text: /*
   * Copyright (c) 2003 Riccardo Persichetti <riccardo.persichetti@tin.it>
   * Copyright (c) 2010 Florian Rivoal <frivoal@xfce.org>
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifdef HAVE_CONFIG_H
  #include <config.h>
  #endif
  
  #include <gtk/gtk.h>
  
  #include <libxfce4util/libxfce4util.h>
  #include <libxfce4ui/libxfce4ui.h>
  
  #include "uptime.h"
  
  #if defined(__linux__) || defined(__FreeBSD_kernel__)
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <fcntl.h>
  
  #define PROC_UPTIME "/proc/uptime"
  
  gulong read_uptime(void)
  {
      FILE *fd;
      gulong uptime;
  
      fd = fopen(PROC_UPTIME, "r");
      if (!fd) {
          g_warning(_("File /proc/uptime not found!"));
          return 0;
      }
      if (!fscanf(fd, "%lu", &uptime))
         uptime = 0;
      fclose(fd);
  
      return uptime;
  }
  
  #elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
  
  #ifdef __NetBSD__
  /*
   * NetBSD defines MAX and MIN in sys/param.h, so undef the glib macros first
   */
  #ifdef MAX
  #undef MAX
  #endif
  #ifdef MIN
  #undef MIN
  #endif
  #endif /* !__NetBSD__ */
  
  #include <fcntl.h>
  #include <limits.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <sys/param.h>
  #include <sys/sysctl.h>
  #include <sys/types.h>
  #include <sys/vmmeter.h>
  #include <unistd.h>
  
  #ifdef __FreeBSD__
  #include <sys/time.h>
  #endif /* !__FreeBSD__ */
  
  gulong read_uptime(void)
  {
     int mib[2] = {CTL_KERN, KERN_BOOTTIME};
     struct timeval boottime;
     time_t now;
     size_t size = sizeof(boottime);
     gulong uptime;
   
     if((sysctl(mib, 2, &boottime, &size, NULL, 0) != -1)
  	   && (boottime.tv_sec != 0)) {
        time(&now);
        uptime = now - boottime.tv_sec;
     }
     else
     {
         g_warning("Cannot get kern.boottime");
         uptime = 0;
     }
  
     return uptime;
  }
  
  #elif defined(__sun__)
  
  #include <kstat.h>
  
  gulong read_uptime()
  {
     kstat_ctl_t *kc;
     kstat_t *ks;
     kstat_named_t *boottime;
     time_t now;
     gulong uptime;
  
     if (((kc = kstat_open()) != 0) && ((ks = kstat_lookup(kc, "unix", 0, "system_misc")) != NULL) && (kstat_read(kc, ks, NULL) != -1) && ((boottime = kstat_data_lookup(ks, "boot_time")) != NULL)) {
        time(&now);
        uptime = now - boottime->value.ul;
        kstat_close(kc);
     }
     else
     {
         g_warning("Cannot get boot_time");
         uptime = 0;
     }
  
     return uptime;
  }
  
  #else
  #error "Your platform is not yet supported"
  #endif
  