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| 1 /* | |
| 2 * Copyright (C) 2009 Apple Inc. 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 | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "platform/win/SystemInfo.h" | |
| 27 | |
| 28 #include <windows.h> | |
| 29 | |
| 30 #if _WIN32_WINNT >= 0x0603 | |
| 31 #include <versionhelpers.h> | |
| 32 #endif | |
| 33 | |
| 34 namespace blink { | |
| 35 | |
| 36 #if _WIN32_WINNT < 0x0603 | |
| 37 static bool IsWindowsVistaOrGreater() | |
| 38 { | |
| 39 OSVERSIONINFOEXW osvi = { }; | |
| 40 osvi.dwOSVersionInfoSize = sizeof(osvi); | |
| 41 osvi.dwMajorVersion = HIBYTE(_WIN32_WINNT_VISTA); | |
| 42 osvi.dwMinorVersion = LOBYTE(_WIN32_WINNT_VISTA); | |
| 43 DWORDLONG condition = 0; | |
| 44 VER_SET_CONDITION(condition, VER_MAJORVERSION, VER_GREATER_EQUAL); | |
| 45 VER_SET_CONDITION(condition, VER_MINORVERSION, VER_GREATER_EQUAL); | |
| 46 return !!::VerifyVersionInfoW(&osvi, VER_MAJORVERSION | VER_MINORVERSION, co
ndition); | |
| 47 } | |
| 48 #endif | |
| 49 | |
| 50 bool isWindowsVistaOrGreater() | |
| 51 { | |
| 52 static bool initialized = false; | |
| 53 static bool cachedIsWindowsVistaOrGreater; | |
| 54 | |
| 55 if (!initialized) { | |
| 56 initialized = true; | |
| 57 cachedIsWindowsVistaOrGreater = IsWindowsVistaOrGreater(); | |
| 58 } | |
| 59 return cachedIsWindowsVistaOrGreater; | |
| 60 } | |
| 61 | |
| 62 } // namespace blink | |
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Chromium Code Reviews
Issue 1609083002:
Remove blink::isWindowsVistaOrGreater. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master