From: Alexander Kornienko <alexfh@google.com>
Date: Mon, 20 May 2013 15:18:01 +0000 (+0000)
Subject: Minor fix: don't crash on empty configuration file, consider empty configuration... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=107db3c21133b71962bd8826c16d24652d6042a1;p=clang

Minor fix: don't crash on empty configuration file, consider empty configuration files invalid.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@182290 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Format/Format.cpp b/lib/Format/Format.cpp
index 64a988df31..9be917c799 100644
--- a/lib/Format/Format.cpp
+++ b/lib/Format/Format.cpp
@@ -201,6 +201,8 @@ bool getPredefinedStyle(StringRef Name, FormatStyle *Style) {
 }
 
 llvm::error_code parseConfiguration(StringRef Text, FormatStyle *Style) {
+  if (Text.trim().empty())
+    return llvm::make_error_code(llvm::errc::invalid_argument);
   llvm::yaml::Input Input(Text);
   Input >> *Style;
   return Input.error();