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
9 namespace printing {
10
11 namespace internal {
12
GetDriverInfo(HANDLE printer,int level)13 uint8* 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
GetPrinterInfo(HANDLE printer,int level)27 uint8* 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