Function RunShell

tools/shell/shell.cpp:3075–3284

}

int RunShell(int argc, const char **argv) {
	int rc = 0;
	vector<string> extra_commands;

	auto &data = ShellState::Get();
	data.out = stdout;

	setBinaryMode(stdin, 0);
	setvbuf(stderr, 0, _IONBF, 0); /* Make sure stderr is unbuffered */
	data.stdin_is_interactive = isatty(0);
	data.stdout_is_console = isatty(1);
	data.stderr_is_console = isatty(2);

	data.Initialize();

	/* On Windows, we must translate command-line arguments into UTF-8.
	 */

	assert(argc >= 1 && argv && argv[0]);
	data.program_name = argv[0];

	/* Make sure we have a valid signal handler early, before anything
	** else is done.
	*/
#ifdef SIGINT
	signal(SIGINT, InterruptHandler);
#elif (defined(_WIN32) || defined(WIN32)) && !defined(_WIN32_WCE)
	SetConsoleCtrlHandler(ConsoleCtrlHandler, TRUE);
#endif

	/* Do an initial pass through the command-line argument to locate
	** the name of the database file, the name of the initialization file,
	** the size of the alternative malloc heap,
	** and the first command to execute.
	*/
	vector<CommandLineCall> command_line_calls;
	for (int i = 1; i < argc; i++) {
		auto z = argv[i];
		if (z[0] != '-') {
			if (data.zDbFilename.empty()) {
				data.zDbFilename = z;
			} else {
				/* Excesss arguments are interpreted as SQL (or dot-commands) and
				** mean that nothing is read from stdin */
				data.readStdin = false;
				data.stdin_is_interactive = false;
				extra_commands.emplace_back(z);
			}
			continue;
		}
		z++;
		if (z[0] == '-') {
			// allow for double dashes, i.e. --init and -init are both valid
			z++;
		}

		string error_msg;
		auto command_line_option = data.FindCommandLineOption(z, error_msg);