[NaCl SDK] Add HTTP mount.

native_client_sdk/src/libraries/nacl_mounts/path.cc

 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "nacl_mounts/path.h"
 
 #include <stdio.h>
 #include <string.h>
 #include <string>
 
@@ skipping 128 matching lines @@
   return Range(paths, 0, paths.size());
 }
 
 // static
 std::string Path::Range(const StringArray_t& paths, size_t start, size_t end) {
   std::string out_path;
   size_t index = start;
 
   if (end > paths.size()) end = paths.size();
 
+  // If this is an absolute path, paths[0] == "/". In this case, we don't want
+  // to add an additional / separator.
   if (start == 0 && end > 0 && paths[0] == "/") {
-    if (end == 1) return std::string("/");
+    out_path += "/";
     index++;
   }
 
   for (; index < end; index++) {
-    if (index) out_path += "/";
     out_path += paths[index];
+    if (index < end - 1)
+      out_path += "/";
   }
 
   return out_path;
 }
 
 // static
 StringArray_t Path::Split(const std::string& path) {
   StringArray_t components;
   size_t offs = 0;
   size_t next = 0;
@@ skipping 20 matching lines @@
 }
 
 Path& Path::operator =(const Path& p) {
   paths_ = p.paths_;
   return *this;
 }
 
 Path& Path::operator =(const std::string& p) {
   return Set(p);
 }