From: Ken Raeburn <raeburn@mit.edu>
Date: Thu, 7 Aug 2008 00:46:46 +0000 (+0000)
Subject: Use bitfields for class and construction type
X-Git-Tag: krb5-1.7-alpha1~517
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=1d6f2838f3ce45fc1dac399eb15dff1c409a10c1;p=krb5.git

Use bitfields for class and construction type

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@20628 dc483132-0cff-0310-8789-dd5450dbe970
---

diff --git a/src/lib/krb5/asn.1/asn1_get.h b/src/lib/krb5/asn.1/asn1_get.h
index 50a1b75ce..1b7801462 100644
--- a/src/lib/krb5/asn.1/asn1_get.h
+++ b/src/lib/krb5/asn.1/asn1_get.h
@@ -34,8 +34,15 @@
 #include "asn1buf.h"
 
 typedef struct {
+#if 1 /* Smaller run-time storage, and on x86 the compiler can use
+	 byte loads, stores, and compares, but on other platforms the
+	 compiler may need to load and widen before comparing... see
+	 how this works out. */
+    unsigned int asn1class : 8, construction : 8;
+#else
     asn1_class asn1class;
     asn1_construction construction;
+#endif
     asn1_tagnum tagnum;
     unsigned int length;
     int indef;