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authorFox Caminiti <fox@foxcam.net>2022-12-18 20:00:47 -0500
committerFox Caminiti <fox@foxcam.net>2022-12-18 20:00:47 -0500
commit4854647d659f75ac6cf4575b61d1dcfd25865791 (patch)
tree3296bdfa30fa76688844755b37094753ea82d033 /dependencies/SDL/SDL_loadso.h
parentbedd6906eabdd513042d6a178d4dc56a3a41d1d3 (diff)
lazy
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+/*
+ 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: */