From: Po Lu <luangruo@yahoo.com>
Date: Fri, 14 Jan 2022 01:24:34 +0000 (+0000)
Subject: Fix out of bounds bitmap access on Haiku
X-Git-Tag: emacs-29.0.90~3085
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=4e1bf9bf48040370f4c70b1d1ca9535a98efe5f3;p=emacs.git

Fix out of bounds bitmap access on Haiku

* src/haiku_draw_support.cc (BView_DrawBitmapWithEraseOp): Fix
out of bounds access to bitmap data.
---

diff --git a/src/haiku_draw_support.cc b/src/haiku_draw_support.cc
index 5d355ac2058..270a619b89b 100644
--- a/src/haiku_draw_support.cc
+++ b/src/haiku_draw_support.cc
@@ -313,7 +313,7 @@ BView_DrawBitmapWithEraseOp (void *view, void *bitmap, int x,
       BRect bounds = bc.Bounds ();
       for (int y = 0; y < BE_RECT_HEIGHT (bounds); ++y)
 	{
-	  for (int x = 0; x <= BE_RECT_WIDTH (bounds); ++x)
+	  for (int x = 0; x < BE_RECT_WIDTH (bounds); ++x)
 	    {
 	      if (bits[y * (stride / 4) + x] == 0xFF000000)
 		bits[y * (stride / 4) + x] = RGB_COLOR_UINT32 (low_color);