Function parse_arguments

options.c:1361–2527

* Process command line arguments. Called on both local and remote. * * @retval 1 if all options are OK; with globals set to appropriate * values * * @retval 0 on error, with err_buf containing an explanation **/

 * @retval 0 on error, with err_buf containing an explanation
 **/
int parse_arguments(int *argc_p, const char ***argv_p)
{
	poptContext pc;
	const char *arg, **argv = *argv_p;
	int argc = *argc_p;
	int opt, want_dest_type;
	int orig_protect_args = protect_args;

	if (argc == 0) {
		strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
		return 0;
	}

	set_refuse_options();

#ifdef ICONV_OPTION
	if (!am_daemon && protect_args <= 0 && (arg = getenv("RSYNC_ICONV")) != NULL && *arg)
		iconv_opt = strdup(arg);
#endif

	/* TODO: Call poptReadDefaultConfig; handle errors. */

	pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
	if (pc == NULL) {
		strlcpy(err_buf, "poptGetContext returned NULL\n", sizeof err_buf);
		return 0;
	}
	if (!am_server) {
		poptReadDefaultConfig(pc, 0);
		popt_unalias(pc, "--daemon");
		popt_unalias(pc, "--server");
	}

	while ((opt = poptGetNextOpt(pc)) != -1) {
		/* most options are handled automatically by popt;
		 * only special cases are returned and listed here. */

		switch (opt) {
		case 'V':
			version_opt_cnt++;
			break;

		case OPT_SERVER:
			if (!am_server) {
				/* Disable popt aliases on the server side and
				 * then start parsing the options again. */
				poptFreeContext(pc);
				pc = poptGetContext(RSYNC_NAME, argc, argv, long_options, 0);
				am_server = 1;
			}
#ifdef ICONV_OPTION
			iconv_opt = NULL;
#endif
			break;

		case OPT_SENDER:
			if (!am_server) {
				usage(FERROR);