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


Replace SDL's memory allocation functions with a custom set


int SDL_SetMemoryFunctions(SDL_malloc_func malloc_func,
                           SDL_calloc_func calloc_func,
                           SDL_realloc_func realloc_func,
                           SDL_free_func free_func);

Function Parameters

malloc_func custom malloc function
calloc_func custom calloc function
realloc_func custom realloc function
free_func custom free function

Return Value

Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.


This function is available since SDL 3.0.0.


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