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CFAllocatorAllocateCallBack

A prototype for a function callback that allocates memory of a requested size.

Declaration

typealias CFAllocatorAllocateCallBack = (CFIndex, CFOptionFlags, UnsafeMutableRawPointer?) -> UnsafeMutableRawPointer?

Parameters

  • allocSize:

    This function allocates a block of memory of at least allocSize bytes (always greater than 0).

  • hint:

    A bitfield that is currently not used (always set to 0).

  • info:

    An untyped pointer to program-defined data. Allocate memory for the data and assign a pointer to it. This data is often control information for the allocator. It may be NULL.

Return Value

A pointer to the start of the block.

See Also

Callbacks