Merge branch 'master' into fix-pwd

1 files changed, 143 insertions, 0 deletions

diff --git a/src/s_lcom.c b/src/s_lcom.c
new file mode 100644
index 0000000..f1ef2a4
--- /dev/null
+++ b/src/s_lcom.c
@@ -0,0 +1,143 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   s_lcom.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>
+#include <stdint.h>
+
+#include "p_lcom.h"
+#include "p_lcom_next.h"
+#include "s_struct.h"
+
+static int8_t
+	fill_lcom(char *words[],
+				t_lcom **lcom)
+{
+	/* TODO: norme */
+	uint64_t	i;
+	uint64_t	j;
+
+	i = 0;
+	if (words[0])
+	{
+		if (!((*lcom)->com = (char*)malloc((ft_strlen(words[0]) + 1) *
+			sizeof(char))))
+			return (-1);
+		ft_strlcpy((*lcom)->com, words[0], ft_strlen(words[0]) + 1);
+	}
+	else
+		return (0);
+	while(words[i])
+	{
+		/* TODO: cut fd number "msh ~> echo a 2>file" */
+		/*                                    ^       */
+		if (ft_ischarset("<>", words[i][0]))
+			break ;
+		i++;
+	}
+	if (!((*lcom)->argv = (char**)malloc((i + 1) * sizeof(char*))))
+			return (-1);
+	j = 0;
+	while (i > 0 && j < i)
+	{
+		if (!((*lcom)->argv[j] = ft_strdup(words[j])))
+			return (-1);
+		j++;
+	}
+	(*lcom)->argv[j] = 0;
+	return (0);
+}
+
+t_lcom
+	*lcom_last(t_lcom *lcom)
+{
+	while (lcom->next != NULL)
+		lcom = lcom->next;
+	return (lcom);
+}
+
+void
+	lcom_add_back(t_lcom **alcom,
+					t_lcom *new)
+{
+	t_lcom	*tmp;
+
+	if (!*alcom)
+		*alcom = new;
+	else
+	{
+		tmp = lcom_last(*alcom);
+		tmp->next = new;
+	}
+}
+
+void
+	lcom_clear(t_lcom **lcom)
+{
+	t_lcom	*tmp;
+	t_lcom	*renext;
+
+	if (!lcom)
+		return ;
+	tmp = *lcom;
+	while (tmp)
+	{
+		renext = tmp->next;
+		ft_memdel((void*)&tmp->com);
+		if (tmp->argv)
+			ft_delwords(tmp->argv);
+		if (tmp->redir != 0)
+			ft_memdel((void*)&tmp->rdrpath);
+		ft_memdel((void*)&tmp);
+		tmp = renext;
+	}
+	*lcom = NULL;
+}
+
+t_lcom
+	*lcom_new(const char word[],
+				t_msh *msh)
+{
+	/* TODO: norme */
+	t_lcom	*link;
+	char	**words;
+
+	if (!(link = (t_lcom*)malloc(sizeof(t_lcom))))
+		return (NULL);
+	link->redir = 0;
+	link->com = NULL;
+	link->argv = NULL;
+	link->rdrfd = 0;
+	link->rdrpath = NULL;
+	link->pipes = NULL;
+	if (!word)
+	{
+		link->next = NULL;
+		return (link);
+	}
+	link->pipes = NULL;
+	if (get_redir(word, &link) != 0)
+		return (NULL);
+	if (!(words = p_subst_args(word, link->redir)))
+		return (NULL);
+	if (!(words = p_subst_vars(words, msh)))
+		return (NULL);
+	words = p_check_args_equals(words, msh);
+	if (fill_lcom(words, &link) < 0)
+	{
+		ft_delwords(words);
+		return (NULL);
+	}
+	link->next = NULL;
+	ft_delwords(words);
+	return (link);
+}