Fix spaces

[tcpdump] / print-vjc.c

diff --git a/print-vjc.c b/print-vjc.c
index 4fadc8a1dd0f4b4db205fbda8d3f24a8d7254e30..44bdb1fc83f85ab9c16d636279d001a69247ce6f 100644 (file)
--- a/print-vjc.c
+++ b/print-vjc.c
@@ -89,6 +89,7 @@ vjc_print(netdissect_options *ndo, const u_char *bp, u_short proto _U_)
        int i;
 
        ndo->ndo_protocol = "vjc";
+       ND_TCHECK_1(bp);
        switch (EXTRACT_U_1(bp) & 0xf0) {
        case TYPE_IP:
                if (ndo->ndo_eflag)
@@ -102,12 +103,15 @@ vjc_print(netdissect_options *ndo, const u_char *bp, u_short proto _U_)
                if (ndo->ndo_eflag)
                        ND_PRINT("(vjc type=compressed TCP) ");
                for (i = 0; i < 8; i++) {
+                       ND_TCHECK_1(bp + 1);
                        if (EXTRACT_U_1(bp + 1) & (0x80 >> i))
                                ND_PRINT("%c", "?CI?SAWU"[i]);
                }
                if (EXTRACT_U_1(bp + 1))
                        ND_PRINT(" ");
+               ND_TCHECK_1(bp + 2);
                ND_PRINT("C=0x%02x ", EXTRACT_U_1(bp + 2));
+               ND_TCHECK_2(bp + 3);
                ND_PRINT("sum=0x%04x ", *(const u_short *)(bp + 3));
                return -1;
        case TYPE_ERROR:
@@ -119,4 +123,7 @@ vjc_print(netdissect_options *ndo, const u_char *bp, u_short proto _U_)
                        ND_PRINT("(vjc type=0x%02x) ", EXTRACT_U_1(bp) & 0xf0);
                return -1;
        }
+
+trunc:
+       return -1;
 }