diff -r d8e5ca139d7c -r 649586dc385a src/base/cprintf_formats.hh
--- a/src/base/cprintf_formats.hh	Wed Jun 20 19:32:42 2012 -0400
+++ b/src/base/cprintf_formats.hh	Wed Jun 27 18:35:54 2012 +0100
@@ -203,16 +203,12 @@
         int flen = foo.str().size();
 
         if (fmt.width > flen) {
-            char *spaces = new char[fmt.width - flen + 1];
-            memset(spaces, ' ', fmt.width - flen);
-            spaces[fmt.width - flen] = 0;
+            std::string spaces(fmt.width - flen, ' ');
 
             if (fmt.flush_left)
                 out << foo.str() << spaces;
             else
                 out << spaces << foo.str();
-
-            delete [] spaces;
         } else
             out << data;
     } else
diff -r d8e5ca139d7c -r 649586dc385a src/mem/port_proxy.cc
--- a/src/mem/port_proxy.cc	Wed Jun 20 19:32:42 2012 -0400
+++ b/src/mem/port_proxy.cc	Wed Jun 27 18:35:54 2012 +0100
@@ -58,11 +58,13 @@
 void
 PortProxy::memsetBlob(Addr addr, uint8_t v, int size) const
 {
-    // quick and dirty...
-    uint8_t *buf = new uint8_t[size];
+    if (size > 0) {
+        // quick and dirty...
+        uint8_t *buf = new uint8_t[size];
 
-    std::memset(buf, v, size);
-    blobHelper(addr, buf, size, MemCmd::WriteReq);
+        std::memset(buf, v, size);
+        blobHelper(addr, buf, size, MemCmd::WriteReq);
 
-    delete [] buf;
+        delete [] buf;
+    }
 }