src/helper/util.c

   1 /***************************************************************************
   2  *   Copyright (C) 2010 by Øyvind Harboe                                   *
   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; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  18  ***************************************************************************/
  19
  20 /* this file contains various functionality useful to standalone systems */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include "config.h"
  24 #endif
  25
  26 #include "log.h"
  27 #include "time_support.h"
  28
  29 static int
  30 util_Jim_Command_ms(Jim_Interp *interp,
  31                                    int argc,
  32                 Jim_Obj * const *argv)
  33 {
  34         if (argc != 1)
  35         {
  36                 Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?");
  37                 return JIM_ERR;
  38         }
  39
  40         /* Cast from 64 to 32 bit int works for 2's-compliment
  41          * when calculating differences*/
  42         Jim_SetResult(interp, Jim_NewIntObj(interp, (int)timeval_ms()));
  43
  44         return JIM_OK;
  45 }
  46
  47 static const struct command_registration util_command_handlers[] = {
  48         // jim handlers
  49         {
  50                 .name = "ms",
  51                 .mode = COMMAND_ANY,
  52                 .jim_handler = util_Jim_Command_ms,
  53                 .help = "Returns ever increasing milliseconds. Used to calculuate differences in time.",
  54                 .usage = "",
  55         },
  56         COMMAND_REGISTRATION_DONE
  57 };
  58
  59 int util_init(struct command_context *cmd_ctx)
  60 {
  61         return register_commands(cmd_ctx, NULL, util_command_handlers);
  62 }