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annotate src/loadso/beos/SDL_sysloadso.c @ 1563:b054590b967a

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author Sam Lantinga <slouken@libsdl.org>
date Tue, 21 Mar 2006 06:54:24 +0000
parents d910939febfa
children 92947e3a18db
rev   line source
1361
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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
19418e4422cb New configure-based build system. Still work in progress, but much improved
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19418e4422cb New configure-based build system. Still work in progress, but much improved
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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 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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25 /* System dependent library loading routines */
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26
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27 #include <stdio.h>
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28 #include <be/kernel/image.h>
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29
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30 #include "SDL_loadso.h"
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31
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32 void *SDL_LoadObject(const char *sofile)
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33 {
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34 void *handle = NULL;
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35 const char *loaderror = "Unknown error";
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36 image_id library_id = load_add_on(sofile);
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37 if ( library_id == B_ERROR ) {
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38 loaderror = "BeOS error";
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39 } else {
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40 handle = (void *)(library_id);
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41 }
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42
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43 if ( handle == NULL ) {
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44 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
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45 }
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46 return(handle);
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47 }
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48
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49 void *SDL_LoadFunction(void *handle, const char *name)
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50 {
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51 void *symbol = NULL;
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52 const char *loaderror = "Unknown error";
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53 image_id library_id = (image_id)handle;
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54 if ( get_image_symbol(library_id,
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55 name, B_SYMBOL_TYPE_TEXT, &symbol) != B_NO_ERROR ) {
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56 loaderror = "Symbol not found";
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57 }
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58
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59 if ( symbol == NULL ) {
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60 SDL_SetError("Failed loading %s: %s", name, loaderror);
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61 }
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62 return(symbol);
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63 }
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64
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65 void SDL_UnloadObject(void *handle)
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66 {
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67 image_id library_id;
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68 if ( handle != NULL ) {
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69 library_id = (image_id)handle;
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70 unload_add_on(library_id);
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71 }
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72 }
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73