gpg: failed to create temporary file '/var/lib/lurker/.#lk0x56d5c100.hantslug.org.uk.21758': Permission denied
gpg: keyblock resource '/var/lib/lurker/pubring.gpg': Permission denied
gpg: Signature made Tue Aug 3 14:30:47 2010 BST
gpg: using DSA key 20ACB3BE515C238D
gpg: Can't check signature: No public key
On Tue, Aug 03, 2010 at 02:19:32PM +0100, Chris Liddell wrote:
> Declarations like your code don't declare variables comprising that
> number of bits, they still are still the size of the base type (in this
> case unsigned int). All the bit length option does (if supported by the
> compiler) is restrict the maximum value of the field (and sometimes not
> even that - many compilers ignore it completely).
>
> So your structure is not 16 bits long, it's 192 bits long.
Not true, at least with gcc 4.4.4:
hrm@shades:~$ cat <<EOF >foo.c
> #include <stdio.h>
>
> struct received_data {
> unsigned int start:1;
> unsigned int address:4;
> unsigned int command:5;
> unsigned int flags:4;
> unsigned int padding:1;
> unsigned int parity:1;
> };
>
> int main(int argc, char* argv[])
> {
> printf("%d\n", sizeof(struct received_data));
> return 0;
> }
> EOF
hrm@shades:~$ gcc foo.c
hrm@shades:~$ ./a.out
4
Hugo.
--
=== Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk ===
PGP key: 515C238D from wwwkeys.eu.pgp.net or http://www.carfax.org.uk
--- Nothing wrong with being written in Perl... Some of my best ---
friends are written in Perl.
