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| author | Dan Gohman <gohman@apple.com> | 2010-08-20 16:56:11 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-08-20 16:56:11 +0000 |
| commit | e7b67d0e94df497791207618194e1db545ac3721 (patch) | |
| tree | 1af157baed1b93965fe6eb0f7de7cbf214610e4f | |
| parent | 7a4575e26e58da743cf6c921aadd0d5499717a68 (diff) | |
| download | llvm-e7b67d0e94df497791207618194e1db545ac3721.tar.gz llvm-e7b67d0e94df497791207618194e1db545ac3721.tar.bz2 llvm-e7b67d0e94df497791207618194e1db545ac3721.tar.xz | |
Diagnose attempts to update standard output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111649 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | utils/FileUpdate/FileUpdate.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/utils/FileUpdate/FileUpdate.cpp b/utils/FileUpdate/FileUpdate.cpp index b97d9cf74e..8377aea79e 100644 --- a/utils/FileUpdate/FileUpdate.cpp +++ b/utils/FileUpdate/FileUpdate.cpp @@ -36,6 +36,11 @@ int main(int argc, char **argv) { PrettyStackTraceProgram X(argc, argv); cl::ParseCommandLineOptions(argc, argv); + if (OutputFilename == "-") { + errs() << argv[0] << ": error: Can't update standard output\n"; + return 1; + } + // Get the input data. std::string ErrorStr; MemoryBuffer *In = |