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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 |