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(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)


Load a set of gamepad mappings from a seekable SDL data stream.


int SDL_AddGamepadMappingsFromRW(SDL_RWops *src, SDL_bool freesrc);

Function Parameters

src the data stream for the mappings to be added
freesrc if SDL_TRUE, calls SDL_RWclose() on src before returning, even in the case of an error

Return Value

Returns the number of mappings added or -1 on error; call SDL_GetError() for more information.


You can call this function several times, if needed, to load different database files.

If a new mapping is loaded for an already known gamepad GUID, the later version will overwrite the one currently loaded.

Mappings not belonging to the current platform or with no platform field specified will be ignored (i.e. mappings for Linux will be ignored in Windows, etc).

This function will load the text database entirely in memory before processing it, so take this into consideration if you are in a memory constrained environment.


This function is available since SDL 3.0.0.


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