git.ozlabs.org Git - petitboot/blob - ui/twin/pbt-main.c

   1 /*
   2  *  Copyright Geoff Levand <geoff@infradead.org>
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; version 2 of the License.
   7  *
   8  *  This program is distributed in the hope that it will be useful,
   9  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *  GNU General Public License for more details.
  12  *
  13  *  You should have received a copy of the GNU General Public License
  14  *  along with this program; if not, write to the Free Software
  15  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  16  */
  17
  18 #if defined(HAVE_CONFIG_H)
  19 #include "config.h"
  20 #endif
  21
  22 #define _GNU_SOURCE
  23 #include <stdio.h>
  24 #include <getopt.h>
  25
  26 #include "pbt-main.h"
  27
  28 void pbt_print_version(void)
  29 {
  30         printf("pb-twin (" PACKAGE_NAME ") " PACKAGE_VERSION "\n");
  31 }
  32
  33 void pbt_print_usage(void)
  34 {
  35         pbt_print_version();
  36         printf(
  37 "Usage: pb-twin [-h, --help] [-l, --log log-file] [-r, --reset-defaults]\n"
  38 "               [-t, --timeout] [-V, --version] [[-f --fbdev] | [-x --x11]]\n");
  39 }
  40
  41 /**
  42  * pbt_opts_parse - Parse the command line options.
  43  */
  44
  45 int pbt_opts_parse(struct pbt_opts *opts, int argc, char *argv[])
  46 {
  47         static const struct option long_options[] = {
  48                 {"fbdev",          no_argument,       NULL, 'f'},
  49                 {"help",           no_argument,       NULL, 'h'},
  50                 {"log",            required_argument, NULL, 'l'},
  51                 {"reset-defaults", no_argument,       NULL, 'r'},
  52                 {"timeout",        no_argument,       NULL, 't'},
  53                 {"version",        no_argument,       NULL, 'V'},
  54                 {"x11",            no_argument,       NULL, 'x'},
  55                 { NULL, 0, NULL, 0},
  56         };
  57         static const char short_options[] = "fhl:trVx";
  58         static const struct pbt_opts default_values = {
  59                 .backend = pbt_twin_x11,
  60                 .log_file = "pb-twin.log",
  61         };
  62
  63         *opts = default_values;
  64
  65         while (1) {
  66                 int c = getopt_long(argc, argv, short_options, long_options,
  67                         NULL);
  68
  69                 if (c == EOF)
  70                         break;
  71
  72                 switch (c) {
  73                 case 'f':
  74                         opts->backend = pbt_twin_fbdev;
  75                         break;
  76                 case 'h':
  77                         opts->show_help = pbt_opt_yes;
  78                         break;
  79                 case 'l':
  80                         opts->log_file = optarg;
  81                         break;
  82                 case 't':
  83                         opts->use_timeout = pbt_opt_yes;
  84                         break;
  85                 case 'r':
  86                         opts->reset_defaults = pbt_opt_yes;
  87                         break;
  88                 case 'V':
  89                         opts->show_version = pbt_opt_yes;
  90                         break;
  91                 case 'x':
  92                         opts->backend = pbt_twin_x11;
  93                         break;
  94                 default:
  95                         opts->show_help = pbt_opt_yes;
  96                         return -1;
  97                 }
  98         }
  99
 100         return optind != argc;
 101 }