mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-24 08:30:16 +00:00
101 lines
2.3 KiB
C
101 lines
2.3 KiB
C
/* RetroArch - A frontend for libretro.
|
|
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
|
|
* Copyright (C) 2011-2015 - Daniel De Matteis
|
|
*
|
|
* RetroArch is free software: you can redistribute it and/or modify it under the terms
|
|
* of the GNU General Public License as published by the Free Software Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* RetroArch 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with RetroArch.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "dynamic.h"
|
|
#include "general.h"
|
|
|
|
#ifdef NEED_DYNAMIC
|
|
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
#else
|
|
#include <dlfcn.h>
|
|
#endif
|
|
|
|
/**
|
|
* dylib_load:
|
|
* @path : Path to libretro core library.
|
|
*
|
|
* Platform independent dylib loading.
|
|
*
|
|
* Returns: library handle on success, otherwise NULL.
|
|
**/
|
|
dylib_t dylib_load(const char *path)
|
|
{
|
|
#ifdef _WIN32
|
|
dylib_t lib = LoadLibrary(path);
|
|
if (!lib)
|
|
RARCH_ERR("Failed to load library, error code: 0x%x\n",
|
|
(unsigned)GetLastError());
|
|
return lib;
|
|
#else
|
|
dylib_t lib = dlopen(path, RTLD_LAZY);
|
|
if (!lib)
|
|
RARCH_ERR("dylib_load() failed: \"%s\".\n", dlerror());
|
|
return lib;
|
|
#endif
|
|
}
|
|
|
|
function_t dylib_proc(dylib_t lib, const char *proc)
|
|
{
|
|
function_t sym;
|
|
void *ptr_sym = NULL;
|
|
|
|
(void)ptr_sym;
|
|
|
|
#ifdef _WIN32
|
|
sym = (function_t)GetProcAddress(lib ?
|
|
(HMODULE)lib : GetModuleHandle(NULL), proc);
|
|
#else
|
|
if (lib)
|
|
ptr_sym = dlsym(lib, proc);
|
|
else
|
|
{
|
|
void *handle = dlopen(NULL, RTLD_LAZY);
|
|
if (handle)
|
|
{
|
|
ptr_sym = dlsym(handle, proc);
|
|
dlclose(handle);
|
|
}
|
|
}
|
|
|
|
/* Dirty hack to workaround the non-legality of
|
|
* (void*) -> fn-pointer casts. */
|
|
memcpy(&sym, &ptr_sym, sizeof(void*));
|
|
#endif
|
|
|
|
return sym;
|
|
}
|
|
|
|
/**
|
|
* dylib_close:
|
|
* @lib : Library handle.
|
|
*
|
|
* Frees library handle.
|
|
**/
|
|
void dylib_close(dylib_t lib)
|
|
{
|
|
#ifdef _WIN32
|
|
FreeLibrary((HMODULE)lib);
|
|
#else
|
|
#ifndef NO_DLCLOSE
|
|
dlclose(lib);
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
#endif
|