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0c82636156
Change _stdlib_isOSVersionAtLeast on tvOS to actually check the running OS version rather than always returning false. It still always returns false on watchOS; rdar://problem/20234735 tracks that. rdar://problem/20663303 Swift SVN r28024
118 lines
2.8 KiB
Swift
118 lines
2.8 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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import SwiftShims
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/// Returns 1 if the running OS version is greater than or equal to
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/// major.minor.patchVersion and 0 otherwise.
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/// This is a magic entrypoint known to the compiler. It is called in
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/// generated code for API availability checking.
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@_semantics("availability.osversion")
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public func _stdlib_isOSVersionAtLeast(
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major: Builtin.Word,
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_ minor: Builtin.Word,
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_ patch: Builtin.Word
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) -> Builtin.Int1 {
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#if os(OSX) || os(iOS) || os(tvOS)
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let runningVersion = _swift_stdlib_operatingSystemVersion()
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let queryVersion = _SwiftNSOperatingSystemVersion(
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majorVersion: Int(major),
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minorVersion: Int(minor),
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patchVersion: Int(patch)
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)
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let result = runningVersion >= queryVersion
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return result.value
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#else
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// FIXME: As yet, there is no obvious versioning standard for platforms other
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// than Darwin-based OS', so we just assume false for now.
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// rdar://problem/18881232
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return false.value
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#endif
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}
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extension _SwiftNSOperatingSystemVersion : Comparable { }
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public func ==(
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left: _SwiftNSOperatingSystemVersion,
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right: _SwiftNSOperatingSystemVersion
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) -> Bool {
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return left.majorVersion == right.majorVersion &&
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left.minorVersion == right.minorVersion &&
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left.patchVersion == right.patchVersion
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}
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/// Lexicographic comparison of version components.
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public func <(
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left: _SwiftNSOperatingSystemVersion,
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right: _SwiftNSOperatingSystemVersion
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) -> Bool {
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if left.majorVersion > right.majorVersion {
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return false
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}
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if left.majorVersion < right.majorVersion {
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return true
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}
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if left.minorVersion > right.minorVersion {
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return false
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}
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if left.minorVersion < right.minorVersion {
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return true
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}
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if left.patchVersion > right.patchVersion {
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return false
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}
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if left.patchVersion < right.patchVersion {
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return true
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}
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return false
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}
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public func >=(
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left: _SwiftNSOperatingSystemVersion,
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right: _SwiftNSOperatingSystemVersion
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) -> Bool {
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if left.majorVersion < right.majorVersion {
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return false
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}
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if left.majorVersion > right.majorVersion {
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return true
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}
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if left.minorVersion < right.minorVersion {
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return false
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}
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if left.minorVersion > right.minorVersion {
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return true
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}
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if left.patchVersion < right.patchVersion {
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return false
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}
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if left.patchVersion > right.patchVersion {
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return true
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}
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return true
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}
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