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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* s_com.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 <stdlib.h>
#ifdef __linux__
# include <linux/limits.h>
#else
# include <limits.h>
#endif
#include "d_define.h"
#include "f_fail.h"
#include "p_args.h"
#include "p_lblock.h"
#include "p_lblock_next.h"
#include "p_subst_alias.h"
#include "p_subst_home.h"
#include "p_subst_vars.h"
#include "p_redirs.h"
#include "s_lredir.h"
#include "s_struct.h"
static char s_fill_com(char *words[], t_com **com)
{
unsigned long i;
unsigned long j;
if (words[0] == NULL)
return (0);
if (((*com)->bin = (char*)malloc((ft_strlen(words[0]) + 1)
* sizeof(char))) == NULL)
return (-1);
ft_strlcpy((*com)->bin, words[0], ft_strlen(words[0]) + 1);
i = 0;
while (words[i] != NULL)
i++;
if (((*com)->argv = (char**)malloc((i + 1) * sizeof(char*))) == NULL)
return (-1);
j = 0;
while (i > 0 && j < i)
{
if (((*com)->argv[j] = ft_strdup(words[j])) == NULL)
return (-1);
j++;
}
(*com)->argv[j] = 0;
return (0);
}
static void s_com_cpy_env_fork(t_com **com, t_msh *msh)
{
size_t i;
size_t j;
i = 0;
while (msh->env_fork_tmp[i][0] != '\0')
i++;
if (((*com)->env_fork = (char**)malloc((i + 1) * sizeof(char*))) == NULL)
f_alloc_and_destroy_msh(msh);
j = 0;
while (j < i)
{
if (((*com)->env_fork[j] = ft_strdup(msh->env_fork_tmp[j])) == NULL)
f_alloc_and_destroy_msh(msh);
j++;
}
(*com)->env_fork[j] = NULL;
}
void s_com_destroy(t_com **com)
{
t_com *ptr;
if (*com == NULL)
return ;
ptr = *com;
ft_memdel((void*)&ptr->bin);
if (ptr->argv != NULL)
ft_delwords(ptr->argv);
if (ptr->env_fork != NULL)
ft_delwords(ptr->env_fork);
if (ptr->rdr != NULL)
s_lredir_clear(&ptr->rdr);
ft_memdel((void*)&ptr);
}
static void *s_get_nword(char nword[], char word[], t_com *com, t_msh *msh)
{
size_t ret;
nword[0] = C_NUL;
ft_strlcpy(nword, word, ARG_MAX);
if (p_redirs(nword, &com, msh) != 0)
{
msh->ret = 1;
ft_memdel((void*)&com);
return (NULL);
}
if (msh->alias != NULL)
{
ret = p_subst_alias(nword, TRUE, msh);
while (ret != 0)
ret = p_subst_alias(nword, FALSE, msh);
}
p_subst_vars(nword, msh);
return (nword);
}
t_com *s_com_new(char word[], t_msh *msh)
{
char nword[ARG_MAX];
t_com *com;
char **words;
if ((com = (t_com*)malloc(sizeof(t_com))) == NULL)
return (NULL);
com->argv = NULL;
com->env_fork = NULL;
com->bin = NULL;
com->rdr = NULL;
if (s_get_nword(nword, word, com, msh) == NULL
|| (words = p_split_args(nword)) == NULL
|| (words = p_subst_home(words, msh)) == NULL)
return (NULL);
words = p_check_args_equals(words, msh);
if (msh->env_fork_tmp[0][0] != '\0')
s_com_cpy_env_fork(&com, msh);
if (s_fill_com(words, &com) < 0)
{
ft_delwords(words);
return (NULL);
}
ft_delwords(words);
return (com);
}
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