1 /* libFLAC - Free Lossless Audio Codec library 2 * Copyright (C) 2012-2014 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(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 3))) 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 MIN_PASTE(A,B) A##B 43 #define MIN_IMPL(A,B,L) ({ \ 44 __typeof__(A) MIN_PASTE(__a,L) = (A); \ 45 __typeof__(B) MIN_PASTE(__b,L) = (B); \ 46 MIN_PASTE(__a,L) < MIN_PASTE(__b,L) ? MIN_PASTE(__a,L) : MIN_PASTE(__b,L); \ 47 }) 48 49 #define flac_min(A,B) MIN_IMPL(A,B,__COUNTER__) 50 51 /* Whatever other unix that has sys/param.h */ 52 #elif defined(HAVE_SYS_PARAM_H) 53 #include <sys/param.h> 54 #define flac_max(a,b) MAX(a,b) 55 #define flac_min(a,b) MIN(a,b) 56 57 /* Windows VS has them in stdlib.h.. XXX:Untested */ 58 #elif defined(_MSC_VER) 59 #include <stdlib.h> 60 #define flac_max(a,b) __max(a,b) 61 #define flac_min(a,b) __min(a,b) 62 #endif 63 64 #ifndef MIN 65 #define MIN(x,y) ((x) <= (y) ? (x) : (y)) 66 #endif 67 68 #ifndef MAX 69 #define MAX(x,y) ((x) >= (y) ? (x) : (y)) 70 #endif 71 72 #endif 73
