[clang-tools-extra] r173919 - Don't touch unchanged file for in-place edit.

Daniel Jasper djasper at google.com
Wed Jan 30 01:52:38 PST 2013


Author: djasper
Date: Wed Jan 30 03:52:38 2013
New Revision: 173919

URL: http://llvm.org/viewvc/llvm-project?rev=173919&view=rev
Log:
Don't touch unchanged file for in-place edit.

This fixes llvm.org/PR15087.

Modified:
    clang-tools-extra/trunk/clang-format/ClangFormat.cpp

Modified: clang-tools-extra/trunk/clang-format/ClangFormat.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-format/ClangFormat.cpp?rev=173919&r1=173918&r2=173919&view=diff
==============================================================================
--- clang-tools-extra/trunk/clang-format/ClangFormat.cpp (original)
+++ clang-tools-extra/trunk/clang-format/ClangFormat.cpp Wed Jan 30 03:52:38 2013
@@ -97,6 +97,9 @@ static void format() {
   Rewriter Rewrite(Sources, LangOptions());
   tooling::applyAllReplacements(Replaces, Rewrite);
   if (Inplace) {
+    if (Replaces.size() == 0)
+      return; // Nothing changed, don't touch the file.
+
     std::string ErrorInfo;
     llvm::raw_fd_ostream FileStream(FileName.c_str(), ErrorInfo,
                                     llvm::raw_fd_ostream::F_Binary);





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