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annotate src/loadso/dlopen/SDL_sysloadso.c @ 1361:19418e4422cb

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New configure-based build system. Still work in progress, but much improved
author Sam Lantinga <slouken@libsdl.org>
date Thu, 16 Feb 2006 10:11:48 +0000
parents
children c0a74f199ecf
rev   line source
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
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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
19418e4422cb New configure-based build system. Still work in progress, but much improved
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4
19418e4422cb New configure-based build system. Still work in progress, but much improved
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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
19418e4422cb New configure-based build system. Still work in progress, but much improved
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7 License as published by the Free Software Foundation; either
19418e4422cb New configure-based build system. Still work in progress, but much improved
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8 version 2.1 of the License, or (at your option) any later version.
19418e4422cb New configure-based build system. Still work in progress, but much improved
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9
19418e4422cb New configure-based build system. Still work in progress, but much improved
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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
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.
19418e4422cb New configure-based build system. Still work in progress, but much improved
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14
19418e4422cb New configure-based build system. Still work in progress, but much improved
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15 You should have received a copy of the GNU Lesser General Public
19418e4422cb New configure-based build system. Still work in progress, but much improved
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16 License along with this library; if not, write to the Free Software
19418e4422cb New configure-based build system. Still work in progress, but much improved
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19418e4422cb New configure-based build system. Still work in progress, but much improved
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18
19418e4422cb New configure-based build system. Still work in progress, but much improved
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19 Sam Lantinga
19418e4422cb New configure-based build system. Still work in progress, but much improved
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20 slouken@libsdl.org
19418e4422cb New configure-based build system. Still work in progress, but much improved
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21 */
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22
19418e4422cb New configure-based build system. Still work in progress, but much improved
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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 #include <stdio.h>
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27 #include <dlfcn.h>
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28
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29 #include "SDL_loadso.h"
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30
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31 void *SDL_LoadObject(const char *sofile)
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32 {
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33 void *handle = dlopen(sofile, RTLD_NOW);
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34 const char *loaderror = (char *)dlerror();
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35 if ( handle == NULL ) {
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36 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
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37 }
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38 return(handle);
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39 }
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40
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41 void *SDL_LoadFunction(void *handle, const char *name)
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42 {
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43 void *symbol = dlsym(handle, name);
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44 if ( symbol == NULL ) {
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45 char *_name = SDL_stack_alloc(char, 1+SDL_strlen(name)+1);
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46 _name[0] = '_';
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47 SDL_strcpy(&_name[1], name);
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48 symbol = dlsym(handle, name);
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49 SDL_stack_free(_name);
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50 if ( symbol == NULL ) {
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51 SDL_SetError("Failed loading %s: %s", name, (const char *)dlerror());
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52 }
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53 }
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54 return(symbol);
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55 }
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56
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57 void SDL_UnloadObject(void *handle)
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58 {
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59 if ( handle != NULL ) {
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60 dlclose(handle);
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61 }
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62 }
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63