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annotate src/loadso/dlopen/SDL_loadso.c @ 1358:c71e05b4dc2e

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More header massaging... works great on Windows. ;-)
author Sam Lantinga <slouken@libsdl.org>
date Fri, 10 Feb 2006 06:48:43 +0000
parents c9b51268668f
children
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 /* System dependent library loading routines */
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25
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26 #if !SDL_INTERNAL_BUILDING_LOADSO
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27 #error Do not compile directly...compile src/SDL_loadso.c instead!
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28 #endif
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29
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30 #if !defined(USE_DLOPEN)
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31 #error Compiling for the wrong platform?
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32 #endif
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33
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34 #include <stdio.h>
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35 #include <dlfcn.h>
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36
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37 #include "SDL_loadso.h"
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38
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39 void *SDL_LoadObject(const char *sofile)
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40 {
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41 void *handle = dlopen(sofile, RTLD_NOW);
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42 const char *loaderror = (char *)dlerror();
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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 = dlsym(handle, name);
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52 if ( symbol == NULL ) {
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53 SDL_SetError("Failed loading %s: %s", name, (const char *)dlerror());
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54 }
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55 return(symbol);
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56 }
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57
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58 void SDL_UnloadObject(void *handle)
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59 {
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60 if ( handle != NULL ) {
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61 dlclose(handle);
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62 }
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63 }
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64