clang-format: Don't allow -i when reading from stdin.
git-svn-id: svn://svn.chromium.org/llvm-project/cfe/trunk/tools/clang-format@236592 0b72dbe1-c17f-4bc7-b9db-2b4152be0356
diff --git a/ClangFormat.cpp b/ClangFormat.cpp
index f611f70..fe7d678 100644
--- a/ClangFormat.cpp
+++ b/ClangFormat.cpp
@@ -247,7 +247,9 @@
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)