EIGRP: Modernize packet parsing style.

[tcpdump] / netdissect.h

diff --git a/netdissect.h b/netdissect.h
index d73d3f784aad6d1ac18b63b1aa9c8509dc4ea61c..96b6c0e74657e8b38d7c638f49c7209ae2b35738 100644 (file)
--- a/netdissect.h
+++ b/netdissect.h
@@ -99,7 +99,7 @@ typedef unsigned char nd_ipv6[16];
 /*
  * Use this for MAC addresses.
  */
-#define MAC_ADDR_LEN   6               /* length of MAC addresses */
+#define MAC_ADDR_LEN   6U              /* length of MAC addresses */
 typedef unsigned char nd_mac_addr[MAC_ADDR_LEN];
 
 /*
@@ -194,6 +194,9 @@ struct netdissect_saved_packet_info {
   struct netdissect_saved_packet_info *ndspi_prev;     /* previous buffer on the stack */
 };
 
+/* 'val' value(s) for longjmp */
+#define ND_TRUNCATED 1
+
 struct netdissect_options {
   int ndo_bflag;               /* print 4 byte ASes in ASDOT notation */
   int ndo_eflag;               /* print ethernet header */
@@ -213,7 +216,7 @@ struct netdissect_options {
                                 */
   int ndo_Hflag;               /* dissect 802.11s draft mesh standard */
   const char *ndo_protocol;    /* protocol */
-  jmp_buf ndo_truncated;       /* jmp_buf for setjmp()/longjmp() */
+  jmp_buf ndo_early_end;       /* jmp_buf for setjmp()/longjmp() */
   void *ndo_last_mem_p;                /* pointer to the last allocated memory chunk */
   int ndo_packet_number;       /* print a packet number in the beginning of line */
   int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */
@@ -288,12 +291,8 @@ extern void nd_pop_all_packet_info(netdissect_options *);
 #define PT_SOMEIP      19      /* Autosar SOME/IP Protocol */
 #define PT_DOMAIN      20      /* Domain Name System (DNS) */
 
-#ifndef min
-#define min(a,b) ((a)>(b)?(b):(a))
-#endif
-#ifndef max
-#define max(a,b) ((b)>(a)?(b):(a))
-#endif
+#define ND_MIN(a,b) ((a)>(b)?(b):(a))
+#define ND_MAX(a,b) ((b)>(a)?(b):(a))
 
 /* For source or destination ports tests (UDP, TCP, ...) */
 #define IS_SRC_OR_DST_PORT(p) (sport == (p) || dport == (p))
@@ -363,7 +362,11 @@ extern void nd_pop_all_packet_info(netdissect_options *);
 #define ND_TTEST_SIZE(p) ND_TTEST_LEN(p, sizeof(*(p)))
 
 /* Bail out if "l" bytes from "p" were not captured */
+#ifdef ND_LONGJMP_FROM_TCHECK
+#define ND_TCHECK_LEN(p, l) if (!ND_TTEST_LEN(p, l)) nd_trunc_longjmp(ndo)
+#else
 #define ND_TCHECK_LEN(p, l) if (!ND_TTEST_LEN(p, l)) goto trunc
+#endif
 
 /* Bail out if "*(p)" was not captured */
 #define ND_TCHECK_SIZE(p) ND_TCHECK_LEN(p, sizeof(*(p)))
@@ -388,10 +391,10 @@ extern void unsigned_relts_print(netdissect_options *, uint32_t);
 
 extern void fn_print_char(netdissect_options *, u_char);
 extern void fn_print_str(netdissect_options *, const u_char *);
-extern int nd_print(netdissect_options *, const u_char *, const u_char *);
 extern u_int nd_printztn(netdissect_options *, const u_char *, u_int, const u_char *);
 extern int nd_printn(netdissect_options *, const u_char *, u_int, const u_char *);
-extern int nd_printzp(netdissect_options *, const u_char *, u_int, const u_char *);
+extern void nd_printjn(netdissect_options *, const u_char *, u_int);
+extern void nd_printjnp(netdissect_options *, const u_char *, u_int);
 
 /*
  * Flags for txtproto_print().
@@ -448,9 +451,18 @@ extern int unaligned_memcmp(const void *, const void *, size_t);
 extern const char *tok2strary_internal(const char **, int, const char *, int);
 #define        tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i)
 
+struct uint_tokary
+{
+       u_int uintval;
+       const struct tok *tokary;
+};
+
+extern const struct tok *uint2tokary_internal(const struct uint_tokary[], const size_t, const u_int);
+#define uint2tokary(a, i) uint2tokary_internal(a, sizeof(a)/sizeof(a[0]), i)
+
 extern if_printer lookup_printer(int);
 
-#define ND_DEBUG {printf(" [%s:%d %s] ", __FILE__, __LINE__, __FUNCTION__); fflush(stdout);}
+#define ND_DEBUG {printf(" [%s:%d %s] ", __FILE__, __LINE__, __func__); fflush(stdout);}
 
 /* The DLT printer routines */
 
@@ -538,7 +550,7 @@ struct lladdr_info {
 
 extern void aarp_print(netdissect_options *, const u_char *, u_int);
 extern int ah_print(netdissect_options *, const u_char *);
-extern void ahcp_print(netdissect_options *, const u_char *, const u_int);
+extern void ahcp_print(netdissect_options *, const u_char *, u_int);
 extern void aodv_print(netdissect_options *, const u_char *, u_int, int);
 extern void aoe_print(netdissect_options *, const u_char *, const u_int);
 extern int  arista_ethertype_print(netdissect_options *,const u_char *, u_int);
@@ -555,7 +567,7 @@ extern const char *bgp_vpn_rd_print(netdissect_options *, const u_char *);
 extern void bootp_print(netdissect_options *, const u_char *, u_int);
 extern void calm_fast_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *);
 extern void carp_print(netdissect_options *, const u_char *, u_int, u_int);
-extern void cdp_print(netdissect_options *, const u_char *, u_int, u_int);
+extern void cdp_print(netdissect_options *, const u_char *, u_int);
 extern void cfm_print(netdissect_options *, const u_char *, u_int);
 extern u_int chdlc_print(netdissect_options *, const u_char *, u_int);
 extern void cisco_autorp_print(netdissect_options *, const u_char *, u_int);
@@ -613,7 +625,7 @@ extern u_int llap_print(netdissect_options *, const u_char *, u_int);
 extern int llc_print(netdissect_options *, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *);
 extern void lldp_print(netdissect_options *, const u_char *, u_int);
 extern void lmp_print(netdissect_options *, const u_char *, u_int);
-extern void loopback_print(netdissect_options *, const u_char *, const u_int);
+extern void loopback_print(netdissect_options *, const u_char *, u_int);
 extern void lspping_print(netdissect_options *, const u_char *, u_int);
 extern void lwapp_control_print(netdissect_options *, const u_char *, u_int, int);
 extern void lwapp_data_print(netdissect_options *, const u_char *, u_int);
@@ -643,7 +655,7 @@ extern void nsh_print(netdissect_options *, const u_char *, u_int);
 extern void ntp_print(netdissect_options *, const u_char *, u_int);
 extern void oam_print(netdissect_options *, const u_char *, u_int, u_int);
 extern void olsr_print(netdissect_options *, const u_char *, u_int, int);
-extern void openflow_print(netdissect_options *, const u_char *, const u_int);
+extern void openflow_print(netdissect_options *, const u_char *, u_int);
 extern void ospf6_print(netdissect_options *, const u_char *, u_int);
 extern void ospf_print(netdissect_options *, const u_char *, u_int, const u_char *);
 extern int ospf_grace_lsa_print(netdissect_options *, const u_char *, u_int);
@@ -668,7 +680,7 @@ extern void rrcp_print(netdissect_options *, const u_char *, u_int, const struct
 extern void rsvp_print(netdissect_options *, const u_char *, u_int);
 extern int rt6_print(netdissect_options *, const u_char *, const u_char *);
 extern void rtsp_print(netdissect_options *, const u_char *, u_int);
-extern void rx_print(netdissect_options *, const u_char *, u_int, u_int, u_int, const u_char *);
+extern void rx_print(netdissect_options *, const u_char *, u_int, uint16_t, uint16_t, const u_char *);
 extern void sctp_print(netdissect_options *, const u_char *, const u_char *, u_int);
 extern void sflow_print(netdissect_options *, const u_char *, u_int);
 extern void ssh_print(netdissect_options *, const u_char *, u_int);