changes in memory mount and socket subsystem to port thttpd

libraries/nacl-mounts/memory/MemNode.cc

Index: libraries/nacl-mounts/memory/MemNode.cc
===================================================================
--- libraries/nacl-mounts/memory/MemNode.cc	(revision 598)
+++ libraries/nacl-mounts/memory/MemNode.cc	(working copy)
@@ -7,6 +7,7 @@
 #include "MemNode.h"
 #include <assert.h>
 #include <errno.h>
+#include <nacl-mounts/util/DebugPrint.h>
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -22,12 +23,14 @@
 }
 
 int MemNode::stat(struct stat *buf) {
+  if (!buf) return 0;
   memset(buf, 0, sizeof(struct stat));
   buf->st_ino = (ino_t)slot_;
   if (is_dir()) {
     buf->st_mode = S_IFDIR | 0777;
   } else {
-    buf->st_mode = S_IFREG | 0777;
+    buf->st_mode = S_IFREG | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH
+                 | S_IWOTH;
     buf->st_size = len_;
   }
   buf->st_uid = 1001;