phonebook: exit with appropriate code.
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					@ -138,6 +138,7 @@ usage(ostream &os, int exc)
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int
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					int
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main(int argc, char *argv[])
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					main(int argc, char *argv[])
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{
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					{
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						int retc = 1;
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	bool help = false;
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						bool help = false;
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	std::string fileName(pbFile);
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						std::string fileName(pbFile);
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					@ -190,18 +191,24 @@ main(int argc, char *argv[])
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	switch (result) {
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						switch (result) {
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	case Subcommand::Status::OK:
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						case Subcommand::Status::OK:
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		std::cout << "[+] OK\n";
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							std::cout << "[+] OK\n";
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							retc = 0;
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		break;
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							break;
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	case Subcommand::Status::NotEnoughArgs:
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						case Subcommand::Status::NotEnoughArgs:
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							delete flags;
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		usage(cerr, 1);
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							usage(cerr, 1);
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		break;
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							break;
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	case Subcommand::Status::Failed:
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						case Subcommand::Status::Failed:
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		cerr << "[!] '"<< command << "' failed\n";
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							cerr << "[!] '"<< command << "' failed\n";
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		break;
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							break;
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	case Subcommand::Status::CommandNotRegistered:
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						case Subcommand::Status::CommandNotRegistered:
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							delete flags;
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		cerr << "[!] '" << command << "' not registered.\n";
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							cerr << "[!] '" << command << "' not registered.\n";
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		usage(cerr, 1);
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							usage(cerr, 1);
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		break;
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							break;
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	default:
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						default:
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							delete flags;
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		abort();
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							abort();
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	}
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						}
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						return retc;
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}
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					}
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