29 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <libft.h>
#include <dirent.h>
#include "ft_f_fail.h"
#include "ft_s_destroy.h"
#include "ft_s_lcom.h"
#include "ft_s_struct.h"
static void
ft_search_in_path(const char *com,
char **envpath)
{
char **p_path;
(void)com;
p_path = envpath;
while (*p_path)
{
/* TODO: directory(3) */
/* opendir() | readdir() | closedir() */
p_path++;
}
}
static char
**ft_get_env_path(t_msh *msh)
{
char **p_env;
char **envpath;
char *envline;
p_env = msh->envp;
while (*p_env && ft_strncmp("PATH", *p_env, 4) != 0)
{
p_env++;
}
if (*p_env == NULL)
return (NULL);
envline = ft_strchr(*p_env, '=');
envline += 1;
if (*envline != '\0')
{
if (!(envpath = ft_split(envline, ':')))
{
ft_lcom_clear(&msh->curr);
ft_s_destroy(msh);
ft_fail_alloc();
}
return (envpath);
}
return (NULL);
}
void
ft_e_extern(t_lcom *ptr,
t_msh *msh)
{
char **envpath;
if (ft_ischarset("/.", ptr->com[0]))
{
/* TODO: ft_get_absolute_path(ptr->com); */
}
else if ((envpath = ft_get_env_path(msh)) != NULL)
{
ft_search_in_path(ptr->com, envpath);
ft_delwords(envpath);
}
/* TODO: exec $PATH stuff | initiate all builtins first, even uncomplete */
}
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