/* SCTP kernel reference Implementation Copyright (C) 1999-2001 * Cisco, Motorola, and IBM * Copyright 2001 La Monte H.P. Yarroll * * This file is part of the SCTP kernel reference Implementation * * These functions manipulate sctp command sequences. * * The SCTP reference implementation is free software; * you can redistribute it and/or modify it under the terms of * the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * The SCTP reference implementation is distributed in the hope that it * will be useful, but WITHOUT ANY WARRANTY; without even the implied *                 ************************ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU CC; see the file COPYING.  If not, write to * the Free Software Foundation, 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * * Please send any bug reports or fixes you make to the * email address(es): *    lksctp developers <lksctp-developers@lists.sourceforge.net> * * Or submit a bug report through the following website: *    http://www.sf.net/projects/lksctp * * Written or modified by: *    La Monte H.P. Yarroll <piggy@acm.org> *    Karl Knutson <karl@athena.chicago.il.us> * * Any bugs reported given to us we will try to fix... any fixes shared will * be incorporated into the next SCTP release. */ #include <linux/types.h>#include <net/sctp/sctp.h>#include <net/sctp/sm.h> /* Initialize a block of memory as a command sequence. */int sctp_init_cmd_seq(sctp_cmd_seq_t *seq){	memset(seq, 0, sizeof(sctp_cmd_seq_t));	return 1;		/* We always succeed.  */} /* Add a command to a sctp_cmd_seq_t. * Return 0 if the command sequence is full. */int sctp_add_cmd(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_arg_t obj){	if (seq->next_free_slot >= SCTP_MAX_NUM_COMMANDS)		goto fail; 	seq->cmds[seq->next_free_slot].verb = verb;	seq->cmds[seq->next_free_slot++].obj = obj; 	return 1; fail:	return 0;} /* Return the next command structure in a sctp_cmd_seq. * Returns NULL at the end of the sequence. */sctp_cmd_t *sctp_next_cmd(sctp_cmd_seq_t *seq){	sctp_cmd_t *retval = NULL; 	if (seq->next_cmd < seq->next_free_slot)		retval = &seq->cmds[seq->next_cmd++]; 	return retval;}