From 2f26fcdc2a68e316e9a09e8d716990fea6d92138 Mon Sep 17 00:00:00 2001
From: Alibek Omarov <a1ba.omarov@gmail.com>
Date: Tue, 30 Jul 2024 14:22:08 +0300
Subject: [PATCH] public: disallow backslashes in COM_PathSlashFix

---
 public/crtlib.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/public/crtlib.c b/public/crtlib.c
index ca111d34..d9df3d68 100644
--- a/public/crtlib.c
+++ b/public/crtlib.c
@@ -686,15 +686,19 @@ void COM_FixSlashes( char *pname )
 /*
 ============
 COM_PathSlashFix
+
+ensure directory path always ends on forward slash
 ============
 */
 void COM_PathSlashFix( char *path )
 {
-	size_t	len;
+	size_t len = Q_strlen( path );
 
-	len = Q_strlen( path );
-
-	if( path[len - 1] != '\\' && path[len - 1] != '/' )
+	if( path[len - 1] == '\\' )
+	{
+		path[len - 1] = '/';
+	}
+	else if( path[len - 1] != '/' )
 	{
 		path[len] = '/';
 		path[len + 1] = '\0';