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Re: [Various] libc/1864: strtol does not return 0xFFFFFFFFFFFF00FF when fed "0xFFFFFFFFFFFF00FF"


>>>>> Geoff Keating writes:

>> Cc: "Eamon Hughes." <eh@adv.sonybpe.com>, eamon@sonyoxford.co.uk
>> From: Andreas Jaeger <aj@suse.de>
>> Date: 21 Aug 2000 17:38:07 +0200

>> We've received the appended bug report.  Can anybody clarify this,
>> please?
>> 
>> If I understand this correctly, the basic question is whether strtol
>> handles:
>> Numbers > 0x8000000000000000 as a negative number - or not.

Geoff> It should not.  It's easy to tell negative numbers in inputs to
Geoff> strtol, they start with a '-'.

>> Btw. this works with strtoul. 

Geoff> That would be a bug (depending on your system).  0xFFFFFFFFFFFF00FF
Geoff> isn't representable as an unsigned long except on 64-bit systems.
I tried it on an 64 bit system - as the reporter did.

>> I've added this as a testcase to
>> tst-strtol and tst-strtoll.  Please tell me if the tests cases are
>> correct (in this case the report is wrong) - or wrong and we need to
>> fix strtol/strtoll.

Geoff> I believe your testcase is right.

I'll commit it later,
Andreas
-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.inka.de
    http://www.suse.de/~aj

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