/* opts-std-startup.c - Standard startup-time command line parser. Copyright (C) 1995,96,97,98,99,2001,02 Free Software Foundation, Inc. Written by Miles Bader and Marcus Brinkmann. This file is part of the GNU Hurd. The GNU Hurd 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. The GNU Hurd 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include "priv.h" /* Option keys for long-only options in diskfs_common_options. */ #define OPT_SLACK 600 /* --slack */ /* Common value for diskfs_common_options and diskfs_default_sync_interval. */ #define DEFAULT_SLACK 100 #define DEFAULT_SLACK_STRING STRINGIFY(DEFAULT_SLACK) #define STRINGIFY(x) STRINGIFY_1(x) #define STRINGIFY_1(x) #x /* Number of records the client is allowed to lag behind the server. */ int _cons_slack = DEFAULT_SLACK; /* The filename of the console server. */ char *_cons_file; static const struct argp_option startup_options[] = { { "slack", OPT_SLACK, "RECORDS", 0, "Max number of records the client is" " allowed to lag behind the server (default " DEFAULT_SLACK_STRING ")" }, { 0, 0 } }; static const char args_doc[] = "CONSOLE"; static const char doc[] = "A console client."; static error_t parse_startup_opt (int opt, char *arg, struct argp_state *state) { switch (opt) { case OPT_SLACK: _cons_slack = atoi (arg); break; case ARGP_KEY_ARG: if (state->arg_num > 0) /* Too many arguments. */ argp_usage (state); _cons_file = arg; break; case ARGP_KEY_END: if (state->arg_num != 1) /* Not enough arguments. */ argp_usage (state); break; default: return ARGP_ERR_UNKNOWN; } return 0; } /* An argp structure for the standard console client command line arguments. */ const struct argp cons_startup_argp = { startup_options, parse_startup_opt, args_doc, doc };