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Diffstat (limited to 'dependencies/SDL/SDL_loadso.h')
-rw-r--r-- | dependencies/SDL/SDL_loadso.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/dependencies/SDL/SDL_loadso.h b/dependencies/SDL/SDL_loadso.h new file mode 100644 index 0000000..61857c8 --- /dev/null +++ b/dependencies/SDL/SDL_loadso.h @@ -0,0 +1,115 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org> + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ + +/** + * \file SDL_loadso.h + * + * System dependent library loading routines + * + * Some things to keep in mind: + * \li These functions only work on C function names. Other languages may + * have name mangling and intrinsic language support that varies from + * compiler to compiler. + * \li 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. + * \li 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 + +/** + * Dynamically load a shared object. + * + * \param sofile a system-dependent name of the object file + * \returns an opaque pointer to the object handle or NULL if there was an + * error; call SDL_GetError() for more information. + * + * \since This function is available since SDL 2.0.0. + * + * \sa SDL_LoadFunction + * \sa SDL_UnloadObject + */ +extern DECLSPEC void *SDLCALL SDL_LoadObject(const char *sofile); + +/** + * Look up the address of the named function in a shared object. + * + * This function pointer is no longer valid after calling SDL_UnloadObject(). + * + * This function can only look up 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. + * + * If the requested function doesn't exist, NULL is returned. + * + * \param handle a valid shared object handle returned by SDL_LoadObject() + * \param name the name of the function to look up + * \returns a pointer to the function or NULL if there was an error; call + * SDL_GetError() for more information. + * + * \since This function is available since SDL 2.0.0. + * + * \sa SDL_LoadObject + * \sa SDL_UnloadObject + */ +extern DECLSPEC void *SDLCALL SDL_LoadFunction(void *handle, + const char *name); + +/** + * Unload a shared object from memory. + * + * \param handle a valid shared object handle returned by SDL_LoadObject() + * + * \since This function is available since SDL 2.0.0. + * + * \sa SDL_LoadFunction + * \sa SDL_LoadObject + */ +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_ */ + +/* vi: set ts=4 sw=4 expandtab: */ |