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preface
I
1
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II
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4
III
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appendix
reference(s)
example(s)
resource(s)
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lib-of-vs-libs-QTDevWin-CIncludes-MacTypes.h / h
******************************************************************************Special values in C NULL The C standard for an impossible pointer value nil A carry over from pascal, NULL is prefered for C *********************************************************************************/ ifndef NULL /* Symantec C compilers (but not C++) want NULL and nil to be (void*)0 */ #if !defined(__cplusplus) && (defined(__SC__) || defined(THINK_C)) #define NULL ((void *) 0) #else #define NULL 0L #endif endif ifndef nil #define nil NULL 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; typedef unsigned long UInt32; typedef signed long SInt32; 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 */ 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 long Fixed; typedef Fixed * FixedPtr; typedef long Fract; typedef Fract * FractPtr; typedef unsigned long 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 of 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; if defined(__MWERKS__) || defined(THINK_C) typedef short double Float64; else typedef double Float64; endif if TARGET_CPU_68K #if TARGET_RT_MAC_68881 typedef long double Float96; struct Float80 { SInt16 exp; UInt16 man[4]; }; typedef struct Float80 Float80; #else typedef long double Float80; struct Float96 { SInt16 exp[2]; /* the second 16-bits are undefined */ UInt16 man[4]; }; typedef struct Float96 Float96; #endif else 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; endif 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 UInt32 ByteCount; typedef UInt32 ByteOffset; typedef SInt32 Duration; typedef UnsignedWide AbsoluteTime; typedef UInt32 OptionBits; typedef UInt32 ItemCount; typedef UInt32 PBVersion; typedef SInt16 ScriptCode; typedef SInt16 LangCode; typedef SInt16 RegionCode; typedef unsigned long FourCharCode; typedef FourCharCode OSType; typedef FourCharCode ResType; typedef OSType * OSTypePtr; typedef ResType * ResTypePtr; Boolean types and values Boolean A one byte value, holds "false" (0) or "true" (1) false The Boolean value of zero (0) true The Boolean value of one (1) *********************************************************************************/ /* The identifiers "true" and "false" are becoming keywords in C++ and work with the new built-in type "bool" "Boolean" will remain an unsigned char for compatibility with source code written before "bool" existed. */ if !TYPE_BOOL #if TARGET_OS_WIN32 /* MS VC normally warns if true or false is defined */ #pragma warning (disable: 4237) #endif enum { false = 0, true = 1 }; #if TARGET_OS_WIN32 #pragma warning (default: 4237) #endif endif /* !TYPE_BOOL */ 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 )(); typedef CALLBACK_API( void , Register68kProcPtr )(); if TARGET_OS_MAC && TARGET_RT_MAC_CFM /* Note that the RoutineDescriptor structure is defined in the MixedMode.h header */ typedef struct RoutineDescriptor *UniversalProcPtr; else typedef ProcPtr UniversalProcPtr; endif /* TARGET_OS_MAC && TARGET_RT_MAC_CFM */ typedef ProcPtr * ProcHandle; typedef UniversalProcPtr * UniversalProcHandle; 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 is used in array bounds to specify a variable length array. It is ususally used in variable length structs when the last field is an array of any size. Before ANSI C, we used zero as the bounds of variable length array, but zero length array are illegal in ANSI C. Example usage: struct FooList { short listLength; Foo elements[kVariableLengthArray]; }; *********************************************************************************/ enum { noErr = 0 }; enum { kNilOptions = 0 }; define kInvalidID 0 enum { kVariableLengthArray = 1 }; enum { kUnknownType = 0x3F3F3F3F /* '????' QuickTime 3.0: default unknown ResType or OSType */ }; String Types UniChar A single 16-bit Unicode character UniCharCount A count of Unicode characters 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 UInt16 UniChar; typedef UniChar * UniCharPtr; typedef UInt32 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. */ if TARGET_OS_MAC typedef Str63 StrFileName; else typedef Str255 StrFileName; endif /* TARGET_OS_MAC */ 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; if TARGET_OS_MAC typedef ConstStr63Param ConstStrFileNameParam; else typedef ConstStr255Param ConstStrFileNameParam; endif /* TARGET_OS_MAC */ ifdef __cplusplus inline unsigned char StrLength(ConstStr255Param string) { return (*string); } else define StrLength(string) (*(unsigned char *)(string)) endif /* defined(__cplusplus) */ if OLDROUTINENAMES define Length(string) StrLength(string) endif /* OLDROUTINENAMES */ Quickdraw Types Point 2D Quickdraw coordinate, range: -32K to +32K Rect Rectangluar 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; 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; unsigned long 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 *********************************************************************************/ EXTERN_API( void ) Debugger (void) ONEWORDINLINE(0xA9FF); EXTERN_API( void ) DebugStr (ConstStr255Param debuggerMsg) ONEWORDINLINE(0xABFF); if TARGET_OS_MAC if CALL_NOT_IN_CARBON EXTERN_API_C( void ) debugstr (const char * debuggerMsg); endif /* CALL_NOT_IN_CARBON */ if TARGET_CPU_PPC /* Only for Mac OS native drivers */ if CALL_NOT_IN_CARBON EXTERN_API_C( void ) SysDebug (void); EXTERN_API_C( void ) SysDebugStr (ConstStr255Param str); endif /* CALL_NOT_IN_CARBON */ endif /* TARGET_CPU_PPC */ /* SADE break points */ EXTERN_API( void ) SysBreak (void) THREEWORDINLINE(0x303C, 0xFE16, 0xA9C9); EXTERN_API( void ) SysBreakStr (ConstStr255Param debuggerMsg) THREEWORDINLINE(0x303C, 0xFE15, 0xA9C9); EXTERN_API( void ) SysBreakFunc (ConstStr255Param debuggerMsg) THREEWORDINLINE(0x303C, 0xFE14, 0xA9C9); /* old names for Debugger and DebugStr */ if OLDROUTINENAMES && TARGET_CPU_68K #define Debugger68k() Debugger() #define DebugStr68k(s) DebugStr(s) endif endif /* TARGET_OS_MAC */ if PRAGMA_STRUCT_ALIGN #pragma options align=reset #elif PRAGMA_STRUCT_PACKPUSH #pragma pack(pop) #elif PRAGMA_STRUCT_PACK #pragma pack() endif ifdef PRAGMA_IMPORT_OFF #pragma import off #elif PRAGMA_IMPORT #pragma import reset endif ifdef __cplusplus } endif endif /* __MACTYPES__ */
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(C) Æliens 04/09/2009
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