• macros.h
  • /* libFLAC - Free Lossless Audio Codec library
     * Copyright (C) 2012-2025  Xiph.Org Foundation
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     *
     * - Redistributions of source code must retain the above copyright
     * notice, this list of conditions and the following disclaimer.
     *
     * - 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.
     *
     * - Neither the name of the Xiph.org Foundation nor the names of its
     * contributors may be used to endorse or promote products derived from
     * this software without specific prior written permission.
     *
     * 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 FOUNDATION 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.
     */
    
    #ifndef FLAC__PRIVATE__MACROS_H
    #define FLAC__PRIVATE__MACROS_H
    
    #if defined(__GNUC__) && (__GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 3))
    
    #define flac_max(a,b) \
    	({ __typeof__ (a) _a = (a); \
    	__typeof__ (b) _b = (b); \
    	_a > _b ? _a : _b; })
    
    #define MIN_PASTE(A,B) A##B
    #define MIN_IMPL(A,B,L) ({ \
    	__typeof__(A) MIN_PASTE(__a,L) = (A); \
    	__typeof__(B) MIN_PASTE(__b,L) = (B); \
    	MIN_PASTE(__a,L) < MIN_PASTE(__b,L) ? MIN_PASTE(__a,L) : MIN_PASTE(__b,L); \
    	})
    
    #define flac_min(A,B) MIN_IMPL(A,B,__COUNTER__)
    
    /* Whatever other unix that has sys/param.h */
    #elif defined(HAVE_SYS_PARAM_H)
    #include <sys/param.h>
    #if defined(MIN) && defined(MAX)
    #define flac_max(a,b) MAX(a,b)
    #define flac_min(a,b) MIN(a,b)
    #endif
    
    /* Windows VS has them in stdlib.h.. XXX:Untested */
    #elif defined(_MSC_VER)
    #include <stdlib.h>
    #define flac_max(a,b) __max(a,b)
    #define flac_min(a,b) __min(a,b)
    #endif
    
    #ifndef flac_min
    #define flac_min(x,y)	((x) <= (y) ? (x) : (y))
    #endif
    
    #ifndef flac_max
    #define flac_max(x,y)	((x) >= (y) ? (x) : (y))
    #endif
    
    #endif