toolkit/crashreporter/google-breakpad/src/common/windows/string_utils.cc@129ffea94266
toolkit/crashreporter/google-breakpad/src/common/windows/string_utils.cc
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
1 // Copyright (c) 2006, Google Inc.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 // * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above
11 // copyright notice, this list of conditions and the following disclaimer
12 // in the documentation and/or other materials provided with the
13 // distribution.
14 // * Neither the name of Google Inc. nor the names of its
15 // contributors may be used to endorse or promote products derived from
16 // this software without specific prior written permission.
17 //
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include <cassert>
31 #include <vector>
33 #include "common/windows/string_utils-inl.h"
35 namespace google_breakpad {
37 // static
38 wstring WindowsStringUtils::GetBaseName(const wstring &filename) {
39 wstring base_name(filename);
40 size_t slash_pos = base_name.find_last_of(L"/\\");
41 if (slash_pos != wstring::npos) {
42 base_name.erase(0, slash_pos + 1);
43 }
44 return base_name;
45 }
47 // static
48 bool WindowsStringUtils::safe_mbstowcs(const string &mbs, wstring *wcs) {
49 assert(wcs);
51 // First, determine the length of the destination buffer.
52 size_t wcs_length;
54 #if _MSC_VER >= 1400 // MSVC 2005/8
55 errno_t err;
56 if ((err = mbstowcs_s(&wcs_length, NULL, 0, mbs.c_str(), _TRUNCATE)) != 0) {
57 return false;
58 }
59 assert(wcs_length > 0);
60 #else // _MSC_VER >= 1400
61 if ((wcs_length = mbstowcs(NULL, mbs.c_str(), mbs.length())) < 0) {
62 return false;
63 }
65 // Leave space for the 0-terminator.
66 ++wcs_length;
67 #endif // _MSC_VER >= 1400
69 std::vector<wchar_t> wcs_v(wcs_length);
71 // Now, convert.
72 #if _MSC_VER >= 1400 // MSVC 2005/8
73 if ((err = mbstowcs_s(NULL, &wcs_v[0], wcs_length, mbs.c_str(),
74 _TRUNCATE)) != 0) {
75 return false;
76 }
77 #else // _MSC_VER >= 1400
78 if (mbstowcs(&wcs_v[0], mbs.c_str(), mbs.length()) < 0) {
79 return false;
80 }
82 // Ensure presence of 0-terminator.
83 wcs_v[wcs_length - 1] = '\0';
84 #endif // _MSC_VER >= 1400
86 *wcs = &wcs_v[0];
87 return true;
88 }
90 // static
91 bool WindowsStringUtils::safe_wcstombs(const wstring &wcs, string *mbs) {
92 assert(mbs);
94 // First, determine the length of the destination buffer.
95 size_t mbs_length;
97 #if _MSC_VER >= 1400 // MSVC 2005/8
98 errno_t err;
99 if ((err = wcstombs_s(&mbs_length, NULL, 0, wcs.c_str(), _TRUNCATE)) != 0) {
100 return false;
101 }
102 assert(mbs_length > 0);
103 #else // _MSC_VER >= 1400
104 if ((mbs_length = wcstombs(NULL, wcs.c_str(), wcs.length())) < 0) {
105 return false;
106 }
108 // Leave space for the 0-terminator.
109 ++mbs_length;
110 #endif // _MSC_VER >= 1400
112 std::vector<char> mbs_v(mbs_length);
114 // Now, convert.
115 #if _MSC_VER >= 1400 // MSVC 2005/8
116 if ((err = wcstombs_s(NULL, &mbs_v[0], mbs_length, wcs.c_str(),
117 _TRUNCATE)) != 0) {
118 return false;
119 }
120 #else // _MSC_VER >= 1400
121 if (wcstombs(&mbs_v[0], wcs.c_str(), wcs.length()) < 0) {
122 return false;
123 }
125 // Ensure presence of 0-terminator.
126 mbs_v[mbs_length - 1] = '\0';
127 #endif // _MSC_VER >= 1400
129 *mbs = &mbs_v[0];
130 return true;
131 }
133 } // namespace google_breakpad
