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/* Gopher filesystem. Argument handling routines.
Copyright (C) 2001, 2002 James A. Morrison <ja2morri@uwaterloo.ca>
Copyright (C) 2000 Igor Khavkine <igor@twu.net>
Gopherfs 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.
Gopherfs 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
#include <string.h>
#include <limits.h>
#include <unistd.h>
#include <error.h>
#include <argp.h>
#include <argz.h>
#include <hurd/netfs.h>
#include "gopherfs.h"
/* ARGP data */
const char *argp_program_version = GOPHER_SERVER_NAME " " GOPHER_SERVER_VERSION;
const char *argp_program_bug_address = "ja2morri@uwaterloo.ca";
char args_doc[] = "SERVER [REMOTE_FS]";
char doc[] = "Hurd gopher filesystem translator";
static const struct argp_option options[] = {
{"debug", 'D', 0, 0, "enable debug output"},
{"port", 'P', "NUMBER", 0, "Specify a non-standard port"},
{0}
};
/* the function that groks the arguments and fills
* global options
*/
static error_t
parse_opt (int key, char *arg, struct argp_state *state)
{
char *tail;
switch (key)
{
case 'D':
debug_flag = 1;
break;
case 'P':
gopherfs_root_port = (unsigned short) strtol (arg, &tail, 10);
if (tail == arg || gopherfs_root_port > USHRT_MAX)
{
/* XXX bad integer conversion */
error (1, errno, "bad port number");
}
break;
case ARGP_KEY_ARG:
if (state->arg_num == 0)
{
gopherfs_root_port = 70;
gopherfs_root_server = arg;
}
else if (state->arg_num == 1)
{
gopherfs_server_dir = arg;
}
else
return ARGP_ERR_UNKNOWN;
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
static struct argp_child argp_children[] = { {&netfs_std_startup_argp}, {0} };
static struct argp parser =
{ options, parse_opt, args_doc, doc, argp_children };
/* Used by netfs_set_options to handle runtime option parsing. */
struct argp *netfs_runtime_argp = &parser;
/* maybe overwrite this some time later */
error_t netfs_append_args (char **argz, size_t * argz_len);
/* handle all initial parameter parsing */
error_t
gopherfs_parse_args (int argc, char **argv)
{
/* XXX: handle command line arguments properly */
return argp_parse (&parser, argc, argv, 0, 0, /*&conf */ 0);
}
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