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Diffstat (limited to 'Build/source/utils/xz-4.999.8beta/src/common/sysdefs.h')
-rw-r--r-- | Build/source/utils/xz-4.999.8beta/src/common/sysdefs.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/Build/source/utils/xz-4.999.8beta/src/common/sysdefs.h b/Build/source/utils/xz-4.999.8beta/src/common/sysdefs.h new file mode 100644 index 00000000000..f55c2360aa7 --- /dev/null +++ b/Build/source/utils/xz-4.999.8beta/src/common/sysdefs.h @@ -0,0 +1,172 @@ +/////////////////////////////////////////////////////////////////////////////// +// +/// \file sysdefs.h +/// \brief Common includes, definitions, system-specific things etc. +/// +/// This file is used also by the lzma command line tool, that's why this +/// file is separate from common.h. +// +// Copyright (C) 2007 Lasse Collin +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 2.1 of the License, or (at your option) any later version. +// +// This library 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 +// Lesser General Public License for more details. +// +/////////////////////////////////////////////////////////////////////////////// + +#ifndef LZMA_SYSDEFS_H +#define LZMA_SYSDEFS_H + +////////////// +// Includes // +////////////// + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +// size_t and NULL +#include <stddef.h> + +#ifdef HAVE_INTTYPES_H +# include <inttypes.h> +#endif + +// C99 says that inttypes.h always includes stdint.h, but some systems +// don't do that, and require including stdint.h separately. +#ifdef HAVE_STDINT_H +# include <stdint.h> +#endif + +// Some pre-C99 systems have SIZE_MAX in limits.h instead of stdint.h. The +// limits are also used to figure out some macros missing from pre-C99 systems. +#ifdef HAVE_LIMITS_H +# include <limits.h> +#endif + +// Be more compatible with systems that have non-conforming inttypes.h. +// We assume that int is 32-bit and that long is either 32-bit or 64-bit. +// Full Autoconf test could be more correct, but this should work well enough. +// Note that this duplicates some code from lzma.h, but this is better since +// we can work without inttypes.h thanks to Autoconf tests. +#ifndef UINT32_C +# if UINT_MAX != 4294967295U +# error UINT32_C is not defined and unsiged int is not 32-bit. +# endif +# define UINT32_C(n) n ## U +#endif +#ifndef UINT32_MAX +# define UINT32_MAX UINT32_C(4294967295) +#endif +#ifndef PRIu32 +# define PRIu32 "u" +#endif +#ifndef PRIX32 +# define PRIX32 "X" +#endif + +#if ULONG_MAX == 4294967295UL +# ifndef UINT64_C +# define UINT64_C(n) n ## ULL +# endif +# ifndef PRIu64 +# define PRIu64 "llu" +# endif +# ifndef PRIX64 +# define PRIX64 "llX" +# endif +#else +# ifndef UINT64_C +# define UINT64_C(n) n ## UL +# endif +# ifndef PRIu64 +# define PRIu64 "lu" +# endif +# ifndef PRIX64 +# define PRIX64 "lX" +# endif +#endif +#ifndef UINT64_MAX +# define UINT64_MAX UINT64_C(18446744073709551615) +#endif + +// The code currently assumes that size_t is either 32-bit or 64-bit. +#ifndef SIZE_MAX +# if SIZEOF_SIZE_T == 4 +# define SIZE_MAX UINT32_MAX +# elif SIZEOF_SIZE_T == 8 +# define SIZE_MAX UINT64_MAX +# else +# error sizeof(size_t) is not 32-bit or 64-bit +# endif +#endif +#if SIZE_MAX != UINT32_MAX && SIZE_MAX != UINT64_MAX +# error sizeof(size_t) is not 32-bit or 64-bit +#endif + +#include <stdlib.h> +#include <assert.h> + +// Pre-C99 systems lack stdbool.h. All the code in LZMA Utils must be written +// so that it works with fake bool type, for example: +// +// bool foo = (flags & 0x100) != 0; +// bool bar = !!(flags & 0x100); +// +// This works with the real C99 bool but breaks with fake bool: +// +// bool baz = (flags & 0x100); +// +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# if ! HAVE__BOOL +typedef unsigned char _Bool; +# endif +# define bool _Bool +# define false 0 +# define true 1 +# define __bool_true_false_are_defined 1 +#endif + +// string.h should be enough but let's include strings.h and memory.h too if +// they exists, since that shouldn't do any harm, but may improve portability. +#ifdef HAVE_STRING_H +# include <string.h> +#endif + +#ifdef HAVE_STRINGS_H +# include <strings.h> +#endif + +#ifdef HAVE_MEMORY_H +# include <memory.h> +#endif + + +//////////// +// Macros // +//////////// + +#undef memzero +#define memzero(s, n) memset(s, 0, n) + +#ifndef MIN +# define MIN(x, y) ((x) < (y) ? (x) : (y)) +#endif + +#ifndef MAX +# define MAX(x, y) ((x) > (y) ? (x) : (y)) +#endif + +#ifndef ARRAY_SIZE +# define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0])) +#endif + +#endif |