icmp: clean up the extension code and comments.

[tcpdump] / netdissect.h

diff --git a/netdissect.h b/netdissect.h
index 53bc842fe56fd8bca7d1a7ba2739f49f4748a147..867be794032c78e84fe1f85258faf6ff35557f20 100644 (file)
--- a/netdissect.h
+++ b/netdissect.h
@@ -141,9 +141,6 @@ struct tok {
        const char *s;          /* string */
 };
 
-extern const char *tok2strbuf(const struct tok *, const char *, u_int,
-                             char *buf, size_t bufsize);
-
 /* tok2str is deprecated */
 extern const char *tok2str(const struct tok *, const char *, u_int);
 extern char *bittok2str(const struct tok *, const char *, u_int);
@@ -220,6 +217,7 @@ struct netdissect_options {
   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_print_sampling;      /* print every Nth packet */
   int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */
   int ndo_tstamp_precision;    /* requested time stamp precision */
   const char *program_name;    /* Name of the program using the library */
@@ -384,27 +382,39 @@ extern void nd_pop_all_packet_info(netdissect_options *);
  */
 #define ND_BYTES_AVAILABLE_AFTER(p) ND_BYTES_BETWEEN(ndo->ndo_snapend, (p))
 
-/* Check length < minimum for invalid packet with a custom message, format %u */
-#define ND_LCHECKMSG_U(length, minimum, what) \
-if ((length) < (minimum)) { \
-ND_PRINT(" [%s %u < %u]", (what), (length), (minimum)); \
+/*
+ * Check (expression_1 operator expression_2) for invalid packet with
+ * a custom message, format %u
+ */
+#define ND_ICHECKMSG_U(message, expression_1, operator, expression_2) \
+if ((expression_1) operator (expression_2)) { \
+ND_PRINT(" [%s %u %s %u]", (message), (expression_1), (#operator), (expression_2)); \
 goto invalid; \
 }
 
-/* Check length < minimum for invalid packet with #length message, format %u */
-#define ND_LCHECK_U(length, minimum) \
-ND_LCHECKMSG_U((length), (minimum), (#length))
+/*
+ * Check (expression_1 operator expression_2) for invalid packet with
+ * "expression_1" message, format %u
+ */
+#define ND_ICHECK_U(expression_1, operator, expression_2) \
+ND_ICHECKMSG_U((#expression_1), (expression_1), operator, (expression_2))
 
-/* Check length < minimum for invalid packet with a custom message, format %zu */
-#define ND_LCHECKMSG_ZU(length, minimum, what) \
-if ((length) < (minimum)) { \
-ND_PRINT(" [%s %u < %zu]", (what), (length), (minimum)); \
+/*
+ * Check (expression_1 operator expression_2) for invalid packet with
+ * a custom message, format %zu
+ */
+#define ND_ICHECKMSG_ZU(message, expression_1, operator, expression_2) \
+if ((expression_1) operator (expression_2)) { \
+ND_PRINT(" [%s %u %s %zu]", (message), (expression_1), (#operator), (expression_2)); \
 goto invalid; \
 }
 
-/* Check length < minimum for invalid packet with #length message, format %zu */
-#define ND_LCHECK_ZU(length, minimum) \
-ND_LCHECKMSG_ZU((length), (minimum), (#length))
+/*
+ * Check (expression_1 operator expression_2) for invalid packet with
+ * "expression_1" message, format %zu
+ */
+#define ND_ICHECK_ZU(expression_1, operator, expression_2) \
+ND_ICHECKMSG_ZU((#expression_1), (expression_1), operator, (expression_2))
 
 #define ND_PRINT(...) (ndo->ndo_printf)(ndo, __VA_ARGS__)
 #define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length)
@@ -494,9 +504,9 @@ extern void ap1394_if_print IF_PRINTER_ARGS;
 extern void arcnet_if_print IF_PRINTER_ARGS;
 extern void arcnet_linux_if_print IF_PRINTER_ARGS;
 extern void atm_if_print IF_PRINTER_ARGS;
-extern void bt_if_print IF_PRINTER_ARGS;
 extern void brcm_tag_if_print IF_PRINTER_ARGS;
 extern void brcm_tag_prepend_if_print IF_PRINTER_ARGS;
+extern void bt_if_print IF_PRINTER_ARGS;
 extern void chdlc_if_print IF_PRINTER_ARGS;
 extern void cip_if_print IF_PRINTER_ARGS;
 extern void dsa_if_print IF_PRINTER_ARGS;
@@ -511,8 +521,8 @@ extern void ieee802_11_radio_if_print IF_PRINTER_ARGS;
 extern void ieee802_15_4_if_print IF_PRINTER_ARGS;
 extern void ieee802_15_4_tap_if_print IF_PRINTER_ARGS;
 extern void ipfc_if_print IF_PRINTER_ARGS;
-extern void ipoib_if_print IF_PRINTER_ARGS;
 extern void ipnet_if_print IF_PRINTER_ARGS;
+extern void ipoib_if_print IF_PRINTER_ARGS;
 extern void juniper_atm1_if_print IF_PRINTER_ARGS;
 extern void juniper_atm2_if_print IF_PRINTER_ARGS;
 extern void juniper_chdlc_if_print IF_PRINTER_ARGS;
@@ -545,8 +555,8 @@ extern void prism_if_print IF_PRINTER_ARGS;
 extern void raw_if_print IF_PRINTER_ARGS;
 extern void sl_bsdos_if_print IF_PRINTER_ARGS;
 extern void sl_if_print IF_PRINTER_ARGS;
-extern void sll_if_print IF_PRINTER_ARGS;
 extern void sll2_if_print IF_PRINTER_ARGS;
+extern void sll_if_print IF_PRINTER_ARGS;
 extern void sunatm_if_print IF_PRINTER_ARGS;
 extern void symantec_if_print IF_PRINTER_ARGS;
 extern void token_if_print IF_PRINTER_ARGS;
@@ -700,9 +710,9 @@ extern void resp_print(netdissect_options *, const u_char *, u_int);
 extern void rip_print(netdissect_options *, const u_char *, u_int);
 extern void ripng_print(netdissect_options *, const u_char *, unsigned int);
 extern void rpki_rtr_print(netdissect_options *, const u_char *, u_int);
-extern void rrcp_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *, const struct lladdr_info *);
 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 rtl_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *, const struct lladdr_info *);
 extern void rtsp_print(netdissect_options *, const u_char *, u_int);
 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);
@@ -733,6 +743,7 @@ extern void vtp_print(netdissect_options *, const u_char *, const u_int);
 extern void vxlan_gpe_print(netdissect_options *, const u_char *, u_int);
 extern void vxlan_print(netdissect_options *, const u_char *, u_int);
 extern void wb_print(netdissect_options *, const u_char *, u_int);
+extern void whois_print(netdissect_options *, const u_char *, u_int);
 extern void zep_print(netdissect_options *, const u_char *, u_int);
 extern void zephyr_print(netdissect_options *, const u_char *, u_int);
 extern void zmtp1_datagram_print(netdissect_options *, const u_char *, const u_int);