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annotate include/SDL_loadso.h @ 294:d2d48e10f370

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Added a new header file: SDL_loadso.h It contains the following functions: SDL_LoadObject(), SDL_LoadFunction(), SDL_UnloadObject() The UNIX esd and arts audio code use these to dynamically load their respective audio libraries.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 06 Mar 2002 05:20:11 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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29 /* System dependent library loading routines */
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30
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31 #ifndef _SDL_loadso_h
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32 #define _SDL_loadso_h
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33
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34 #include "begin_code.h"
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35 /* Set up for C function definitions, even when using C++ */
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36 #ifdef __cplusplus
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37 extern "C" {
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38 #endif
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39
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40 /* This function dynamically loads a shared object and returns a pointer
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41 * to the object handle (or NULL if there was an error).
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42 * The 'sofile' parameter is a system dependent name of the object file.
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43 */
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44 extern DECLSPEC void *SDL_LoadObject(const char *sofile);
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45
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46 /* Given an object handle, this function looks up the address of the
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47 * named function in the shared object and returns it. This address
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48 * is no longer valid after calling SDL_UnloadObject().
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49 */
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50 extern DECLSPEC void *SDL_LoadFunction(void *handle, const char *name);
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51
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52 /* Unload a shared object from memory */
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53 extern DECLSPEC void SDL_UnloadObject(void *handle);
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54
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55 /* Ends C function definitions when using C++ */
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56 #ifdef __cplusplus
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57 }
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58 #endif
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59 #include "close_code.h"
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60
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61 #endif /* _SDL_loadso_h */