Function main

benchmarks/benchmarks.cpp:1778–2126

int main(int argc, char** argv)
{
	// Disable buffering (so that when run in, e.g., Sublime Text, the output appears as it is written)
	std::setvbuf(stdout, nullptr, _IONBF, 0);
	
	// Isolate the executable name
	std::string progName = argv[0];
	auto slash = progName.find_last_of("/\\");
	if (slash != std::string::npos) {
		progName = progName.substr(slash + 1);
	}
	
	std::map<std::string, benchmark_type_t> benchmarkMap;
	for (int i = 0; i != BENCHMARK_TYPE_COUNT; ++i) {
		benchmarkMap.insert(std::make_pair(std::string(BENCHMARK_SHORT_NAMES[i]), (benchmark_type_t)i));
	}
	std::vector<benchmark_type_t> selectedBenchmarks;
	
	bool showHelp = false;
	bool error = false;
	bool printedBenchmarks = false;
	for (int i = 1; i < argc; ++i) {
		if (std::strcmp(argv[i], "-h") == 0 || std::strcmp(argv[i], "--help") == 0) {
			showHelp = true;
		}
		else if (std::strcmp(argv[i], "-p") == 0 || std::strcmp(argv[i], "--precise") == 0) {
			precise = true;
		}
		else if (std::strcmp(argv[i], "--run") == 0) {
			if (i + 1 == argc || argv[i + 1][0] == '-') {
				std::printf("Expected benchmark name argument for --run option.\n");
				if (!printedBenchmarks) {
					printBenchmarkNames();
					printedBenchmarks = true;
				}
				error = true;
				continue;
			}
			
			auto it = benchmarkMap.find(argv[++i]);
			if (it == benchmarkMap.end()) {
				std::printf("Unrecognized benchmark name '%s'.\n", argv[i]);
				if (!printedBenchmarks) {
					printBenchmarkNames();
					printedBenchmarks = true;
				}
				error = true;
				continue;
			}
			
			selectedBenchmarks.push_back(it->second);
		}
		else {
			std::printf("Unrecognized option '%s'\n", argv[i]);
			error = true;
		}
	}
	if (showHelp || error) {