From f5275a833929e4a3a55246fa960daa76db719ef7 Mon Sep 17 00:00:00 2001 From: Douglas Gregor Date: Sat, 24 Jul 2010 00:42:07 +0000 Subject: Put a newline at the end of the padded buffers used for the precompiled preamble. This will suppress the -pedantic "no newline at end of file" warning. llvm-svn: 109301 --- clang/lib/Frontend/ASTUnit.cpp | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'clang/lib/Frontend/ASTUnit.cpp') diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp index 2168798eb7c..fa464f20658 100644 --- a/clang/lib/Frontend/ASTUnit.cpp +++ b/clang/lib/Frontend/ASTUnit.cpp @@ -513,7 +513,8 @@ static llvm::MemoryBuffer *CreatePaddedMainFileBuffer(llvm::MemoryBuffer *Old, memcpy(const_cast(Result->getBufferStart()), Old->getBufferStart(), Old->getBufferSize()); memset(const_cast(Result->getBufferStart()) + Old->getBufferSize(), - ' ', NewSize - Old->getBufferSize() - 1); + ' ', NewSize - Old->getBufferSize() - 2); + const_cast(Result->getBufferEnd())[-2] = '\n'; const_cast(Result->getBufferEnd())[-1] = 0; if (DeleteOld) @@ -565,7 +566,7 @@ llvm::MemoryBuffer *ASTUnit::BuildPrecompiledPreamble() { // the main-file buffer within the precompiled preamble to fit the // new main file. if (Preamble.size() == NewPreamble.second && - NewPreamble.first->getBufferSize() < PreambleReservedSize && + NewPreamble.first->getBufferSize() < PreambleReservedSize-2 && memcmp(&Preamble[0], NewPreamble.first->getBufferStart(), NewPreamble.second) == 0) { // The preamble has not changed. We may be able to re-use the precompiled @@ -603,9 +604,10 @@ llvm::MemoryBuffer *ASTUnit::BuildPrecompiledPreamble() { memcpy(const_cast(PreambleBuffer->getBufferStart()), NewPreamble.first->getBufferStart(), Preamble.size()); memset(const_cast(PreambleBuffer->getBufferStart()) + Preamble.size(), - ' ', PreambleReservedSize - Preamble.size() - 1); + ' ', PreambleReservedSize - Preamble.size() - 2); const_cast(PreambleBuffer->getBufferEnd())[-1] = 0; - + const_cast(PreambleBuffer->getBufferEnd())[-2] = '\n'; + // Save the preamble text for later; we'll need to compare against it for // subsequent reparses. Preamble.assign(NewPreamble.first->getBufferStart(), -- cgit v1.2.3