Fixed $PWD at startup

1 files changed, 75 insertions, 0 deletions

diff --git a/src/b_cd.c b/src/b_cd.c
index 07410f8..8bd1d2f 100644
--- a/src/b_cd.c
+++ b/src/b_cd.c
@@ -13,7 +13,9 @@
 #include <libft.h>
 #include <stdint.h>
 #include <unistd.h>
+#include <limits.h>
 
+#include "b_export_next.h"
 #include "f_fail.h"
 #include "s_destroy.h"
 #include "s_struct.h"
@@ -43,9 +45,82 @@ static void
 }
 
 static void
+	b_set_oldpwd(t_msh *msh)
+{
+	char	*pwd;
+	char	*tmp;
+	char	fmt[PATH_MAX];
+
+	if ((pwd = u_get_var_value("$PWD", msh)) == NULL)
+	{
+		if ((pwd = ft_strdup(msh->cwd)) == NULL)
+			f_fail_alloc_and_destroy(msh);
+	}
+	if ((tmp = u_get_var_value("$OLDPWD", msh)) == NULL)
+	{
+		ft_sprintf(fmt, "%s=%s", "OLDPWD", pwd);
+		b_export_with_equals(fmt, msh);
+	}
+	else
+	{
+		u_subst_var_value("$OLDPWD", pwd, msh);
+		ft_memdel((void*)&pwd);
+		ft_memdel((void*)&tmp);
+	}
+}
+
+static void
+	b_fill_repath(char *repath[],
+				char *splited[])
+{
+	size_t	i;
+	size_t	j;
+
+	i = 0;
+	while (splited[i] != NULL)
+	{
+		if (ft_strncmp(splited[i], "..", 3) == 0)
+		{
+			j = ft_strlen(*repath);
+			while (*repath[j] != '/')
+				j--;
+			*repath[j] = '\0';
+		}
+		i++;
+	}
+}
+
+static void
 	b_upgrade_pwd(const char path[], t_msh *msh)
 {
 	char	**splited;
+	char	repath[262144];
+	t_bool	slash_first;
+
+	b_set_oldpwd(msh);
+	slash_first = FALSE;
+	if (path[0] == '/')
+		slash_first = TRUE;
+	if (slash_first == TRUE)
+		ft_memcpy(repath, "/", 2);
+	else 
+	{
+		/* msh->cwd; */
+	}
+	if ((splited = ft_split(path, '/')) == NULL)
+		f_fail_alloc_and_destroy(msh);
+	b_fill_repath((char**)&repath, splited);
+	ft_delwords(splited);
+	u_subst_var_value("$PWD", repath, msh);
+	ft_printf("[%s]\n", repath);
+}
+
+/* TODO: fix export OLDPWDQWE= */
+
+static void
+	b_old_upgrade_pwd(const char path[], t_msh *msh)
+{
+	char	**splited;
 	char	*rtmp;
 	char	repath[131072];
 	size_t	i;