X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/64b4695379923685260c4d6fe6a1034878d94e84..refs/heads/tcpdump-4.1:/print-ipcomp.c diff --git a/print-ipcomp.c b/print-ipcomp.c index 39739311..89130a37 100644 --- a/print-ipcomp.c +++ b/print-ipcomp.c @@ -20,8 +20,8 @@ */ #ifndef lint -static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/print-ipcomp.c,v 1.10 2000-10-03 02:19:06 itojun Exp $"; +static const char rcsid[] _U_ = + "@(#) $Header: /tcpdump/master/tcpdump/print-ipcomp.c,v 1.20 2003-11-19 00:36:08 guy Exp $"; #endif #ifdef HAVE_CONFIG_H @@ -29,21 +29,10 @@ static const char rcsid[] = #endif #include -#include -#include -#include -#include - -#include - -#include +#include #include -#ifdef INET6 -#include -#endif - struct ipcomp { u_int8_t comp_nxt; /* Next Header */ u_int8_t comp_flags; /* Length of data, in 32bit */ @@ -56,9 +45,10 @@ struct ipcomp { #include "interface.h" #include "addrtoname.h" +#include "extract.h" int -ipcomp_print(register const u_char *bp, register const u_char *bp2, int *nhdr) +ipcomp_print(register const u_char *bp, int *nhdr _U_) { register const struct ipcomp *ipcomp; register const u_char *ep; @@ -68,7 +58,7 @@ ipcomp_print(register const u_char *bp, register const u_char *bp2, int *nhdr) #endif ipcomp = (struct ipcomp *)bp; - cpi = (u_int16_t)ntohs(ipcomp->comp_cpi); + cpi = EXTRACT_16BITS(&ipcomp->comp_cpi); /* 'ep' points to the end of available data. */ ep = snapend; @@ -77,7 +67,7 @@ ipcomp_print(register const u_char *bp, register const u_char *bp2, int *nhdr) fputs("[|IPCOMP]", stdout); goto fail; } - printf("IPComp(cpi=%u)", cpi); + printf("IPComp(cpi=0x%04x)", cpi); #if defined(HAVE_LIBZ) && defined(HAVE_ZLIB_H) if (1) @@ -97,7 +87,5 @@ ipcomp_print(register const u_char *bp, register const u_char *bp2, int *nhdr) #endif fail: - if (nhdr) - *nhdr = -1; - return 65536; + return -1; }