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author | RincewindsHat <12514511+RincewindsHat@users.noreply.github.com> | 2023-01-31 14:46:01 +0100 |
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committer | RincewindsHat <12514511+RincewindsHat@users.noreply.github.com> | 2023-01-31 14:46:01 +0100 |
commit | e8bd88d1fcded01ccd066572eeaae1b507989cb3 (patch) | |
tree | c8e7be6c07c6f635f6e803e6a6ba9e7a95fee7c0 /gl/minmax.h | |
parent | 2ad962c13473607ca0d974bfaa516a0ed53ec73d (diff) | |
download | monitoring-plugins-e8bd88d1fcded01ccd066572eeaae1b507989cb3.tar.gz |
Sync with the latest Gnulib code 668c0b8ffa
Diffstat (limited to 'gl/minmax.h')
-rw-r--r-- | gl/minmax.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/gl/minmax.h b/gl/minmax.h new file mode 100644 index 00000000..1fbfc661 --- /dev/null +++ b/gl/minmax.h | |||
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1 | /* MIN, MAX macros. | ||
2 | Copyright (C) 1995, 1998, 2001, 2003, 2005, 2009-2023 Free Software | ||
3 | Foundation, Inc. | ||
4 | |||
5 | This file is free software: you can redistribute it and/or modify | ||
6 | it under the terms of the GNU Lesser General Public License as | ||
7 | published by the Free Software Foundation; either version 2.1 of the | ||
8 | License, or (at your option) any later version. | ||
9 | |||
10 | This file is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | GNU Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public License | ||
16 | along with this program. If not, see <https://www.gnu.org/licenses/>. */ | ||
17 | |||
18 | #ifndef _MINMAX_H | ||
19 | #define _MINMAX_H | ||
20 | |||
21 | /* Note: MIN, MAX are also defined in <sys/param.h> on some systems | ||
22 | (glibc, IRIX, HP-UX, OSF/1). Therefore you might get warnings about | ||
23 | MIN, MAX macro redefinitions on some systems; the workaround is to | ||
24 | #include this file as the last one among the #include list. */ | ||
25 | |||
26 | /* Before we define the following symbols we get the <limits.h> file | ||
27 | since otherwise we get redefinitions on some systems if <limits.h> is | ||
28 | included after this file. Likewise for <sys/param.h>. | ||
29 | If more than one of these system headers define MIN and MAX, pick just | ||
30 | one of the headers (because the definitions most likely are the same). */ | ||
31 | #if HAVE_MINMAX_IN_LIMITS_H | ||
32 | # include <limits.h> | ||
33 | #elif HAVE_MINMAX_IN_SYS_PARAM_H | ||
34 | # include <sys/param.h> | ||
35 | #endif | ||
36 | |||
37 | /* Note: MIN and MAX should be used with two arguments of the | ||
38 | same type. They might not return the minimum and maximum of their two | ||
39 | arguments, if the arguments have different types or have unusual | ||
40 | floating-point values. For example, on a typical host with 32-bit 'int', | ||
41 | 64-bit 'long long', and 64-bit IEEE 754 'double' types: | ||
42 | |||
43 | MAX (-1, 2147483648) returns 4294967295. | ||
44 | MAX (9007199254740992.0, 9007199254740993) returns 9007199254740992.0. | ||
45 | MAX (NaN, 0.0) returns 0.0. | ||
46 | MAX (+0.0, -0.0) returns -0.0. | ||
47 | |||
48 | and in each case the answer is in some sense bogus. */ | ||
49 | |||
50 | /* MAX(a,b) returns the maximum of A and B. */ | ||
51 | #ifndef MAX | ||
52 | # define MAX(a,b) ((a) > (b) ? (a) : (b)) | ||
53 | #endif | ||
54 | |||
55 | /* MIN(a,b) returns the minimum of A and B. */ | ||
56 | #ifndef MIN | ||
57 | # define MIN(a,b) ((a) < (b) ? (a) : (b)) | ||
58 | #endif | ||
59 | |||
60 | #endif /* _MINMAX_H */ | ||