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From: "René Scharfe" <l.s.r@web.de>
To: Simon Ruderich <simon@ruderich.org>
Cc: "git@vger.kernel.org" <git@vger.kernel.org>,
	Jeff King <peff@peff.net>, Junio C Hamano <gitster@pobox.com>,
	Yaroslav Halchenko <yoh@onerussian.com>
Subject: Re: [PATCH] strbuf: clear errno before calling getdelim(3)
Date: Sat, 12 Aug 2017 14:21:12 +0200	[thread overview]
Message-ID: <a6fe4020-4e3d-0561-db70-2eb87e0680c7@web.de> (raw)
In-Reply-To: <510f566b-3aee-98fd-9663-d97c3dcfeb96@web.de>

Am 12.08.2017 um 13:57 schrieb René Scharfe:
> Update: Just noticed that on the BSDs getdelim(3) doesn't set errno
> to ENOMEM on allocation failure, but does set the error indicator.
> That might be an oversight on their part, but that means we
> certainly *need* to check ferror().  And an unchanged errno can
> mean ENOMEM there.  Ugh..

I take that back.  The memory allocation function called by getdelim
will of course set errno on failure.  I got fooled by the manpages,
which don't mention ENOMEM, e.g.: https://man.openbsd.org/getdelim.

René

  reply	other threads:[~2017-08-12 12:21 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-09 17:39 fatal: Out of memory, getdelim failed under NFS mounts Yaroslav Halchenko
2017-08-10 13:27 ` René Scharfe
2017-08-10 14:43   ` Yaroslav Halchenko
2017-08-10 19:44     ` René Scharfe
2017-08-10 18:56   ` Junio C Hamano
2017-08-10 19:44     ` Yaroslav Halchenko
2017-08-10 19:58     ` René Scharfe
2017-08-10 20:05       ` Jeff King
2017-08-10 20:29         ` Yaroslav Halchenko
2017-08-10 20:56         ` [PATCH] strbuf: clear errno before calling getdelim(3) René Scharfe
2017-08-10 21:02           ` Jeff King
2017-08-10 21:35             ` Yaroslav Halchenko
2017-08-10 21:41           ` Junio C Hamano
2017-08-11  7:50           ` Simon Ruderich
2017-08-11  8:52             ` René Scharfe
2017-08-12 10:02               ` Simon Ruderich
2017-08-12 11:57                 ` René Scharfe
2017-08-12 12:21                   ` René Scharfe [this message]
2017-08-13  4:32                   ` Jeff King
2017-08-13  5:51                     ` René Scharfe
2017-08-13  5:58                       ` Jeff King

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