Added function wireformat_size() to descriptors. TODO: doxygen

Refs #233

src/dnslib/descriptor.c

@@ -508,3 +508,24 @@ uint16_t dnslib_rrclass_from_string(const char *name)
 	return (uint16_t) rrclass;
 }
 
+size_t dnslib_wireformat_size(uint wire_type)
+{
+	switch(wire_type) {
+		case DNSLIB_RDATA_WF_BYTE:
+			return 1;
+			break;
+		case DNSLIB_RDATA_WF_SHORT:
+			return 2;
+			break;
+		case DNSLIB_RDATA_WF_LONG:
+			return 4;
+			break;
+		case DNSLIB_RDATA_WF_A:
+			return 4;
+			break;
+		default: /* unknown size */
+			return 0;
+			break;
+	} /* switch */
+}
+

src/dnslib/descriptor.h

@@ -146,22 +146,22 @@ enum dnslib_rdata_wireformat {
 	/*!
 	 * \brief Possibly compressed domain name.
 	 */	
-	DNSLIB_RDATA_WF_COMPRESSED_DNAME,
-	DNSLIB_RDATA_WF_UNCOMPRESSED_DNAME, /*!< Uncompressed domain name.  */
-	DNSLIB_RDATA_WF_LITERAL_DNAME, /*!< Literal (not downcased) dname.  */
-	DNSLIB_RDATA_WF_BYTE, /*!< 8-bit integer.  */
-	DNSLIB_RDATA_WF_SHORT, /*!< 16-bit integer.  */
-	DNSLIB_RDATA_WF_LONG, /*!< 32-bit integer.  */
-	DNSLIB_RDATA_WF_TEXT, /*!< Text string.  */
-	DNSLIB_RDATA_WF_A, /*!< 32-bit IPv4 address.  */
-	DNSLIB_RDATA_WF_AAAA, /*!< 128-bit IPv6 address.  */
-	DNSLIB_RDATA_WF_BINARY, /*!< Binary data (unknown length).  */
+	DNSLIB_RDATA_WF_COMPRESSED_DNAME = 50,
+	DNSLIB_RDATA_WF_UNCOMPRESSED_DNAME = 51, /*!< Uncompressed domain name.  */
+	DNSLIB_RDATA_WF_LITERAL_DNAME = 52, /*!< Literal (not downcased) dname.  */
+	DNSLIB_RDATA_WF_BYTE = 1, /*!< 8-bit integer.  */
+	DNSLIB_RDATA_WF_SHORT = 2, /*!< 16-bit integer.  */
+	DNSLIB_RDATA_WF_LONG = 4, /*!< 32-bit integer.  */
+	DNSLIB_RDATA_WF_TEXT = 53, /*!< Text string.  */
+	DNSLIB_RDATA_WF_A = 58, /*!< 32-bit IPv4 address.  */
+	DNSLIB_RDATA_WF_AAAA = 16, /*!< 128-bit IPv6 address.  */
+	DNSLIB_RDATA_WF_BINARY = 54, /*!< Binary data (unknown length).  */
 	/*!
 	 * \brief Binary data preceded by 1 byte length 
 	 */
-	DNSLIB_RDATA_WF_BINARYWITHLENGTH,
-	DNSLIB_RDATA_WF_APL, /*!< APL data.  */
-	DNSLIB_RDATA_WF_IPSECGATEWAY /*!< IPSECKEY gateway ip4, ip6 or dname. */
+	DNSLIB_RDATA_WF_BINARYWITHLENGTH = 55,
+	DNSLIB_RDATA_WF_APL = 56, /*!< APL data.  */
+	DNSLIB_RDATA_WF_IPSECGATEWAY = 57 /*!< IPSECKEY gateway ip4, ip6 or dname. */
 };
 
 /*!
@@ -247,6 +247,8 @@ const char *dnslib_rrclass_to_string(uint16_t rrclass);
  */
 uint16_t dnslib_rrclass_from_string(const char *name);
 
+size_t dnslib_wireformat_size(uint wire_type);
+
 #endif /* _CUTEDNS_DNSLIB_DESCRIPTOR_H_ */
 
 /*! @} */