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/*-GNU-GPL-BEGIN-*
RULI - Resolver User Layer Interface - Querying DNS SRV records
Copyright (C) 2004 Everton da Silva Marques
RULI is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
RULI is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with RULI; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*-GNU-GPL-END-*/
/*
$Id: parse_options.c,v 1.4 2005/06/28 22:27:02 evertonm Exp $
*/
#include <string.h>
#include <stdlib.h>
#include <ruli.h>
#include "parse_options.h"
struct opt_map {
const char *name;
long option;
} opt_table[] = {
{ "search", RULI_RES_OPT_SEARCH },
{ "need_ra", RULI_RES_OPT_NEED_RA },
{ "noinet", RULI_RES_OPT_SRV_NOINET },
{ "noinet6", RULI_RES_OPT_SRV_NOINET6 },
{ "uri_port", RULI_RES_OPT_SRV_URI_PORT },
{ "nowalk", RULI_RES_OPT_SRV_NOWALK },
{ "nofall", RULI_RES_OPT_SRV_NOFALL },
{ "nosort6", RULI_RES_OPT_SRV_NOSORT6 },
{ "rfc3484", RULI_RES_OPT_SRV_RFC3484 },
{ "cname", RULI_RES_OPT_SRV_CNAME },
{ 0, 0 }
};
long parse_options(int argc, const char *argv[], int first)
{
long options = 0;
int i;
for (i = first; i < argc; ++i) {
const char *arg = argv[i];
int j;
if (!strncmp(arg, "h", 1) || !strncmp(arg, "-h", 2)) {
printf("%s: available resolver options:", argv[0]);
for (j = 0;; ++j) {
struct opt_map opt = opt_table[j];
if (!opt.name)
break;
printf(" %s", opt.name);
}
printf("\n");
exit(0);
}
for (j = 0;; ++j) {
struct opt_map opt = opt_table[j];
if (!opt.name) {
fprintf(stderr,
"%s: ignoring unknown resolver option: %s\n",
argv[0], arg);
break;
}
if (!strcmp(arg, opt.name)) {
options |= opt.option;
break;
}
}
}
return options;
}
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