Don't use "u_long", as its length is not guaranteed to be 4 bytes. In

[tcpdump] / print-sctp.c

diff --git a/print-sctp.c b/print-sctp.c
index 3729ee58a3ac5d6e6922bfafd2323406f076f266..beb289e9ffc6b8b393e9e6719e4ae6a00781566a 100644 (file)
--- a/print-sctp.c
+++ b/print-sctp.c
@@ -35,7 +35,7 @@
 
 #ifndef lint
 static const char rcsid[] _U_ =
-"@(#) $Header: /tcpdump/master/tcpdump/print-sctp.c,v 1.16 2004-12-15 08:43:23 guy Exp $ (NETLAB/PEL)";
+"@(#) $Header: /tcpdump/master/tcpdump/print-sctp.c,v 1.17 2005-04-13 08:30:41 guy Exp $ (NETLAB/PEL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -259,7 +259,7 @@ void sctp_print(const u_char *bp,        /* beginning of sctp packet */
            const struct sctpSelectiveAck *sack;
            const struct sctpSelectiveFrag *frag;
            int fragNo, tsnNo;
-           const u_long *dupTSN;
+           const u_char *dupTSN;
 
            printf("[SACK] ");
            sack=(const struct sctpSelectiveAck*)(chunkDescPtr+1);
@@ -282,9 +282,9 @@ void sctp_print(const u_char *bp,        /* beginning of sctp packet */
 
 
            /* print duplicate TSNs */
-           for (dupTSN = (const u_long*)frag, tsnNo=0;
+           for (dupTSN = (const u_char *)frag, tsnNo=0;
                 (const void *) dupTSN < nextChunk && tsnNo<EXTRACT_16BITS(&sack->numDupTsns);
-                dupTSN++, tsnNo++)
+                dupTSN += 4, tsnNo++)
              printf("\n\t\t[dup TSN #%u: %u] ", tsnNo+1,
                  EXTRACT_32BITS(dupTSN));