a258df05a0
(But what if this finds the wrong symbol? We really should make this a ./configure test and only do one dlsym or the other depending on the platform...) Reference Bugzilla #354. --ryan. --HG-- branch : SDL-1.2 extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/branches/SDL-1.2%402255
69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifdef SDL_LOADSO_DLOPEN
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/* System dependent library loading routines */
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#include <stdio.h>
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#include <dlfcn.h>
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#include "SDL_loadso.h"
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void *SDL_LoadObject(const char *sofile)
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{
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void *handle = dlopen(sofile, RTLD_NOW);
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const char *loaderror = (char *)dlerror();
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if ( handle == NULL ) {
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SDL_SetError("Failed loading %s: %s", sofile, loaderror);
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}
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return(handle);
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}
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void *SDL_LoadFunction(void *handle, const char *name)
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{
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void *symbol = dlsym(handle, name);
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if ( symbol == NULL ) {
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/* append an underscore for platforms that need that. */
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size_t len = 1+SDL_strlen(name)+1;
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char *_name = SDL_stack_alloc(char, len);
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_name[0] = '_';
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SDL_strlcpy(&_name[1], name, len);
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symbol = dlsym(handle, _name);
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SDL_stack_free(_name);
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if ( symbol == NULL ) {
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SDL_SetError("Failed loading %s: %s", name, (const char *)dlerror());
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}
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}
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return(symbol);
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}
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void SDL_UnloadObject(void *handle)
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{
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if ( handle != NULL ) {
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dlclose(handle);
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}
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}
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#endif /* SDL_LOADSO_DLOPEN */
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