SDL_loadso.h
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上传日期:2022-06-22
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- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2006 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
- */
- /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
- /* System dependent library loading routines */
- /* Some things to keep in mind:
- - These functions only work on C function names. Other languages may
- have name mangling and intrinsic language support that varies from
- compiler to compiler.
- - Make sure you declare your function pointers with the same calling
- convention as the actual library function. Your code will crash
- mysteriously if you do not do this.
- - Avoid namespace collisions. If you load a symbol from the library,
- it is not defined whether or not it goes into the global symbol
- namespace for the application. If it does and it conflicts with
- symbols in your code or other shared libraries, you will not get
- the results you expect. :)
- */
- #ifndef _SDL_loadso_h
- #define _SDL_loadso_h
- #include "SDL_stdinc.h"
- #include "SDL_error.h"
- #include "begin_code.h"
- /* Set up for C function definitions, even when using C++ */
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* This function dynamically loads a shared object and returns a pointer
- * to the object handle (or NULL if there was an error).
- * The 'sofile' parameter is a system dependent name of the object file.
- */
- extern DECLSPEC void * SDLCALL SDL_LoadObject(const char *sofile);
- /* Given an object handle, this function looks up the address of the
- * named function in the shared object and returns it. This address
- * is no longer valid after calling SDL_UnloadObject().
- */
- extern DECLSPEC void * SDLCALL SDL_LoadFunction(void *handle, const char *name);
- /* Unload a shared object from memory */
- extern DECLSPEC void SDLCALL SDL_UnloadObject(void *handle);
- /* Ends C function definitions when using C++ */
- #ifdef __cplusplus
- }
- #endif
- #include "close_code.h"
- #endif /* _SDL_loadso_h */