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annotate include/SDL_loadso.h @ 2674:f1d07ba2e275 gsoc2008_nds

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Started adding framework for Touchscreen API, based on and (consistent with) the existing Joystick API.
author Darren Alton <dalton@stevens.edu>
date Mon, 23 Jun 2008 11:55:26 +0000
parents c121d94672cb
children 99210400e8b9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 /**
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24 * \file SDL_loadso.h
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25 *
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26 * System dependent library loading routines
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27 *
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28 * Some things to keep in mind:
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29 * - These functions only work on C function names. Other languages may
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30 * have name mangling and intrinsic language support that varies from
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31 * compiler to compiler.
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32 * - Make sure you declare your function pointers with the same calling
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33 * convention as the actual library function. Your code will crash
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34 * mysteriously if you do not do this.
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35 * - Avoid namespace collisions. If you load a symbol from the library,
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36 * it is not defined whether or not it goes into the global symbol
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37 * namespace for the application. If it does and it conflicts with
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38 * symbols in your code or other shared libraries, you will not get
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39 * the results you expect. :)
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40 */
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41
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42 #ifndef _SDL_loadso_h
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43 #define _SDL_loadso_h
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44
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45 #include "SDL_stdinc.h"
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46 #include "SDL_error.h"
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47
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48 #include "begin_code.h"
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49 /* Set up for C function definitions, even when using C++ */
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50 #ifdef __cplusplus
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51 /* *INDENT-OFF* */
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52 extern "C" {
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53 /* *INDENT-ON* */
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54 #endif
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55
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56 /* This function dynamically loads a shared object and returns a pointer
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57 * to the object handle (or NULL if there was an error).
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58 * The 'sofile' parameter is a system dependent name of the object file.
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59 */
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60 extern DECLSPEC void *SDLCALL SDL_LoadObject(const char *sofile);
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62 /* Given an object handle, this function looks up the address of the
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63 * named function in the shared object and returns it. This address
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64 * is no longer valid after calling SDL_UnloadObject().
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65 */
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66 extern DECLSPEC void *SDLCALL SDL_LoadFunction(void *handle,
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67 const char *name);
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68
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69 /* Unload a shared object from memory */
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70 extern DECLSPEC void SDLCALL SDL_UnloadObject(void *handle);
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71
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72 /* Ends C function definitions when using C++ */
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73 #ifdef __cplusplus
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74 /* *INDENT-OFF* */
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75 }
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76 /* *INDENT-ON* */
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77 #endif
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78 #include "close_code.h"
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79
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80 #endif /* _SDL_loadso_h */
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82 /* vi: set ts=4 sw=4 expandtab: */