[llvm] r228527 - Make UTF8->UTF16 conversion null terminate output on empty input.

[Zachary Turner]

Author: zturner
Date: Sun Feb  8 12:08:51 2015
New Revision: 228527

URL: http://llvm.org/viewvc/llvm-project?rev=228527&view=rev
Log:
Make UTF8->UTF16 conversion null terminate output on empty input.

Modified:
    llvm/trunk/lib/Support/ConvertUTFWrapper.cpp

Modified: llvm/trunk/lib/Support/ConvertUTFWrapper.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/ConvertUTFWrapper.cpp?rev=228527&r1=228526&r2=228527&view=diff
==============================================================================
--- llvm/trunk/lib/Support/ConvertUTFWrapper.cpp (original)
+++ llvm/trunk/lib/Support/ConvertUTFWrapper.cpp Sun Feb  8 12:08:51 2015
@@ -135,8 +135,11 @@ bool convertUTF8ToUTF16String(StringRef
   assert(DstUTF16.empty());
 
   // Avoid OOB by returning early on empty input.
-  if (SrcUTF8.empty())
+  if (SrcUTF8.empty()) {
+    DstUTF16.push_back(0);
+    DstUTF16.pop_back();
     return true;
+  }
 
   const UTF8 *Src = reinterpret_cast<const UTF8 *>(SrcUTF8.begin());
   const UTF8 *SrcEnd = reinterpret_cast<const UTF8 *>(SrcUTF8.end());