arguments.h revision 3114c9824220921bab15cc283907debccde17fa0
/*
* lxc: linux Container library
*
* (C) Copyright IBM Corp. 2007, 2008
*
* Authors:
* Daniel Lezcano <dlezcano at fr.ibm.com>
* Michel Normand <normand at fr.ibm.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __arguments_h
#define __arguments_h
#include <getopt.h>
struct lxc_arguments;
typedef int (*lxc_arguments_parser_t) (struct lxc_arguments *, int, char*);
typedef int (*lxc_arguments_checker_t) (const struct lxc_arguments *);
struct lxc_arguments {
const char *help;
const char *progname;
const struct option* options;
lxc_arguments_parser_t parser;
lxc_arguments_checker_t checker;
const char *name;
char *log_file;
char *log_priority;
int quiet;
int daemonize;
const char *rcfile;
const char *console;
const char *pidfile;
/* for lxc-checkpoint/restart */
const char *statefile;
int statefd;
int flags;
/* for lxc-console */
int ttynum;
char escape;
/* for lxc-wait */
char *states;
long timeout;
/* close fds from parent? */
int close_all_fds;
/* remaining arguments */
char *const *argv;
int argc;
/* private arguments */
void *data;
};
#define LXC_COMMON_OPTIONS \
{"name", required_argument, 0, 'n'}, \
{"help", no_argument, 0, 'h'}, \
{"usage", no_argument, 0, OPT_USAGE}, \
{"quiet", no_argument, 0, 'q'}, \
{"logfile", required_argument, 0, 'o'}, \
{"logpriority", required_argument, 0, 'l'}, \
{0, 0, 0, 0}
/* option keys for long only options */
#define OPT_USAGE 0x1000
extern int lxc_arguments_parse(struct lxc_arguments *args,
int argc, char *const argv[]);
extern int lxc_arguments_str_to_int(struct lxc_arguments *args, const char *str);
extern const char *lxc_strerror(int errnum);
#define lxc_error(arg, fmt, args...) if (!(arg)->quiet) \
fprintf(stderr, "%s: " fmt "\n", (arg)->progname, ## args)
#endif