guile 0.0.2

Safe bindings to GNU Guile.
Documentation 
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/* Copyright (C) 2001, 2006, 2008 Free Software Foundation, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA
 */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include "libguile/__scm.h"

#include <windows.h>
#include <stdio.h>
#include <string.h>

#include "win32-uname.h"

/*
 * Get name and information about current kernel.
 */
int
uname (struct utsname *uts)
{
  enum { WinNT, Win95, Win98, WinUnknown };
  OSVERSIONINFO osver;
  SYSTEM_INFO sysinfo;
  DWORD sLength;
  DWORD os = WinUnknown;

  memset (uts, 0, sizeof (*uts));

  osver.dwOSVersionInfoSize = sizeof (osver);
  GetVersionEx (&osver);
  GetSystemInfo (&sysinfo);

  switch (osver.dwPlatformId)
    {
    case VER_PLATFORM_WIN32_NT: /* NT, Windows 2000 or Windows XP */
      if (osver.dwMajorVersion == 4)
        strcpy (uts->sysname, "Windows NT4x"); /* NT4x */
      else if (osver.dwMajorVersion <= 3)
        strcpy (uts->sysname, "Windows NT3x"); /* NT3x */
      else if (osver.dwMajorVersion == 5 && osver.dwMinorVersion < 1)
        strcpy (uts->sysname, "Windows 2000"); /* 2k */
      else if (osver.dwMajorVersion >= 5)
        strcpy (uts->sysname, "Windows XP");   /* XP */
      os = WinNT;
      break;

    case VER_PLATFORM_WIN32_WINDOWS: /* Win95, Win98 or WinME */
      if ((osver.dwMajorVersion > 4) || 
          ((osver.dwMajorVersion == 4) && (osver.dwMinorVersion > 0)))
        {
	  if (osver.dwMinorVersion >= 90)
	    strcpy (uts->sysname, "Windows ME"); /* ME */
	  else
	    strcpy (uts->sysname, "Windows 98"); /* 98 */
          os = Win98;
        }
      else
        {
          strcpy (uts->sysname, "Windows 95"); /* 95 */
          os = Win95;
        }
      break;

    case VER_PLATFORM_WIN32s: /* Windows 3.x */
      strcpy (uts->sysname, "Windows");
      break;
    }

  sprintf (uts->version, "%ld.%02ld", 
           osver.dwMajorVersion, osver.dwMinorVersion);

  if (osver.szCSDVersion[0] != '\0' &&
      (strlen (osver.szCSDVersion) + strlen (uts->version) + 1) < 
      sizeof (uts->version))
    {
      strcat (uts->version, " ");
      strcat (uts->version, osver.szCSDVersion);
    }

  sprintf (uts->release, "build %ld", osver.dwBuildNumber & 0xFFFF);

  switch (sysinfo.wProcessorArchitecture)
    {
    case PROCESSOR_ARCHITECTURE_PPC:
      strcpy (uts->machine, "ppc");
      break;
    case PROCESSOR_ARCHITECTURE_ALPHA:
      strcpy (uts->machine, "alpha");
      break;
    case PROCESSOR_ARCHITECTURE_MIPS:
      strcpy (uts->machine, "mips");
      break;
    case PROCESSOR_ARCHITECTURE_INTEL:
      /* 
       * dwProcessorType is only valid in Win95 and Win98 and WinME
       * wProcessorLevel is only valid in WinNT 
       */
      switch (os)
        {
        case Win95:
        case Win98:
          switch (sysinfo.dwProcessorType)
            {
            case PROCESSOR_INTEL_386:
            case PROCESSOR_INTEL_486:
            case PROCESSOR_INTEL_PENTIUM:
              sprintf (uts->machine, "i%ld", sysinfo.dwProcessorType);
              break;
            default:
              strcpy (uts->machine, "i386");
              break;
          }
          break;
        case WinNT:
          sprintf (uts->machine, "i%d86", sysinfo.wProcessorLevel);
          break;
        default:
          strcpy (uts->machine, "unknown");
          break;
      }
      break;
    default:
      strcpy (uts->machine, "unknown");
      break;
  }
  
  sLength = sizeof (uts->nodename) - 1;
  GetComputerName (uts->nodename, &sLength);
  return 0;
}