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Re: [PATCH] strbuf: clear errno before calling getdelim(3)

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.