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- Subject: Re: [ANN] Lua 5.3.0 (work1) now available
- From: Finn Wilcox <finnw@...>
- Date: Mon, 08 Jul 2013 13:43:04 +0100
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On 08/07/2013 12:36, Philipp Janda wrote:
> That may not do what is expected, because it involves
> implementation-defined behavior:
>
> 3.2.1.2 Signed and unsigned integers [...] When an integer is
> demoted to a signed integer with smaller size, or an unsigned
> integer is converted to its corresponding signed integer, if the
> value cannot be represented the result is implementation-defined.
If I remember right, you can work around this with a memcpy() from the
unsigned variable to the signed variable.
Finn
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