r236592 - clang-format: Don't allow -i when reading from stdin.

[Daniel Jasper]

Author: djasper
Date: Wed May  6 06:56:54 2015
New Revision: 236592

URL: http://llvm.org/viewvc/llvm-project?rev=236592&view=rev
Log:
clang-format: Don't allow -i when reading from stdin.

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

Modified: cfe/trunk/tools/clang-format/ClangFormat.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-format/ClangFormat.cpp?rev=236592&r1=236591&r2=236592&view=diff
==============================================================================
--- cfe/trunk/tools/clang-format/ClangFormat.cpp (original)
+++ cfe/trunk/tools/clang-format/ClangFormat.cpp Wed May  6 06:56:54 2015
@@ -247,7 +247,9 @@ static bool format(StringRef FileName) {
     Rewriter Rewrite(Sources, LangOptions());
     tooling::applyAllReplacements(Replaces, Rewrite);
     if (Inplace) {
-      if (Rewrite.overwriteChangedFiles())
+      if (FileName == "-")
+        llvm::errs() << "error: cannot use -i when reading from stdin.\n";
+      else if (Rewrite.overwriteChangedFiles())
         return true;
     } else {
       if (Cursor.getNumOccurrences() != 0)