From 1ec7baa32438f58990f813e8659b52d3bb8aa743 Mon Sep 17 00:00:00 2001
From: JozanLeClerc <bousset.rudy@gmail.com>
Date: Wed, 5 Aug 2020 19:59:43 +0200
Subject: Fixed $PWD at startup

---
 src/s_init.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'src/s_init.c')

diff --git a/src/s_init.c b/src/s_init.c
index 54be62f..1dbbbb7 100644
--- a/src/s_init.c
+++ b/src/s_init.c
@@ -14,7 +14,11 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <limits.h>
+#include <dirent.h>
+#include <errno.h>
 
+#include "b_export_next.h"
 #include "d_define.h"
 #include "m_funptr.h"
 #include "s_init.h"
@@ -73,6 +77,33 @@ static void
 	ft_memdel((void*)&str_two);
 }
 
+static char
+	*set_cwd(t_msh *msh)
+{
+	char	*cwd;
+	char	fmt[PATH_MAX];
+	DIR		*dir;
+
+	if ((cwd = u_get_var_value("$PWD", msh)) == NULL)
+	{
+		cwd = getcwd(NULL, 0);
+		ft_sprintf(fmt, "%s=%s", "PWD", cwd);
+		b_export_with_equals(fmt, msh);
+		return (cwd);
+	}
+	if ((dir = opendir(cwd)) != 0)
+		closedir(dir);
+	else if (errno == ENOENT)
+	{
+		ft_memdel((void*)&cwd);
+		cwd = getcwd(NULL, 0);
+		ft_sprintf(fmt, "%s=%s", "PWD", cwd);
+		b_export_with_equals(fmt, msh);
+		return (cwd);
+	}
+	return (cwd);
+}
+
 t_msh
 	*init_msh(char *const argv[],
 			char *const envp[])
@@ -93,6 +124,7 @@ t_msh
 	init_buptr(msh);
 	msh->curr = NULL;
 	msh->vars = NULL;
+	msh->cwd = set_cwd(msh);
 	inc_shlvl(msh);
 	return (msh);
 }
-- 
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