1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "printing/backend/printing_info_win.h"
6
7#include "base/logging.h"
8
9namespace printing {
10
11namespace internal {
12
13uint8* GetDriverInfo(HANDLE printer, int level) {
14  DWORD size = 0;
15  ::GetPrinterDriver(printer, NULL, level, NULL, 0, &size);
16  if (size == 0) {
17    return NULL;
18  }
19  scoped_ptr<uint8[]> buffer(new uint8[size]);
20  memset(buffer.get(), 0, size);
21  if (!::GetPrinterDriver(printer, NULL, level, buffer.get(), size, &size)) {
22    return NULL;
23  }
24  return buffer.release();
25}
26
27uint8* GetPrinterInfo(HANDLE printer, int level) {
28  DWORD size = 0;
29  ::GetPrinter(printer, level, NULL, 0, &size);
30  if (size == 0) {
31    LOG(WARNING) << "Failed to get size of PRINTER_INFO_" << level <<
32                    ", error = " << GetLastError();
33    return NULL;
34  }
35  scoped_ptr<uint8[]> buffer(new uint8[size]);
36  memset(buffer.get(), 0, size);
37  if (!::GetPrinter(printer, level, buffer.get(), size, &size)) {
38    LOG(WARNING) << "Failed to get PRINTER_INFO_" << level <<
39                    ", error = " << GetLastError();
40    return NULL;
41  }
42  return buffer.release();
43}
44
45}  // namespace internal
46
47}  // namespace printing
48