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

SDL_SetMemoryFunctions

Replace SDL's memory allocation functions with a custom set.

Header File

Defined in SDL_stdinc.h, but apps should use #include <SDL3/SDL.h>

Syntax

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.

Version

This function is available since SDL 3.0.0.

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CategoryAPI, CategoryAPIFunction

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