[PD-cvs] SF.net SVN: pure-data:[10361] trunk/externals/mrpeach/net/udpsend.c

[mrpeach at users.sourceforge.net]

Revision: 10361
          http://pure-data.svn.sourceforge.net/pure-data/?rev=10361&view=rev
Author:   mrpeach
Date:     2008-11-05 19:06:23 +0000 (Wed, 05 Nov 2008)

Log Message:
-----------
Added broadcast permission to sockets as suggested by zmoelnig's patch 2221504

Modified Paths:
--------------
    trunk/externals/mrpeach/net/udpsend.c

Modified: trunk/externals/mrpeach/net/udpsend.c
===================================================================
--- trunk/externals/mrpeach/net/udpsend.c	2008-11-05 08:55:38 UTC (rev 10360)
+++ trunk/externals/mrpeach/net/udpsend.c	2008-11-05 19:06:23 UTC (rev 10361)
@@ -50,6 +50,7 @@
     struct hostent      *hp;
     int                 sockfd;
     int                 portno = fportno;
+    int                 broadcast = 1;/* nonzero is true */
 
     if (x->x_fd >= 0)
     {
@@ -67,6 +68,15 @@
         sys_sockerror("udpsend: socket");
         return;
     }
+/* Based on zmoelnig's patch 2221504:
+Enable sending of broadcast messages (if hostname is a broadcast address)*/
+#ifdef SO_BROADCAST
+    if( 0 != setsockopt(sockfd, SOL_SOCKET, SO_BROADCAST, (const void *)&broadcast, sizeof(broadcast)))
+    {
+        pd_error(x, "couldn't switch to broadcast mode");
+    }
+#endif /* SO_BROADCAST */
+
     /* connect socket using hostname provided in command line */
     server.sin_family = AF_INET;
     hp = gethostbyname(hostname->s_name);


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