On 02/19/2013 06:59 PM, Zach Brown wrote:
>> Sorry but this is very dangerous and it leads to very subtle bug: what
>> happens if someone wrote:
>
> "very dangerous"? I disagree.
>
> If you're worried about the value and units getting out of sync then you
> offer some helper macros:
No my complaint was related to another thing; but I was wrong. Anyway
your suggestion is not so easy applicable, and (IMHO) I don't see any
difficulty to remember to call string_list_free() only at the end of the
code.
>
>> printf("%d%s - %d%s\n", scale(123), unit_string(123),
>> scale(123), unit_string(456) );
>
> #define pty_fmt "%llu%s"
> #define pty_arg(v) scale(v), unit_string(v)
>
> printf(pty_fmt, pty_arg(v));
>
> The kernel used to print ipv4 addresses like this before it grew its own
> %pI4 format specifier.
>
> - z
>
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