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annotate src/loadso/beos/SDL_sysloadso.c @ 2067:dcdb175c2829

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Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
author Ryan C. Gordon <icculus@icculus.org>
date Tue, 07 Nov 2006 14:36:47 +0000
parents c121d94672cb
children 8d4c2498bb72
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 #include "SDL_config.h"
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23
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24 #ifdef SDL_LOADSO_BEOS
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25
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26 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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27 /* System dependent library loading routines */
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28
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29 #include <stdio.h>
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30 #include <be/kernel/image.h>
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31
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32 #include "SDL_loadso.h"
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33
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34 void *
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35 SDL_LoadObject(const char *sofile)
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36 {
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37 void *handle = NULL;
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38 const char *loaderror = "Unknown error";
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39 image_id library_id = load_add_on(sofile);
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40 if (library_id == B_ERROR) {
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41 loaderror = "BeOS error";
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42 } else {
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43 handle = (void *) (library_id);
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44 }
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45
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46 if (handle == NULL) {
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47 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
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48 }
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49 return (handle);
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50 }
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51
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52 void *
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53 SDL_LoadFunction(void *handle, const char *name)
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54 {
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55 void *symbol = NULL;
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56 const char *loaderror = "Unknown error";
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57 image_id library_id = (image_id) handle;
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58 if (get_image_symbol(library_id,
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59 name, B_SYMBOL_TYPE_TEXT, &symbol) != B_NO_ERROR) {
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60 loaderror = "Symbol not found";
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61 }
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62
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63 if (symbol == NULL) {
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64 SDL_SetError("Failed loading %s: %s", name, loaderror);
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65 }
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66 return (symbol);
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67 }
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68
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69 void
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70 SDL_UnloadObject(void *handle)
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71 {
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72 image_id library_id;
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73 if (handle != NULL) {
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74 library_id = (image_id) handle;
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75 unload_add_on(library_id);
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76 }
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77 }
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78
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79 #endif /* SDL_LOADSO_BEOS */
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80 /* vi: set ts=4 sw=4 expandtab: */