diff options
| author | Feng Xiao <xfxyjwf@gmail.com> | 2017-05-23 13:39:56 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-05-23 13:39:56 -0700 |
| commit | c5125f371d3335e62f0270b0fad50d7eaaf8563b (patch) | |
| tree | b888832145a3c325b15b02e7905293931fcf810e | |
| parent | d2c18653743746b5d583f295b084a7fa0ef74e84 (diff) | |
| parent | 3b227611d5c5b216fd323908b0c6c4af19777a52 (diff) | |
| download | protobuf-c5125f371d3335e62f0270b0fad50d7eaaf8563b.tar.gz protobuf-c5125f371d3335e62f0270b0fad50d7eaaf8563b.tar.bz2 protobuf-c5125f371d3335e62f0270b0fad50d7eaaf8563b.zip | |
Merge pull request #3117 from KarrokDC/master
Show help if protoc is called without any arguments
| -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; |