X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=modules%2Fvjcompress.c;h=0b170831d6ffaec9776f34889f640bdbd71305f8;hb=f6330ec2a89df650cd6bfeaa6538b8053aeb45c7;hp=66d3402886c22cdd81dc27b7996a81e1e7a150c6;hpb=a51ffdeea95fdbbb21555408d3e5002ad7069c8a;p=ppp.git

diff --git a/modules/vjcompress.c b/modules/vjcompress.c
index 66d3402..0b17083 100644
--- a/modules/vjcompress.c
+++ b/modules/vjcompress.c
@@ -29,7 +29,7 @@
  * This version is used under SunOS 4.x, Digital UNIX, AIX 4.x,
  * and SVR4 systems including Solaris 2.
  *
- * $Id: vjcompress.c,v 1.9 1996/06/26 00:53:17 paulus Exp $
+ * $Id: vjcompress.c,v 1.11 2004/01/17 05:47:55 carlsonj Exp $
  */
 
 #include <sys/types.h>
@@ -56,6 +56,10 @@ typedef u_long  n_long;
 #include <netinet/in_systm.h>
 #endif
 
+#ifdef SOL2
+#include <sys/sunddi.h>
+#endif
+
 #include <netinet/ip.h>
 #include <netinet/tcp.h>
 
@@ -300,19 +304,19 @@ vj_compress_tcp(ip, mlen, comp, compress_cid, vjhdrp)
 	 * with it. */
 	goto uncompressed;
 
-    if (deltaS = (u_short)(ntohs(th->th_win) - ntohs(oth->th_win))) {
+    if ((deltaS = (u_short)(ntohs(th->th_win) - ntohs(oth->th_win))) > 0) {
 	ENCODE(deltaS);
 	changes |= NEW_W;
     }
 
-    if (deltaA = ntohl(th->th_ack) - ntohl(oth->th_ack)) {
+    if ((deltaA = ntohl(th->th_ack) - ntohl(oth->th_ack)) > 0) {
 	if (deltaA > 0xffff)
 	    goto uncompressed;
 	ENCODE(deltaA);
 	changes |= NEW_A;
     }
 
-    if (deltaS = ntohl(th->th_seq) - ntohl(oth->th_seq)) {
+    if ((deltaS = ntohl(th->th_seq) - ntohl(oth->th_seq)) > 0) {
 	if (deltaS > 0xffff)
 	    goto uncompressed;
 	ENCODE(deltaS);