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Merge pull request #3117 from KarrokDC/master

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Show help if protoc is called without any arguments
This commit is contained in:
Feng Xiao 2017-05-23 13:39:56 -07:00 • committed by GitHub
commit c5125f371d
1 changed files with 6 additions and 0 deletions
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6
src/google/protobuf/compiler/command_line_interface.cc
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@ -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;