Files
swift-mirror/stdlib/private/StdlibUnittest/GetOSVersion.mm
Greg Parker 58c9b45c78 [runtime] Clean up symbols in StdlibUnittest and the internal leak checker.
* Export fewer symbols.
* Prefix exported but not-public symbols with `_swift_`.
2017-10-24 13:13:43 -07:00

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//===--- GetOSVersion.mm --------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#if defined(__APPLE__)
#include <Foundation/Foundation.h>
#include "swift/Runtime/Config.h"
SWIFT_CC(swift) LLVM_LIBRARY_VISIBILITY extern "C"
const char *
getSystemVersionPlistProperty(const char *PropertyName) {
// This function is implemented in Objective-C because Swift does not support
// failing initializers.
if (!PropertyName)
return nullptr;
NSDictionary *SystemVersion =
[NSDictionary dictionaryWithContentsOfFile:
@"/System/Library/CoreServices/SystemVersion.plist"];
if (!SystemVersion)
return nullptr;
NSString *PropertyNameString = [NSString stringWithUTF8String:PropertyName];
const char *Result = strdup([SystemVersion[PropertyNameString] UTF8String]);
[PropertyNameString release];
[SystemVersion release];
return Result;
}
#endif