Hi!
Some of my programs have to work on big-endian and little-endian systems,
knowing what kind of system they are runing on (they are exchanging data
in binary format). To recognize the kind of the system I use the following
routine:
int TestByteOrder()
{
union
{
unsigned char c[2];
unsigned short int u;
} tst;
tst.c[0]=0;
tst.c[1]=0;
tst.u=258;
if ((tst.c[0]==1) && (tst.c[1]==2)) return 1; /* big-endian */
if ((tst.c[0]==2) && (tst.c[1]==1)) return 0; /* little-endian */
return -1; /* This should not happen! Unknown integer representation */
}
Greetings
Wojtek Zabolotny
[EMAIL PROTECTED]
On Tue, 18 Aug 1998, Stephen J. Carpenter wrote:
> On Tue, Aug 18, 1998 at 02:46:11AM +0100, [EMAIL PROTECTED] wrote:
> > On Mon, Aug 17, 1998 at 12:10:15PM -0500, the lone gunman wrote:
> > > On Mon, Aug 17, 1998 at 05:32:06PM +0100, [EMAIL PROTECTED] wrote:
> > >
> > > Does that mean that "intel byte order" is the same as "host byte
> > > order"?
> > Yes.
>
> well its not on my Sun IPC :)
>
> > > The man page for mpg123 says its output with the -s switch is
> > > "host byte order," but the cdrecord manpage makes no mention of host
> > > byte order, only intel byte order, little endian and big endian, and I
> > > have no clue what else.
> > >
> > > Can anyone offer an equivalence table for these types?
> > ok
> >
> > Little endian = intel byte order = host byte order (if its an intel)
> > big endian = network byte order = host byte order (on 64 bit boxes)?
>
> I dunno if ALL 64 bit boxen are big endian.
> I know SUN systems are big-endian...I don't know about PPCs, or ALphas tho
>
> -Steve
> --
> /* -- Stephen Carpenter <[EMAIL PROTECTED]> --- <[EMAIL
> PROTECTED]>------------ */
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