cvs commit: src/sys/netinet sctp_asconf.c

Randall Stewart rrs at
Fri Nov 3 22:39:36 UTC 2006

Ruslan Ermilov wrote:
> On Fri, Nov 03, 2006 at 05:03:28PM -0500, John Baldwin wrote:
>>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. :)
> This is the setsockopt()/getsockopt() backend, so it looks like
> no ntohl() is actually necessary.


> Cheers,

Randall Stewart
NSSTG - Cisco Systems Inc.
803-345-0369 <or> 803-317-4952 (cell)

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