1 files changed, 100 insertions, 0 deletions
diff --git a/src/s_init.c b/src/s_init.c
new file mode 100644
index 0000000..a0ea9a3
--- /dev/null
+++ b/src/s_init.c
@@ -0,0 +1,100 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   s_init.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 <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "d_define.h"
+#include "m_funptr.h"
+#include "s_init.h"
+#include "u_vars.h"
+#include "u_vars_next.h"
+
+static char
+	**dupenv_del(char **nenvp,
+					uint64_t i)
+{
+	while (i > 0)
+	{
+		ft_memdel((void*)&nenvp[i]);
+		i--;
+	}
+	ft_memdel((void*)&nenvp);
+	return (NULL);
+}
+
+static char
+	**dupenv(char *const envp[])
+{
+	uint64_t	i;
+	char		**nenvp;
+
+	i = 0;
+	while (envp[i])
+	{
+		i++;
+	}
+	if (!(nenvp = (char**)malloc((i + 1) * sizeof(char*))))
+	{
+		return (NULL);
+	}
+	i = 0;
+	while (envp[i])
+	{
+		if (!(nenvp[i] = ft_strdup(envp[i])))
+			return (dupenv_del(nenvp, i));
+		i++;
+	}
+	nenvp[i] = NULL;
+	return (nenvp);
+}
+
+static void
+	inc_shlvl(t_msh *msh)
+{
+	char	*str_one;
+	char	*str_two;
+
+	u_subst_var_value("$SHLVL",
+		str_one = ft_itoa(
+		ft_atoi(str_two = u_get_var_value("$SHLVL", msh)) + 1), msh);
+	ft_memdel((void*)&str_one);
+	ft_memdel((void*)&str_two);
+}
+
+t_msh
+	*init_msh(char *const argv[],
+				char *const envp[])
+{
+	t_msh	*msh;
+
+	if (!(msh = (t_msh*)malloc(sizeof(t_msh))))
+		return (NULL);
+	if (!(msh->ps_one = ft_strdup(FT_PS_ONE)))
+		return (NULL);
+	if (!(msh->shname = ft_strdup(argv[0])))
+		return (NULL);
+	/* TODO: shname: care about "./", try with symlinks */
+	msh->envp = NULL;
+	if (!(msh->envp = dupenv(envp)))
+		return (NULL);
+	msh->cwd = NULL;
+	msh->cwd = u_get_var_value("$PWD", msh);
+	msh->ret = 0;
+	init_buptr(msh);
+	msh->curr = NULL;
+	msh->vars = NULL;
+	inc_shlvl(msh);
+	return (msh);
+}