/*
* ppp_comp.c - STREAMS module for kernel-level compression and CCP support.
*
- * Copyright (c) 1994 The Australian National University.
- * All rights reserved.
+ * Copyright (c) 1994 Paul Mackerras. All rights reserved.
*
- * Permission to use, copy, modify, and distribute this software and its
- * documentation is hereby granted, provided that the above copyright
- * notice appears in all copies. This software is provided without any
- * warranty, express or implied. The Australian National University
- * makes no representations about the suitability of this software for
- * any purpose.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
*
- * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY
- * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
- * THE AUSTRALIAN NATIONAL UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
*
- * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO
- * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
- * OR MODIFICATIONS.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
*
- * $Id: ppp_comp.c,v 1.1 2000/04/18 23:51:28 masputra Exp $
+ * 3. The name(s) of the authors of this software must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission.
+ *
+ * 4. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by Paul Mackerras
+ * <paulus@samba.org>".
+ *
+ * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * $Id: ppp_comp.c,v 1.3 2004/01/17 05:47:55 carlsonj Exp $
*/
/*
MOD_OPEN_DECL(ppp_comp_open);
MOD_CLOSE_DECL(ppp_comp_close);
-static int ppp_comp_rput __P((queue_t *, mblk_t *));
-static int ppp_comp_rsrv __P((queue_t *));
-static int ppp_comp_wput __P((queue_t *, mblk_t *));
-static int ppp_comp_wsrv __P((queue_t *));
-static void ppp_comp_ccp __P((queue_t *, mblk_t *, int));
-static int msg_byte __P((mblk_t *, unsigned int));
+static int ppp_comp_rput(queue_t *, mblk_t *);
+static int ppp_comp_rsrv(queue_t *);
+static int ppp_comp_wput(queue_t *, mblk_t *);
+static int ppp_comp_wsrv(queue_t *);
+static void ppp_comp_ccp(queue_t *, mblk_t *, int);
+static int msg_byte(mblk_t *, unsigned int);
/* Extract byte i of message mp. */
#define MSG_BYTE(mp, i) ((i) < (mp)->b_wptr - (mp)->b_rptr? (mp)->b_rptr[i]: \
#ifdef __osf__
-static void ppp_comp_alloc __P((comp_state_t *));
+static void ppp_comp_alloc(comp_state_t *);
typedef struct memreq {
unsigned char comp_opts[20];
int cmd;
if (!bcanputnext(q,mp->b_band))
#else
if (!canputnext(q))
-#endif PRIOQ
+#endif /* PRIOQ */
{
putbq(q, mp);
break;
if (cmp != NULL) {
#ifdef PRIOQ
cmp->b_band=mp->b_band;
-#endif PRIOQ
+#endif /* PRIOQ */
freemsg(mp);
mp = cmp;
}