From 984febcd27bd2e552f281b6b82dae9c56ae0d893 Mon Sep 17 00:00:00 2001
From: Thorsten Otto <admin@tho-otto.de>
Date: Fri, 22 Mar 2024 12:38:46 +0100
Subject: [PATCH] Avoid unaligned access to Shape_Type->width

---
 common/getshape.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/common/getshape.cpp b/common/getshape.cpp
index 6d829924..5943e00b 100644
--- a/common/getshape.cpp
+++ b/common/getshape.cpp
@@ -194,7 +194,6 @@ int Extract_Shape_Count(void const* buffer)
  *=========================================================================*/
 void* Extract_Shape(void const* buffer, int shape)
 {
-    ShapeBlock_Type* block = (ShapeBlock_Type*)buffer;
     // PG	int numshapes;		// Number of shapes
     uint32_t offset; // Offset of shape data, from start of block
     char* bytebuf = (char*)buffer;
@@ -242,7 +241,9 @@ int Get_Shape_Width(void const* shape)
 {
     Shape_Type* shp = (Shape_Type*)shape;
 
-    return le16toh(shp->Width);
+    uint16_t width;
+    memcpy(&width, &shp->Width, sizeof(width));
+    return le16toh(width);
 
 } /* end of Get_Shape_Width */