commit cca85d27a59c31e1b20e4c4adc7d9bb57606e584
author Chris Hall <chris.hall.list.highwayman.com> Fri Jul 23 11:27:11 2010 -0700
committer Paul Jakma <paul@quagga.net> Mon Mar 21 11:09:13 2011 +0000
tree 2330a624f08c04a4125dc3153c97d93361c2da85
parent d1de1c25962b5470f3825bc82d15e4dd29e1f842

lib: Fix accounting of memory

* lib/memory.c: (zrealloc) If is called with NULL pointer then it should
  increment allocations because it behaves the same as zmalloc.

  (zfree) is called with NULL pointer, it does nothing therefore allocation
  count should not change.

lib/memory.c

diff --git a/lib/memory.c b/lib/memory.c
index 4bac31d..4090fd9 100644
--- a/lib/memory.c
+++ b/lib/memory.c
@@ -111,6 +111,9 @@
   memory = realloc (ptr, size);
   if (memory == NULL)
     zerror ("realloc", type, size);
+  if (ptr == NULL)
+    alloc_inc (type);
+
   return memory;
 }
 
@@ -123,8 +126,11 @@
 void
 zfree (int type, void *ptr)
 {
-  alloc_dec (type);
-  free (ptr);
+  if (ptr != NULL)
+    {
+      alloc_dec (type);
+      free (ptr);
+    }
 }
 
 /*