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From: Martin Ambuhl <mambuhl AT earthlink DOT net>
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Subject: Re: printf() doesn't print long long intege, maybe RHIDE problem
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Date: Sat, 19 Nov 2005 04:50:48 GMT
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Rod Pemberton wrote:
> "Martin Ambuhl" <mambuhl AT earthlink DOT net> wrote in message
> news:Cxvff.2173$N45 DOT 189 AT newsread1 DOT news DOT atl DOT earthlink DOT net...
> 
>>Scott wrote:
>>
>>>On Fri, 18 Nov 2005 21:03:01 GMT, Martin Ambuhl <mambuhl AT earthlink DOT net>
>>>wrote:
>>>
>>>
>>>
>>>>>printf() do not print long long integer.
>>>>
>>>>Show us how it fails.  Here is an example of it working:
>>>
>>><snip example>
>>>
>>>Here's another example:
>>>
>>>printf("%llX\n", (long long)-1);
>>
>>If you mean an example of undefined behavior.  The %llX specifier
>>expects an unsigned long long; (long long)-1 is not unsigned.
> 
> 
> It's probably better to use capital L, instead of ll, since it works with
> multiple compilers...
> e.g.,
> 
> sscanf(s,"%Lx",&value);
> 
> printf("%Lu:%Lx\n",prime,counter);
> 

Wrong.  Since the L length modifier specifies that the argument is a 
long double, you've found another way to screw things up.