523 lines
15 KiB
C
523 lines
15 KiB
C
/* Copyright (C) 2001-2002, 2004-2007, 2009 Free Software Foundation, Inc.
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Written by Paul Eggert, Bruno Haible, Sam Steingold, Peter Burwood.
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This file is part of gnulib.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/*
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* ISO C 99 <stdint.h> for platforms that lack it.
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* <http://www.opengroup.org/susv3xbd/stdint.h.html>
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*/
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#ifndef _GL_STDINT_H
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/* When including a system file that in turn includes <inttypes.h>,
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use the system <inttypes.h>, not our substitute. This avoids
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problems with (for example) VMS, whose <sys/bitypes.h> includes
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<inttypes.h>. */
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#define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
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/* Get those types that are already defined in other system include
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files, so that we can "#define int8_t signed char" below without
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worrying about a later system include file containing a "typedef
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signed char int8_t;" that will get messed up by our macro. Our
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macros should all be consistent with the system versions, except
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for the "fast" types and macros, which we recommend against using
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in public interfaces due to compiler differences. */
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#if @HAVE_STDINT_H@
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# if defined __sgi && ! defined __c99
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/* Bypass IRIX's <stdint.h> if in C89 mode, since it merely annoys users
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with "This header file is to be used only for c99 mode compilations"
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diagnostics. */
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# define __STDINT_H__
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# endif
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/* Other systems may have an incomplete or buggy <stdint.h>.
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Include it before <inttypes.h>, since any "#include <stdint.h>"
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in <inttypes.h> would reinclude us, skipping our contents because
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_GL_STDINT_H is defined.
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The include_next requires a split double-inclusion guard. */
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# @INCLUDE_NEXT@ @NEXT_STDINT_H@
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#endif
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#if ! defined _GL_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
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#define _GL_STDINT_H
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/* <sys/types.h> defines some of the stdint.h types as well, on glibc,
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IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
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AIX 5.2 <sys/types.h> isn't needed and causes troubles.
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MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
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relies on the system <stdint.h> definitions, so include
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<sys/types.h> after @NEXT_STDINT_H@. */
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#if @HAVE_SYS_TYPES_H@ && ! defined _AIX
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# include <sys/types.h>
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#endif
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/* Get LONG_MIN, LONG_MAX, ULONG_MAX. */
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#include <limits.h>
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#if @HAVE_INTTYPES_H@
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/* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines
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int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__.
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<inttypes.h> also defines intptr_t and uintptr_t. */
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# include <inttypes.h>
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#elif @HAVE_SYS_INTTYPES_H@
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/* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
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the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX. */
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# include <sys/inttypes.h>
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#endif
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#if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__
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/* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines
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int{8,16,32,64}_t and __BIT_TYPES_DEFINED__. In libc5 >= 5.2.2 it is
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included by <sys/types.h>. */
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# include <sys/bitypes.h>
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#endif
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#if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
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/* Get WCHAR_MIN, WCHAR_MAX. */
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# if ! (defined WCHAR_MIN && defined WCHAR_MAX)
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# include <wchar.h>
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# endif
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#endif
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#undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
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/* Minimum and maximum values for a integer type under the usual assumption.
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Return an unspecified value if BITS == 0, adding a check to pacify
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picky compilers. */
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#define _STDINT_MIN(signed, bits, zero) \
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((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
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#define _STDINT_MAX(signed, bits, zero) \
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((signed) \
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? ~ _STDINT_MIN (signed, bits, zero) \
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: /* The expression for the unsigned case. The subtraction of (signed) \
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is a nop in the unsigned case and avoids "signed integer overflow" \
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warnings in the signed case. */ \
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((((zero) + 1) << ((bits) ? (bits) - 1 - (signed) : 0)) - 1) * 2 + 1)
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/* 7.18.1.1. Exact-width integer types */
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/* Here we assume a standard architecture where the hardware integer
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types have 8, 16, 32, optionally 64 bits. */
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#undef int8_t
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#undef uint8_t
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#define int8_t signed char
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#define uint8_t unsigned char
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#undef int16_t
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#undef uint16_t
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#define int16_t short int
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#define uint16_t unsigned short int
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#undef int32_t
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#undef uint32_t
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#define int32_t int
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#define uint32_t unsigned int
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/* Do not undefine int64_t if gnulib is not being used with 64-bit
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types, since otherwise it breaks platforms like Tandem/NSK. */
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#if LONG_MAX >> 31 >> 31 == 1
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# undef int64_t
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# define int64_t long int
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# define GL_INT64_T
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#elif defined _MSC_VER
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# undef int64_t
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# define int64_t __int64
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# define GL_INT64_T
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#elif @HAVE_LONG_LONG_INT@
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# undef int64_t
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# define int64_t long long int
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# define GL_INT64_T
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#endif
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#if ULONG_MAX >> 31 >> 31 >> 1 == 1
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# undef uint64_t
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# define uint64_t unsigned long int
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# define GL_UINT64_T
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#elif defined _MSC_VER
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# undef uint64_t
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# define uint64_t unsigned __int64
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# define GL_UINT64_T
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#elif @HAVE_UNSIGNED_LONG_LONG_INT@
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# undef uint64_t
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# define uint64_t unsigned long long int
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# define GL_UINT64_T
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#endif
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/* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */
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#define _UINT8_T
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#define _UINT32_T
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#define _UINT64_T
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/* 7.18.1.2. Minimum-width integer types */
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/* Here we assume a standard architecture where the hardware integer
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types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
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are the same as the corresponding N_t types. */
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#undef int_least8_t
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#undef uint_least8_t
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#undef int_least16_t
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#undef uint_least16_t
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#undef int_least32_t
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#undef uint_least32_t
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#undef int_least64_t
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#undef uint_least64_t
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#define int_least8_t int8_t
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#define uint_least8_t uint8_t
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#define int_least16_t int16_t
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#define uint_least16_t uint16_t
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#define int_least32_t int32_t
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#define uint_least32_t uint32_t
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#ifdef GL_INT64_T
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# define int_least64_t int64_t
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#endif
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#ifdef GL_UINT64_T
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# define uint_least64_t uint64_t
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#endif
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/* 7.18.1.3. Fastest minimum-width integer types */
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/* Note: Other <stdint.h> substitutes may define these types differently.
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It is not recommended to use these types in public header files. */
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/* Here we assume a standard architecture where the hardware integer
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types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
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are taken from the same list of types. Assume that 'long int'
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is fast enough for all narrower integers. */
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#undef int_fast8_t
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#undef uint_fast8_t
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#undef int_fast16_t
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#undef uint_fast16_t
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#undef int_fast32_t
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#undef uint_fast32_t
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#undef int_fast64_t
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#undef uint_fast64_t
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#define int_fast8_t long int
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#define uint_fast8_t unsigned int_fast8_t
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#define int_fast16_t long int
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#define uint_fast16_t unsigned int_fast16_t
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#define int_fast32_t long int
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#define uint_fast32_t unsigned int_fast32_t
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#ifdef GL_INT64_T
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# define int_fast64_t int64_t
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#endif
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#ifdef GL_UINT64_T
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# define uint_fast64_t uint64_t
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#endif
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/* 7.18.1.4. Integer types capable of holding object pointers */
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#undef intptr_t
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#undef uintptr_t
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#define intptr_t long int
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#define uintptr_t unsigned long int
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/* 7.18.1.5. Greatest-width integer types */
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/* Note: These types are compiler dependent. It may be unwise to use them in
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public header files. */
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#undef intmax_t
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#if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
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# define intmax_t long long int
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#elif defined GL_INT64_T
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# define intmax_t int64_t
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#else
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# define intmax_t long int
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#endif
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#undef uintmax_t
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#if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
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# define uintmax_t unsigned long long int
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#elif defined GL_UINT64_T
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# define uintmax_t uint64_t
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#else
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# define uintmax_t unsigned long int
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#endif
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/* Verify that intmax_t and uintmax_t have the same size. Too much code
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breaks if this is not the case. If this check fails, the reason is likely
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to be found in the autoconf macros. */
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typedef int _verify_intmax_size[2 * (sizeof (intmax_t) == sizeof (uintmax_t)) - 1];
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/* 7.18.2. Limits of specified-width integer types */
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#if ! defined __cplusplus || defined __STDC_LIMIT_MACROS
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/* 7.18.2.1. Limits of exact-width integer types */
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/* Here we assume a standard architecture where the hardware integer
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types have 8, 16, 32, optionally 64 bits. */
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#undef INT8_MIN
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#undef INT8_MAX
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#undef UINT8_MAX
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#define INT8_MIN (~ INT8_MAX)
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#define INT8_MAX 127
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#define UINT8_MAX 255
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#undef INT16_MIN
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#undef INT16_MAX
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#undef UINT16_MAX
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#define INT16_MIN (~ INT16_MAX)
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#define INT16_MAX 32767
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#define UINT16_MAX 65535
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#undef INT32_MIN
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#undef INT32_MAX
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#undef UINT32_MAX
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#define INT32_MIN (~ INT32_MAX)
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#define INT32_MAX 2147483647
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#define UINT32_MAX 4294967295U
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#undef INT64_MIN
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#undef INT64_MAX
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#ifdef GL_INT64_T
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/* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0
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evaluates the latter incorrectly in preprocessor expressions. */
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# define INT64_MIN (- INTMAX_C (1) << 63)
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# define INT64_MAX INTMAX_C (9223372036854775807)
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#endif
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#undef UINT64_MAX
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#ifdef GL_UINT64_T
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# define UINT64_MAX UINTMAX_C (18446744073709551615)
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#endif
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/* 7.18.2.2. Limits of minimum-width integer types */
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/* Here we assume a standard architecture where the hardware integer
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types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
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are the same as the corresponding N_t types. */
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#undef INT_LEAST8_MIN
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#undef INT_LEAST8_MAX
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#undef UINT_LEAST8_MAX
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#define INT_LEAST8_MIN INT8_MIN
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#define INT_LEAST8_MAX INT8_MAX
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#define UINT_LEAST8_MAX UINT8_MAX
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#undef INT_LEAST16_MIN
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#undef INT_LEAST16_MAX
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#undef UINT_LEAST16_MAX
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#define INT_LEAST16_MIN INT16_MIN
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#define INT_LEAST16_MAX INT16_MAX
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#define UINT_LEAST16_MAX UINT16_MAX
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#undef INT_LEAST32_MIN
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#undef INT_LEAST32_MAX
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#undef UINT_LEAST32_MAX
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#define INT_LEAST32_MIN INT32_MIN
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#define INT_LEAST32_MAX INT32_MAX
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#define UINT_LEAST32_MAX UINT32_MAX
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#undef INT_LEAST64_MIN
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#undef INT_LEAST64_MAX
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#ifdef GL_INT64_T
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# define INT_LEAST64_MIN INT64_MIN
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# define INT_LEAST64_MAX INT64_MAX
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#endif
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#undef UINT_LEAST64_MAX
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#ifdef GL_UINT64_T
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# define UINT_LEAST64_MAX UINT64_MAX
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#endif
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/* 7.18.2.3. Limits of fastest minimum-width integer types */
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/* Here we assume a standard architecture where the hardware integer
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types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
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are taken from the same list of types. */
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#undef INT_FAST8_MIN
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#undef INT_FAST8_MAX
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#undef UINT_FAST8_MAX
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#define INT_FAST8_MIN LONG_MIN
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#define INT_FAST8_MAX LONG_MAX
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#define UINT_FAST8_MAX ULONG_MAX
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#undef INT_FAST16_MIN
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#undef INT_FAST16_MAX
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#undef UINT_FAST16_MAX
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#define INT_FAST16_MIN LONG_MIN
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#define INT_FAST16_MAX LONG_MAX
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#define UINT_FAST16_MAX ULONG_MAX
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#undef INT_FAST32_MIN
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#undef INT_FAST32_MAX
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#undef UINT_FAST32_MAX
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#define INT_FAST32_MIN LONG_MIN
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#define INT_FAST32_MAX LONG_MAX
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#define UINT_FAST32_MAX ULONG_MAX
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#undef INT_FAST64_MIN
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#undef INT_FAST64_MAX
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#ifdef GL_INT64_T
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# define INT_FAST64_MIN INT64_MIN
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# define INT_FAST64_MAX INT64_MAX
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#endif
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#undef UINT_FAST64_MAX
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#ifdef GL_UINT64_T
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# define UINT_FAST64_MAX UINT64_MAX
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#endif
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/* 7.18.2.4. Limits of integer types capable of holding object pointers */
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#undef INTPTR_MIN
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#undef INTPTR_MAX
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#undef UINTPTR_MAX
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#define INTPTR_MIN LONG_MIN
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#define INTPTR_MAX LONG_MAX
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#define UINTPTR_MAX ULONG_MAX
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/* 7.18.2.5. Limits of greatest-width integer types */
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#undef INTMAX_MIN
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#undef INTMAX_MAX
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#ifdef INT64_MAX
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# define INTMAX_MIN INT64_MIN
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# define INTMAX_MAX INT64_MAX
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#else
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# define INTMAX_MIN INT32_MIN
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# define INTMAX_MAX INT32_MAX
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#endif
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#undef UINTMAX_MAX
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#ifdef UINT64_MAX
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# define UINTMAX_MAX UINT64_MAX
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#else
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# define UINTMAX_MAX UINT32_MAX
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#endif
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/* 7.18.3. Limits of other integer types */
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/* ptrdiff_t limits */
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#undef PTRDIFF_MIN
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#undef PTRDIFF_MAX
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#define PTRDIFF_MIN \
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_STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
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#define PTRDIFF_MAX \
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_STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
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/* sig_atomic_t limits */
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#undef SIG_ATOMIC_MIN
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#undef SIG_ATOMIC_MAX
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#define SIG_ATOMIC_MIN \
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_STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
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0@SIG_ATOMIC_T_SUFFIX@)
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#define SIG_ATOMIC_MAX \
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_STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
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0@SIG_ATOMIC_T_SUFFIX@)
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/* size_t limit */
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#undef SIZE_MAX
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#define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
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/* wchar_t limits */
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#undef WCHAR_MIN
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#undef WCHAR_MAX
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#define WCHAR_MIN \
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_STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
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#define WCHAR_MAX \
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_STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
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/* wint_t limits */
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#undef WINT_MIN
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#undef WINT_MAX
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#define WINT_MIN \
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_STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
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#define WINT_MAX \
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_STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
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#endif /* !defined __cplusplus || defined __STDC_LIMIT_MACROS */
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/* 7.18.4. Macros for integer constants */
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#if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
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/* 7.18.4.1. Macros for minimum-width integer constants */
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/* According to ISO C 99 Technical Corrigendum 1 */
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/* Here we assume a standard architecture where the hardware integer
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types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */
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#undef INT8_C
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#undef UINT8_C
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#define INT8_C(x) x
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#define UINT8_C(x) x
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#undef INT16_C
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#undef UINT16_C
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#define INT16_C(x) x
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#define UINT16_C(x) x
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#undef INT32_C
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#undef UINT32_C
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#define INT32_C(x) x
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#define UINT32_C(x) x ## U
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|
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#undef INT64_C
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#undef UINT64_C
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#if LONG_MAX >> 31 >> 31 == 1
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# define INT64_C(x) x##L
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#elif defined _MSC_VER
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# define INT64_C(x) x##i64
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#elif @HAVE_LONG_LONG_INT@
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# define INT64_C(x) x##LL
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|
#endif
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#if ULONG_MAX >> 31 >> 31 >> 1 == 1
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# define UINT64_C(x) x##UL
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|
#elif defined _MSC_VER
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|
# define UINT64_C(x) x##ui64
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#elif @HAVE_UNSIGNED_LONG_LONG_INT@
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# define UINT64_C(x) x##ULL
|
|
#endif
|
|
|
|
/* 7.18.4.2. Macros for greatest-width integer constants */
|
|
|
|
#undef INTMAX_C
|
|
#if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
|
|
# define INTMAX_C(x) x##LL
|
|
#elif defined GL_INT64_T
|
|
# define INTMAX_C(x) INT64_C(x)
|
|
#else
|
|
# define INTMAX_C(x) x##L
|
|
#endif
|
|
|
|
#undef UINTMAX_C
|
|
#if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
|
|
# define UINTMAX_C(x) x##ULL
|
|
#elif defined GL_UINT64_T
|
|
# define UINTMAX_C(x) UINT64_C(x)
|
|
#else
|
|
# define UINTMAX_C(x) x##UL
|
|
#endif
|
|
|
|
#endif /* !defined __cplusplus || defined __STDC_CONSTANT_MACROS */
|
|
|
|
#endif /* _GL_STDINT_H */
|
|
#endif /* !defined _GL_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */
|