1、ios 基本数据类型所占字节数
2、ios types文件夹下定义的类
#ifndef _UINT8_T #define _UINT8_T typedef unsigned char uint8_t; #endif /* _UINT8_T */ #ifndef _UINT16_T #define _UINT16_T typedef unsigned short uint16_t; #endif /* _UINT16_T */ #ifndef _UINT32_T #define _UINT32_T typedef unsigned int uint32_t; #endif /* _UINT32_T */ #ifndef _UINT64_T #define _UINT64_T typedef unsigned long long uint64_t; #endif /* _UINT64_T */
3、MacTypes 类中定义的类型
/* * Copyright (c) 1985-2011 by Apple Inc.. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* File: MacTypes.h Contains: Basic Macintosh data types. Version: CarbonCore-769~1 Bugs?: For bug reports, consult the following page on the World Wide Web: http://developer.apple.com/bugreporter/ */ #ifndef __MACTYPES__ #define __MACTYPES__ #ifndef __CONDITIONALMACROS__ #include <ConditionalMacros.h> #endif #include <stdbool.h> #include <sys/types.h> #include <Availability.h> #if PRAGMA_ONCE #pragma once #endif #ifdef __cplusplus extern "C" { #endif #pragma pack(push, 2) /* CarbonCore Deprecation flags. Certain Carbon API functions are deprecated in 10.3 and later systems. These will produce a warning when compiling on 10.3. Other functions and constants do not produce meaningful results when building Carbon for Mac OS X. For these functions, no-op macros are provided, but only when the ALLOW_OBSOLETE_CARBON flag is defined to be 0: eg -DALLOW_OBSOLETE_CARBON=0. */ #if ! defined(ALLOW_OBSOLETE_CARBON) || ! ALLOW_OBSOLETE_CARBON #define ALLOW_OBSOLETE_CARBON_MACMEMORY 0 #define ALLOW_OBSOLETE_CARBON_OSUTILS 0 #else #define ALLOW_OBSOLETE_CARBON_MACMEMORY 1 /* Removes obsolete constants; turns HLock/HUnlock into no-op macros */ #define ALLOW_OBSOLETE_CARBON_OSUTILS 1 /* Removes obsolete structures */ #endif #ifndef NULL #define NULL __DARWIN_NULL #endif /* ! NULL */ #ifndef nil #if defined(__has_feature) #if __has_feature(cxx_nullptr) #define nil nullptr #else #define nil __DARWIN_NULL #endif #else #define nil __DARWIN_NULL #endif #endif /******************************************************************************** Base integer types for all target OS's and CPU's UInt8 8-bit unsigned integer SInt8 8-bit signed integer UInt16 16-bit unsigned integer SInt16 16-bit signed integer UInt32 32-bit unsigned integer SInt32 32-bit signed integer UInt64 64-bit unsigned integer SInt64 64-bit signed integer *********************************************************************************/ typedef unsigned char UInt8; typedef signed char SInt8; typedef unsigned short UInt16; typedef signed short SInt16; #if __LP64__ typedef unsigned int UInt32; typedef signed int SInt32; #else typedef unsigned long UInt32; typedef signed long SInt32; #endif /* avoid redeclaration if libkern/OSTypes.h */ #ifndef _OS_OSTYPES_H #if TARGET_RT_BIG_ENDIAN struct wide { SInt32 hi; UInt32 lo; }; typedef struct wide wide; struct UnsignedWide { UInt32 hi; UInt32 lo; }; typedef struct UnsignedWide UnsignedWide; #else struct wide { UInt32 lo; SInt32 hi; }; typedef struct wide wide; struct UnsignedWide { UInt32 lo; UInt32 hi; }; typedef struct UnsignedWide UnsignedWide; #endif /* TARGET_RT_BIG_ENDIAN */ #endif #if TYPE_LONGLONG /* Note: wide and UnsignedWide must always be structs for source code compatibility. On the other hand UInt64 and SInt64 can be either a struct or a long long, depending on the compiler. If you use UInt64 and SInt64 you should do all operations on those data types through the functions/macros in Math64.h. This will assure that your code compiles with compilers that support long long and those that don't. The MS Visual C/C++ compiler uses __int64 instead of long long. */ #if defined(_MSC_VER) && !defined(__MWERKS__) && defined(_M_IX86) typedef signed __int64 SInt64; typedef unsigned __int64 UInt64; #else typedef signed long long SInt64; typedef unsigned long long UInt64; #endif #else typedef wide SInt64; typedef UnsignedWide UInt64; #endif /* TYPE_LONGLONG */ /******************************************************************************** Base fixed point types Fixed 16-bit signed integer plus 16-bit fraction UnsignedFixed 16-bit unsigned integer plus 16-bit fraction Fract 2-bit signed integer plus 30-bit fraction ShortFixed 8-bit signed integer plus 8-bit fraction *********************************************************************************/ typedef SInt32 Fixed; typedef Fixed * FixedPtr; typedef SInt32 Fract; typedef Fract * FractPtr; typedef UInt32 UnsignedFixed; typedef UnsignedFixed * UnsignedFixedPtr; typedef short ShortFixed; typedef ShortFixed * ShortFixedPtr; /******************************************************************************** Base floating point types Float32 32 bit IEEE float: 1 sign bit, 8 exponent bits, 23 fraction bits Float64 64 bit IEEE float: 1 sign bit, 11 exponent bits, 52 fraction bits Float80 80 bit MacOS float: 1 sign bit, 15 exponent bits, 1 integer bit, 63 fraction bits Float96 96 bit 68881 float: 1 sign bit, 15 exponent bits, 16 pad bits, 1 integer bit, 63 fraction bits Note: These are fixed size floating point types, useful when writing a floating point value to disk. If your compiler does not support a particular size float, a struct is used instead. Use one of the NCEG types (e.g. double_t) or an ANSI C type (e.g. double) if you want a floating point representation that is natural for any given compiler, but might be a different size on different compilers. *********************************************************************************/ typedef float Float32; typedef double Float64; struct Float80 { SInt16 exp; UInt16 man[4]; }; typedef struct Float80 Float80; struct Float96 { SInt16 exp[2]; /* the second 16-bits are undefined */ UInt16 man[4]; }; typedef struct Float96 Float96; struct Float32Point { Float32 x; Float32 y; }; typedef struct Float32Point Float32Point; /******************************************************************************** MacOS Memory Manager types Ptr Pointer to a non-relocatable block Handle Pointer to a master pointer to a relocatable block Size The number of bytes in a block (signed for historical reasons) *********************************************************************************/ typedef char * Ptr; typedef Ptr * Handle; typedef long Size; /******************************************************************************** Higher level basic types OSErr 16-bit result error code OSStatus 32-bit result error code LogicalAddress Address in the clients virtual address space ConstLogicalAddress Address in the clients virtual address space that will only be read PhysicalAddress Real address as used on the hardware bus BytePtr Pointer to an array of bytes ByteCount The size of an array of bytes ByteOffset An offset into an array of bytes ItemCount 32-bit iteration count OptionBits Standard 32-bit set of bit flags PBVersion ? Duration 32-bit millisecond timer for drivers AbsoluteTime 64-bit clock ScriptCode A particular set of written characters (e.g. Roman vs Cyrillic) and their encoding LangCode A particular language (e.g. English), as represented using a particular ScriptCode RegionCode Designates a language as used in a particular region (e.g. British vs American English) together with other region-dependent characteristics (e.g. date format) FourCharCode A 32-bit value made by packing four 1 byte characters together OSType A FourCharCode used in the OS and file system (e.g. creator) ResType A FourCharCode used to tag resources (e.g. 'DLOG') *********************************************************************************/ typedef SInt16 OSErr; typedef SInt32 OSStatus; typedef void * LogicalAddress; typedef const void * ConstLogicalAddress; typedef void * PhysicalAddress; typedef UInt8 * BytePtr; typedef unsigned long ByteCount; typedef unsigned long ByteOffset; typedef SInt32 Duration; typedef UnsignedWide AbsoluteTime; typedef UInt32 OptionBits; typedef unsigned long ItemCount; typedef UInt32 PBVersion; typedef SInt16 ScriptCode; typedef SInt16 LangCode; typedef SInt16 RegionCode; typedef UInt32 FourCharCode; typedef FourCharCode OSType; typedef FourCharCode ResType; typedef OSType * OSTypePtr; typedef ResType * ResTypePtr; /******************************************************************************** Boolean types and values Boolean Mac OS historic type, sizeof(Boolean)==1 bool Defined in stdbool.h, ISO C/C++ standard type false Now defined in stdbool.h true Now defined in stdbool.h *********************************************************************************/ typedef unsigned char Boolean; /******************************************************************************** Function Pointer Types ProcPtr Generic pointer to a function Register68kProcPtr Pointer to a 68K function that expects parameters in registers UniversalProcPtr Pointer to classic 68K code or a RoutineDescriptor ProcHandle Pointer to a ProcPtr UniversalProcHandle Pointer to a UniversalProcPtr *********************************************************************************/ typedef CALLBACK_API_C( long , ProcPtr )(void); typedef CALLBACK_API( void , Register68kProcPtr )(void); #if TARGET_RT_MAC_CFM /* The RoutineDescriptor structure is defined in MixedMode.h */ typedef struct RoutineDescriptor *UniversalProcPtr; #else typedef ProcPtr UniversalProcPtr; #endif /* TARGET_RT_MAC_CFM */ typedef ProcPtr * ProcHandle; typedef UniversalProcPtr * UniversalProcHandle; /******************************************************************************** RefCon Types For access to private data in callbacks, etc.; refcons are generally used as a pointer to something, but in the 32-bit world refcons in different APIs have had various types: pointer, unsigned scalar, and signed scalar. The RefCon types defined here support the current 32-bit usage but provide normalization to pointer types for 64-bit. PRefCon is preferred for new APIs; URefCon and SRefCon are primarily for compatibility with existing APIs. *********************************************************************************/ typedef void * PRefCon; #if __LP64__ typedef void * URefCon; typedef void * SRefCon; #else typedef UInt32 URefCon; typedef SInt32 SRefCon; #endif /* __LP64__ */ /******************************************************************************** Common Constants noErr OSErr: function performed properly - no error kNilOptions OptionBits: all flags false kInvalidID KernelID: NULL is for pointers as kInvalidID is for ID's kVariableLengthArray array bounds: variable length array Note: kVariableLengthArray was used in array bounds to specify a variable length array, usually the last field in a struct. Now that the C language supports the concept of flexible array members, you can instead use: struct BarList { short listLength; Bar elements[]; }; However, this changes the semantics somewhat, as sizeof( BarList ) contains no space for any of the elements, so to allocate a list with space for the count elements struct BarList* l = (struct BarList*) malloc( sizeof(BarList) + count * sizeof(Bar) ); *********************************************************************************/ enum { noErr = 0 }; enum { kNilOptions = 0 }; #define kInvalidID 0 enum { kVariableLengthArray #ifdef __has_extension #if __has_extension(enumerator_attributes) __attribute__((deprecated)) #endif #endif = 1 }; enum { kUnknownType = 0x3F3F3F3F /* "????" QuickTime 3.0: default unknown ResType or OSType */ }; /******************************************************************************** String Types and Unicode Types UnicodeScalarValue, A complete Unicode character in UTF-32 format, with UTF32Char values from 0 through 0x10FFFF (excluding the surrogate range 0xD800-0xDFFF and certain disallowed values). UniChar, A 16-bit Unicode code value in the default UTF-16 format. UTF16Char UnicodeScalarValues 0-0xFFFF are expressed in UTF-16 format using a single UTF16Char with the same value. UnicodeScalarValues 0x10000-0x10FFFF are expressed in UTF-16 format using a pair of UTF16Chars - one in the high surrogate range (0xD800-0xDBFF) followed by one in the low surrogate range (0xDC00-0xDFFF). All of the characters defined in Unicode versions through 3.0 are in the range 0-0xFFFF and can be expressed using a single UTF16Char, thus the term "Unicode character" generally refers to a UniChar = UTF16Char. UTF8Char An 8-bit code value in UTF-8 format. UnicodeScalarValues 0-0x7F are expressed in UTF-8 format using one UTF8Char with the same value. UnicodeScalarValues above 0x7F are expressed in UTF-8 format using 2-4 UTF8Chars, all with values in the range 0x80-0xF4 (UnicodeScalarValues 0x100-0xFFFF use two or three UTF8Chars, UnicodeScalarValues 0x10000-0x10FFFF use four UTF8Chars). UniCharCount A count of UTF-16 code values in an array or buffer. StrNNN Pascal string holding up to NNN bytes StringPtr Pointer to a pascal string StringHandle Pointer to a StringPtr ConstStringPtr Pointer to a read-only pascal string ConstStrNNNParam For function parameters only - means string is const CStringPtr Pointer to a C string (in C: char*) ConstCStringPtr Pointer to a read-only C string (in C: const char*) Note: The length of a pascal string is stored as the first byte. A pascal string does not have a termination byte. A pascal string can hold at most 255 bytes of data. The first character in a pascal string is offset one byte from the start of the string. A C string is terminated with a byte of value zero. A C string has no length limitation. The first character in a C string is the zeroth byte of the string. *********************************************************************************/ typedef UInt32 UnicodeScalarValue; typedef UInt32 UTF32Char; typedef UInt16 UniChar; typedef UInt16 UTF16Char; typedef UInt8 UTF8Char; typedef UniChar * UniCharPtr; typedef unsigned long UniCharCount; typedef UniCharCount * UniCharCountPtr; typedef unsigned char Str255[256]; typedef unsigned char Str63[64]; typedef unsigned char Str32[33]; typedef unsigned char Str31[32]; typedef unsigned char Str27[28]; typedef unsigned char Str15[16]; /* The type Str32 is used in many AppleTalk based data structures. It holds up to 32 one byte chars. The problem is that with the length byte it is 33 bytes long. This can cause weird alignment problems in structures. To fix this the type "Str32Field" has been created. It should only be used to hold 32 chars, but it is 34 bytes long so that there are no alignment problems. */ typedef unsigned char Str32Field[34]; /* QuickTime 3.0: The type StrFileName is used to make MacOS structs work cross-platform. For example FSSpec or SFReply previously contained a Str63 field. They now contain a StrFileName field which is the same when targeting the MacOS but is a 256 char buffer for Win32 and unix, allowing them to contain long file names. */ typedef Str63 StrFileName; typedef unsigned char * StringPtr; typedef StringPtr * StringHandle; typedef const unsigned char * ConstStringPtr; typedef const unsigned char * ConstStr255Param; typedef const unsigned char * ConstStr63Param; typedef const unsigned char * ConstStr32Param; typedef const unsigned char * ConstStr31Param; typedef const unsigned char * ConstStr27Param; typedef const unsigned char * ConstStr15Param; typedef ConstStr63Param ConstStrFileNameParam; #ifdef __cplusplus inline unsigned char StrLength(ConstStr255Param string) { return (*string); } #else #define StrLength(string) (*(const unsigned char *)(string)) #endif /* defined(__cplusplus) */ #if OLDROUTINENAMES #define Length(string) StrLength(string) #endif /* OLDROUTINENAMES */ /******************************************************************************** Process Manager type ProcessSerialNumber (previously in Processes.h) *********************************************************************************/ /* type for unique process identifier */ struct ProcessSerialNumber { UInt32 highLongOfPSN; UInt32 lowLongOfPSN; }; typedef struct ProcessSerialNumber ProcessSerialNumber; typedef ProcessSerialNumber * ProcessSerialNumberPtr; /******************************************************************************** Quickdraw Types Point 2D Quickdraw coordinate, range: -32K to +32K Rect Rectangular Quickdraw area Style Quickdraw font rendering styles StyleParameter Style when used as a parameter (historical 68K convention) StyleField Style when used as a field (historical 68K convention) CharParameter Char when used as a parameter (historical 68K convention) Note: The original Macintosh toolbox in 68K Pascal defined Style as a SET. Both Style and CHAR occupy 8-bits in packed records or 16-bits when used as fields in non-packed records or as parameters. *********************************************************************************/ struct Point { short v; short h; }; typedef struct Point Point; typedef Point * PointPtr; struct Rect { short top; short left; short bottom; short right; }; typedef struct Rect Rect; typedef Rect * RectPtr; struct FixedPoint { Fixed x; Fixed y; }; typedef struct FixedPoint FixedPoint; struct FixedRect { Fixed left; Fixed top; Fixed right; Fixed bottom; }; typedef struct FixedRect FixedRect; typedef short CharParameter; enum { normal = 0, bold = 1, italic = 2, underline = 4, outline = 8, shadow = 0x10, condense = 0x20, extend = 0x40 }; typedef unsigned char Style; typedef short StyleParameter; typedef Style StyleField; /******************************************************************************** QuickTime TimeBase types (previously in Movies.h) TimeValue Count of units TimeScale Units per second CompTimeValue 64-bit count of units (always a struct) TimeValue64 64-bit count of units (long long or struct) TimeBase An opaque reference to a time base TimeRecord Package of TimeBase, duration, and scale *********************************************************************************/ typedef SInt32 TimeValue; typedef SInt32 TimeScale; typedef wide CompTimeValue; typedef SInt64 TimeValue64; typedef struct TimeBaseRecord* TimeBase; struct TimeRecord { CompTimeValue value; /* units (duration or absolute) */ TimeScale scale; /* units per second */ TimeBase base; /* refernce to the time base */ }; typedef struct TimeRecord TimeRecord; /******************************************************************************** THINK C base objects HandleObject Root class for handle based THINK C++ objects PascalObject Root class for pascal style objects in THINK C++ *********************************************************************************/ #if defined(__SC__) && !defined(__STDC__) && defined(__cplusplus) class __machdl HandleObject {}; #if TARGET_CPU_68K class __pasobj PascalObject {}; #endif #endif /******************************************************************************** MacOS versioning structures VersRec Contents of a 'vers' resource VersRecPtr Pointer to a VersRecPtr VersRecHndl Resource Handle containing a VersRec NumVersion Packed BCD version representation (e.g. "4.2.1a3" is 0x04214003) UniversalProcPtr Pointer to classic 68K code or a RoutineDescriptor ProcHandle Pointer to a ProcPtr UniversalProcHandle Pointer to a UniversalProcPtr *********************************************************************************/ #if TARGET_RT_BIG_ENDIAN struct NumVersion { /* Numeric version part of 'vers' resource */ UInt8 majorRev; /*1st part of version number in BCD*/ UInt8 minorAndBugRev; /*2nd & 3rd part of version number share a byte*/ UInt8 stage; /*stage code: dev, alpha, beta, final*/ UInt8 nonRelRev; /*revision level of non-released version*/ }; typedef struct NumVersion NumVersion; #else struct NumVersion { /* Numeric version part of 'vers' resource accessable in little endian format */ UInt8 nonRelRev; /*revision level of non-released version*/ UInt8 stage; /*stage code: dev, alpha, beta, final*/ UInt8 minorAndBugRev; /*2nd & 3rd part of version number share a byte*/ UInt8 majorRev; /*1st part of version number in BCD*/ }; typedef struct NumVersion NumVersion; #endif /* TARGET_RT_BIG_ENDIAN */ enum { /* Version Release Stage Codes */ developStage = 0x20, alphaStage = 0x40, betaStage = 0x60, finalStage = 0x80 }; union NumVersionVariant { /* NumVersionVariant is a wrapper so NumVersion can be accessed as a 32-bit value */ NumVersion parts; UInt32 whole; }; typedef union NumVersionVariant NumVersionVariant; typedef NumVersionVariant * NumVersionVariantPtr; typedef NumVersionVariantPtr * NumVersionVariantHandle; struct VersRec { /* 'vers' resource format */ NumVersion numericVersion; /*encoded version number*/ short countryCode; /*country code from intl utilities*/ Str255 shortVersion; /*version number string - worst case*/ Str255 reserved; /*longMessage string packed after shortVersion*/ }; typedef struct VersRec VersRec; typedef VersRec * VersRecPtr; typedef VersRecPtr * VersRecHndl; /********************************************************************************* Old names for types *********************************************************************************/ typedef UInt8 Byte; typedef SInt8 SignedByte; typedef wide * WidePtr; typedef UnsignedWide * UnsignedWidePtr; typedef Float80 extended80; typedef Float96 extended96; typedef SInt8 VHSelect; /********************************************************************************* Debugger functions *********************************************************************************/ /* * Debugger() * * Availability: * Mac OS X: in version 10.0 and later in CoreServices.framework * CarbonLib: in CarbonLib 1.0 and later * Non-Carbon CFM: in InterfaceLib 7.1 and later */ extern void Debugger(void) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_8, __IPHONE_NA, __IPHONE_NA); /* * DebugStr() * * Availability: * Mac OS X: in version 10.0 and later in CoreServices.framework * CarbonLib: in CarbonLib 1.0 and later * Non-Carbon CFM: in InterfaceLib 7.1 and later */ extern void DebugStr(ConstStr255Param debuggerMsg) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_8, __IPHONE_NA, __IPHONE_NA); /* * debugstr() * * Availability: * Mac OS X: not available * CarbonLib: not available * Non-Carbon CFM: in InterfaceLib 7.1 and later */ #if TARGET_CPU_PPC /* Only for Mac OS native drivers */ /* * SysDebug() * * Availability: * Mac OS X: not available * CarbonLib: not available * Non-Carbon CFM: in DriverServicesLib 1.0 and later */ /* * SysDebugStr() * * Availability: * Mac OS X: not available * CarbonLib: not available * Non-Carbon CFM: in DriverServicesLib 1.0 and later */ #endif /* TARGET_CPU_PPC */ /* SADE break points */ /* * SysBreak() * * Availability: * Mac OS X: in version 10.0 and later in CoreServices.framework * CarbonLib: in CarbonLib 1.0 and later * Non-Carbon CFM: in InterfaceLib 7.1 and later */ extern void SysBreak(void) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_8, __IPHONE_NA, __IPHONE_NA); /* * SysBreakStr() * * Availability: * Mac OS X: in version 10.0 and later in CoreServices.framework * CarbonLib: in CarbonLib 1.0 and later * Non-Carbon CFM: in InterfaceLib 7.1 and later */ extern void SysBreakStr(ConstStr255Param debuggerMsg) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_8, __IPHONE_NA, __IPHONE_NA); /* * SysBreakFunc() * * Availability: * Mac OS X: in version 10.0 and later in CoreServices.framework * CarbonLib: in CarbonLib 1.0 and later * Non-Carbon CFM: in InterfaceLib 7.1 and later */ extern void SysBreakFunc(ConstStr255Param debuggerMsg) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_8, __IPHONE_NA, __IPHONE_NA); /* old names for Debugger and DebugStr */ #if OLDROUTINENAMES && TARGET_CPU_68K #define Debugger68k() Debugger() #define DebugStr68k(s) DebugStr(s) #endif #pragma pack(pop) #ifdef __cplusplus } #endif #endif /* __MACTYPES__ */