On Wed, Feb 16, 2011 at 01:37:03PM -0800, Bob Plantz wrote:
> On 02/16/2011 12:41 PM, Jason Mancini wrote:
>> Though I still find the output of this odd:
>>
>> for (char i(1); i>0; ++i)
>> printf("%d %d\n", i, sizeof(i));
>>
>> ...
>> 362195 1
>> 362196 1
>> 362197 1
>> ...
>>
>> For very large values of char! ^_^
>>
>> Jason
> That's odd. With g++ 4.4.5 on an x86-64 machine in 64-bit mode I get:
>
> ---
> 125 1
> 126 1
> 127 1
But there is also a second "bug" in the program. You tell "printf", that
the variable "i" is a integer and not a char -- so printf will read
sizeof(int) Bytes at the adress of "i" in order to create the
output-number, which gives you the 362195. You should write something
like
printf("%d %d\n", (int)i, sizeof(i));
in order to get the "true" value of i in the output -- then I would
expect values in the "char"-range -127<i<128.
Axel
