From 3b9f725654833ed39d7329fe1446842424768bdc Mon Sep 17 00:00:00 2001
From: cloudwalk <cloudwalk@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sun, 9 May 2021 04:45:06 +0000
Subject: [PATCH] Optimize FS_FileExtension

(cherry picked from commit f7c1ec5c94e7356ac7ab9061c3c1f6fac6010336)

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@13131 d7cf8633-e32d-0410-b094-e92efae38249
---
 fs.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs.c b/fs.c
index a925ff31..c4ecfe28 100644
--- a/fs.c
+++ b/fs.c
@@ -1329,6 +1329,10 @@ const char *FS_FileExtension (const char *in)
 {
 	const char *separator, *backslash, *colon, *dot;
 
+	dot = strrchr(in, '.');
+	if (dot == NULL)
+		return "";
+
 	separator = strrchr(in, '/');
 	backslash = strrchr(in, '\\');
 	if (!separator || separator < backslash)
@@ -1337,8 +1341,7 @@ const char *FS_FileExtension (const char *in)
 	if (!separator || separator < colon)
 		separator = colon;
 
-	dot = strrchr(in, '.');
-	if (dot == NULL || (separator && (dot < separator)))
+	if (separator && (dot < separator))
 		return "";
 
 	return dot + 1;
-- 
2.39.2