integer and long max/min values

[Duane H. Hesser]

On 21-Nov-2003 Richard Coleman wrote:
> Jay Sern Liew wrote:
> 
>> how do I find out the maximum (and minimum) value a long and int will hold
>> in C? (before it overflows or underflows)
>> 
>> if it's compiler-dependent, then does anyone know where I can find the GCC
>> documentation for stuff like that?
> 
> It will be architecture dependent (32 or 64 bit machines?).  I doubt the 
> GCC docs talk about this.  You might check Richard Steven's book on 
> "Advanced Unix Programming".  It covers lots of information about 
> standard machine limits and how to discover them.
> 
> Richard Coleman
> richardcoleman at mindspring.com
> 
> 

As a point of interest, there is a file

/usr/src/contrib/gcc/enquire.c

in the distributed sources which, when compiled and run, will
report the max and min values of short, long, int, float, etc.
along with various sizes and alignments.


-- 
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Just be glad Microsoft doesn't make passenger airplanes.
Duane H. Hesser <dhh at monroe.net>
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