cvs commit: src/sys/netinet sctp_asconf.c

John Baldwin jhb at freebsd.org
Fri Nov 3 22:03:47 UTC 2006


On Friday 03 November 2006 16:34, Randall Stewart wrote:
> /src/sys/netinet/sctp_usrreq.c: In function `sctp_optsset':
> /src/sys/netinet/sctp_usrreq.c:3136: warning: cast from pointer to 
> integer of different size
> 
> 
> The above one I will have to ask if any one of you can give
> me a hand.. I am not a sparcy person ;-) and the line is:
> 			on_off = (mtod(m, int));
> 
> (on_off is declared as a int on_off; a few lines above it).

mtod() returns a pointer.  If you want to get an int out of the
mbuf data, then maybe something like:

	on_off = ntohl(*mtod(m, int *)));

is what you want.  As it is, you are casting m->m_data (char *) to an int and 
returning the raw value of the data pointer into your int. :)

-- 
John Baldwin


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