Date: Wed, 21 Aug 2013 12:36:45 -0400 From: Rich Felker <dalias@...ifal.cx> To: musl@...ts.openwall.com Subject: Re: SUN_LEN On Wed, Aug 21, 2013 at 06:34:29PM +0200, Szabolcs Nagy wrote: > * Rich Felker <dalias@...ifal.cx> [2013-08-21 12:23:39 -0400]: > > > #if defined(_BSD_SOURCE) || defined(_GNU_SOURCE) > > > #define SUN_LEN(s) (sizeof *(s) - sizeof (s)->sun_path + strlen((s)->sun_path)) > > > #endif > > > > This is insufficient, since sys/un.h does not expose strlen. We could > > either add a conditional declaration of strlen under this #if, or make > > an inline function for SUN_LEN that just does the strlen-like loop > > manually. I'm not sure what's best. > > declare strlen > > but i would not worry about this much, if you use such a > macro you are already outside the well-defined zone.. > and musl does not need to be nice there Declaring strlen is not easy because size_t is not defined. So I guess we also need an additional #if before including bits/alltypes.h to define __NEED_size_t... This is why I thought a function might be less ugly. Rich
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