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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2012 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#ifdef SDL_LOADSO_DLOPEN
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent library loading routines */
#include <stdio.h>
#include <dlfcn.h>
#include "SDL_loadso.h"
void *SDL_LoadObject(const char *sofile)
{
void *handle = dlopen(sofile, RTLD_NOW);
const char *loaderror = (char *)dlerror();
if ( handle == NULL ) {
SDL_SetError("Failed loading %s: %s", sofile, loaderror);
}
return(handle);
}
void *SDL_LoadFunction(void *handle, const char *name)
{
void *symbol = dlsym(handle, name);
if ( symbol == NULL ) {
/* append an underscore for platforms that need that. */
size_t len = 1+SDL_strlen(name)+1;
char *_name = SDL_stack_alloc(char, len);
_name[0] = '_';
SDL_strlcpy(&_name[1], name, len);
symbol = dlsym(handle, _name);
SDL_stack_free(_name);
if ( symbol == NULL ) {
SDL_SetError("Failed loading %s: %s", name, (const char *)dlerror());
}
}
return(symbol);
}
void SDL_UnloadObject(void *handle)
{
if ( handle != NULL ) {
dlclose(handle);
}
}
#endif /* SDL_LOADSO_DLOPEN */
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