1 /* -*- buffer-read-only: t -*- vi: set ro: */ 2 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */ 3 /* A GNU-like <limits.h>. 4 5 Copyright 2016-2019 Free Software Foundation, Inc. 6 7 This program is free software; you can redistribute it and/or 8 modify it under the terms of the GNU General Public License 9 as published by the Free Software Foundation; either version 3, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, see <https://www.gnu.org/licenses/>. */ 19 20 #ifndef _@GUARD_PREFIX@_LIMITS_H 21 22 #if __GNUC__ >= 3 23 @PRAGMA_SYSTEM_HEADER@ 24 #endif 25 @PRAGMA_COLUMNS@ 26 27 /* The include_next requires a split double-inclusion guard. */ 28 #@INCLUDE_NEXT@ @NEXT_LIMITS_H@ 29 30 #ifndef _@GUARD_PREFIX@_LIMITS_H 31 #define _@GUARD_PREFIX@_LIMITS_H 32 33 #ifndef LLONG_MIN 34 # if defined LONG_LONG_MIN /* HP-UX 11.31 */ 35 # define LLONG_MIN LONG_LONG_MIN 36 # elif defined LONGLONG_MIN /* IRIX 6.5 */ 37 # define LLONG_MIN LONGLONG_MIN 38 # elif defined __GNUC__ 39 # define LLONG_MIN (- __LONG_LONG_MAX__ - 1LL) 40 # endif 41 #endif 42 #ifndef LLONG_MAX 43 # if defined LONG_LONG_MAX /* HP-UX 11.31 */ 44 # define LLONG_MAX LONG_LONG_MAX 45 # elif defined LONGLONG_MAX /* IRIX 6.5 */ 46 # define LLONG_MAX LONGLONG_MAX 47 # elif defined __GNUC__ 48 # define LLONG_MAX __LONG_LONG_MAX__ 49 # endif 50 #endif 51 #ifndef ULLONG_MAX 52 # if defined ULONG_LONG_MAX /* HP-UX 11.31 */ 53 # define ULLONG_MAX ULONG_LONG_MAX 54 # elif defined ULONGLONG_MAX /* IRIX 6.5 */ 55 # define ULLONG_MAX ULONGLONG_MAX 56 # elif defined __GNUC__ 57 # define ULLONG_MAX (__LONG_LONG_MAX__ * 2ULL + 1ULL) 58 # endif 59 #endif 60 61 /* The number of usable bits in an unsigned or signed integer type 62 with minimum value MIN and maximum value MAX, as an int expression 63 suitable in #if. Cover all known practical hosts. This 64 implementation exploits the fact that MAX is 1 less than a power of 65 2, and merely counts the number of 1 bits in MAX; "COBn" means 66 "count the number of 1 bits in the low-order n bits"). */ 67 #define _GL_INTEGER_WIDTH(min, max) (((min) < 0) + _GL_COB128 (max)) 68 #define _GL_COB128(n) (_GL_COB64 ((n) >> 31 >> 31 >> 2) + _GL_COB64 (n)) 69 #define _GL_COB64(n) (_GL_COB32 ((n) >> 31 >> 1) + _GL_COB32 (n)) 70 #define _GL_COB32(n) (_GL_COB16 ((n) >> 16) + _GL_COB16 (n)) 71 #define _GL_COB16(n) (_GL_COB8 ((n) >> 8) + _GL_COB8 (n)) 72 #define _GL_COB8(n) (_GL_COB4 ((n) >> 4) + _GL_COB4 (n)) 73 #define _GL_COB4(n) (!!((n) & 8) + !!((n) & 4) + !!((n) & 2) + !!((n) & 1)) 74 75 #ifndef WORD_BIT 76 /* Assume 'int' is 32 bits wide. */ 77 # define WORD_BIT 32 78 #endif 79 #ifndef LONG_BIT 80 /* Assume 'long' is 32 or 64 bits wide. */ 81 # if LONG_MAX == INT_MAX 82 # define LONG_BIT 32 83 # else 84 # define LONG_BIT 64 85 # endif 86 #endif 87 88 /* Macros specified by ISO/IEC TS 18661-1:2014. */ 89 90 #if (! defined ULLONG_WIDTH \ 91 && (defined _GNU_SOURCE || defined __STDC_WANT_IEC_60559_BFP_EXT__)) 92 # define CHAR_WIDTH _GL_INTEGER_WIDTH (CHAR_MIN, CHAR_MAX) 93 # define SCHAR_WIDTH _GL_INTEGER_WIDTH (SCHAR_MIN, SCHAR_MAX) 94 # define UCHAR_WIDTH _GL_INTEGER_WIDTH (0, UCHAR_MAX) 95 # define SHRT_WIDTH _GL_INTEGER_WIDTH (SHRT_MIN, SHRT_MAX) 96 # define USHRT_WIDTH _GL_INTEGER_WIDTH (0, USHRT_MAX) 97 # define INT_WIDTH _GL_INTEGER_WIDTH (INT_MIN, INT_MAX) 98 # define UINT_WIDTH _GL_INTEGER_WIDTH (0, UINT_MAX) 99 # define LONG_WIDTH _GL_INTEGER_WIDTH (LONG_MIN, LONG_MAX) 100 # define ULONG_WIDTH _GL_INTEGER_WIDTH (0, ULONG_MAX) 101 # define LLONG_WIDTH _GL_INTEGER_WIDTH (LLONG_MIN, LLONG_MAX) 102 # define ULLONG_WIDTH _GL_INTEGER_WIDTH (0, ULLONG_MAX) 103 #endif /* !ULLONG_WIDTH && (_GNU_SOURCE || __STDC_WANT_IEC_60559_BFP_EXT__) */ 104 105 #endif /* _@GUARD_PREFIX@_LIMITS_H */ 106 #endif /* _@GUARD_PREFIX@_LIMITS_H */ 107