From f382538d471e38a9b98f016c4caebd24c8d60b62 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Thu, 1 Jun 2017 20:58:36 +0000
Subject: Vendor import of llvm trunk r304460:
 https://llvm.org/svn/llvm-project/llvm/trunk@304460

---
 lib/Support/BinaryStreamReader.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'lib/Support/BinaryStreamReader.cpp')

diff --git a/lib/Support/BinaryStreamReader.cpp b/lib/Support/BinaryStreamReader.cpp
index 862232971162c..bfb658cfa0b74 100644
--- a/lib/Support/BinaryStreamReader.cpp
+++ b/lib/Support/BinaryStreamReader.cpp
@@ -69,6 +69,26 @@ Error BinaryStreamReader::readCString(StringRef &Dest) {
   return Error::success();
 }
 
+Error BinaryStreamReader::readWideString(ArrayRef<UTF16> &Dest) {
+  uint32_t Length = 0;
+  uint32_t OriginalOffset = getOffset();
+  const UTF16 *C;
+  while (true) {
+    if (auto EC = readObject(C))
+      return EC;
+    if (*C == 0x0000)
+      break;
+    ++Length;
+  }
+  uint32_t NewOffset = getOffset();
+  setOffset(OriginalOffset);
+
+  if (auto EC = readArray(Dest, Length))
+    return EC;
+  setOffset(NewOffset);
+  return Error::success();
+}
+
 Error BinaryStreamReader::readFixedString(StringRef &Dest, uint32_t Length) {
   ArrayRef<uint8_t> Bytes;
   if (auto EC = readBytes(Bytes, Length))
-- 
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