Simplify broadcast computation

David Ward reported this computation could be written in a simpler way. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>

Simplify broadcast computation
1b7d4743 · Daniel Lezcano · Daniel Lezcano · 955f4ce6 · 1b7d4743
Commit 1b7d4743 authored Feb 14, 2011 by Daniel Lezcano Committed by Daniel Lezcano Feb 14, 2011
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confile.c src/lxc/confile.c +3 -2

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--- a/src/lxc/confile.c
+++ b/src/lxc/confile.c
@@ -423,8 +423,9 @@ static int config_network_ipv4(const char *key, char *value,
 	 * prefix and address
 	 */
 	if (!bcast) {
-		int mask = htonl(INADDR_BROADCAST << (32 - inetdev->prefix));
-		inetdev->bcast.s_addr = (inetdev->addr.s_addr & mask) | ~mask;
+		inetdev->bcast.s_addr = inetdev->addr.s_addr;
+		inetdev->bcast.s_addr |=
+			htonl(INADDR_BROADCAST >>  inetdev->prefix);
 	}

 	lxc_list_add(&netdev->ipv4, list);