osquery-1/osquery/core/darwin/PECocoaBackportsGlobal.h
mike@arpaia.co c9fafc00d3 using '#pragma once' instead of '#ifndef HEADER'
let's start using #pragma once for our headers. it's less lines of code,
clang supports it, headers become more movable, etc. it's all around a
better plan.
2014-09-09 18:54:53 -07:00

69 lines
2.7 KiB
Objective-C

/*
* Copyright (c) 2014 Petroules Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
*this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
*AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
*FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
*DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#import <objc/runtime.h>
CF_INLINE void class_addInstanceMethodIfNecessary(Class clazz,
SEL realSelector,
SEL fakeSelector) {
if (!class_getInstanceMethod(clazz, realSelector)) {
Method method = class_getInstanceMethod(clazz, fakeSelector);
if (!class_addMethod(clazz,
realSelector,
method_getImplementation(method),
method_getTypeEncoding(method))) {
#if defined(DEBUG) && DEBUG
NSLog(@"PECocoaBackports: error adding -[%@ %@] (-[%@ %@])",
NSStringFromClass(clazz),
NSStringFromSelector(fakeSelector),
NSStringFromClass(clazz),
NSStringFromSelector(realSelector));
#endif
} else {
#if defined(DEBUG) && DEBUG
NSLog(@"PECocoaBackports: added -[%@ %@] (-[%@ %@])",
NSStringFromClass(clazz),
NSStringFromSelector(fakeSelector),
NSStringFromClass(clazz),
NSStringFromSelector(realSelector));
#endif
}
} else {
#if defined(DEBUG) && DEBUG
NSLog(
@"PECocoaBackports: skipped adding -[%@ %@] (-[%@ %@]); already exists",
NSStringFromClass(clazz),
NSStringFromSelector(fakeSelector),
NSStringFromClass(clazz),
NSStringFromSelector(realSelector));
#endif
}
}