[Bigdata-commit] SF.net SVN: bigdata:[3963] branches/JOURNAL_HA_BRANCH/bigdata/src/java/com/ bigdata/rwstore/FixedAllocator.java

[<tho...@us...>]

Revision: 3963
          http://bigdata.svn.sourceforge.net/bigdata/?rev=3963&view=rev
Author:   thompsonbry
Date:     2010-11-18 17:49:36 +0000 (Thu, 18 Nov 2010)

Log Message:
-----------
Added trap for non-positive sizes on alloc.

Modified Paths:
--------------
    branches/JOURNAL_HA_BRANCH/bigdata/src/java/com/bigdata/rwstore/FixedAllocator.java

Modified: branches/JOURNAL_HA_BRANCH/bigdata/src/java/com/bigdata/rwstore/FixedAllocator.java
===================================================================
--- branches/JOURNAL_HA_BRANCH/bigdata/src/java/com/bigdata/rwstore/FixedAllocator.java	2010-11-18 17:44:52 UTC (rev 3962)
+++ branches/JOURNAL_HA_BRANCH/bigdata/src/java/com/bigdata/rwstore/FixedAllocator.java	2010-11-18 17:49:36 UTC (rev 3963)
@@ -461,8 +461,13 @@
 	 * must therefore handle the 
 	 */
 	public int alloc(final RWStore store, final int size, final IAllocationContext context) {
-		int addr = -1;
 
+        if (size <= 0)
+            throw new IllegalArgumentException(
+                    "Allocate requires positive size, got: " + size);
+
+	    int addr = -1;
+
 		final Iterator<AllocBlock> iter = m_allocBlocks.iterator();
 		int count = -1;
 		while (addr == -1 && iter.hasNext()) {


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