[NaCl SDK] Add UDP and TCP Sockets

native_client_sdk/src/libraries/nacl_io/pepper_interface.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_io/pepper_interface.h"
 #include <errno.h>
 #include <ppapi/c/pp_errors.h>
 
 namespace nacl_io {
 
 ScopedResource::ScopedResource(PepperInterface* ppapi, PP_Resource resource)
     : ppapi_(ppapi),
       resource_(resource) {
 }
 
 ScopedResource::~ScopedResource() {
   if (resource_)
     ppapi_->ReleaseResource(resource_);
 }
 
 PP_Resource ScopedResource::Release() {
   PP_Resource result = resource_;
   resource_ = 0;
   return result;
 }
 
 int PPErrorToErrno(int32_t err) {
+  // If not an error, then just return it.
+  if (err >= PP_OK)
+    return err;
+
   switch (err) {
-    case PP_OK: return 0;
     case PP_OK_COMPLETIONPENDING: return 0;
     case PP_ERROR_FAILED: return EPERM;
     case PP_ERROR_ABORTED: return EPERM;
     case PP_ERROR_BADARGUMENT: return EINVAL;
     case PP_ERROR_BADRESOURCE: return EBADF;
     case PP_ERROR_NOINTERFACE: return ENOSYS;
     case PP_ERROR_NOACCESS: return EACCES;
     case PP_ERROR_NOMEMORY: return ENOMEM;
     case PP_ERROR_NOSPACE: return ENOSPC;
     case PP_ERROR_NOQUOTA: return ENOSPC;
     case PP_ERROR_INPROGRESS: return EBUSY;
     case PP_ERROR_NOTSUPPORTED: return ENOSYS;
     case PP_ERROR_BLOCKS_MAIN_THREAD: return EPERM;
     case PP_ERROR_FILENOTFOUND: return ENOENT;
     case PP_ERROR_FILEEXISTS: return EEXIST;
     case PP_ERROR_FILETOOBIG: return EFBIG;
     case PP_ERROR_FILECHANGED: return EINVAL;
     case PP_ERROR_TIMEDOUT: return EBUSY;
     case PP_ERROR_USERCANCEL: return EPERM;
     case PP_ERROR_NO_USER_GESTURE: return EPERM;
     case PP_ERROR_CONTEXT_LOST: return EPERM;
     case PP_ERROR_NO_MESSAGE_LOOP: return EPERM;
     case PP_ERROR_WRONG_THREAD: return EPERM;
+    case PP_ERROR_CONNECTION_ABORTED: return ECONNABORTED;
+    case PP_ERROR_CONNECTION_REFUSED: return ECONNREFUSED;
+    case PP_ERROR_CONNECTION_FAILED: return ECONNREFUSED;
+    case PP_ERROR_CONNECTION_TIMEDOUT: return ETIMEDOUT;
+    case PP_ERROR_ADDRESS_UNREACHABLE: return ENETUNREACH;
+    case PP_ERROR_ADDRESS_IN_USE: return EADDRINUSE;
   }
 
   return EINVAL;
 }
 
 }  // namespace nacl_io