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101 lines
3.2 KiB
C
101 lines
3.2 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/**
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* \file SDL_guid.h
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*
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* Include file for handling ::SDL_GUID values.
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*/
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#ifndef SDL_guid_h_
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#define SDL_guid_h_
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#include <SDL3/SDL_stdinc.h>
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#include <SDL3/SDL_error.h>
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#include <SDL3/SDL_begin_code.h>
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* An SDL_GUID is a 128-bit identifier for an input device that
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* identifies that device across runs of SDL programs on the same
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* platform. If the device is detached and then re-attached to a
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* different port, or if the base system is rebooted, the device
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* should still report the same GUID.
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*
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* GUIDs are as precise as possible but are not guaranteed to
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* distinguish physically distinct but equivalent devices. For
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* example, two game controllers from the same vendor with the same
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* product ID and revision may have the same GUID.
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*
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* GUIDs may be platform-dependent (i.e., the same device may report
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* different GUIDs on different operating systems).
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*/
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typedef struct {
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Uint8 data[16];
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} SDL_GUID;
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/* Function prototypes */
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/**
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* Get an ASCII string representation for a given ::SDL_GUID.
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*
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* You should supply at least 33 bytes for pszGUID.
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*
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* \param guid the ::SDL_GUID you wish to convert to string
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* \param pszGUID buffer in which to write the ASCII string
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* \param cbGUID the size of pszGUID
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* \returns 0 on success or a negative error code on failure; call
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* SDL_GetError() for more information.
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*
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* \since This function is available since SDL 3.0.0.
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*
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* \sa SDL_GUIDFromString
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*/
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extern DECLSPEC int SDLCALL SDL_GUIDToString(SDL_GUID guid, char *pszGUID, int cbGUID);
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/**
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* Convert a GUID string into a ::SDL_GUID structure.
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*
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* Performs no error checking. If this function is given a string containing
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* an invalid GUID, the function will silently succeed, but the GUID generated
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* will not be useful.
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*
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* \param pchGUID string containing an ASCII representation of a GUID
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* \returns a ::SDL_GUID structure.
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*
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* \since This function is available since SDL 3.0.0.
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*
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* \sa SDL_GUIDToString
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*/
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extern DECLSPEC SDL_GUID SDLCALL SDL_GUIDFromString(const char *pchGUID);
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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}
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#endif
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#include <SDL3/SDL_close_code.h>
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#endif /* SDL_guid_h_ */
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