1 | /* DO NOT EDIT! GENERATED AUTOMATICALLY! */ |
2 | /* A GNU-like <limits.h>. |
3 | |
4 | Copyright 2016-2019 Free Software Foundation, Inc. |
5 | |
6 | This program is free software; you can redistribute it and/or |
7 | modify it under the terms of the GNU General Public License |
8 | as published by the Free Software Foundation; either version 3, or |
9 | (at your option) any later version. |
10 | |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | GNU General Public License for more details. |
15 | |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, see <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #ifndef _GL_LIMITS_H |
20 | |
21 | #if __GNUC__ >= 3 |
22 | #pragma GCC system_header |
23 | #endif |
24 | |
25 | |
26 | /* The include_next requires a split double-inclusion guard. */ |
27 | #include_next <limits.h> |
28 | |
29 | #ifndef _GL_LIMITS_H |
30 | #define _GL_LIMITS_H |
31 | |
32 | #ifndef LLONG_MIN |
33 | # if defined LONG_LONG_MIN /* HP-UX 11.31 */ |
34 | # define LLONG_MIN LONG_LONG_MIN |
35 | # elif defined LONGLONG_MIN /* IRIX 6.5 */ |
36 | # define LLONG_MIN LONGLONG_MIN |
37 | # elif defined __GNUC__ |
38 | # define LLONG_MIN (- __LONG_LONG_MAX__ - 1LL) |
39 | # endif |
40 | #endif |
41 | #ifndef LLONG_MAX |
42 | # if defined LONG_LONG_MAX /* HP-UX 11.31 */ |
43 | # define LLONG_MAX LONG_LONG_MAX |
44 | # elif defined LONGLONG_MAX /* IRIX 6.5 */ |
45 | # define LLONG_MAX LONGLONG_MAX |
46 | # elif defined __GNUC__ |
47 | # define LLONG_MAX __LONG_LONG_MAX__ |
48 | # endif |
49 | #endif |
50 | #ifndef ULLONG_MAX |
51 | # if defined ULONG_LONG_MAX /* HP-UX 11.31 */ |
52 | # define ULLONG_MAX ULONG_LONG_MAX |
53 | # elif defined ULONGLONG_MAX /* IRIX 6.5 */ |
54 | # define ULLONG_MAX ULONGLONG_MAX |
55 | # elif defined __GNUC__ |
56 | # define ULLONG_MAX (__LONG_LONG_MAX__ * 2ULL + 1ULL) |
57 | # endif |
58 | #endif |
59 | |
60 | /* The number of usable bits in an unsigned or signed integer type |
61 | with minimum value MIN and maximum value MAX, as an int expression |
62 | suitable in #if. Cover all known practical hosts. This |
63 | implementation exploits the fact that MAX is 1 less than a power of |
64 | 2, and merely counts the number of 1 bits in MAX; "COBn" means |
65 | "count the number of 1 bits in the low-order n bits"). */ |
66 | #define _GL_INTEGER_WIDTH(min, max) (((min) < 0) + _GL_COB128 (max)) |
67 | #define _GL_COB128(n) (_GL_COB64 ((n) >> 31 >> 31 >> 2) + _GL_COB64 (n)) |
68 | #define _GL_COB64(n) (_GL_COB32 ((n) >> 31 >> 1) + _GL_COB32 (n)) |
69 | #define _GL_COB32(n) (_GL_COB16 ((n) >> 16) + _GL_COB16 (n)) |
70 | #define _GL_COB16(n) (_GL_COB8 ((n) >> 8) + _GL_COB8 (n)) |
71 | #define _GL_COB8(n) (_GL_COB4 ((n) >> 4) + _GL_COB4 (n)) |
72 | #define _GL_COB4(n) (!!((n) & 8) + !!((n) & 4) + !!((n) & 2) + !!((n) & 1)) |
73 | |
74 | #ifndef WORD_BIT |
75 | /* Assume 'int' is 32 bits wide. */ |
76 | # define WORD_BIT 32 |
77 | #endif |
78 | #ifndef LONG_BIT |
79 | /* Assume 'long' is 32 or 64 bits wide. */ |
80 | # if LONG_MAX == INT_MAX |
81 | # define LONG_BIT 32 |
82 | # else |
83 | # define LONG_BIT 64 |
84 | # endif |
85 | #endif |
86 | |
87 | /* Macros specified by ISO/IEC TS 18661-1:2014. */ |
88 | |
89 | #if (! defined ULLONG_WIDTH \ |
90 | && (defined _GNU_SOURCE || defined __STDC_WANT_IEC_60559_BFP_EXT__)) |
91 | # define CHAR_WIDTH _GL_INTEGER_WIDTH (CHAR_MIN, CHAR_MAX) |
92 | # define SCHAR_WIDTH _GL_INTEGER_WIDTH (SCHAR_MIN, SCHAR_MAX) |
93 | # define UCHAR_WIDTH _GL_INTEGER_WIDTH (0, UCHAR_MAX) |
94 | # define SHRT_WIDTH _GL_INTEGER_WIDTH (SHRT_MIN, SHRT_MAX) |
95 | # define USHRT_WIDTH _GL_INTEGER_WIDTH (0, USHRT_MAX) |
96 | # define INT_WIDTH _GL_INTEGER_WIDTH (INT_MIN, INT_MAX) |
97 | # define UINT_WIDTH _GL_INTEGER_WIDTH (0, UINT_MAX) |
98 | # define LONG_WIDTH _GL_INTEGER_WIDTH (LONG_MIN, LONG_MAX) |
99 | # define ULONG_WIDTH _GL_INTEGER_WIDTH (0, ULONG_MAX) |
100 | # define LLONG_WIDTH _GL_INTEGER_WIDTH (LLONG_MIN, LLONG_MAX) |
101 | # define ULLONG_WIDTH _GL_INTEGER_WIDTH (0, ULLONG_MAX) |
102 | #endif /* !ULLONG_WIDTH && (_GNU_SOURCE || __STDC_WANT_IEC_60559_BFP_EXT__) */ |
103 | |
104 | #endif /* _GL_LIMITS_H */ |
105 | #endif /* _GL_LIMITS_H */ |
106 | |