[cfe-commits] r56242 - /cfe/trunk/lib/Rewrite/RewriteRope.cpp

[Zhongxing Xu]

Author: zhongxingxu
Date: Tue Sep 16 02:58:21 2008
New Revision: 56242

URL: http://llvm.org/viewvc/llvm-project?rev=56242&view=rev
Log:
Fixed an offset calculation error.

Modified:
    cfe/trunk/lib/Rewrite/RewriteRope.cpp

Modified: cfe/trunk/lib/Rewrite/RewriteRope.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/RewriteRope.cpp?rev=56242&r1=56241&r2=56242&view=diff

==============================================================================
--- cfe/trunk/lib/Rewrite/RewriteRope.cpp (original)
+++ cfe/trunk/lib/Rewrite/RewriteRope.cpp Tue Sep 16 02:58:21 2008
@@ -792,7 +792,7 @@
   if (AllocBuffer && --AllocBuffer->RefCount == 0)
     delete [] (char*)AllocBuffer;
   
-  unsigned AllocSize = sizeof(RopeRefCountString)-1+AllocChunkSize;
+  unsigned AllocSize = offsetof(RopeRefCountString, Data) + AllocChunkSize;
   AllocBuffer = reinterpret_cast<RopeRefCountString *>(new char[AllocSize]);
   AllocBuffer->RefCount = 0;
   memcpy(AllocBuffer->Data, Start, Len);