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Diffstat (limited to 'src')
-rw-r--r-- | src/google/protobuf/compiler/command_line_interface.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/command_line_interface.cc b/src/google/protobuf/compiler/command_line_interface.cc index 7fcd0083..df03907d 100644 --- a/src/google/protobuf/compiler/command_line_interface.cc +++ b/src/google/protobuf/compiler/command_line_interface.cc @@ -1012,6 +1012,12 @@ CommandLineInterface::ParseArguments(int argc, const char* const argv[]) { arguments.push_back(argv[i]); } + // if no arguments are given, show help + if(arguments.empty()) { + PrintHelpText(); + return PARSE_ARGUMENT_DONE_AND_EXIT; // Exit without running compiler. + } + // Iterate through all arguments and parse them. for (int i = 0; i < arguments.size(); ++i) { string name, value; |