Add '-Wunreachable-code-return' warning option in devel mode for cmake

[tcpdump] / print-802_15_4.c

diff --git a/print-802_15_4.c b/print-802_15_4.c
index a7817eb5afda6ccc658492b304b164d04e2a0493..f9f05d2f3f5d20055042f2b5bc142b2d5dca34e4 100644 (file)
--- a/print-802_15_4.c
+++ b/print-802_15_4.c
@@ -23,10 +23,10 @@
 /* \summary: IEEE 802.15.4 printer */
 
 #ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
 #endif
 
-#include <netdissect-stdinc.h>
+#include "netdissect-stdinc.h"
 
 #include "netdissect.h"
 #include "addrtoname.h"
@@ -61,31 +61,31 @@ static const char *ftypes[] = {
 #define FC_ADDRESSING_MODE_SHORT       0x02
 #define FC_ADDRESSING_MODE_LONG                0x03
 
-u_int
-ieee802_15_4_if_print(netdissect_options *ndo,
-                      const struct pcap_pkthdr *h, const u_char *p)
+static u_int
+ieee802_15_4_print(netdissect_options *ndo,
+                   const u_char *p, u_int caplen)
 {
-       u_int caplen = h->caplen;
        u_int hdrlen;
        uint16_t fc;
        uint8_t seq;
        uint16_t panid = 0;
 
+       ndo->ndo_protocol = "802.15.4";
        if (caplen < 3) {
-               ND_PRINT((ndo, "[|802.15.4]"));
+               nd_print_trunc(ndo);
                return caplen;
        }
        hdrlen = 3;
 
-       fc = EXTRACT_LE_16BITS(p);
-       seq = EXTRACT_LE_8BITS(p + 2);
+       fc = EXTRACT_LE_U_2(p);
+       seq = EXTRACT_U_1(p + 2);
 
        p += 3;
        caplen -= 3;
 
-       ND_PRINT((ndo,"IEEE 802.15.4 %s packet ", ftypes[FC_FRAME_TYPE(fc)]));
+       ND_PRINT("IEEE 802.15.4 %s packet ", ftypes[FC_FRAME_TYPE(fc)]);
        if (ndo->ndo_vflag)
-               ND_PRINT((ndo,"seq %02x ", seq));
+               ND_PRINT("seq %02x ", seq);
 
        /*
         * Destination address and PAN ID, if present.
@@ -98,57 +98,57 @@ ieee802_15_4_if_print(netdissect_options *ndo,
                         * the source and destination addresses be present,
                         * but the destination address is missing.
                         */
-                       ND_PRINT((ndo, "[|802.15.4]"));
+                       nd_print_trunc(ndo);
                        return hdrlen;
                }
                if (ndo->ndo_vflag)
-                       ND_PRINT((ndo,"none "));
+                       ND_PRINT("none ");
                break;
        case FC_ADDRESSING_MODE_RESERVED:
                if (ndo->ndo_vflag)
-                       ND_PRINT((ndo,"reserved destination addressing mode"));
+                       ND_PRINT("reserved destination addressing mode");
                return hdrlen;
        case FC_ADDRESSING_MODE_SHORT:
                if (caplen < 2) {
-                       ND_PRINT((ndo, "[|802.15.4]"));
+                       nd_print_trunc(ndo);
                        return hdrlen;
                }
-               panid = EXTRACT_LE_16BITS(p);
+               panid = EXTRACT_LE_U_2(p);
                p += 2;
                caplen -= 2;
                hdrlen += 2;
                if (caplen < 2) {
-                       ND_PRINT((ndo, "[|802.15.4]"));
+                       nd_print_trunc(ndo);
                        return hdrlen;
                }
                if (ndo->ndo_vflag)
-                       ND_PRINT((ndo,"%04x:%04x ", panid, EXTRACT_LE_16BITS(p + 2)));
+                       ND_PRINT("%04x:%04x ", panid, EXTRACT_LE_U_2(p));
                p += 2;
                caplen -= 2;
                hdrlen += 2;
                break;
        case FC_ADDRESSING_MODE_LONG:
                if (caplen < 2) {
-                       ND_PRINT((ndo, "[|802.15.4]"));
+                       nd_print_trunc(ndo);
                        return hdrlen;
                }
-               panid = EXTRACT_LE_16BITS(p);
+               panid = EXTRACT_LE_U_2(p);
                p += 2;
                caplen -= 2;
                hdrlen += 2;
                if (caplen < 8) {
-                       ND_PRINT((ndo, "[|802.15.4]"));
+                       nd_print_trunc(ndo);
                        return hdrlen;
                }
                if (ndo->ndo_vflag)
-                       ND_PRINT((ndo,"%04x:%s ", panid, le64addr_string(ndo, p)));
+                       ND_PRINT("%04x:%s ", panid, le64addr_string(ndo, p));
                p += 8;
                caplen -= 8;
                hdrlen += 8;
                break;
        }
        if (ndo->ndo_vflag)
-               ND_PRINT((ndo,"< "));
+               ND_PRINT("< ");
 
        /*
         * Source address and PAN ID, if present.
@@ -156,11 +156,11 @@ ieee802_15_4_if_print(netdissect_options *ndo,
        switch (FC_SRC_ADDRESSING_MODE(fc)) {
        case FC_ADDRESSING_MODE_NONE:
                if (ndo->ndo_vflag)
-                       ND_PRINT((ndo,"none "));
+                       ND_PRINT("none ");
                break;
        case FC_ADDRESSING_MODE_RESERVED:
                if (ndo->ndo_vflag)
-                       ND_PRINT((ndo,"reserved source addressing mode"));
+                       ND_PRINT("reserved source addressing mode");
                return 0;
        case FC_ADDRESSING_MODE_SHORT:
                if (!(fc & FC_PAN_ID_COMPRESSION)) {
@@ -170,20 +170,20 @@ ieee802_15_4_if_print(netdissect_options *ndo,
                         * PAN ID, fetched above.)
                         */
                        if (caplen < 2) {
-                               ND_PRINT((ndo, "[|802.15.4]"));
+                               nd_print_trunc(ndo);
                                return hdrlen;
                        }
-                       panid = EXTRACT_LE_16BITS(p);
+                       panid = EXTRACT_LE_U_2(p);
                        p += 2;
                        caplen -= 2;
                        hdrlen += 2;
                }
                if (caplen < 2) {
-                       ND_PRINT((ndo, "[|802.15.4]"));
+                       nd_print_trunc(ndo);
                        return hdrlen;
                }
                if (ndo->ndo_vflag)
-                       ND_PRINT((ndo,"%04x:%04x ", panid, EXTRACT_LE_16BITS(p)));
+                       ND_PRINT("%04x:%04x ", panid, EXTRACT_LE_U_2(p));
                p += 2;
                caplen -= 2;
                hdrlen += 2;
@@ -196,20 +196,20 @@ ieee802_15_4_if_print(netdissect_options *ndo,
                         * PAN ID, fetched above.)
                         */
                        if (caplen < 2) {
-                               ND_PRINT((ndo, "[|802.15.4]"));
+                               nd_print_trunc(ndo);
                                return hdrlen;
                        }
-                       panid = EXTRACT_LE_16BITS(p);
+                       panid = EXTRACT_LE_U_2(p);
                        p += 2;
                        caplen -= 2;
                        hdrlen += 2;
                }
                if (caplen < 8) {
-                       ND_PRINT((ndo, "[|802.15.4]"));
+                       nd_print_trunc(ndo);
                        return hdrlen;
                }
                if (ndo->ndo_vflag)
-                       ND_PRINT((ndo,"%04x:%s ", panid, le64addr_string(ndo, p)));
+                       ND_PRINT("%04x:%s ", panid, le64addr_string(ndo, p));
                p += 8;
                caplen -= 8;
                hdrlen += 8;
@@ -221,3 +221,12 @@ ieee802_15_4_if_print(netdissect_options *ndo,
 
        return hdrlen;
 }
+
+/* For DLT_IEEE802_15_4 and DLT_IEEE802_15_4_NOFCS */
+u_int
+ieee802_15_4_if_print(netdissect_options *ndo,
+                      const struct pcap_pkthdr *h, const u_char *p)
+{
+       ndo->ndo_protocol = "802.15.4_if";
+       return ieee802_15_4_print(ndo, p, h->caplen);
+}