From 7a24eb76d8a9623235539b315bb358c2dc4c2fc6 Mon Sep 17 00:00:00 2001
From: "timeless%mozdev.org" <timeless%mozdev.org>
Date: Wed, 10 Nov 2004 21:58:00 +0000
Subject: [PATCH] Bug 207309 nsMemoryImpl::Alloc of 0: 'size' in
 jsdValue::GetProperties r=shaver sr=shaver

---
 js/jsd/jsd_xpc.cpp | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/js/jsd/jsd_xpc.cpp b/js/jsd/jsd_xpc.cpp
index 92f23e52462..f264aa099ab 100644
--- a/js/jsd/jsd_xpc.cpp
+++ b/js/jsd/jsd_xpc.cpp
@@ -2169,18 +2169,20 @@ NS_IMETHODIMP
 jsdValue::GetProperties (jsdIProperty ***propArray, PRUint32 *length)
 {
     ASSERT_VALID_EPHEMERAL;
-    if (!JSD_IsValueObject(mCx, mValue)) {
-        *length = 0;
+    PRUint32 prop_count = JSD_IsValueObject(mCx, mValue)
+        ? JSD_GetCountOfProperties (mCx, mValue)
+        : 0;
+    if (!prop_count) {
+        if (length)
+            *length = 0;
         *propArray = 0;
         return NS_OK;
     }
 
-    jsdIProperty **pa_temp;
-    PRUint32 prop_count = JSD_GetCountOfProperties (mCx, mValue);
-    
-    pa_temp = NS_STATIC_CAST(jsdIProperty **,
-                             nsMemory::Alloc(sizeof (jsdIProperty *) * 
-                                             prop_count));
+    jsdIProperty **pa_temp =
+        NS_STATIC_CAST(jsdIProperty **,
+                       nsMemory::Alloc(sizeof (jsdIProperty *) * 
+                                       prop_count));
 
     PRUint32     i    = 0;
     JSDProperty *iter = NULL;