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annotate src/loadso/beos/SDL_sysloadso.c @ 1635:92947e3a18db

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Make sure code is only compiled if the appropriate subsystem is enabled
author Sam Lantinga <slouken@libsdl.org>
date Fri, 14 Apr 2006 04:46:47 +0000
parents d910939febfa
children 782fd950bd46 c121d94672cb 5a20cffc7027
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
19418e4422cb New configure-based build system. Still work in progress, but much improved
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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,
19418e4422cb New configure-based build system. Still work in progress, but much improved
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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 */
1402
d910939febfa Use consistent identifiers for the various platforms we support.
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22 #include "SDL_config.h"
1361
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23
1635
92947e3a18db Make sure code is only compiled if the appropriate subsystem is enabled
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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 *SDL_LoadObject(const char *sofile)
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35 {
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36 void *handle = NULL;
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37 const char *loaderror = "Unknown error";
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38 image_id library_id = load_add_on(sofile);
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39 if ( library_id == B_ERROR ) {
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40 loaderror = "BeOS error";
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41 } else {
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42 handle = (void *)(library_id);
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43 }
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44
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45 if ( handle == NULL ) {
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46 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
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47 }
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48 return(handle);
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49 }
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50
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51 void *SDL_LoadFunction(void *handle, const char *name)
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52 {
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53 void *symbol = NULL;
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54 const char *loaderror = "Unknown error";
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55 image_id library_id = (image_id)handle;
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56 if ( get_image_symbol(library_id,
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57 name, B_SYMBOL_TYPE_TEXT, &symbol) != B_NO_ERROR ) {
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58 loaderror = "Symbol not found";
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59 }
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60
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61 if ( symbol == NULL ) {
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62 SDL_SetError("Failed loading %s: %s", name, loaderror);
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63 }
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64 return(symbol);
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65 }
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66
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67 void SDL_UnloadObject(void *handle)
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68 {
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69 image_id library_id;
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70 if ( handle != NULL ) {
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71 library_id = (image_id)handle;
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72 unload_add_on(library_id);
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73 }
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74 }
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75
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76 #endif /* SDL_LOADSO_BEOS */