Use more the EXTRACT_8BITS() macro to fetch a one-byte value (14/n)

[tcpdump] / print-snmp.c

diff --git a/print-snmp.c b/print-snmp.c
index 1b096dcfe579289b90be9521dafaad86df1e136e..dc6f1a6e7325cb0c7fac51b44f3ddc7122c18b5b 100644 (file)
--- a/print-snmp.c
+++ b/print-snmp.c
@@ -72,6 +72,7 @@
 #endif
 
 #include "netdissect.h"
+#include "extract.h"
 
 #undef OPAQUE  /* defined in <wingdi.h> */
 
@@ -437,7 +438,7 @@ asn1_parse(netdissect_options *ndo,
         *  +---+---+---+---+---+---+---+---+
         *    7   6   5   4   3   2   1   0
         */
-       id = *p & ASN_ID_BITS;          /* lower 5 bits, range 00-1f */
+       id = EXTRACT_8BITS(p) & ASN_ID_BITS;            /* lower 5 bits, range 00-1f */
 #ifdef notdef
        form = (*p & 0xe0) >> 5;        /* move upper 3 bits to lower 3 */
        class = form >> 1;              /* bits 7&6 -> bits 1&0, range 0-3 */