mfbt/NumericLimits.h@97036ab72558
mfbt/NumericLimits.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 /* Compatibility with std::numeric_limits<char16_t>. */
9 #ifndef mozilla_NumericLimits_h
10 #define mozilla_NumericLimits_h
12 #include "mozilla/Char16.h"
14 #include <limits>
15 #include <stdint.h>
17 namespace mozilla {
19 /**
20 * The NumericLimits class provides a compatibility layer with std::numeric_limits
21 * for char16_t, otherwise it is exactly the same as std::numeric_limits.
22 * Code which does not need std::numeric_limits<char16_t> should avoid using
23 * NumericLimits.
24 */
25 template<typename T>
26 class NumericLimits : public std::numeric_limits<T>
27 {
28 };
30 #ifdef MOZ_CHAR16_IS_NOT_WCHAR
31 template<>
32 class NumericLimits<char16_t> : public std::numeric_limits<uint16_t>
33 {
34 // char16_t and uint16_t numeric limits should be exactly the same.
35 };
36 #endif
38 } // namespace mozilla
40 #endif /* mozilla_NumericLimits_h */
