X-Git-Url: https://jfr.im/git/irc/quakenet/snircd.git/blobdiff_plain/189935b1376a47e65bed629c0ec9552e7c791e61..9f8856e99d8fe297de1ddf0cff73dc2ff4900c60:/include/res.h?ds=sidebyside

diff --git a/include/res.h b/include/res.h
index 6e8e3a5..0dd6181 100644
--- a/include/res.h
+++ b/include/res.h
@@ -1,6 +1,6 @@
 /** @file
  * @brief IRC resolver API.
- * @version $Id: res.h,v 1.17 2005/06/27 13:25:51 entrope Exp $
+ * @version $Id: res.h,v 1.17.2.2 2006/03/14 03:45:52 entrope Exp $
  */
 
 #ifndef INCLUDED_res_h
@@ -45,6 +45,7 @@ struct StatDesc;
 #define QUERY 0      /**< Forward (normal) DNS query operation. */
 #define NO_ERRORS 0  /**< No errors processing a query. */
 #define SERVFAIL 2   /**< Server error while processing a query. */
+#define NXDOMAIN 3   /**< Domain name in query does not exist. */
 #define T_A 1        /**< Hostname -> IPv4 query type. */
 #define T_AAAA 28    /**< Hostname -> IPv6 query type. */
 #define T_PTR 12     /**< IP(v4 or v6) -> hostname query type. */
@@ -115,6 +116,16 @@ extern void report_dns_servers(struct Client *source_p, const struct StatDesc *s
 extern void gethost_byname(const char *name, dns_callback_f callback, void *ctx);
 extern void gethost_byaddr(const struct irc_in_addr *addr, dns_callback_f callback, void *ctx);
 
+/** Evaluate to non-zero if \a ADDR is an unspecified (all zeros) address. */
+#define irc_in_addr_unspec(ADDR) (((ADDR)->in6_16[0] == 0) \
+                                  && ((ADDR)->in6_16[1] == 0) \
+                                  && ((ADDR)->in6_16[2] == 0) \
+                                  && ((ADDR)->in6_16[3] == 0) \
+                                  && ((ADDR)->in6_16[4] == 0) \
+                                  && ((ADDR)->in6_16[6] == 0) \
+                                  && ((ADDR)->in6_16[7] == 0) \
+                                  && ((ADDR)->in6_16[5] == 0 \
+                                      || (ADDR)->in6_16[5] == 65535))
 /** Evaluate to non-zero if \a ADDR is a valid address (not all 0s and not all 1s). */
 #define irc_in_addr_valid(ADDR) (((ADDR)->in6_16[0] && ~(ADDR)->in6_16[0]) \
                                  || (ADDR)->in6_16[1] != (ADDR)->in6_16[0] \