Date: Wed, 7 Sep 2022 22:06:22 +0200 From: Markus Wichmann <nullplan@....net> To: musl@...ts.openwall.com Subject: Re: strptime_l implementation On Thu, Sep 08, 2022 at 05:36:34AM +1000, Javier Steinaker wrote: > Hello everybody, > > The Haiku project (an alternative OS) switched to using musl a few weeks > ago. Now I'm only an occasional contributor, but I hit an use case where > having strptime_l would be desired/useful (parsing web cookies, which are > always in english, independently of the locale selected by the user). Since > nl_langinfo_l is already in place, I figured out it wouldn't be so > difficult to move the current code to an internal function, and then have > strptime and strptime_l getting the locale from the system in the first > case and as an argument in the second, and call that code. > > My question is: do you have plans to have strptime_l implemented? Would you > be interested in merging if someone does? Would it break the ABI or > something? I'm asking because it made more sense to me to do this upstream > and then don't having to maintain a separate version if it was useful here. > Otherwise, we will just find our way in the Haiku code, via implementing > strptime_l or with another solution. > > Thanks in advance, > Javier Standard requirements for inclusion are absolutely any kind of standardization effort or agreement among libcs. Otherwise we run the risk that later on, a different version is standardized, and then we cannot change our version without breaking ABI. No, at this point, adding strptime_l would not break ABI, but if we had to change the interface later on, then it would. So better to only add it once everything is coordinated. And if I search for the proposed name of the function, I find a manpage for Illumos, one for Gnulib, and one at mkssoftware.com. That last one claims that strptime_l() is conformant to POSIX, but I failed to find it in POSIX, so I think that claim is wrong. So basically, that is one necessary condition I do not find fulfilled here. Ciao, Markus
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