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SDL_calloc_func

Type Alias SDL_calloc_func 

Source
pub type SDL_calloc_func = Option<unsafe extern "C" fn(nmemb: usize, size: usize) -> *mut c_void>;
Expand description

A callback used to implement SDL_calloc().

SDL will always ensure that the passed nmemb and size are both greater than 0.

§Parameters

  • nmemb: the number of elements in the array.
  • size: the size of each element of the array.

§Return value

Returns a pointer to the allocated array, or NULL if allocation failed.

§Thread safety

It should be safe to call this callback from any thread.

§Availability

This datatype is available since SDL 3.2.0.

§See also

Aliased Type§

pub enum SDL_calloc_func {
    None,
    Some(unsafe extern "C" fn(usize, usize) -> *mut c_void),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(usize, usize) -> *mut c_void)

Some value of type T.