From 8df9f97cdaba7bd846c42321f9c2618c9e0ea12d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 18 Nov 2016 09:49:31 -0800
Subject: Silence 'cast increases required alignment of target type' warnings

These warnings are emitted on some GCC versions when targeting ARM; the
alignment is guaranteed to be correct due to how page offsets are set up
but the compiler doesn't know.
---
 src/pugixml.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/pugixml.cpp b/src/pugixml.cpp
index 72cab1f..cac51a5 100644
--- a/src/pugixml.cpp
+++ b/src/pugixml.cpp
@@ -424,7 +424,8 @@ PUGI__NS_BEGIN
 	#define PUGI__GETPAGE_IMPL(header) (header).get_page()
 #else
 	#define PUGI__GETHEADER_IMPL(object, page, flags) (((reinterpret_cast<char*>(object) - reinterpret_cast<char*>(page)) << 8) | (flags))
-	#define PUGI__GETPAGE_IMPL(header) const_cast<impl::xml_memory_page*>(reinterpret_cast<const impl::xml_memory_page*>(reinterpret_cast<const char*>(&header) - (header >> 8)))
+	// this macro casts pointers through void* to avoid 'cast increases required alignment of target type' warnings
+	#define PUGI__GETPAGE_IMPL(header) static_cast<impl::xml_memory_page*>(const_cast<void*>(static_cast<const void*>(reinterpret_cast<const char*>(&header) - (header >> 8))))
 #endif
 
 	#define PUGI__GETPAGE(n) PUGI__GETPAGE_IMPL((n)->header)
-- 
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