Date: Wed, 26 Dec 2018 10:47:19 -0500 From: Rich Felker <dalias@...c.org> To: musl@...ts.openwall.com Cc: Philippe Grégoire <pg@...egoire.xyz> Subject: Re: getspnam: errno=ENOENT for absent user On Wed, Dec 26, 2018 at 01:29:17PM +0100, Szabolcs Nagy wrote: > * Philippe Grégoire <pg@...egoire.xyz> [2018-12-25 17:07:14 -0500]: > > I'm working with saltstack on Alpine Linux and am getting trouble > > managing users. I tracked the problem down to musl and the fact > > that getspnam sets errno to ENOENT when a user is missing. This > > behavior differs from glibc which leaves errno to 0 and makes > > the user relies on the return value; when the name is missing. > > > > Semantically, ENOENT makes sense, but this is breaking compatibility > > with other softwares, at the moment. I'll send a patch over to > > saltstack so that current systems are supported, but believe it > > should be fixed here too for future compatibility. What do you think? > > based on > > http://pubs.opengroup.org/onlinepubs/9699919799/functions/getpwnam.html > "If the requested entry was not found, errno shall not be changed." > > this should be fixed in musl. Thanks for checking this. I'll write and commit a fix. Rich
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