Fixed SNMP ASN constant defines to not use ! operator
diff --git a/CHANGELOG b/CHANGELOG
index b9f0f98..d0e15f2 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -229,6 +229,9 @@
++ Bugfixes:
+ 2010-07-16: Kieran Mansley
+ * msg_in.c: Fixed SNMP ASN constant defines to not use ! operator
+
2010-07-10: Simon Goldschmidt
* ip.c: Fixed bug #30402: CHECKSUM_GEN_IP_INLINE does not add IP options
diff --git a/src/include/lwip/snmp_asn1.h b/src/include/lwip/snmp_asn1.h
index b6996ca..605fa3f 100644
--- a/src/include/lwip/snmp_asn1.h
+++ b/src/include/lwip/snmp_asn1.h
@@ -46,12 +46,12 @@
extern "C" {
#endif
-#define SNMP_ASN1_UNIV (!0x80 | !0x40)
-#define SNMP_ASN1_APPLIC (!0x80 | 0x40)
-#define SNMP_ASN1_CONTXT ( 0x80 | !0x40)
+#define SNMP_ASN1_UNIV (0) /* (!0x80 | !0x40) */
+#define SNMP_ASN1_APPLIC (0x40) /* (!0x80 | 0x40) */
+#define SNMP_ASN1_CONTXT (0x80) /* ( 0x80 | !0x40) */
-#define SNMP_ASN1_CONSTR (0x20)
-#define SNMP_ASN1_PRIMIT (!0x20)
+#define SNMP_ASN1_CONSTR (0x20) /* ( 0x20) */
+#define SNMP_ASN1_PRIMIT (0) /* (!0x20) */
/* universal tags */
#define SNMP_ASN1_INTEG 2