32 bit longs

[Norman Diamond]

In article <231 at nazgul.UUCP> bright at nazgul.UUCP (Walter Bright) writes:
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                                                 !!!!!!!!!!!!!
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>If you have a need for *exactly* 32 bits, you can do things like:
>	x &= 0xFFFFFFFF;	/* truncate result to 32 bits	*/
>... Alternatively, you can do things like:
>	if (sizeof(x) == 4)
>		/* code here depends on 32 bits in x */

On a machine with 36-bit words and C support hacked with 9-bit chars,
this test will give an undesired result.

On a machine with 16-bit bytes, this test will give an undesired result
either way, if x really has 32 bits or if it doesn't.

It is hard to believe that Mr. Bright would make this kind of mistake.

--
Norman Diamond       diamond at tkov50.enet.dec.com
If this were the company's opinion, I wouldn't be allowed to post it.