On Mon, 4 Jun 2007, John-Mark Gurney wrote:
David Malone wrote this message on Mon, Jun 04, 2007 at 18:25 +0000:
Log:
Despite several examples in the kernel, the third argument of
sysctl_handle_int is not sizeof the int type you want to export.
The type must always be an int or an unsigned int.
Remove the instances where a sizeof(variable) is passed to stop
people accidently cut and pasting these examples.
In a few places this was sysctl_handle_int was being used on 64 bit
types, which would truncate the value to be exported. In these
cases use sysctl_handle_quad to export them and change the format
to Q so that sysctl(1) can still print them.
Perhaps documenting SYSCTL_HANDLER_ARGS and the several standard handlers in
sysctl_add_oid(9) would be in order?
Or even in sysctl(9).
Robert N M Watson
Computer Laboratory
University of Cambridge
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