mirror of
https://github.com/libretro/RetroArch
synced 2024-07-08 20:25:47 +00:00
101 lines
2.3 KiB
C
101 lines
2.3 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "dynamic.h"
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#include "general.h"
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#ifdef NEED_DYNAMIC
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <dlfcn.h>
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#endif
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/**
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* dylib_load:
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* @path : Path to libretro core library.
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*
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* Platform independent dylib loading.
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*
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* Returns: library handle on success, otherwise NULL.
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**/
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dylib_t dylib_load(const char *path)
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{
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#ifdef _WIN32
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dylib_t lib = LoadLibrary(path);
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if (!lib)
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RARCH_ERR("Failed to load library, error code: 0x%x\n",
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(unsigned)GetLastError());
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return lib;
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#else
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dylib_t lib = dlopen(path, RTLD_LAZY);
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if (!lib)
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RARCH_ERR("dylib_load() failed: \"%s\".\n", dlerror());
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return lib;
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#endif
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}
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function_t dylib_proc(dylib_t lib, const char *proc)
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{
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function_t sym;
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void *ptr_sym = NULL;
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(void)ptr_sym;
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#ifdef _WIN32
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sym = (function_t)GetProcAddress(lib ?
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(HMODULE)lib : GetModuleHandle(NULL), proc);
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#else
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if (lib)
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ptr_sym = dlsym(lib, proc);
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else
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{
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void *handle = dlopen(NULL, RTLD_LAZY);
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if (handle)
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{
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ptr_sym = dlsym(handle, proc);
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dlclose(handle);
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}
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}
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/* Dirty hack to workaround the non-legality of
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* (void*) -> fn-pointer casts. */
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memcpy(&sym, &ptr_sym, sizeof(void*));
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#endif
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return sym;
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}
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/**
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* dylib_close:
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* @lib : Library handle.
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*
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* Frees library handle.
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**/
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void dylib_close(dylib_t lib)
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{
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#ifdef _WIN32
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FreeLibrary((HMODULE)lib);
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#else
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#ifndef NO_DLCLOSE
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dlclose(lib);
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#endif
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#endif
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}
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#endif
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