[MLton-user] Feature request: MLton.Pointer
jhr at cs.uchicago.edu
Thu Jun 5 09:35:32 PDT 2008
Is the C_Size structure documented? A search on mlton.org did not turn
up any information.
On Jun 5, 2008, at 12:29 PM, Matthew Fluet wrote:
> On Mon, 2 Jun 2008, John Reppy wrote:
>> The MLton.Pointer structure should have
>> val sizeofPtr : word
>> so that one can allocate arrays of pointers in the C heap.
> Sounds reasonable.
> BTW, for importing "malloc", you should use
> _import "malloc": C_Size.word -> MLton.Pointer.t;
> rather than
> _import "malloc": Word32.word -> MLton.Pointer.t;
> to pass the appropriately sized 'size_t' object on 32-bit and 64-bit
> The "structure C_Size : WORD" is available from "$(SML_LIB)/basis/c-
> You could also use C_Size.wordSize to compute the sizeof a pointer
> (MLton asserts that sizeof(void*) == sizeof(size_t) and CHAR_BIT ==
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