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authorTed Kremenek <kremenek@apple.com>2009-11-03 06:18:05 +0000
committerTed Kremenek <kremenek@apple.com>2009-11-03 06:18:05 +0000
commit3e27c01eb48c189723b263796d0dbe008b9c95c1 (patch)
tree5b4a8e9a4bf9bd44e436ee0effa18833fef8f866
parent4f64e5f03149200aaf553d7742966d78b717a32c (diff)
Fix buffer overflow in PrintMacroDefinition() by inverting the check to see if the target buffer needs to be resized. Fixes <rdar://problem/7255377>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85872 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Frontend/PrintPreprocessedOutput.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Frontend/PrintPreprocessedOutput.cpp b/lib/Frontend/PrintPreprocessedOutput.cpp
index f3cb20619e..630a093a4b 100644
--- a/lib/Frontend/PrintPreprocessedOutput.cpp
+++ b/lib/Frontend/PrintPreprocessedOutput.cpp
@@ -66,7 +66,7 @@ static void PrintMacroDefinition(const IdentifierInfo &II, const MacroInfo &MI,
OS << ' ';
// Make sure we have enough space in the spelling buffer.
- if (I->getLength() < SpellingBuffer.size())
+ if (I->getLength() > SpellingBuffer.size())
SpellingBuffer.resize(I->getLength());
const char *Buffer = SpellingBuffer.data();
unsigned SpellingLen = PP.getSpelling(*I, Buffer);