From 4fdc1f8e2d51fc1932e291d66fca40d3a2d65978 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Mon, 24 Aug 2009 04:43:38 +0000
Subject: [PATCH] Correctly account for the Spaces array nul terminator. Thanks
 Chris!

llvm-svn: 79894
---
 lib/Support/raw_ostream.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp
index 64d920503dc..230d9a81340 100644
--- a/lib/Support/raw_ostream.cpp
+++ b/lib/Support/raw_ostream.cpp
@@ -304,11 +304,12 @@ raw_ostream &raw_ostream::indent(unsigned NumSpaces) {
                                "                ";
 
   // Usually the indentation is small, handle it with a fastpath.
-  if (NumSpaces <= array_lengthof(Spaces))
+  if (NumSpaces < array_lengthof(Spaces))
     return write(Spaces, NumSpaces);
   
   while (NumSpaces) {
-    unsigned NumToWrite = std::min(NumSpaces, (unsigned)array_lengthof(Spaces));
+    unsigned NumToWrite = std::min(NumSpaces,
+                                   (unsigned)array_lengthof(Spaces)-1);
     write(Spaces, NumToWrite);
     NumSpaces -= NumToWrite;
   }