[SCM] master: Fix #5383. Peek without arguments causes NPE.

[SCM] master: Fix #5383. Peek without arguments causes NPE.

[pmuldoon]

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- Log -----------------------------------------------------------------
commit f8936dca409520dc5833354037912026ab2a9a7b
Author: Phil Muldoon <pmuldoon@redhat.com>
Date:   Wed Nov 21 10:02:54 2007 +0000

    Fix #5383. Peek without arguments causes NPE.
    
    2007-11-21  Phil Muldoon  <pmuldoon@redhat.com>
    
    	* PeekCommand.java (interpret): Check that arguments are > 0.

-----------------------------------------------------------------------

Summary of changes:
 frysk-core/frysk/hpd/ChangeLog        |    4 ++++
 frysk-core/frysk/hpd/PeekCommand.java |    3 +++
 2 files changed, 7 insertions(+), 0 deletions(-)

First 500 lines of diff:
diff --git a/frysk-core/frysk/hpd/ChangeLog b/frysk-core/frysk/hpd/ChangeLog
index 26827e1..56c1b6c 100644
--- a/frysk-core/frysk/hpd/ChangeLog
+++ b/frysk-core/frysk/hpd/ChangeLog
@@ -1,3 +1,7 @@
+2007-11-21  Phil Muldoon  <pmuldoon@redhat.com>
+
+	* PeekCommand.java (interpret): Check that arguments are > 0.
+	
 2007-11-20  Rick Moseley  <rmoseley@redhat.com>
 
 	* PeekCommand.java: Fix bz# 5380(make peek command
diff --git a/frysk-core/frysk/hpd/PeekCommand.java b/frysk-core/frysk/hpd/PeekCommand.java
index 22d8db4..9c9ec52 100644
--- a/frysk-core/frysk/hpd/PeekCommand.java
+++ b/frysk-core/frysk/hpd/PeekCommand.java
@@ -58,6 +58,9 @@ public class PeekCommand extends ParameterizedCommand {
     }
 
     void interpret(CLI cli, Input cmd, Object options) {
+        if (cmd.size() < 1)
+	    throw new InvalidCommandException("Not enough "
+                + "parameters. Please specify an addess to peek at.");
 	if (cmd.size() > 1) {
 	    throw new InvalidCommandException("Too many parameters.");
 	}


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