132 static int gotflag(struct getoptflagstate *gof, struct opts *opt)  in gotflag()  argument
138     if (gof->noerror) return 1;  in gotflag()
139     help_exit("Unknown option %s", gof->arg);  in gotflag()
148     for (clr=gof->opts, i=1; clr; clr = clr->next, i<<=1)  in gotflag()
155   gof->excludes |= opt->dex[2];  in gotflag()
156   if (opt->flags&2) gof->stopearly=2;  in gotflag()
158   if (toys.optflags & gof->excludes) {  in gotflag()
162     for (bad=gof->opts, i=1; ;bad = bad->next, i<<=1) {  in gotflag()
170   if (!gof->arg) {  in gotflag()
172     gof->arg = "";  in gotflag()
173   } else gof->arg++;  in gotflag()
178     char *arg = gof->arg;  in gotflag()
184     if (gof->nodash_now || (!arg[0] && !(opt->flags & 8)))  in gotflag()
185       arg = toys.argv[++gof->argc];  in gotflag()
192       for (lo = gof->longopts; lo->opt != opt; lo = lo->next);  in gotflag()
221     if (!gof->nodash_now) gof->arg = "";  in gotflag()
229 void parse_optflaglist(struct getoptflagstate *gof)  in parse_optflaglist()  argument
237   memset(gof, 0, sizeof(struct getoptflagstate));  in parse_optflaglist()
238   gof->maxargs = INT_MAX;  in parse_optflaglist()
243     if (*options == '^') gof->stopearly++;  in parse_optflaglist()
244     else if (*options == '<') gof->minargs=*(++options)-'0';  in parse_optflaglist()
245     else if (*options == '>') gof->maxargs=*(++options)-'0';  in parse_optflaglist()
246     else if (*options == '?') gof->noerror++;  in parse_optflaglist()
247     else if (*options == '&') gof->nodash++;  in parse_optflaglist()
254   if (!*options) gof->stopearly++;  in parse_optflaglist()
264       new->next = gof->opts;  in parse_optflaglist()
265       gof->opts = new;  in parse_optflaglist()
281       lo->next = gof->longopts;  in parse_optflaglist()
285       gof->longopts = lo;  in parse_optflaglist()
328   for (new = gof->opts; new; new = new->next) {  in parse_optflaglist()
333     if (new->flags & 1) gof->requires |= u;  in parse_optflaglist()
358       for (i=0, opt = gof->opts; ; i++, opt = opt->next) {  in parse_optflaglist()
379   struct getoptflagstate gof;  in get_optflags()  local
392   parse_optflaglist(&gof);  in get_optflags()
395   for (gof.argc=1; toys.argv[gof.argc]; gof.argc++) {  in get_optflags()
396     gof.arg = toys.argv[gof.argc];  in get_optflags()
400     if (gof.stopearly>1) goto notflag;  in get_optflags()
402     gof.nodash_now = 0;  in get_optflags()
405     if (*gof.arg == '-') {  in get_optflags()
408       if (!gof.arg[1]) goto notflag;  in get_optflags()
409       gof.arg++;  in get_optflags()
410       if (*gof.arg=='-') {  in get_optflags()
413         gof.arg++;  in get_optflags()
415         if (!*gof.arg) {  in get_optflags()
416           gof.stopearly += 2;  in get_optflags()
421         for (lo = gof.longopts; lo; lo = lo->next) {  in get_optflags()
422           if (!strncmp(gof.arg, lo->str, lo->len)) {  in get_optflags()
423             if (!gof.arg[lo->len]) gof.arg = 0;  in get_optflags()
424             else if (gof.arg[lo->len] == '=' && lo->opt->type)  in get_optflags()
425               gof.arg += lo->len;  in get_optflags()
434         if (!lo && gof.noerror) {  in get_optflags()
435           gof.arg -= 2;  in get_optflags()
440         gotflag(&gof, catch);  in get_optflags()
446       if (gof.nodash && (gof.nodash>1 || gof.argc == 1)) gof.nodash_now = 1;  in get_optflags()
453     while (*gof.arg) {  in get_optflags()
456       for (catch = gof.opts; catch; catch = catch->next)  in get_optflags()
457         if (*gof.arg == catch->c)  in get_optflags()
458           if (!((catch->flags&4) && gof.arg[1])) break;  in get_optflags()
461       if (gotflag(&gof, catch) ) {  in get_optflags()
463         gof.arg = toys.argv[gof.argc];  in get_optflags()
471     if (gof.stopearly) gof.stopearly++;  in get_optflags()
472     toys.optargs[toys.optc++] = toys.argv[gof.argc];  in get_optflags()
476   if (toys.optc<gof.minargs)  in get_optflags()
477     help_exit("Need%s %d argument%s", letters[!!(gof.minargs-1)],  in get_optflags()
478       gof.minargs, letters[!(gof.minargs-1)]);  in get_optflags()
479   if (toys.optc>gof.maxargs)  in get_optflags()
480     help_exit("Max %d argument%s", gof.maxargs, letters[!(gof.maxargs-1)]);  in get_optflags()
481   if (gof.requires && !(gof.requires & toys.optflags)) {  in get_optflags()
485     for (req = gof.opts; req; req = req->next)  in get_optflags()
493     llist_traverse(gof.opts, free);  in get_optflags()
494     llist_traverse(gof.longopts, free);  in get_optflags()