From 3a35d4d28dd780ba89bad5a30a69de8963159154 Mon Sep 17 00:00:00 2001
From: "Darryl L. Miles" <darryl.miles@darrylmiles.org>
Date: Wed, 16 Oct 2024 10:21:53 +0100
Subject: [PATCH] grTOGL1.c: GrTOGLIconUpdate() potential -1 out-of-bound
 access

SonarCloud
Access of 'char' element in the region at index -1
This was not picked up, even though similar code was.
---
 graphics/grTOGL1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/graphics/grTOGL1.c b/graphics/grTOGL1.c
index 400878b8..c518bb55 100644
--- a/graphics/grTOGL1.c
+++ b/graphics/grTOGL1.c
@@ -1539,7 +1539,7 @@ GrTOGLIconUpdate(w,text)		/* See Blt code */
     XSetClassHint( grXdpy, wind, &class);
     if (text)
     {
-	if ((brack = strchr(text,'[')))
+	if ((brack = strchr(text,'[')) && brack != text)
 	{
 	    brack--;
 	    *brack = 0;