From 30c1563cb29c032b33714a4201c8358ac32aef33 Mon Sep 17 00:00:00 2001
From: Matthew Flatt <mflatt@racket-lang.org>
Date: Sun, 13 Jan 2008 18:58:15 +0000
Subject: [PATCH] fix macro parentheses in GC for ALIGN_DOUBLES

svn: r8315
---
 src/mzscheme/gc2/newgc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mzscheme/gc2/newgc.c b/src/mzscheme/gc2/newgc.c
index 5c92dce1db..37379ba8cb 100644
--- a/src/mzscheme/gc2/newgc.c
+++ b/src/mzscheme/gc2/newgc.c
@@ -442,8 +442,8 @@ static void *allocate_big(size_t sizeb, int type)
 }
 
 #ifdef ALIGN_DOUBLES
-# define ALIGN_SIZE(sizew) ((sizew & 0x1) ? (sizew + 1) : sizew)
-# define ALIGN_BYTES_SIZE(sizeb) ((sizeb & WORD_SIZE) ? (sizeb + WORD_SIZE) : sizeb)
+# define ALIGN_SIZE(sizew) (((sizew) & 0x1) ? ((sizew) + 1) : (sizew))
+# define ALIGN_BYTES_SIZE(sizeb) (((sizeb) & WORD_SIZE) ? ((sizeb) + WORD_SIZE) : (sizeb))
 #else
 # define ALIGN_SIZE(sizew) (sizew)
 # define ALIGN_BYTES_SIZE(sizeb) (sizeb)