From: Bart Van Assche <bvanassche@acm.org>
Date: Sun, 24 Feb 2008 18:26:46 +0000 (+0000)
Subject: Added vc_assign() function.
X-Git-Tag: svn/VALGRIND_3_4_0~1049
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c09c14062575288dcf7a24c4867e9e5648379e64;p=thirdparty%2Fvalgrind.git

Added vc_assign() function.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7443
---

diff --git a/exp-drd/drd_vc.c b/exp-drd/drd_vc.c
index 558595a64d..26c6e5ca37 100644
--- a/exp-drd/drd_vc.c
+++ b/exp-drd/drd_vc.c
@@ -58,15 +58,21 @@ void vc_cleanup(VectorClock* const vc)
   vc_reserve(vc, 0);
 }
 
-/**
- * Copy constructor -- initializes 'new'.
- */
+/** Copy constructor -- initializes *new. */
 void vc_copy(VectorClock* const new,
              const VectorClock* const rhs)
 {
   vc_init(new, rhs->vc, rhs->size);
 }
 
+/** Assignment operator -- *lhs is already a valid vector clock. */
+void vc_assign(VectorClock* const lhs,
+               const VectorClock* const rhs)
+{
+  vc_cleanup(lhs);
+  vc_copy(lhs, rhs);
+}
+
 void vc_increment(VectorClock* const vc, ThreadId const threadid)
 {
   unsigned i;
diff --git a/exp-drd/drd_vc.h b/exp-drd/drd_vc.h
index 2cbf3bd17f..6135ca97e0 100644
--- a/exp-drd/drd_vc.h
+++ b/exp-drd/drd_vc.h
@@ -67,6 +67,8 @@ void vc_init(VectorClock* const vc,
 void vc_cleanup(VectorClock* const vc);
 void vc_copy(VectorClock* const new,
              const VectorClock* const rhs);
+void vc_assign(VectorClock* const lhs,
+               const VectorClock* const rhs);
 void vc_increment(VectorClock* const vc, ThreadId const threadid);
 Bool vc_lte(const VectorClock* const vc1,
             const VectorClock* const vc2);