X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/e89409254248af64db721ede4babbe9fd1753f6c..05ec05a87b3a7c6983a16b5ae62d0f1512c4ce89:/print-ipcomp.c diff --git a/print-ipcomp.c b/print-ipcomp.c index cd4df116..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 1.5 2000-09-23 08:03:36 guy 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 @@ -29,29 +29,10 @@ static const char rcsid[] = #endif #include -#include -#include -#include -#include - -#include -#include - -#include -#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 */ @@ -64,9 +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; @@ -76,16 +58,16 @@ 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 avaible data. */ + /* 'ep' points to the end of available data. */ ep = snapend; if ((u_char *)(ipcomp + 1) >= ep - sizeof(struct ipcomp)) { 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) @@ -105,7 +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; }