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 #include <stdio.h>
  23 #include <getopt.h>
  24
  25 #include "pbt-main.h"
  26
  27 void pbt_print_version(void)
  28 {
  29         printf("petitboot-twin (" PACKAGE_NAME ") " PACKAGE_VERSION "\n");
  30 }
  31
  32 void pbt_print_usage(void)
  33 {
  34         pbt_print_version();
  35         printf(
  36 "Usage: petitboot-twin [-h, --help] [-l, --log log-file]\n"
  37 "                      [-r, --reset-defaults] [-s, --start-daemon]\n"
  38 "                      [-t, --timeout] [-V, --version]\n"
  39 "                      [[-f --fbdev] | [-x --x11]]\n");
  40 }
  41
  42 /**
  43  * pbt_opts_parse - Parse the command line options.
  44  */
  45
  46 int pbt_opts_parse(struct pbt_opts *opts, int argc, char *argv[])
  47 {
  48         static const struct option long_options[] = {
  49                 {"fbdev",          no_argument,       NULL, 'f'},
  50                 {"help",           no_argument,       NULL, 'h'},
  51                 {"log",            required_argument, NULL, 'l'},
  52                 {"reset-defaults", no_argument,       NULL, 'r'},
  53                 {"start-daemon",   no_argument,       NULL, 's'},
  54                 {"timeout",        no_argument,       NULL, 't'},
  55                 {"version",        no_argument,       NULL, 'V'},
  56                 {"x11",            no_argument,       NULL, 'x'},
  57                 { NULL, 0, NULL, 0},
  58         };
  59         static const char short_options[] = "dfhl:strVx";
  60         static const struct pbt_opts default_values = {
  61                 .backend = pbt_twin_x11,
  62                 .log_file = "/var/log/petitboot/petitboot-twin.log",
  63         };
  64
  65         *opts = default_values;
  66
  67         while (1) {
  68                 int c = getopt_long(argc, argv, short_options, long_options,
  69                         NULL);
  70
  71                 if (c == EOF)
  72                         break;
  73
  74                 switch (c) {
  75                 case 'f':
  76                         opts->backend = pbt_twin_fbdev;
  77                         break;
  78                 case 'h':
  79                         opts->show_help = pbt_opt_yes;
  80                         break;
  81                 case 'l':
  82                         opts->log_file = optarg;
  83                         break;
  84                 case 's':
  85                         opts->start_daemon = pbt_opt_yes;
  86                         break;
  87                 case 't':
  88                         opts->use_timeout = pbt_opt_yes;
  89                         break;
  90                 case 'r':
  91                         opts->reset_defaults = pbt_opt_yes;
  92                         break;
  93                 case 'V':
  94                         opts->show_version = pbt_opt_yes;
  95                         break;
  96                 case 'x':
  97                         opts->backend = pbt_twin_x11;
  98                         break;
  99                 default:
 100                         opts->show_help = pbt_opt_yes;
 101                         return -1;
 102                 }
 103         }
 104
 105         return optind != argc;
 106 }