| 1 | /* libFLAC - Free Lossless Audio Codec library |
| 2 | * Copyright (C) 2012-2016 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__) && (__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 | #define flac_max(a,b) MAX(a,b) |
| 54 | #define flac_min(a,b) MIN(a,b) |
| 55 | |
| 56 | /* Windows VS has them in stdlib.h.. XXX:Untested */ |
| 57 | #elif defined(_MSC_VER) |
| 58 | #include <stdlib.h> |
| 59 | #define flac_max(a,b) __max(a,b) |
| 60 | #define flac_min(a,b) __min(a,b) |
| 61 | #endif |
| 62 | |
| 63 | #ifndef MIN |
| 64 | #define MIN(x,y) ((x) <= (y) ? (x) : (y)) |
| 65 | #endif |
| 66 | |
| 67 | #ifndef MAX |
| 68 | #define MAX(x,y) ((x) >= (y) ? (x) : (y)) |
| 69 | #endif |
| 70 | |
| 71 | #endif |