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From: "boyd, rounin" <boyd@insultant.net>
To: "Maxime Henrion" <mux@freebsd.org>,
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Date: Wed, 26 Nov 2003 11:34:51 +0100
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cc: Stefan Farfeleder <stefan@fafoe.narf.at>
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Subject: Re: [PATCH] libc_r bug: successful close(2) sets errno to ENOTTY
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> Wrong, strtol() can set errno in two cases, when the value is outside
> the range of representable values or when no conversion could be
> performed.

well 'natch.  it's trying to do math.h style hacks and overloads errno.

iirc those sorts of things stem from V6/V7 on the PDP/11 when you
may have had no FPU and 32 bit ops were library functions.