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("petitboot-twin (" PACKAGE_NAME ") " PACKAGE_VERSION "\n");
  31 }
  32
  33 void pbt_print_usage(void)
  34 {
  35         pbt_print_version();
  36         printf(
  37 "Usage: petitboot-twin [-d, --dry-run] [-h, --help] [-l, --log log-file]\n"
  38 "                      [-r, --reset-defaults] [-s, --start-daemon]\n"
  39 "                      [-t, --timeout] [-V, --version]\n"
  40 "                      [[-f --fbdev] | [-x --x11]]\n");
  41 }
  42
  43 /**
  44  * pbt_opts_parse - Parse the command line options.
  45  */
  46
  47 int pbt_opts_parse(struct pbt_opts *opts, int argc, char *argv[])
  48 {
  49         static const struct option long_options[] = {
  50                 {"dry-run",        no_argument,       NULL, 'd'},
  51                 {"fbdev",          no_argument,       NULL, 'f'},
  52                 {"help",           no_argument,       NULL, 'h'},
  53                 {"log",            required_argument, NULL, 'l'},
  54                 {"reset-defaults", no_argument,       NULL, 'r'},
  55                 {"start-daemon",   no_argument,       NULL, 's'},
  56                 {"timeout",        no_argument,       NULL, 't'},
  57                 {"version",        no_argument,       NULL, 'V'},
  58                 {"x11",            no_argument,       NULL, 'x'},
  59                 { NULL, 0, NULL, 0},
  60         };
  61         static const char short_options[] = "dfhl:strVx";
  62         static const struct pbt_opts default_values = {
  63                 .backend = pbt_twin_x11,
  64                 .log_file = "/var/log/petitboot/petitboot-twin.log",
  65         };
  66
  67         *opts = default_values;
  68
  69         while (1) {
  70                 int c = getopt_long(argc, argv, short_options, long_options,
  71                         NULL);
  72
  73                 if (c == EOF)
  74                         break;
  75
  76                 switch (c) {
  77                 case 'd':
  78                         opts->dry_run = pbt_opt_yes;
  79                         break;
  80                 case 'f':
  81                         opts->backend = pbt_twin_fbdev;
  82                         break;
  83                 case 'h':
  84                         opts->show_help = pbt_opt_yes;
  85                         break;
  86                 case 'l':
  87                         opts->log_file = optarg;
  88                         break;
  89                 case 's':
  90                         opts->start_daemon = pbt_opt_yes;
  91                         break;
  92                 case 't':
  93                         opts->use_timeout = pbt_opt_yes;
  94                         break;
  95                 case 'r':
  96                         opts->reset_defaults = pbt_opt_yes;
  97                         break;
  98                 case 'V':
  99                         opts->show_version = pbt_opt_yes;
 100                         break;
 101                 case 'x':
 102                         opts->backend = pbt_twin_x11;
 103                         break;
 104                 default:
 105                         opts->show_help = pbt_opt_yes;
 106                         return -1;
 107                 }
 108         }
 109
 110         return optind != argc;
 111 }