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Diffstat (limited to '')
| -rw-r--r-- | include/iprt/nocrt/limits.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/include/iprt/nocrt/limits.h b/include/iprt/nocrt/limits.h new file mode 100644 index 00000000..7b2e060b --- /dev/null +++ b/include/iprt/nocrt/limits.h @@ -0,0 +1,109 @@ +/** @file + * IPRT / No-CRT - Our own limits header. + */ + +/* + * Copyright (C) 2006-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + +#ifndef IPRT_INCLUDED_nocrt_limits_h +#define IPRT_INCLUDED_nocrt_limits_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/types.h> + +#define CHAR_BIT 8 +#define SCHAR_MAX 0x7f +#define SCHAR_MIN (-0x7f - 1) +#define UCHAR_MAX 0xff +#if 1 /* ASSUMES: signed char */ +# define CHAR_MAX SCHAR_MAX +# define CHAR_MIN SCHAR_MIN +#else +# define CHAR_MAX UCHAR_MAX +# define CHAR_MIN 0 +#endif + +#define WORD_BIT 16 +#define USHRT_MAX 0xffff +#define SHRT_MAX 0x7fff +#define SHRT_MIN (-0x7fff - 1) + +/* ASSUMES 32-bit int */ +#define UINT_MAX 0xffffffffU +#define INT_MAX 0x7fffffff +#define INT_MIN (-0x7fffffff - 1) + +#if defined(RT_ARCH_X86) || defined(RT_OS_WINDOWS) || defined(RT_ARCH_SPARC) || defined(RT_ARCH_ARM32) +# define LONG_BIT 32 +# define ULONG_MAX 0xffffffffU +# define LONG_MAX 0x7fffffff +# define LONG_MIN (-0x7fffffff - 1) +#elif defined(RT_ARCH_AMD64) || defined(RT_ARCH_SPARC64) || defined(RT_ARCH_ARM64) +# define LONG_BIT 64 +# define ULONG_MAX UINT64_C(0xffffffffffffffff) +# define LONG_MAX INT64_C(0x7fffffffffffffff) +# define LONG_MIN (INT64_C(-0x7fffffffffffffff) - 1) +#else +# error "PORTME" +#endif + +#define LLONG_BIT 64 +#define ULLONG_MAX UINT64_C(0xffffffffffffffff) +#define LLONG_MAX INT64_C(0x7fffffffffffffff) +#define LLONG_MIN (INT64_C(-0x7fffffffffffffff) - 1) + +#undef SIZE_MAX +#undef SIZE_T_MAX +#undef SSIZE_MAX +#undef INTPTR_MAX +#undef UINTPTR_MAX +#if ARCH_BITS == 32 +# define SIZE_T_MAX 0xffffffffU +# define SSIZE_MAX 0x7fffffff +# define INTPTR_MAX 0x7fffffff +# define UINTPTR_MAX 0xffffffffU +#elif ARCH_BITS == 64 +# define SIZE_T_MAX UINT64_C(0xffffffffffffffff) +# define SSIZE_MAX INT64_C(0x7fffffffffffffff) +# define INTPTR_MAX INT64_C(0x7fffffffffffffff) +# define UINTPTR_MAX UINT64_C(0xffffffffffffffff) +#else +# error "huh?" +#endif +#define SIZE_MAX SIZE_T_MAX + +/*#define OFF_MAX __OFF_MAX +#define OFF_MIN __OFF_MIN*/ + +#endif /* !IPRT_INCLUDED_nocrt_limits_h */ + |