crtlib: fix undefined behaviour when stripping extenstion from empty string

2021-02-14 21:33:41 +00:00 · 2021-02-14 21:33:41 +00:00 · 5884cf88d3
parent d2157fa28c
commit 5884cf88d3
1 changed files with 5 additions and 1 deletions
--- a/public/crtlib.c
+++ b/public/crtlib.c
@ -858,7 +858,11 @@ void COM_StripExtension( char *path )
 {
 	size_t	length;

-	length = Q_strlen( path ) - 1;
+	length = Q_strlen( path );
+
+	if( length > 0 )
+		length--;
+
 	while( length > 0 && path[length] != '.' )
 	{
 		length--;