9 static int opterror(const struct option *opt, const char *reason, int flags)  in opterror()  argument
11 	if (flags & OPT_SHORT)  in opterror()
13 	if (flags & OPT_UNSET)  in opterror()
19 		   int flags, const char **arg)  in get_arg()  argument
24 	} else if ((opt->flags & PARSE_OPT_LASTARG_DEFAULT) && (p->argc == 1 ||  in get_arg()
31 		return opterror(opt, "requires a value", flags);  in get_arg()
36 		     const struct option *opt, int flags)  in get_value()  argument
39 	const int unset = flags & OPT_UNSET;  in get_value()
43 		return opterror(opt, "takes no value", flags);  in get_value()
44 	if (unset && (opt->flags & PARSE_OPT_NONEG))  in get_value()
45 		return opterror(opt, "isn't available", flags);  in get_value()
46 	if (opt->flags & PARSE_OPT_DISABLED)  in get_value()
47 		return opterror(opt, "is not usable", flags);  in get_value()
49 	if (opt->flags & PARSE_OPT_EXCLUSIVE) {  in get_value()
53 			if (((flags & OPT_SHORT) && p->excl_opt->short_name) ||  in get_value()
61 			opterror(opt, msg, flags);  in get_value()
66 	if (!(flags & OPT_SHORT) && p->opt) {  in get_value()
69 			if (!(opt->flags & PARSE_OPT_NOARG))  in get_value()
77 			return opterror(opt, "takes no value", flags);  in get_value()
121 		else if (opt->flags & PARSE_OPT_OPTARG && !p->opt)  in get_value()
124 			err = get_arg(p, opt, flags, (const char **)opt->value);  in get_value()
127 		if (opt->flags & PARSE_OPT_NOEMPTY) {  in get_value()
145 		if (opt->flags & PARSE_OPT_NOARG)  in get_value()
147 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt)  in get_value()
149 		if (get_arg(p, opt, flags, &arg))  in get_value()
158 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {  in get_value()
162 		if (get_arg(p, opt, flags, &arg))  in get_value()
166 			return opterror(opt, "expects a numerical value", flags);  in get_value()
174 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {  in get_value()
178 		if (get_arg(p, opt, flags, &arg))  in get_value()
182 			return opterror(opt, "expects a numerical value", flags);  in get_value()
190 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {  in get_value()
194 		if (get_arg(p, opt, flags, &arg))  in get_value()
198 			return opterror(opt, "expects a numerical value", flags);  in get_value()
206 		if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {  in get_value()
210 		if (get_arg(p, opt, flags, &arg))  in get_value()
214 			return opterror(opt, "expects a numerical value", flags);  in get_value()
248 		int flags = 0;  in parse_long_opt()  local
258 				return opterror(options, "takes no value", flags);  in parse_long_opt()
274 					flags |= OPT_UNSET;  in parse_long_opt()
279 					flags |= OPT_UNSET;  in parse_long_opt()
296 				if (!(flags & OPT_UNSET) && *arg_end)  in parse_long_opt()
299 				abbrev_flags = flags;  in parse_long_opt()
304 				flags |= OPT_UNSET;  in parse_long_opt()
310 			flags |= OPT_UNSET;  in parse_long_opt()
324 		return get_value(p, options, flags);  in parse_long_opt()
361 			 int argc, const char **argv, int flags)  in parse_options_start()  argument
367 	ctx->cpidx = ((flags & PARSE_OPT_KEEP_ARGV0) != 0);  in parse_options_start()
368 	ctx->flags = flags;  in parse_options_start()
369 	if ((flags & PARSE_OPT_KEEP_UNKNOWN) &&  in parse_options_start()
370 	    (flags & PARSE_OPT_STOP_AT_NON_OPTION))  in parse_options_start()
381 	int internal_help = !(ctx->flags & PARSE_OPT_NO_INTERNAL_HELP);  in parse_options_step()
391 			if (ctx->flags & PARSE_OPT_STOP_AT_NON_OPTION)  in parse_options_step()
439 			if (!(ctx->flags & PARSE_OPT_KEEP_DASHDASH)) {  in parse_options_step()
468 		if (!(ctx->flags & PARSE_OPT_KEEP_UNKNOWN))  in parse_options_step()
495 			const char *const subcommands[], const char *usagestr[], int flags)  in parse_options_subcommand()  argument
517 	parse_options_start(&ctx, argc, argv, flags);  in parse_options_subcommand()
551 		  const char * const usagestr[], int flags)  in parse_options()  argument
554 					(const char **) usagestr, flags);  in parse_options()
571 	if (!full && (opts->flags & PARSE_OPT_HIDDEN))  in print_option_help()
573 	if (opts->flags & PARSE_OPT_DISABLED)  in print_option_help()
594 		if (opts->flags & PARSE_OPT_OPTARG)  in print_option_help()
603 		if (opts->flags & PARSE_OPT_NOARG)  in print_option_help()
608 			if (opts->flags & PARSE_OPT_OPTARG)  in print_option_help()
616 			if (opts->flags & PARSE_OPT_OPTARG)  in print_option_help()
753 			opts->flags |= flag;  in set_option_flag()