From: Willy Tarreau <w@1wt.eu>
Date: Fri, 26 Oct 2012 17:47:23 +0000 (+0200)
Subject: MINOR: tools: add a clear_addr() function to unset an address
X-Git-Tag: v1.5-dev13~99
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=422a0a51611f0892507ddfa1d826394a5d04561d;p=thirdparty%2Fhaproxy.git

MINOR: tools: add a clear_addr() function to unset an address

This will be used to unset a from address.
---

diff --git a/include/common/standard.h b/include/common/standard.h
index e795df7171..ff87cd132e 100644
--- a/include/common/standard.h
+++ b/include/common/standard.h
@@ -572,6 +572,12 @@ static inline unsigned int __full_hash(unsigned int a)
 	return a * 3221225473U;
 }
 
+/* sets the address family to AF_UNSPEC so that is_addr() does not match */
+static inline void clear_addr(struct sockaddr_storage *addr)
+{
+	addr->ss_family = AF_UNSPEC;
+}
+
 /* returns non-zero if addr has a valid and non-null IPv4 or IPv6 address,
  * otherwise zero.
  */