From 58fdd042a19e6db2739755a03293f669cb4f2df9 Mon Sep 17 00:00:00 2001
From: Simon Howard
Date: Fri, 31 Aug 2007 08:59:34 +0000
Subject: Make SHORT and LONG macros return signed values; this is the
 behaviour of the versions in the original source and some code depends on it.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 962
---
 src/i_swap.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/i_swap.h b/src/i_swap.h
index d24f500e..065037a4 100644
--- a/src/i_swap.h
+++ b/src/i_swap.h
@@ -35,8 +35,11 @@
 
 // Just use SDL's endianness swapping functions.
 
-#define SHORT(x)  SDL_SwapLE16(x)
-#define LONG(x)   SDL_SwapLE32(x)
+// These are deliberately cast to signed values; this is the behaviour
+// of the macros in the original source and some code relies on it.
+
+#define SHORT(x)  ((signed short) SDL_SwapLE16(x))
+#define LONG(x)   ((signed long) SDL_SwapLE32(x))
 
 // Defines for checking the endianness of the system.
 
-- 
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