Reading the FFI spec and information about stdint.h, it looks like this guarantee holds already -- FFI guarantees that Int<n> and Word<n> will be n bits wide and will operate with 2^n arithmetic. It looks like C99 correspondingly defines the same kind of thing for int<n>_t and uint<n>_t. I guess the only missing piece is there is no specification of the byte order, though I would be surprised if they were not both in host byte order. -Ross On Feb 10, 2009, at 4:20 PM, Bulat Ziganshin wrote:
Hello ,
<citating letter from cafe>
After reading an ISO draft for standard C, I found a few types that could be usefull when binding to libraries (these are from
): int8_t, uint8_t, int16_t, uint16_t, int32_t, uint32_t, int64_t, uint64_t
i propose to change FFI addendum so that haskell compilers guarantee correspondence between Int16 and int16_t types and so on
-- Best regards, Bulat mailto:Bulat.Ziganshin@gmail.com
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