X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FSupport%2FStringRefMemoryObject.cpp;h=e035ed1d2ef31fd69a85b3e454a0647eafdca46f;hb=be63d589633bbfa068b923c60eaaeee1b27647c5;hp=5db11e918cd634d1e2ab7d319952f11d55230f9c;hpb=ef99356dfebb96f6f90efb912c2877214bad060e;p=oota-llvm.git

diff --git a/lib/Support/StringRefMemoryObject.cpp b/lib/Support/StringRefMemoryObject.cpp
index 5db11e918cd..e035ed1d2ef 100644
--- a/lib/Support/StringRefMemoryObject.cpp
+++ b/lib/Support/StringRefMemoryObject.cpp
@@ -20,15 +20,10 @@ int StringRefMemoryObject::readByte(uint64_t Addr, uint8_t *Byte) const {
 
 int StringRefMemoryObject::readBytes(uint64_t Addr,
                                      uint64_t Size,
-                                     uint8_t *Buf,
-                                     uint64_t *Copied) const {
-  if (Addr >= Base + getExtent() || Addr < Base)
-    return -1;
+                                     uint8_t *Buf) const {
   uint64_t Offset = Addr - Base;
-  if (Size > getExtent() - Offset)
-    Size = getExtent() - Offset;
+  if (Addr >= Base + getExtent() || Offset + Size > getExtent() || Addr < Base)
+    return -1;
   memcpy(Buf, Bytes.data() + Offset, Size);
-  if (Copied)
-    *Copied = Size;
   return 0;
 }