From 095737413fe59e5220d220c5aaef3c83a20ff794 Mon Sep 17 00:00:00 2001
From: Daniel Jasper <djasper@google.com>
Date: Wed, 3 Jul 2013 12:22:18 +0000
Subject: Prevent error message when formatting an empty file.

This fixes llvm.org/PR16514.

llvm-svn: 185531
---
 clang/tools/clang-format/ClangFormat.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'clang/tools/clang-format/ClangFormat.cpp')

diff --git a/clang/tools/clang-format/ClangFormat.cpp b/clang/tools/clang-format/ClangFormat.cpp
index 33b7be9f1ea..2aa43259ed9 100644
--- a/clang/tools/clang-format/ClangFormat.cpp
+++ b/clang/tools/clang-format/ClangFormat.cpp
@@ -162,6 +162,8 @@ static bool format(std::string FileName) {
     llvm::errs() << ec.message() << "\n";
     return true;
   }
+  if (Code->getBufferSize() == 0)
+    return true; // Empty files are formatted correctly.
   FileID ID = createInMemoryFile(FileName, Code.get(), Sources, Files);
   if (Offsets.empty())
     Offsets.push_back(0);
-- 
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