diff options
Diffstat (limited to 'print-ppp.c')
| -rw-r--r-- | print-ppp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/print-ppp.c b/print-ppp.c index baeb4f00..76494410 100644 --- a/print-ppp.c +++ b/print-ppp.c @@ -1363,7 +1363,7 @@ ppp_hdlc(netdissect_options *ndo, u_char *b, *t, c; const u_char *s; u_int i, proto; - const void *se; + const void *sb, *se; if (caplen == 0) return; @@ -1395,8 +1395,11 @@ ppp_hdlc(netdissect_options *ndo, /* * Change the end pointer, so bounds checks work. + * Change the pointer to packet data to help debugging. */ + sb = ndo->ndo_packetp; se = ndo->ndo_snapend; + ndo->ndo_packetp = b; ndo->ndo_snapend = t; length = ND_BYTES_AVAILABLE_AFTER(b); @@ -1433,10 +1436,12 @@ ppp_hdlc(netdissect_options *ndo, } cleanup: + ndo->ndo_packetp = sb; ndo->ndo_snapend = se; return; trunc: + ndo->ndo_packetp = sb; ndo->ndo_snapend = se; nd_print_trunc(ndo); } |