text: /*
    Simple DirectMedia Layer
    Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
  
    This software is provided 'as-is', without any express or implied
    warranty.  In no event will the authors be held liable for any damages
    arising from the use of this software.
  
    Permission is granted to anyone to use this software for any purpose,
    including commercial applications, and to alter it and redistribute it
    freely, subject to the following restrictions:
  
    1. The origin of this software must not be misrepresented; you must not
       claim that you wrote the original software. If you use this software
       in a product, an acknowledgment in the product documentation would be
       appreciated but is not required.
    2. Altered source versions must be plainly marked as such, and must not be
       misrepresented as being the original software.
    3. This notice may not be removed or altered from any source distribution.
  */
  #include "SDL_config.h"
  
  /* Initialization code for SDL */
  
  #include "SDL.h"
  #include "SDL_revision.h"
  #include "SDL_fatal.h"
  #include "SDL_assert_c.h"
  #include "haptic/SDL_haptic_c.h"
  #include "joystick/SDL_joystick_c.h"
  
  /* Initialization/Cleanup routines */
  #if !SDL_TIMERS_DISABLED
  extern void SDL_StartTicks(void);
  extern int SDL_TimerInit(void);
  extern void SDL_TimerQuit(void);
  #endif
  #if defined(__WIN32__)
  extern int SDL_HelperWindowCreate(void);
  extern int SDL_HelperWindowDestroy(void);
  #endif
  
  
  /* The initialized subsystems */
  static Uint32 SDL_initialized = 0;
  static Uint32 ticks_started = 0;
  
  
  int
  SDL_InitSubSystem(Uint32 flags)
  {
  #if !SDL_VIDEO_DISABLED
      /* Initialize the video/event subsystem */
      if ((flags & SDL_INIT_VIDEO) && !(SDL_initialized & SDL_INIT_VIDEO)) {
          if (SDL_VideoInit(NULL) < 0) {
              return (-1);
          }
          SDL_initialized |= SDL_INIT_VIDEO;
      }
  #else
      if (flags & SDL_INIT_VIDEO) {
          SDL_SetError("SDL not built with video support");
          return (-1);
      }
  #endif
  
  #if !SDL_AUDIO_DISABLED
      /* Initialize the audio subsystem */
      if ((flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO)) {
          if (SDL_AudioInit(NULL) < 0) {
              return (-1);
          }
          SDL_initialized |= SDL_INIT_AUDIO;
      }
  #else
      if (flags & SDL_INIT_AUDIO) {
          SDL_SetError("SDL not built with audio support");
          return (-1);
      }
  #endif
  
  #if !SDL_TIMERS_DISABLED
      /* Initialize the timer subsystem */
      if (!ticks_started) {
          SDL_StartTicks();
          ticks_started = 1;
      }
      if ((flags & SDL_INIT_TIMER) && !(SDL_initialized & SDL_INIT_TIMER)) {
          if (SDL_TimerInit() < 0) {
              return (-1);
          }
          SDL_initialized |= SDL_INIT_TIMER;
      }
  #else
      if (flags & SDL_INIT_TIMER) {
          SDL_SetError("SDL not built with timer support");
          return (-1);
      }
  #endif
  
  #if !SDL_JOYSTICK_DISABLED
      /* Initialize the joystick subsystem */
      if ((flags & SDL_INIT_JOYSTICK) && !(SDL_initialized & SDL_INIT_JOYSTICK)) {
          if (SDL_JoystickInit() < 0) {
              return (-1);
          }
          SDL_initialized |= SDL_INIT_JOYSTICK;
      }
  #else
      if (flags & SDL_INIT_JOYSTICK) {
          SDL_SetError("SDL not built with joystick support");
          return (-1);
      }
  #endif
  
  #if !SDL_HAPTIC_DISABLED
      /* Initialize the haptic subsystem */
      if ((flags & SDL_INIT_HAPTIC) && !(SDL_initialized & SDL_INIT_HAPTIC)) {
          if (SDL_HapticInit() < 0) {
              return (-1);
          }
          SDL_initialized |= SDL_INIT_HAPTIC;
      }
  #else
      if (flags & SDL_INIT_HAPTIC) {
          SDL_SetError("SDL not built with haptic (force feedback) support");
          return (-1);
      }
  #endif
      return (0);
  }
  
  int
  SDL_Init(Uint32 flags)
  {
      if (SDL_AssertionsInit() < 0) {
          return -1;
      }
  
      /* Clear the error message */
      SDL_ClearError();
  
  #if defined(__WIN32__)
      if (SDL_HelperWindowCreate() < 0) {
          return -1;
      }
  #endif
  
      /* Initialize the desired subsystems */
      if (SDL_InitSubSystem(flags) < 0) {
          return (-1);
      }
  
      /* Everything is initialized */
      if (!(flags & SDL_INIT_NOPARACHUTE)) {
          SDL_InstallParachute();
      }
  
      return (0);
  }
  
  void
  SDL_QuitSubSystem(Uint32 flags)
  {
      /* Shut down requested initialized subsystems */
  #if !SDL_JOYSTICK_DISABLED
      if ((flags & SDL_initialized & SDL_INIT_JOYSTICK)) {
          SDL_JoystickQuit();
          SDL_initialized &= ~SDL_INIT_JOYSTICK;
      }
  #endif
  #if !SDL_HAPTIC_DISABLED
      if ((flags & SDL_initialized & SDL_INIT_HAPTIC)) {
          SDL_HapticQuit();
          SDL_initialized &= ~SDL_INIT_HAPTIC;
      }
  #endif
  #if !SDL_TIMERS_DISABLED
      if ((flags & SDL_initialized & SDL_INIT_TIMER)) {
          SDL_TimerQuit();
          SDL_initialized &= ~SDL_INIT_TIMER;
      }
  #endif
  #if !SDL_AUDIO_DISABLED
      if ((flags & SDL_initialized & SDL_INIT_AUDIO)) {
          SDL_AudioQuit();
          SDL_initialized &= ~SDL_INIT_AUDIO;
      }
  #endif
  #if !SDL_VIDEO_DISABLED
      if ((flags & SDL_initialized & SDL_INIT_VIDEO)) {
          SDL_VideoQuit();
          SDL_initialized &= ~SDL_INIT_VIDEO;
      }
  #endif
  }
  
  Uint32
  SDL_WasInit(Uint32 flags)
  {
      if (!flags) {
          flags = SDL_INIT_EVERYTHING;
      }
      return (SDL_initialized & flags);
  }
  
  void
  SDL_Quit(void)
  {
      /* Quit all subsystems */
  #if defined(__WIN32__)
      SDL_HelperWindowDestroy();
  #endif
      SDL_QuitSubSystem(SDL_INIT_EVERYTHING);
  
      /* Uninstall any parachute signal handlers */
      SDL_UninstallParachute();
  
      SDL_ClearHints();
      SDL_AssertionsQuit();
      SDL_LogResetPriorities();
  }
  
  /* Get the library version number */
  void
  SDL_GetVersion(SDL_version * ver)
  {
      SDL_VERSION(ver);
  }
  
  /* Get the library source revision */
  const char *
  SDL_GetRevision(void)
  {
      return SDL_REVISION;
  }
  
  /* Get the library source revision number */
  int
  SDL_GetRevisionNumber(void)
  {
      return 0;
  }
  
  /* Get the name of the platform */
  const char *
  SDL_GetPlatform()
  {
  #if __AIX__
      return "AIX";
  #elif __HAIKU__
  /* Haiku must appear here before BeOS, since it also defines __BEOS__ */
      return "Haiku";
  #elif __BEOS__
      return "BeOS";
  #elif __BSDI__
      return "BSDI";
  #elif __DREAMCAST__
      return "Dreamcast";
  #elif __FREEBSD__
      return "FreeBSD";
  #elif __HPUX__
      return "HP-UX";
  #elif __IRIX__
      return "Irix";
  #elif __LINUX__
      return "Linux";
  #elif __MINT__
      return "Atari MiNT";
  #elif __MACOS__
      return "MacOS Classic";
  #elif __MACOSX__
      return "Mac OS X";
  #elif __NETBSD__
      return "NetBSD";
  #elif __NDS__
      return "Nintendo DS";
  #elif __OPENBSD__
      return "OpenBSD";
  #elif __OS2__
      return "OS/2";
  #elif __OSF__
      return "OSF/1";
  #elif __QNXNTO__
      return "QNX Neutrino";
  #elif __RISCOS__
      return "RISC OS";
  #elif __SOLARIS__
      return "Solaris";
  #elif __WIN32__
  #ifdef _WIN32_WCE
      return "Windows CE";
  #else
      return "Windows";
  #endif
  #elif __IPHONEOS__
      return "iPhone OS";
  #else
      return "Unknown (see SDL_platform.h)";
  #endif
  }
  
  #if defined(__WIN32__)
  
  #if !defined(HAVE_LIBC) || (defined(__WATCOMC__) && defined(BUILD_DLL))
  /* Need to include DllMain() on Watcom C for some reason.. */
  #include "core/windows/SDL_windows.h"
  
  BOOL APIENTRY
  _DllMainCRTStartup(HANDLE hModule,
                     DWORD ul_reason_for_call, LPVOID lpReserved)
  {
      switch (ul_reason_for_call) {
      case DLL_PROCESS_ATTACH:
      case DLL_THREAD_ATTACH:
      case DLL_THREAD_DETACH:
      case DLL_PROCESS_DETACH:
          break;
      }
      return TRUE;
  }
  #endif /* building DLL with Watcom C */
  
  #endif /* __WIN32__ */
  
  /* vi: set ts=4 sw=4 expandtab: */
  