Calculate size of buffer instead of using a magic value.

Patch by Matthew Davis!

Differential Revision: https://reviews.llvm.org/D41421

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321757 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Frontend/PrintPreprocessedOutput.cpp b/lib/Frontend/PrintPreprocessedOutput.cpp
index 2e023294f1e8e8a43fe6cf57cf81d34984d64c22..36ecdada0c8b5050ac0a98360eecd21d471fdcfd 100644 (file)
--- a/lib/Frontend/PrintPreprocessedOutput.cpp
+++ b/lib/Frontend/PrintPreprocessedOutput.cpp
@@ -752,7 +752,7 @@ static void PrintPreprocessedTokens(Preprocessor &PP, Token &Tok,
     } else if (Tok.isLiteral() && !Tok.needsCleaning() &&
                Tok.getLiteralData()) {
       OS.write(Tok.getLiteralData(), Tok.getLength());
-    } else if (Tok.getLength() < 256) {
+    } else if (Tok.getLength() < llvm::array_lengthof(Buffer)) {
       const char *TokPtr = Buffer;
       unsigned Len = PP.getSpelling(Tok, TokPtr);
       OS.write(TokPtr, Len);