From 86377e19d315e04f5469a6090e7ea2f1ae5e8c4d Mon Sep 17 00:00:00 2001
From: Martin Peach <mrpeach@users.sourceforge.net>
Date: Sat, 20 Oct 2007 04:45:43 +0000
Subject: Modified OSC_writeFloatArg for strict aliasing

svn path=/trunk/externals/mrpeach/; revision=8850
---
 osc/packOSC.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'osc')

diff --git a/osc/packOSC.c b/osc/packOSC.c
index 0849769..3b66782 100755
--- a/osc/packOSC.c
+++ b/osc/packOSC.c
@@ -1119,15 +1119,21 @@ static int CheckTypeTag(OSCbuf *buf, char expectedType)
 
 static int OSC_writeFloatArg(OSCbuf *buf, float arg)
 {
-    int4byte *intp;
+    union intfloat32
+    {
+        int     i;
+        float   f;
+    };
+    union intfloat32 if32;
 
     if(OSC_CheckOverflow(buf, 4))return 1;
 
     if (CheckTypeTag(buf, 'f')) return 9;
 
     /* Pretend arg is a long int so we can use htonl() */
-    intp = ((int4byte *) &arg);
-    *((int4byte *) buf->bufptr) = htonl(*intp);
+    if32.f = arg;
+
+    *((int4byte *) buf->bufptr) = htonl(if32.i);
 
     buf->bufptr += 4;
 
-- 
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