From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Wed, 16 Sep 2009 13:10:04 +0000 (+0000)
Subject: PR4991: Properly remove trailing newline from __TIMESTAMP__.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=37473829cb2308af5b268a2d58bf3d7fa2056610;p=clang

PR4991: Properly remove trailing newline from __TIMESTAMP__.
Replace strcpy with memcpy while at it.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82043 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index 47056fc380..7ddf215020 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -622,9 +622,9 @@ void Preprocessor::ExpandBuiltinMacro(Token &Tok) {
       Result = "??? ??? ?? ??:??:?? ????\n";
     }
     TmpBuffer[0] = '"';
-    strcpy(TmpBuffer+1, Result);
-    unsigned Len = strlen(TmpBuffer);
-    TmpBuffer[Len] = '"';  // Replace the newline with a quote.
+    unsigned Len = strlen(Result);
+    memcpy(TmpBuffer+1, Result, Len-1); // Copy string without the newline.
+    TmpBuffer[Len] = '"';
     Tok.setKind(tok::string_literal);
     CreateString(TmpBuffer, Len+1, Tok, Tok.getLocation());
   } else if (II == Ident__COUNTER__) {