[openbox] argument lists in functions
mangosoft at comhem.se
Tue Mar 16 00:12:02 EST 2004
On Mon, 15 Mar 2004, John Russell wrote:
> Can someone who knows some more about the OB code than I do answer this
> question. What is the point of having argment lists like this:
> void place_client(ObClient *client, gint *x, gint *y)
> where *x and *y are merely pointers to client->area.x and
> client->area.y. In functions such as this, x and y are modified inside
> the functions to modify the client position or whatever it is the
> function is meant to do.
> Why not _just_ pass in a pointer to the client? Why not say
> void place_client(ObClient *client)
> and then directly modify the position numbers there.
> This function is just one example of this and I was curious to know the
> motivation behind this. Thanks.
dereferencing one pointer is faster than dereferencing two pointers (ie
client and then x or y)
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