On 01-12-16 13:38, Gert Doering wrote: > On Thu, Dec 01, 2016 at 01:35:49PM +0100, Steffan Karger wrote: >> On 1 December 2016 at 13:33, Gert Doering <g...@greenie.muc.de> wrote: >>> ((uchar *)&c->c2.push_ifconfig_remote_netmask)[0] >> >> Looks like dereferencing a type-punned pointer to me ;) > > I was waiting for this :-) > > (...but I thought "char *" is allowed by the rules?)
Heh, and I was worried that you had already though of this, so I must have been wrong ;) Indeed, "character types" (including unsigned char) are exempt of the strict aliasing rules. C99 6.5: An object shall have its stored value accessed only by an lvalue expression that has one of the following types: — [...], or — a character type. Apologies for the noise. -Steffan
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