| // 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 "printing/backend/printing_info_win.h" |
| |
| #include <stdint.h> |
| |
| #include "base/logging.h" |
| |
| namespace printing { |
| |
| namespace internal { |
| |
| uint8_t* GetDriverInfo(HANDLE printer, int level) { |
| DWORD size = 0; |
| ::GetPrinterDriver(printer, NULL, level, NULL, 0, &size); |
| if (size == 0) { |
| return NULL; |
| } |
| std::unique_ptr<uint8_t[]> buffer(new uint8_t[size]); |
| memset(buffer.get(), 0, size); |
| if (!::GetPrinterDriver(printer, NULL, level, buffer.get(), size, &size)) { |
| return NULL; |
| } |
| return buffer.release(); |
| } |
| |
| uint8_t* GetPrinterInfo(HANDLE printer, int level) { |
| DWORD size = 0; |
| ::GetPrinter(printer, level, NULL, 0, &size); |
| if (size == 0) { |
| LOG(WARNING) << "Failed to get size of PRINTER_INFO_" << level << |
| ", error = " << GetLastError(); |
| return NULL; |
| } |
| std::unique_ptr<uint8_t[]> buffer(new uint8_t[size]); |
| memset(buffer.get(), 0, size); |
| if (!::GetPrinter(printer, level, buffer.get(), size, &size)) { |
| LOG(WARNING) << "Failed to get PRINTER_INFO_" << level << |
| ", error = " << GetLastError(); |
| return NULL; |
| } |
| return buffer.release(); |
| } |
| |
| } // namespace internal |
| |
| } // namespace printing |