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// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
@_implementationOnly import CoreFoundation
/* Output from NSLogv is serialized, in that only one thread in a process can be doing
* the writing/logging described above at a time. All attempts at writing/logging a
* message complete before the next thread can begin its attempts. The format specification
* allowed by these functions is that which is understood by NSString's formatting capabilities.
* CFLog1() uses writev/fprintf to write to stderr. Both these functions ensure atomic writes.
*/
public func NSLogv(_ format: String, _ args: CVaListPointer) {
let message = NSString(format: format, arguments: args)
CFLog1(CFLogLevel(kCFLogLevelWarning), message._cfObject)
}
public func NSLog(_ format: String, _ args: CVarArg...) {
withVaList(args) {
NSLogv(format, $0)
}
}
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