src/libFLAC/include/private/macros.h

   1 /* libFLAC - Free Lossless Audio Codec library
   2  * Copyright (C) 2012  Xiph.org Foundation
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  * - Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *
  11  * - Redistributions in binary form must reproduce the above copyright
  12  * notice, this list of conditions and the following disclaimer in the
  13  * documentation and/or other materials provided with the distribution.
  14  *
  15  * - Neither the name of the Xiph.org Foundation nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
  23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  26  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  27  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef FLAC__PRIVATE__MACROS_H
  33 #define FLAC__PRIVATE__MACROS_H
  34
  35 #if defined(__GNUC__)
  36
  37 #define flac_max(a,b) \
  38     ({ __typeof__ (a) _a = (a); \
  39     __typeof__ (b) _b = (b); \
  40     _a > _b ? _a : _b; })
  41
  42 #define flac_min(a,b) \
  43     ({ __typeof__ (a) _a = (a); \
  44     __typeof__ (b) _b = (b); \
  45     _a < _b ? _a : _b; })
  46
  47 /* Whatever other unix that has sys/param.h */
  48 #elif defined(HAVE_SYS_PARAM_H)
  49 #include <sys/param.h>
  50 #define flac_max(a,b) MAX(a,b)
  51 #define flac_min(a,b) MIN(a,b)
  52
  53 /* Windows VS has them in stdlib.h.. XXX:Untested */
  54 #elif defined(_MSC_VER)
  55 #include <stdlib.h>
  56 #define flac_max(a,b) __max(a,b)
  57 #define flac_min(a,b) __min(a,b)
  58 #endif
  59
  60 #if !defined(__cplusplus) && defined(_MSC_VER)
  61 #ifndef inline
  62 #define inline __inline
  63 #endif
  64 #endif
  65
  66 #endif