others
/* $Id$ */
/* Copyright (c) 2011-2014 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Unix others */
/* This program 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, version 3 of the License.
*
* This program 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, see <http://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <libgen.h>
#include "otherbox.h"
#ifndef PROGNAME
# define PROGNAME "otherbox"
#endif
/* otherbox */
/* private */
/* prototypes */
static int _otherbox(char const * name, int argc, char * argv[]);
static int _otherbox_error(char const * message, int ret);
static int _otherbox_list(Call * calls);
static int _otherbox_usage(void);
/* functions */
/* otherbox */
static int _otherbox(char const * name, int argc, char * argv[])
{
size_t i;
for(i = 0; calls[i].name != NULL; i++)
if(strcmp(calls[i].name, name) == 0)
return calls[i].call(argc, argv);
return -1;
}
/* otherbox_error */
static int _otherbox_error(char const * message, int ret)
{
fputs(PROGNAME ": ", stderr);
perror(message);
return ret;
}
/* otherbox_list */
static int _otherbox_list(Call * calls)
{
size_t i;
for(i = 0; calls[i].name != NULL; i++)
puts(calls[i].name);
return 0;
}
/* otherbox_usage */
static int _otherbox_usage(void)
{
fputs("Usage: " PROGNAME " program [arguments...]\n"
" " PROGNAME " -l\n"
" -l List available programs\n", stderr);
return 1;
}
/* public */
/* functions */
/* main */
int main(int argc, char * argv[])
{
int ret;
char * p;
char const * q;
int o;
if((p = strdup(argv[0])) == NULL)
return _otherbox_error(NULL, 2);
q = basename(p);
ret = _otherbox(q, argc, argv);
free(p);
if(ret >= 0)
return ret;
while((o = getopt(argc, argv, "l")) != -1)
switch(o)
{
case 'l':
return _otherbox_list(calls);
default:
return _otherbox_usage();
}
if(optind == argc)
return _otherbox_usage();
return _otherbox(argv[optind], argc - optind, &argv[optind]);
}