3 * - useful general-purpose resolver client program
4 * main program and useful subroutines
8 * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
10 * It is part of adns, which is
11 * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
12 * Copyright (C) 1999 Tony Finch <dot@dotat.at>
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2, or (at your option)
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
33 void sysfail(const char *what, int errnoval) {
34 fprintf(stderr,"adnshost failed: %s: %s\n",what,strerror(errnoval));
38 static void domain_do_arg(const char *domain) {
39 if (ov_pipe) usageerr("-f/--pipe not consistent with domains on command line");
43 static void of_type(const struct optinfo *oi, const char *arg) { abort(); }
45 int main(int argc, const char *const *argv) {
49 while (arg= *++argv) {
52 oip= opt_findl(arg+2);
53 if (oip->type == ot_funcarg) {
55 if (!arg) usageerr("option --%s requires a value argument",oip->lopt);
60 } else if (arg[1] == 0) {
62 if (!arg) usageerr("option `-' must be followed by a domain");
64 } else { /* arg[1] != '-', != '\0' */
68 if (oip->type == ot_funcarg) {
71 if (!arg) usageerr("option -%s requires a value argument",oip->sopt);
80 } else { /* arg[0] != '-' */
87 if (ov_pipe) usageerr("-f/--pipe not
89 if (oip && ads) usageerr("global option %s must precede all query domains",arg);
90 if (!oip) oip= opt_findl(arg+2,perquery_options);
91 if (!oip) usageerr("unknown option %s",arg);
97 while (argv[1] && argv[1][0] == '-') {
98 if (argv[1][1] == '-') {