Quoting "Paul E. McKenney" <paul...@linux.vnet.ibm.com>:
On Mon, Jul 29, 2013 at 03:30:35PM +1000, c...@guarana.org wrote:
Quoting "Paul E. McKenney" <paul...@linux.vnet.ibm.com>:
...
>
>Note that the C standard considers the cast from signed to
>unsigned to be implementation-defined, see 6.3.1.3p3.
...
Don't worry, the case from signed to unsigned is actually well-defined -
the relevant part is 6.3.1.3p2 (in C99):
>Otherwise, if the new type is unsigned, the value is converted by
>repeatedly adding or subtracting one more than the maximum value that
>can be represented in the new type until the value is in the range of
>the new type.
Yep, but we are going in the other direction, from unsigned to signed.
Ahh, there's an error in the commit message (it says signed to unsigned).
- Kevin
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