diff src/SDL.c @ 1895:c121d94672cb

SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 10 Jul 2006 21:04:37 +0000
parents dc6b59e925a2
children 8f1ab2f7c722
line wrap: on
line diff
--- a/src/SDL.c	Thu Jul 06 18:01:37 2006 +0000
+++ b/src/SDL.c	Mon Jul 10 21:04:37 2006 +0000
@@ -35,23 +35,19 @@
 
 /* Initialization/Cleanup routines */
 #if !SDL_JOYSTICK_DISABLED
-extern int  SDL_JoystickInit(void);
+extern int SDL_JoystickInit(void);
 extern void SDL_JoystickQuit(void);
 #endif
 #if !SDL_CDROM_DISABLED
-extern int  SDL_CDROMInit(void);
+extern int SDL_CDROMInit(void);
 extern void SDL_CDROMQuit(void);
 #endif
 #if !SDL_TIMERS_DISABLED
 extern void SDL_StartTicks(void);
-extern int  SDL_TimerInit(void);
+extern int SDL_TimerInit(void);
 extern void SDL_TimerQuit(void);
 #endif
 
-/* The current SDL version */
-static SDL_version version = 
-	{ SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL };
-
 /* The initialized subsystems */
 static Uint32 SDL_initialized = 0;
 static Uint32 ticks_started = 0;
@@ -60,196 +56,205 @@
 int surfaces_allocated = 0;
 #endif
 
-int SDL_InitSubSystem(Uint32 flags)
+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(SDL_getenv("SDL_VIDEODRIVER"),
-		                   (flags&SDL_INIT_EVENTTHREAD)) < 0 ) {
-			return(-1);
-		}
-		SDL_initialized |= SDL_INIT_VIDEO;
-	}
+    /* Initialize the video/event subsystem */
+    if ((flags & SDL_INIT_VIDEO) && !(SDL_initialized & SDL_INIT_VIDEO)) {
+        if (SDL_VideoInit(SDL_getenv("SDL_VIDEODRIVER"),
+                          (flags & SDL_INIT_EVENTTHREAD)) < 0) {
+            return (-1);
+        }
+        SDL_initialized |= SDL_INIT_VIDEO;
+    }
 #else
-	if ( flags & SDL_INIT_VIDEO ) {
-		SDL_SetError("SDL not built with video support");
-		return(-1);
-	}
+    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(SDL_getenv("SDL_AUDIODRIVER")) < 0 ) {
-			return(-1);
-		}
-		SDL_initialized |= SDL_INIT_AUDIO;
-	}
+    /* Initialize the audio subsystem */
+    if ((flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO)) {
+        if (SDL_AudioInit(SDL_getenv("SDL_AUDIODRIVER")) < 0) {
+            return (-1);
+        }
+        SDL_initialized |= SDL_INIT_AUDIO;
+    }
 #else
-	if ( flags & SDL_INIT_AUDIO ) {
-		SDL_SetError("SDL not built with audio support");
-		return(-1);
-	}
+    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;
-	}
+    /* 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);
-	}
+    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;
-	}
+    /* 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);
-	}
+    if (flags & SDL_INIT_JOYSTICK) {
+        SDL_SetError("SDL not built with joystick support");
+        return (-1);
+    }
 #endif
 
 #if !SDL_CDROM_DISABLED
-	/* Initialize the CD-ROM subsystem */
-	if ( (flags & SDL_INIT_CDROM) && !(SDL_initialized & SDL_INIT_CDROM) ) {
-		if ( SDL_CDROMInit() < 0 ) {
-			return(-1);
-		}
-		SDL_initialized |= SDL_INIT_CDROM;
-	}
+    /* Initialize the CD-ROM subsystem */
+    if ((flags & SDL_INIT_CDROM) && !(SDL_initialized & SDL_INIT_CDROM)) {
+        if (SDL_CDROMInit() < 0) {
+            return (-1);
+        }
+        SDL_initialized |= SDL_INIT_CDROM;
+    }
 #else
-	if ( flags & SDL_INIT_CDROM ) {
-		SDL_SetError("SDL not built with cdrom support");
-		return(-1);
-	}
+    if (flags & SDL_INIT_CDROM) {
+        SDL_SetError("SDL not built with cdrom support");
+        return (-1);
+    }
 #endif
-	return(0);
+    return (0);
 }
 
-int SDL_Init(Uint32 flags)
+int
+SDL_Init(Uint32 flags)
 {
 #if !SDL_THREADS_DISABLED && SDL_THREAD_PTH
-	if (!pth_init()) {
-		return -1;
-	}
+    if (!pth_init()) {
+        return -1;
+    }
 #endif
 
-	/* Clear the error message */
-	SDL_ClearError();
+    /* Clear the error message */
+    SDL_ClearError();
 
-	/* Initialize the desired subsystems */
-	if ( SDL_InitSubSystem(flags) < 0 ) {
-		return(-1);
-	}
+    /* Initialize the desired subsystems */
+    if (SDL_InitSubSystem(flags) < 0) {
+        return (-1);
+    }
 
-	/* Everything is initialized */
-	if ( !(flags & SDL_INIT_NOPARACHUTE) ) {
-		SDL_InstallParachute();
-	}
-	return(0);
+    /* Everything is initialized */
+    if (!(flags & SDL_INIT_NOPARACHUTE)) {
+        SDL_InstallParachute();
+    }
+    return (0);
 }
 
-void SDL_QuitSubSystem(Uint32 flags)
+void
+SDL_QuitSubSystem(Uint32 flags)
 {
-	/* Shut down requested initialized subsystems */
+    /* Shut down requested initialized subsystems */
 #if !SDL_CDROM_DISABLED
-	if ( (flags & SDL_initialized & SDL_INIT_CDROM) ) {
-		SDL_CDROMQuit();
-		SDL_initialized &= ~SDL_INIT_CDROM;
-	}
+    if ((flags & SDL_initialized & SDL_INIT_CDROM)) {
+        SDL_CDROMQuit();
+        SDL_initialized &= ~SDL_INIT_CDROM;
+    }
 #endif
 #if !SDL_JOYSTICK_DISABLED
-	if ( (flags & SDL_initialized & SDL_INIT_JOYSTICK) ) {
-		SDL_JoystickQuit();
-		SDL_initialized &= ~SDL_INIT_JOYSTICK;
-	}
+    if ((flags & SDL_initialized & SDL_INIT_JOYSTICK)) {
+        SDL_JoystickQuit();
+        SDL_initialized &= ~SDL_INIT_JOYSTICK;
+    }
 #endif
 #if !SDL_TIMERS_DISABLED
-	if ( (flags & SDL_initialized & SDL_INIT_TIMER) ) {
-		SDL_TimerQuit();
-		SDL_initialized &= ~SDL_INIT_TIMER;
-	}
+    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;
-	}
+    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;
-	}
+    if ((flags & SDL_initialized & SDL_INIT_VIDEO)) {
+        SDL_VideoQuit();
+        SDL_initialized &= ~SDL_INIT_VIDEO;
+    }
 #endif
 }
 
-Uint32 SDL_WasInit(Uint32 flags)
+Uint32
+SDL_WasInit(Uint32 flags)
 {
-	if ( ! flags ) {
-		flags = SDL_INIT_EVERYTHING;
-	}
-	return (SDL_initialized&flags);
+    if (!flags) {
+        flags = SDL_INIT_EVERYTHING;
+    }
+    return (SDL_initialized & flags);
 }
 
-void SDL_Quit(void)
+void
+SDL_Quit(void)
 {
-	/* Quit all subsystems */
+    /* Quit all subsystems */
 #ifdef DEBUG_BUILD
-  printf("[SDL_Quit] : Enter! Calling QuitSubSystem()\n"); fflush(stdout);
+    printf("[SDL_Quit] : Enter! Calling QuitSubSystem()\n");
+    fflush(stdout);
 #endif
-	SDL_QuitSubSystem(SDL_INIT_EVERYTHING);
+    SDL_QuitSubSystem(SDL_INIT_EVERYTHING);
 
 #ifdef CHECK_LEAKS
 #ifdef DEBUG_BUILD
-  printf("[SDL_Quit] : CHECK_LEAKS\n"); fflush(stdout);
+    printf("[SDL_Quit] : CHECK_LEAKS\n");
+    fflush(stdout);
 #endif
 
-	/* Print the number of surfaces not freed */
-	if ( surfaces_allocated != 0 ) {
-		fprintf(stderr, "SDL Warning: %d SDL surfaces extant\n", 
-							surfaces_allocated);
-	}
+    /* Print the number of surfaces not freed */
+    if (surfaces_allocated != 0) {
+        fprintf(stderr, "SDL Warning: %d SDL surfaces extant\n",
+                surfaces_allocated);
+    }
 #endif
 #ifdef DEBUG_BUILD
-  printf("[SDL_Quit] : SDL_UninstallParachute()\n"); fflush(stdout);
+    printf("[SDL_Quit] : SDL_UninstallParachute()\n");
+    fflush(stdout);
 #endif
 
-	/* Uninstall any parachute signal handlers */
-	SDL_UninstallParachute();
+    /* Uninstall any parachute signal handlers */
+    SDL_UninstallParachute();
 
 #if !SDL_THREADS_DISABLED && SDL_THREAD_PTH
-	pth_kill();
+    pth_kill();
 #endif
 #ifdef DEBUG_BUILD
-  printf("[SDL_Quit] : Returning!\n"); fflush(stdout);
+    printf("[SDL_Quit] : Returning!\n");
+    fflush(stdout);
 #endif
 
 }
 
-/* Return the library version number */
-const SDL_version * SDL_Linked_Version(void)
+/* Get the library version number */
+void
+SDL_GetVersion(SDL_version * ver)
 {
-	return(&version);
+    SDL_VERSION(ver);
 }
 
 #if defined(__OS2__)
@@ -261,65 +266,63 @@
 #include <os2.h>
 
 /* Exception handler to prevent the Audio thread hanging, making a zombie process! */
-ULONG _System SDL_Main_ExceptionHandler(PEXCEPTIONREPORTRECORD pERepRec,
-                                        PEXCEPTIONREGISTRATIONRECORD pERegRec,
-                                        PCONTEXTRECORD pCtxRec,
-                                        PVOID p)
+ULONG _System
+SDL_Main_ExceptionHandler(PEXCEPTIONREPORTRECORD pERepRec,
+                          PEXCEPTIONREGISTRATIONRECORD pERegRec,
+                          PCONTEXTRECORD pCtxRec, PVOID p)
 {
-  if (pERepRec->fHandlerFlags & EH_EXIT_UNWIND)
-    return XCPT_CONTINUE_SEARCH;
-  if (pERepRec->fHandlerFlags & EH_UNWINDING)
-    return XCPT_CONTINUE_SEARCH;
-  if (pERepRec->fHandlerFlags & EH_NESTED_CALL)
-    return XCPT_CONTINUE_SEARCH;
+    if (pERepRec->fHandlerFlags & EH_EXIT_UNWIND)
+        return XCPT_CONTINUE_SEARCH;
+    if (pERepRec->fHandlerFlags & EH_UNWINDING)
+        return XCPT_CONTINUE_SEARCH;
+    if (pERepRec->fHandlerFlags & EH_NESTED_CALL)
+        return XCPT_CONTINUE_SEARCH;
 
-  /* Do cleanup at every fatal exception! */
-  if (((pERepRec->ExceptionNum & XCPT_SEVERITY_CODE) == XCPT_FATAL_EXCEPTION) &&
-      (pERepRec->ExceptionNum != XCPT_BREAKPOINT) &&
-      (pERepRec->ExceptionNum != XCPT_SINGLE_STEP)
-     )
-  {
-    if (SDL_initialized & SDL_INIT_AUDIO)
-    {
-      /* This removes the zombie audio thread in case of emergency. */
+    /* Do cleanup at every fatal exception! */
+    if (((pERepRec->ExceptionNum & XCPT_SEVERITY_CODE) ==
+         XCPT_FATAL_EXCEPTION) && (pERepRec->ExceptionNum != XCPT_BREAKPOINT)
+        && (pERepRec->ExceptionNum != XCPT_SINGLE_STEP)) {
+        if (SDL_initialized & SDL_INIT_AUDIO) {
+            /* This removes the zombie audio thread in case of emergency. */
 #ifdef DEBUG_BUILD
-      printf("[SDL_Main_ExceptionHandler] : Calling SDL_CloseAudio()!\n");
+            printf
+                ("[SDL_Main_ExceptionHandler] : Calling SDL_CloseAudio()!\n");
 #endif
-      SDL_CloseAudio();
+            SDL_CloseAudio();
+        }
     }
-  }
-  return (XCPT_CONTINUE_SEARCH);
+    return (XCPT_CONTINUE_SEARCH);
 }
 
 
-EXCEPTIONREGISTRATIONRECORD SDL_Main_xcpthand = {0, SDL_Main_ExceptionHandler};
+EXCEPTIONREGISTRATIONRECORD SDL_Main_xcpthand =
+    { 0, SDL_Main_ExceptionHandler };
 
 /* The main DLL entry for DLL Initialization and Uninitialization: */
-unsigned _System LibMain(unsigned hmod, unsigned termination)
+unsigned _System
+LibMain(unsigned hmod, unsigned termination)
 {
-  if (termination)
-  {
+    if (termination) {
 #ifdef DEBUG_BUILD
 /*    printf("[SDL DLL Unintialization] : Removing exception handler\n"); */
 #endif
-    DosUnsetExceptionHandler(&SDL_Main_xcpthand);
-    return 1;
-  } else
-  {
+        DosUnsetExceptionHandler(&SDL_Main_xcpthand);
+        return 1;
+    } else {
 #ifdef DEBUG_BUILD
-    /* Make stdout and stderr unbuffered! */
-    setbuf(stdout, NULL);
-    setbuf(stderr, NULL);
+        /* Make stdout and stderr unbuffered! */
+        setbuf(stdout, NULL);
+        setbuf(stderr, NULL);
 #endif
-    /* Fire up exception handler */
+        /* Fire up exception handler */
 #ifdef DEBUG_BUILD
 /*    printf("[SDL DLL Initialization] : Setting exception handler\n"); */
 #endif
-    /* Set exception handler */
-    DosSetExceptionHandler(&SDL_Main_xcpthand);
+        /* Set exception handler */
+        DosSetExceptionHandler(&SDL_Main_xcpthand);
 
-    return 1;
-  }
+        return 1;
+    }
 }
 #endif /* __WATCOMC__ */
 
@@ -330,19 +333,21 @@
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 
-BOOL APIENTRY _DllMainCRTStartup( HANDLE hModule, 
-                       DWORD  ul_reason_for_call, 
-                       LPVOID lpReserved )
+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;
+    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 /* OS/2 elif __WIN32__ */
+
+/* vi: set ts=4 sw=4 expandtab: */