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Re: test-memchr failure on rawhide

From: Bruno Haible
Subject: Re: test-memchr failure on rawhide
Date: Sat, 9 May 2009 00:21:03 +0200
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Andreas Schwab wrote:
> They are free to access the object in any random order they like.

The question is: How many bytes are the mem* functions free to access?

How many bytes is "the object" large?

ISO C 99 says:

  "The memchr function locates the first occurrence of c (converted to an 
   char) in the initial n characters (each interpreted as unsigned char) of the
   object pointed to by s.

   The memchr function returns a pointer to the located character, or a null 
   if the character does not occur in the object."

Can you give a justification why the function would be allowed to access more 
n bytes?


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