From 148779df305667b6942fee7e758fdf81a6498f38 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 3 May 2017 20:26:11 +0000
Subject: Vendor import of llvm trunk r302069:
 https://llvm.org/svn/llvm-project/llvm/trunk@302069

---
 lib/Support/DataExtractor.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

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

diff --git a/lib/Support/DataExtractor.cpp b/lib/Support/DataExtractor.cpp
index 5d6d60a87fbf..53c10bcc562e 100644
--- a/lib/Support/DataExtractor.cpp
+++ b/lib/Support/DataExtractor.cpp
@@ -128,6 +128,16 @@ const char *DataExtractor::getCStr(uint32_t *offset_ptr) const {
   return nullptr;
 }
 
+StringRef DataExtractor::getCStrRef(uint32_t *OffsetPtr) const {
+  uint32_t Start = *OffsetPtr;
+  StringRef::size_type Pos = Data.find('\0', Start);
+  if (Pos != StringRef::npos) {
+    *OffsetPtr = Pos + 1;
+    return StringRef(Data.data() + Start, Pos - Start);
+  }
+  return StringRef();
+}
+
 uint64_t DataExtractor::getULEB128(uint32_t *offset_ptr) const {
   uint64_t result = 0;
   if (Data.empty())
-- 
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