[asterisk-commits] kpfleming: branch kpfleming/aligner2 r128766 - /team/kpfleming/aligner2/chann...

[SVN commits to the Asterisk project]

Author: kpfleming
Date: Mon Jul  7 16:26:05 2008
New Revision: 128766

URL: http://svn.digium.com/view/asterisk?view=rev&rev=128766
Log:
fix for part of issue 11485 here too; it was already fixed in trunk, but not in 1.4

Modified:
    team/kpfleming/aligner2/channels/chan_sip.c

Modified: team/kpfleming/aligner2/channels/chan_sip.c
URL: http://svn.digium.com/view/asterisk/team/kpfleming/aligner2/channels/chan_sip.c?view=diff&rev=128766&r1=128765&r2=128766
==============================================================================
--- team/kpfleming/aligner2/channels/chan_sip.c (original)
+++ team/kpfleming/aligner2/channels/chan_sip.c Mon Jul  7 16:26:05 2008
@@ -2656,11 +2656,19 @@
 /*! \brief Support routine for find_peer */
 static int sip_addrcmp(char *name, struct sockaddr_in *sin)
 {
-	/* We know name is the first field, so we can cast */
-	struct sip_peer *p = (struct sip_peer *) name;
-	return 	!(!inaddrcmp(&p->addr, sin) || 
-					(ast_test_flag(&p->flags[0], SIP_INSECURE_PORT) &&
-					(p->addr.sin_addr.s_addr == sin->sin_addr.s_addr)));
+	/* Force the cast from 'char *' to 'struct sip_peer *',
+	   since we know the alignment of the pointer we received
+	   is proper for a 'struct sip_peer *' (since that is what
+	   it really is).
+	*/
+	union {
+		char *name;
+		struct sip_peer *p;
+	} hack = { .name = name };
+
+	return 	!(!inaddrcmp(&hack.p->addr, sin) || 
+		  (ast_test_flag(&hack.p->flags[0], SIP_INSECURE_PORT) &&
+		   (hack.p->addr.sin_addr.s_addr == sin->sin_addr.s_addr)));
 }
 
 /*! \brief Locate peer by name or ip address