Index: lldb/trunk/source/Plugins/Platform/Android/AdbClient.cpp
===================================================================
--- lldb/trunk/source/Plugins/Platform/Android/AdbClient.cpp
+++ lldb/trunk/source/Plugins/Platform/Android/AdbClient.cpp
@@ -402,13 +402,14 @@
     return error;
 
   const auto output_filename = output_file_spec.GetPath();
-  std::ofstream dst(output_filename, std::ios::out | std::ios::binary);
-  if (!dst.is_open())
+  std::error_code EC;
+  llvm::raw_fd_ostream dst(output_filename, EC, llvm::sys::fs::F_None);
+  if (EC)
     return Error("Unable to open local file %s", output_filename.c_str());
 
   dst.write(&output_buffer[0], output_buffer.size());
   dst.close();
-  if (!dst)
+  if (dst.has_error())
     return Error("Failed to write file %s", output_filename.c_str());
   return Error();
 }
@@ -428,8 +429,9 @@
   const auto local_file_path = local_file.GetPath();
   llvm::FileRemover local_file_remover(local_file_path);
 
-  std::ofstream dst(local_file_path, std::ios::out | std::ios::binary);
-  if (!dst.is_open())
+  std::error_code EC;
+  llvm::raw_fd_ostream dst(local_file_path, EC, llvm::sys::fs::F_None);
+  if (EC)
     return Error("Unable to open local file %s", local_file_path.c_str());
 
   const auto remote_file_path = remote_file.GetPath(false);
@@ -447,6 +449,9 @@
     if (!eof)
       dst.write(&chunk[0], chunk.size());
   }
+  dst.close();
+  if (dst.has_error())
+    return Error("Failed to write file %s", local_file_path.c_str());
 
   local_file_remover.releaseFile();
   return error;
Index: lldb/trunk/source/Target/Platform.cpp
===================================================================
--- lldb/trunk/source/Target/Platform.cpp
+++ lldb/trunk/source/Target/Platform.cpp
@@ -1645,8 +1645,9 @@
                                     const FileSpec &dst_file_spec) {
   Error error;
 
-  std::ofstream dst(dst_file_spec.GetPath(), std::ios::out | std::ios::binary);
-  if (!dst.is_open()) {
+  std::error_code EC;
+  llvm::raw_fd_ostream dst(dst_file_spec.GetPath(), EC, llvm::sys::fs::F_None);
+  if (EC) {
     error.SetErrorStringWithFormat("unable to open destination file: %s",
                                    dst_file_spec.GetPath().c_str());
     return error;
Index: lldb/trunk/tools/lldb-server/lldb-platform.cpp
===================================================================
--- lldb/trunk/tools/lldb-server/lldb-platform.cpp
+++ lldb/trunk/tools/lldb-server/lldb-platform.cpp
@@ -106,23 +106,25 @@
     return Error("Failed to create directory %s: %s",
                  temp_file_spec.GetCString(), error.AsCString());
 
-  llvm::SmallString<PATH_MAX> temp_file_path;
+  llvm::SmallString<64> temp_file_path;
   temp_file_spec.AppendPathComponent("port-file.%%%%%%");
-  auto err_code = llvm::sys::fs::createUniqueFile(temp_file_spec.GetCString(),
+  int FD;
+  auto err_code = llvm::sys::fs::createUniqueFile(temp_file_spec.GetPath(), FD,
                                                   temp_file_path);
   if (err_code)
     return Error("Failed to create temp file: %s", err_code.message().c_str());
 
-  llvm::FileRemover tmp_file_remover(temp_file_path.c_str());
+  llvm::FileRemover tmp_file_remover(temp_file_path);
 
   {
-    std::ofstream temp_file(temp_file_path.c_str(), std::ios::out);
-    if (!temp_file.is_open())
-      return Error("Failed to open temp file %s", temp_file_path.c_str());
+    llvm::raw_fd_ostream temp_file(FD, true);
     temp_file << socket_id;
+    temp_file.close();
+    if (temp_file.has_error())
+      return Error("Failed to write to port file.");
   }
 
-  err_code = llvm::sys::fs::rename(temp_file_path.c_str(), file_spec.GetPath());
+  err_code = llvm::sys::fs::rename(temp_file_path, file_spec.GetPath());
   if (err_code)
     return Error("Failed to rename file %s to %s: %s", temp_file_path.c_str(),
                  file_spec.GetPath().c_str(), err_code.message().c_str());