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Types.h
Go to the documentation of this file.
/***************************************************************************************************
Zyan Core Library (Zyan-C)
Original Author : Florian Bernd, Joel Hoener
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
***************************************************************************************************/
#ifndef ZYCORE_TYPES_H
#define ZYCORE_TYPES_H
#include <Zycore/Defines.h>
/* ============================================================================================== */
/* Integer types */
/* ============================================================================================== */
#if defined(ZYAN_NO_LIBC) || \
(defined(ZYAN_MSVC) && defined(ZYAN_KERNEL)) // The WDK LibC lacks stdint.h.
// No LibC mode, use compiler built-in types / macros.
# if defined(ZYAN_MSVC) || defined(ZYAN_ICC)
typedef unsigned __int8 ZyanU8;
typedef unsigned __int16 ZyanU16;
typedef unsigned __int32 ZyanU32;
typedef unsigned __int64 ZyanU64;
typedef signed __int8 ZyanI8;
typedef signed __int16 ZyanI16;
typedef signed __int32 ZyanI32;
typedef signed __int64 ZyanI64;
# if _WIN64
typedef ZyanU64 ZyanUSize;
typedef ZyanI64 ZyanISize;
typedef ZyanU64 ZyanUPointer;
typedef ZyanI64 ZyanIPointer;
# else
typedef ZyanU32 ZyanUSize;
typedef ZyanI32 ZyanISize;
typedef ZyanU32 ZyanUPointer;
typedef ZyanI32 ZyanIPointer;
# endif
# elif defined(ZYAN_GNUC)
# ifdef __UINT8_TYPE__
typedef __UINT8_TYPE__ ZyanU8;
# else
typedef unsigned char ZyanU8;
# endif
# ifdef __UINT16_TYPE__
typedef __UINT16_TYPE__ ZyanU16;
# else
typedef unsigned short int ZyanU16;
# endif
# ifdef __UINT32_TYPE__
typedef __UINT32_TYPE__ ZyanU32;
# else
typedef unsigned int ZyanU32;
# endif
# ifdef __UINT64_TYPE__
typedef __UINT64_TYPE__ ZyanU64;
# else
# if defined(__x86_64__) && !defined(__ILP32__)
typedef unsigned long int ZyanU64;
# else
typedef unsigned long long int ZyanU64;
# endif
# endif
# ifdef __INT8_TYPE__
typedef __INT8_TYPE__ ZyanI8;
# else
typedef signed char ZyanI8;
# endif
# ifdef __INT16_TYPE__
typedef __INT16_TYPE__ ZyanI16;
# else
typedef signed short int ZyanI16;
# endif
# ifdef __INT32_TYPE__
typedef __INT32_TYPE__ ZyanI32;
# else
typedef signed int ZyanI32;
# endif
# ifdef __INT64_TYPE__
typedef __INT64_TYPE__ ZyanI64;
# else
# if defined(__x86_64__) && !defined( __ILP32__)
typedef signed long int ZyanI64;
# else
typedef signed long long int ZyanI64;
# endif
# endif
# ifdef __SIZE_TYPE__
typedef __SIZE_TYPE__ ZyanUSize;
# else
typedef long unsigned int ZyanUSize;
# endif
# ifdef __PTRDIFF_TYPE__
typedef __PTRDIFF_TYPE__ ZyanISize;
# else
typedef long int ZyanISize;
# endif
# ifdef __UINTPTR_TYPE__
typedef __UINTPTR_TYPE__ ZyanUPointer;
# else
# if defined(__x86_64__) && !defined( __ILP32__)
typedef unsigned long int ZyanUPointer;
# else
typedef unsigned int ZyanUPointer;
# endif
# endif
# ifdef __INTPTR_TYPE__
typedef __INTPTR_TYPE__ ZyanIPointer;
# else
# if defined(__x86_64__) && !defined( __ILP32__)
typedef long int ZyanIPointer;
# else
typedef int ZyanIPointer;
# endif
# endif
# else
# error "Unsupported compiler for no-libc mode."
# endif
# if defined(ZYAN_MSVC)
# define ZYAN_INT8_MIN (-127i8 - 1)
# define ZYAN_INT16_MIN (-32767i16 - 1)
# define ZYAN_INT32_MIN (-2147483647i32 - 1)
# define ZYAN_INT64_MIN (-9223372036854775807i64 - 1)
# define ZYAN_INT8_MAX 127i8
# define ZYAN_INT16_MAX 32767i16
# define ZYAN_INT32_MAX 2147483647i32
# define ZYAN_INT64_MAX 9223372036854775807i64
# define ZYAN_UINT8_MAX 0xffui8
# define ZYAN_UINT16_MAX 0xffffui16
# define ZYAN_UINT32_MAX 0xffffffffui32
# define ZYAN_UINT64_MAX 0xffffffffffffffffui64
# else
# ifdef __INT8_MAX__
# define ZYAN_INT8_MAX __INT8_MAX__
# else
# define ZYAN_INT8_MAX (127)
# endif
# define ZYAN_INT8_MIN (-ZYAN_INT8_MAX - 1)
# ifdef __INT16_MAX__
# define ZYAN_INT16_MAX __INT16_MAX__
# else
# define ZYAN_INT16_MAX (32767)
# endif
# define ZYAN_INT16_MIN (-ZYAN_INT16_MAX - 1)
# ifdef __INT32_MAX__
# define ZYAN_INT32_MAX __INT32_MAX__
# else
# define ZYAN_INT32_MAX (2147483647)
# endif
# define ZYAN_INT32_MIN (-ZYAN_INT32_MAX - 1)
# ifdef __INT64_MAX__
# define ZYAN_INT64_MAX __INT64_MAX__
# else
# if defined(__x86_64__) && !defined( __ILP32__)
# define ZYAN_INT64_MAX (9223372036854775807L)
# else
# define ZYAN_INT64_MAX (9223372036854775807LL)
# endif
# endif
# define ZYAN_INT64_MIN (-ZYAN_INT64_MAX - 1)
# ifdef __UINT8_MAX__
# define ZYAN_UINT8_MAX __UINT8_MAX__
# else
# define ZYAN_UINT8_MAX (255)
# endif
# ifdef __UINT16_MAX__
# define ZYAN_UINT16_MAX __UINT16_MAX__
# else
# define ZYAN_UINT16_MAX (65535)
# endif
# ifdef __UINT32_MAX__
# define ZYAN_UINT32_MAX __UINT32_MAX__
# else
# define ZYAN_UINT32_MAX (4294967295U)
# endif
# ifdef __UINT64_MAX__
# define ZYAN_UINT64_MAX __UINT64_MAX__
# else
# if defined(__x86_64__) && !defined( __ILP32__)
# define ZYAN_UINT64_MAX (18446744073709551615UL)
# else
# define ZYAN_UINT64_MAX (18446744073709551615ULL)
# endif
# endif
# endif
#else
// If is LibC present, we use stdint types.
# include <stdint.h>
# include <stddef.h>
typedef uint8_t ZyanU8;
typedef uint16_t ZyanU16;
typedef uint32_t ZyanU32;
typedef uint64_t ZyanU64;
typedef int8_t ZyanI8;
typedef int16_t ZyanI16;
typedef int32_t ZyanI32;
typedef int64_t ZyanI64;
typedef size_t ZyanUSize;
typedef ptrdiff_t ZyanISize;
typedef uintptr_t ZyanUPointer;
typedef intptr_t ZyanIPointer;
# define ZYAN_INT8_MIN INT8_MIN
# define ZYAN_INT16_MIN INT16_MIN
# define ZYAN_INT32_MIN INT32_MIN
# define ZYAN_INT64_MIN INT64_MIN
# define ZYAN_INT8_MAX INT8_MAX
# define ZYAN_INT16_MAX INT16_MAX
# define ZYAN_INT32_MAX INT32_MAX
# define ZYAN_INT64_MAX INT64_MAX
# define ZYAN_UINT8_MAX UINT8_MAX
# define ZYAN_UINT16_MAX UINT16_MAX
# define ZYAN_UINT32_MAX UINT32_MAX
# define ZYAN_UINT64_MAX UINT64_MAX
#endif
// Verify size assumptions.
ZYAN_STATIC_ASSERT(sizeof(ZyanU8 ) == 1 );
ZYAN_STATIC_ASSERT(sizeof(ZyanU16 ) == 2 );
ZYAN_STATIC_ASSERT(sizeof(ZyanU32 ) == 4 );
ZYAN_STATIC_ASSERT(sizeof(ZyanU64 ) == 8 );
ZYAN_STATIC_ASSERT(sizeof(ZyanI8 ) == 1 );
ZYAN_STATIC_ASSERT(sizeof(ZyanI16 ) == 2 );
ZYAN_STATIC_ASSERT(sizeof(ZyanI32 ) == 4 );
ZYAN_STATIC_ASSERT(sizeof(ZyanI64 ) == 8 );
ZYAN_STATIC_ASSERT(sizeof(ZyanUSize ) == sizeof(void*)); // TODO: This one is incorrect!
ZYAN_STATIC_ASSERT(sizeof(ZyanISize ) == sizeof(void*)); // TODO: This one is incorrect!
ZYAN_STATIC_ASSERT(sizeof(ZyanUPointer) == sizeof(void*));
ZYAN_STATIC_ASSERT(sizeof(ZyanIPointer) == sizeof(void*));
// Verify signedness assumptions (relies on size checks above).
ZYAN_STATIC_ASSERT((ZyanI8 )-1 >> 1 < (ZyanI8 )((ZyanU8 )-1 >> 1));
ZYAN_STATIC_ASSERT((ZyanI16)-1 >> 1 < (ZyanI16)((ZyanU16)-1 >> 1));
ZYAN_STATIC_ASSERT((ZyanI32)-1 >> 1 < (ZyanI32)((ZyanU32)-1 >> 1));
ZYAN_STATIC_ASSERT((ZyanI64)-1 >> 1 < (ZyanI64)((ZyanU64)-1 >> 1));
/* ============================================================================================== */
/* Pointer */
/* ============================================================================================== */
typedef void* ZyanVoidPointer;
typedef const void* ZyanConstVoidPointer;
#define ZYAN_NULL ((void*)0)
/* ============================================================================================== */
/* Logic types */
/* ============================================================================================== */
/* ---------------------------------------------------------------------------------------------- */
/* Boolean */
/* ---------------------------------------------------------------------------------------------- */
#define ZYAN_FALSE 0u
#define ZYAN_TRUE 1u
typedef ZyanU8 ZyanBool;
/* ---------------------------------------------------------------------------------------------- */
/* Ternary */
/* ---------------------------------------------------------------------------------------------- */
typedef ZyanI8 ZyanTernary;
#define ZYAN_TERNARY_FALSE (-1)
#define ZYAN_TERNARY_UNKNOWN 0x00
#define ZYAN_TERNARY_TRUE 0x01
/* ============================================================================================== */
/* String types */
/* ============================================================================================== */
/* ---------------------------------------------------------------------------------------------- */
/* C-style strings */
/* ---------------------------------------------------------------------------------------------- */
typedef char* ZyanCharPointer;
typedef const char* ZyanConstCharPointer;
/* ---------------------------------------------------------------------------------------------- */
/* ============================================================================================== */
#endif /* ZYCORE_TYPES_H */
Defines.h
ZYAN_STATIC_ASSERT
#define ZYAN_STATIC_ASSERT(x)
Definition Defines.h:311
ZyanBool
ZyanU8 ZyanBool
Definition Types.h:296
ZyanConstVoidPointer
const void * ZyanConstVoidPointer
Definition Types.h:275
ZyanConstCharPointer
const char * ZyanConstCharPointer
Definition Types.h:334
ZyanCharPointer
char * ZyanCharPointer
Definition Types.h:327
ZyanTernary
ZyanI8 ZyanTernary
Definition Types.h:308
ZyanVoidPointer
void * ZyanVoidPointer
Definition Types.h:270