Re: [PATCH] wip: change ISSPACE to use ascii whitespace check.

Crystal Kolipe via Mutt-dev <[email protected]> Wed, 18 Feb 2026 21:58:24 +0000

Newsgroups	gmane.mail.mutt.devel
Message-ID	<[email protected]>

On Wed, Feb 18, 2026 at 03:29:57PM +0100, Alejandro Colomar via Mutt-dev wrote:
> BTW, with the macros shown above, one could implement:
> 
> 	#define streq(a,b)  (strcmp(a,b) == 0)
> 
> 	#define isspace_c(c)            (!streq(strchrnul(MUTT_CTYPE_SPACE_C, c), ""))
> 	#define isspace_rfc5322_fws(c)  (!streq(strchrnul(MUTT_CTYPE_RFC5322_FWS, c), ""))
> 
> Although, in general, using the strspn(3) family of functions directly
> seems more ergonomic.

Note that strchrnul() is not available natively on OpenBSD.