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From "Farid Zaripov" <Farid_Zari...@epam.com>
Subject RE: STDCXX tests fails and reasons [MSVC]
Date Thu, 19 Jul 2007 18:57:20 GMT
> -----Original Message-----
> From: Martin Sebor [mailto:sebor@roguewave.com] 
> Sent: Thursday, July 19, 2007 9:30 PM
> To: stdcxx-dev@incubator.apache.org
> Subject: Re: STDCXX tests fails and reasons [MSVC]
> 
> >   The problem is in that rw_match() used to compare single 
> characters.
> > There no problem in compare one character NUL-terminated 
> string (i.e. 
> > "b" or "a@0b"). We should not use rw_match() to compare single 
> > characters.
> 
> I think something like rw_match("b", "a@0b") should work, 
> just as long as we do the special processing on just one of 
> the two arguments (the second one in this case) and not both. 

  rw_match("b", "a@0b") should work, but 

  char c = 'b'; rw_match (&c, "a@0b", 1);
or
  char c = 'b'; rw_match ("a@0b", &c, 1);
or
  char c1 = 'b', c2 = 'b'; rw_match (&c1, &c2, 1);

shouldn't (may cause undefined behavior i.e. when the memory byte right
after c or c1 or c2 contain '@').

Farid.

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