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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* 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 <sys/wait.h>
#include <libft.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include "e_externs_next.h"
#include "f_fail.h"
#include "m_redirs.h"
#include "s_destroy.h"
#include "s_lcom.h"
#include "s_struct.h"
static void
e_extern_child(const char *fullpath,
t_lcom *ptr,
t_msh *msh)
{
dup_redirs(ptr, msh);
execve(fullpath, ptr->argv, msh->envp);
/* TODO: handle execve failed */
}
static void
exec_path(const char fullpath[],
t_lcom *ptr,
t_msh *msh)
{
pid_t pid;
int32_t status;
if ((pid = fork()) == 0)
{
/* if (ptr->env_fork != NULL) */
/* e_export_env_fork(ptr->env_fork, msh); */
e_extern_child(fullpath, ptr, msh);
}
else if (pid < 0)
{
/* TODO: handle fork failed */
}
else
{
while (wait(&status) != pid)
;
msh->ret = WEXITSTATUS(status);
}
}
void
e_extern(t_lcom *ptr,
t_msh *msh)
{
char **envpath;
char *fullpath;
if (ft_ischarset("./", ptr->com[0]))
{
exec_path(ptr->com, ptr, msh);
return ;
}
else if ((envpath = get_env_path(msh)) != NULL)
{
fullpath = search_in_path(ptr->com, envpath, msh);
ft_delwords(envpath);
if (fullpath == NULL)
{
f_fail_command_not_found(ptr->com);
}
else
{
exec_path(fullpath, ptr, msh);
ft_memdel((void*)&fullpath);
}
}
}
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