ref: ba9a38b8266fd42f2bc327b7e6e60866812cbb92
dir: /src/libflac/private/macros.h/
/* libFLAC - Free Lossless Audio Codec library * Copyright (C) 2012-2016 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> #define flac_max(a,b) MAX(a,b) #define flac_min(a,b) MIN(a,b) /* 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