From 183d261b116decd6ab09a7d1a522a9ad4add47b4 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 30 Nov 2010 08:39:16 -0500
Subject: [PATCH] Fix find_* argument parsing crash (#11513)

Previously the command

  find_path(VAR DOC "")

would crash because the argument pre-processing removed the DOC ""
arguments but the rest of the parsing assumes at least 2 arguments.
Reject the call with an error instead.
---
 Source/cmFindBase.cxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Source/cmFindBase.cxx b/Source/cmFindBase.cxx
index 041653896..d0fe99f24 100644
--- a/Source/cmFindBase.cxx
+++ b/Source/cmFindBase.cxx
@@ -164,6 +164,11 @@ bool cmFindBase::ParseArguments(std::vector<std::string> const& argsIn)
         }
       }
     }
+  if(args.size() < 2 )
+    {
+    this->SetError("called with incorrect number of arguments");
+    return false;
+    }
   this->VariableName = args[0];
   if(this->CheckForVariableInCache())
     {