From ef4d0bcdcd401e3199ff93308b0b751d681cbbdd Mon Sep 17 00:00:00 2001
From: Jeff Hill <johill@lanl.gov>
Date: Thu, 21 Mar 2002 22:18:49 +0000
Subject: [PATCH] added sockAddrAreIdentical

---
 src/libCom/osi/osiSock.c | 27 +++++++++++++++++++++++++++
 src/libCom/osi/osiSock.h |  7 +++++++
 2 files changed, 34 insertions(+)

diff --git a/src/libCom/osi/osiSock.c b/src/libCom/osi/osiSock.c
index 5dbb85d13..58941f357 100644
--- a/src/libCom/osi/osiSock.c
+++ b/src/libCom/osi/osiSock.c
@@ -46,6 +46,33 @@
 
 #define makeMask(NBITS) ( ( 1u << ( (unsigned) NBITS) ) - 1u )
 
+/*
+ * sockAddrAreIdentical() 
+ * (returns true if addresses are identical)
+ */
+int epicsShareAPI sockAddrAreIdentical 
+			( const osiSockAddr *plhs, const osiSockAddr *prhs )
+{
+    int match;
+
+    if ( plhs->sa.sa_family != prhs->sa.sa_family ) {
+        match = 0;
+    }
+    else if ( plhs->sa.sa_family != AF_INET ) {
+        match = 0;
+    }
+    else if ( plhs->ia.sin_addr.s_addr != prhs->ia.sin_addr.s_addr ) {
+        match = 0;
+    }
+    else if ( plhs->ia.sin_port != prhs->ia.sin_port ) { 
+        match = 0;
+    }
+    else {
+        match = 1;
+    }
+    return match;
+}
+
 /*
  * sockAddrToA() 
  * (convert socket address to ASCII host name)
diff --git a/src/libCom/osi/osiSock.h b/src/libCom/osi/osiSock.h
index 10b18a52a..4de6f4902 100644
--- a/src/libCom/osi/osiSock.h
+++ b/src/libCom/osi/osiSock.h
@@ -135,6 +135,13 @@ typedef struct osiSockAddrNode {
     osiSockAddr addr;
 } osiSockAddrNode;
 
+/*
+ * sockAddrAreIdentical() 
+ * (returns true if addresses are identical)
+ */
+epicsShareFunc int epicsShareAPI sockAddrAreIdentical 
+			( const osiSockAddr * plhs, const osiSockAddr * prhs );
+
 /*
  *  osiSockDiscoverBroadcastAddresses ()
  *  Returns the broadcast addresses of each network interface found.