From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- mfbt/WindowsVersion.h | 230 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 230 insertions(+) create mode 100644 mfbt/WindowsVersion.h (limited to 'mfbt/WindowsVersion.h') diff --git a/mfbt/WindowsVersion.h b/mfbt/WindowsVersion.h new file mode 100644 index 000000000..f8b071861 --- /dev/null +++ b/mfbt/WindowsVersion.h @@ -0,0 +1,230 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_WindowsVersion_h +#define mozilla_WindowsVersion_h + +#include "mozilla/Attributes.h" +#include +#include + +namespace mozilla { + +inline bool +IsWindowsVersionOrLater(uint32_t aVersion) +{ + static uint32_t minVersion = 0; + static uint32_t maxVersion = UINT32_MAX; + + if (minVersion >= aVersion) { + return true; + } + + if (aVersion >= maxVersion) { + return false; + } + + OSVERSIONINFOEX info; + ZeroMemory(&info, sizeof(OSVERSIONINFOEX)); + info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX); + info.dwMajorVersion = aVersion >> 24; + info.dwMinorVersion = (aVersion >> 16) & 0xFF; + info.wServicePackMajor = (aVersion >> 8) & 0xFF; + info.wServicePackMinor = aVersion & 0xFF; + + DWORDLONG conditionMask = 0; + VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL); + VER_SET_CONDITION(conditionMask, VER_MINORVERSION, VER_GREATER_EQUAL); + VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL); + VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMINOR, VER_GREATER_EQUAL); + + if (VerifyVersionInfo(&info, + VER_MAJORVERSION | VER_MINORVERSION | + VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR, + conditionMask)) { + minVersion = aVersion; + return true; + } + + maxVersion = aVersion; + return false; +} + +inline bool +IsWindowsBuildOrLater(uint32_t aBuild) +{ + static uint32_t minBuild = 0; + static uint32_t maxBuild = UINT32_MAX; + + if (minBuild >= aBuild) { + return true; + } + + if (aBuild >= maxBuild) { + return false; + } + + OSVERSIONINFOEX info; + ZeroMemory(&info, sizeof(OSVERSIONINFOEX)); + info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX); + info.dwBuildNumber = aBuild; + + DWORDLONG conditionMask = 0; + VER_SET_CONDITION(conditionMask, VER_BUILDNUMBER, VER_GREATER_EQUAL); + + if (VerifyVersionInfo(&info, VER_BUILDNUMBER, conditionMask)) { + minBuild = aBuild; + return true; + } + + maxBuild = aBuild; + return false; +} + +#if defined(_M_X64) || defined(_M_AMD64) +// We support only Win7 or later on Win64. +MOZ_ALWAYS_INLINE bool +IsXPSP3OrLater() +{ + return true; +} + +MOZ_ALWAYS_INLINE bool +IsWin2003OrLater() +{ + return true; +} + +MOZ_ALWAYS_INLINE bool +IsWin2003SP2OrLater() +{ + return true; +} + +MOZ_ALWAYS_INLINE bool +IsVistaOrLater() +{ + return true; +} + +MOZ_ALWAYS_INLINE bool +IsVistaSP1OrLater() +{ + return true; +} + +MOZ_ALWAYS_INLINE bool +IsWin7OrLater() +{ + return true; +} +#else +MOZ_ALWAYS_INLINE bool +IsXPSP3OrLater() +{ + return IsWindowsVersionOrLater(0x05010300ul); +} + +MOZ_ALWAYS_INLINE bool +IsWin2003OrLater() +{ + return IsWindowsVersionOrLater(0x05020000ul); +} + +MOZ_ALWAYS_INLINE bool +IsWin2003SP2OrLater() +{ + return IsWindowsVersionOrLater(0x05020200ul); +} + +MOZ_ALWAYS_INLINE bool +IsVistaOrLater() +{ + return IsWindowsVersionOrLater(0x06000000ul); +} + +MOZ_ALWAYS_INLINE bool +IsVistaSP1OrLater() +{ + return IsWindowsVersionOrLater(0x06000100ul); +} + +MOZ_ALWAYS_INLINE bool +IsWin7OrLater() +{ + return IsWindowsVersionOrLater(0x06010000ul); +} +#endif + +MOZ_ALWAYS_INLINE bool +IsWin7SP1OrLater() +{ + return IsWindowsVersionOrLater(0x06010100ul); +} + +MOZ_ALWAYS_INLINE bool +IsWin8OrLater() +{ + return IsWindowsVersionOrLater(0x06020000ul); +} + +MOZ_ALWAYS_INLINE bool +IsWin8Point1OrLater() +{ + return IsWindowsVersionOrLater(0x06030000ul); +} + +MOZ_ALWAYS_INLINE bool +IsWin10OrLater() +{ + return IsWindowsVersionOrLater(0x0a000000ul); +} + +MOZ_ALWAYS_INLINE bool +IsNotWin7PreRTM() +{ + return IsWin7SP1OrLater() || !IsWin7OrLater() || + IsWindowsBuildOrLater(7600); +} + +MOZ_ALWAYS_INLINE bool +IsWin7AndPre2000Compatible() { + /* + * See Bug 1279171. + * We'd like to avoid using WMF on specific OS version when compatibility + * mode is in effect. The purpose of this function is to check if FF runs on + * Win7 OS with application compatibility mode being set to 95/98/ME. + * Those compatibility mode options (95/98/ME) can only display and + * be selected for 32-bit application. + * If the compatibility mode is in effect, the GetVersionEx function will + * report the OS as it identifies itself, which may not be the OS that is + * installed. + * Note : 1) We only target for Win7 build number greater than 7600. + * 2) GetVersionEx may be altered or unavailable for release after + * Win8.1. Set pragma to avoid build warning as error. + */ + bool isWin7 = IsNotWin7PreRTM() && !IsWin8OrLater(); + if (!isWin7) { + return false; + } + + OSVERSIONINFOEX info; + ZeroMemory(&info, sizeof(OSVERSIONINFOEX)); + + info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX); +#pragma warning(push) +#pragma warning(disable:4996) + bool success = GetVersionEx((LPOSVERSIONINFO) &info); +#pragma warning(pop) + if (!success) { + return false; + } + return info.dwMajorVersion < 5; +} + +} // namespace mozilla + +#endif /* mozilla_WindowsVersion_h */ -- cgit v1.2.3