=== modified file 'src/mem_node.cc'
--- src/mem_node.cc	2009-01-21 03:47:47 +0000
+++ src/mem_node.cc	2010-09-06 06:54:29 +0000
@@ -36,19 +36,19 @@
 #include "squid.h"
 #include "mem_node.h"
 
-static int makeMemNodeDataOffset();
+static ptrdiff_t makeMemNodeDataOffset();
 
-static int _mem_node_data_offset = makeMemNodeDataOffset();
+static ptrdiff_t _mem_node_data_offset = makeMemNodeDataOffset();
 
 /*
  * Calculate the offset between the start of a mem_node and
  * its 'data' member
  */
-static int
+static ptrdiff_t
 makeMemNodeDataOffset()
 {
     mem_node *p = 0L;
-    return int(ptrdiff_t(&p->data));
+    return ptrdiff_t(&p->data);
 }
 
 /*
@@ -60,7 +60,7 @@
 void
 memNodeWriteComplete(void* d)
 {
-    mem_node* n = (mem_node*)((char*)d - _mem_node_data_offset);
+    mem_node* n = (mem_node*)(d - _mem_node_data_offset);
     assert(n->write_pending);
     n->write_pending = 0;
 }