utilities/src/SecCFRelease.h

   1 //
   2 //  SecCFRelease.h
   3 //  utilities
   4 //
   5 //  Created by Mitch Adler on 2/9/12.
   6 //  Copyright (c) 2012 Apple Inc. All rights reserved.
   7 //
   8
   9 #ifndef _SECCFRELEASE_H_
  10 #define _SECCFRELEASE_H_
  11
  12 #include <CoreFoundation/CFBase.h>
  13
  14 #define CFRetainSafe(CF) {  \
  15     CFTypeRef _cf = (CF);   \
  16     if (_cf)                \
  17         CFRetain(_cf);      \
  18     }
  19
  20 #define CFReleaseSafe(CF) { \
  21     CFTypeRef _cf = (CF);   \
  22     if (_cf)                \
  23         CFRelease(_cf);     \
  24     }
  25
  26 #define CFReleaseNull(CF) { \
  27     CFTypeRef _cf = (CF);   \
  28     if (_cf) {              \
  29         (CF) = NULL;        \
  30         CFRelease(_cf);     \
  31         }                   \
  32     }
  33
  34 #endif