mirror of
https://gitlab.com/freepascal.org/fpc/source.git
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2fbe0038b9
- 8 bytes on windows
- For other platforms: 12 bytes on 32-bit and 16 bytes on 64-bit cpus.
... using a record with assignment overloads.
git-svn-id: trunk@8112 -
119 lines
4.3 KiB
ObjectPascal
119 lines
4.3 KiB
ObjectPascal
{
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This file is part of the Free Pascal run time library.
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Copyright (c) 2004 by Marco van de Voort, member of the
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Free Pascal development team
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Implements C types for in header conversions
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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unit ctypes;
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interface
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{$ifdef unix}
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uses unixtype;
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{$i aliasctp.inc}
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{$else}
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type
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{$ifndef FPC}
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qword = int64; // Keep h2pas "uses ctypes" headers working with delphi.
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{$endif}
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{ the following type definitions are compiler dependant }
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{ and system dependant }
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cint8 = shortint; pcint8 = ^cint8;
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cuint8 = byte; pcuint8 = ^cuint8;
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cchar = cint8; pcchar = ^cchar;
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cschar = cint8; pcschar = ^cschar;
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cuchar = cuint8; pcuchar = ^cuchar;
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cint16 = smallint; pcint16 = ^cint16;
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cuint16 = word; pcuint16 = ^cuint16;
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cshort = cint16; pcshort = ^cshort;
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csshort = cint16; pcsshort = ^csshort;
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cushort = cuint16; pcushort = ^cushort;
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cint32 = longint; pcint32 = ^cint32;
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cuint32 = longword; pcuint32 = ^cuint32;
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cint = cint32; pcint = ^cint; { minimum range is : 32-bit }
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csint = cint32; pcsint = ^csint; { minimum range is : 32-bit }
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cuint = cuint32; pcuint = ^cuint; { minimum range is : 32-bit }
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csigned = cint; pcsigned = ^csigned;
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cunsigned = cuint; pcunsigned = ^cunsigned;
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cint64 = int64; pcint64 = ^cint64;
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cuint64 = qword; pcuint64 = ^cuint64;
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clonglong = cint64; pclonglong = ^clonglong;
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cslonglong = cint64; pcslonglong = ^cslonglong;
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culonglong = cuint64; pculonglong = ^culonglong;
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cbool = longbool; pcbool = ^cbool;
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{$if defined(cpu64) and not(defined(win64) and defined(cpux86_64))}
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clong = int64; pclong = ^clong;
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cslong = int64; pcslong = ^cslong;
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culong = qword; pculong = ^culong;
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{$else}
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clong = longint; pclong = ^clong;
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cslong = longint; pcslong = ^cslong;
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culong = cardinal; pculong = ^culong;
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{$endif}
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cfloat = single; pcfloat = ^cfloat;
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cdouble = double; pcdouble = ^cdouble;
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{$ifdef windows}
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clongdouble=double;
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{$else}
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{$define longdouble_assignment_overload}
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clongdouble = packed record
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value:extended;
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{$ifdef cpu64}
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padding:array[0..5] of byte;
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{$else}
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padding:array[0..1] of byte;
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{$endif}
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end;
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{$endif}
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Pclongdouble=^clongdouble;
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// Kylix compat types
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u_long = culong;
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u_short = cushort;
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{$endif}
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{$ifdef longdouble_assignment_overload}
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operator := (const v:clongdouble):r:extended;
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operator := (const v:extended):r:clongdouble;
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{$endif}
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implementation
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{$ifdef longdouble_assignment_overload}
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operator := (const v:clongdouble):r:extended;inline;
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begin
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r:=v.value;
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end;
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operator := (const v:extended):r:clongdouble;inline;
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begin
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r.value:=v;
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end;
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{$endif}
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end.
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