Mercurial > hg > Members > riono > TreeVNC_ja_comment

changeset 213:a8ae952191b8

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netmask done
author kono
date Wed, 02 Jul 2014 21:21:20 +0900
parents a106bbed1888
children e13912948369
files src/main/java/jp/ac/u_ryukyu/treevnc/TreeVNCNetwork.java
diffstat 1 files changed, 5 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVNCNetwork.java	Wed Jul 02 20:35:28 2014 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVNCNetwork.java	Wed Jul 02 21:21:20 2014 +0900
@@ -49,9 +49,9 @@
     		byte[] netmask = ipaddress.getAddress().getAddress();
     		for(int i = 0; i < netmask.length; i++) {
     			int bitpos = i * 8;
-                if (bitpos+8 > prefix) {
-    				netmask[i] = 0;
-    			} else if (bitpos > prefix) {
+    			if (bitpos+7 < prefix) {
+    			    netmask[i] = (byte)0xff;
+    			} else if (bitpos < prefix) {
     				//    ex. bitpos = 0, prefix = 2 
     				//    bitpos+8-prefix
     				//    1100 0000
@@ -61,6 +61,8 @@
     					bytemask |= 0x80;
     				}
     				netmask[i] = (byte)bytemask;
+    			} else {
+    			    netmask[i] = 0;
     			}
     		}
 		return netmask ;