Re: strtoul question

Article View: comp.std.c

Article #1283

#1283

From: Doug Gwyn
Date: Fri, 25 May 1990 16:22

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In article <UaLHQb200as9AS60EP@andrew.cmu.edu> ghoti+@andrew.cmu.edu (Adam Stoller) writes:
>What exactly (if one can use that term) is the strtoul() function
>supposed to return when handed a string like "-987654" ?

It's supposed to return ULONG_MAX + 1 - 987654.

As I mentioned in my posting about results of the NYC X3J11 meeting,
strtoul() overflow can occur only on conversion of the magnitude,
not on the negation phase of the conversion.

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uwm.edu!lll-winken!ames!haven!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.std.c
Subject: Re: strtoul question
Message-ID: <12998@smoke.BRL.MIL>
Date: 25 May 90 16:22:02 GMT
References: <UaLHQb200as9AS60EP@andrew.cmu.edu>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
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