| //===--- 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) SWIFT_RUNTIME_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 |
| |
