1 // Copyright 2013 Google Inc. All rights reserved.
2 //
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are
5 // met:
6 //
7 // * Redistributions of source code must retain the above copyright
8 // notice, this list of conditions and the following disclaimer.
9 // * Redistributions in binary form must reproduce the above
10 // copyright notice, this list of conditions and the following disclaimer
11 // in the documentation and/or other materials provided with the
12 // distribution.
13 // * Neither the name of Google Inc. nor the names of its
14 // contributors may be used to endorse or promote products derived from
15 // this software without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 #include "common/windows/dia_util.h"
30
31 #include <atlbase.h>
32
33 namespace google_breakpad {
34
FindDebugStream(const wchar_t * name,IDiaSession * session,IDiaEnumDebugStreamData ** debug_stream)35 bool FindDebugStream(const wchar_t* name,
36 IDiaSession* session,
37 IDiaEnumDebugStreamData** debug_stream) {
38 CComPtr<IDiaEnumDebugStreams> enum_debug_streams;
39 if (FAILED(session->getEnumDebugStreams(&enum_debug_streams))) {
40 fprintf(stderr, "IDiaSession::getEnumDebugStreams failed\n");
41 return false;
42 }
43
44 CComPtr<IDiaEnumDebugStreamData> temp_debug_stream;
45 ULONG fetched = 0;
46 while (SUCCEEDED(enum_debug_streams->Next(1, &temp_debug_stream, &fetched)) &&
47 fetched == 1) {
48 CComBSTR stream_name;
49 if (FAILED(temp_debug_stream->get_name(&stream_name))) {
50 fprintf(stderr, "IDiaEnumDebugStreamData::get_name failed\n");
51 return false;
52 }
53
54 // Found the stream?
55 if (wcsncmp((LPWSTR)stream_name, name, stream_name.Length()) == 0) {
56 *debug_stream = temp_debug_stream.Detach();
57 return true;
58 }
59
60 temp_debug_stream.Release();
61 }
62
63 // No table was found.
64 return false;
65 }
66
FindTable(REFIID iid,IDiaSession * session,void ** table)67 bool FindTable(REFIID iid, IDiaSession* session, void** table) {
68 // Get the table enumerator.
69 CComPtr<IDiaEnumTables> enum_tables;
70 if (FAILED(session->getEnumTables(&enum_tables))) {
71 fprintf(stderr, "IDiaSession::getEnumTables failed\n");
72 return false;
73 }
74
75 // Iterate through the tables.
76 CComPtr<IDiaTable> temp_table;
77 ULONG fetched = 0;
78 while (SUCCEEDED(enum_tables->Next(1, &temp_table, &fetched)) &&
79 fetched == 1) {
80 void* temp = NULL;
81 if (SUCCEEDED(temp_table->QueryInterface(iid, &temp))) {
82 *table = temp;
83 return true;
84 }
85 temp_table.Release();
86 }
87
88 // The table was not found.
89 return false;
90 }
91
92 } // namespace google_breakpad