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1077 lines
36 KiB
ObjectPascal
1077 lines
36 KiB
ObjectPascal
{
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This file is part of the Free Pascal run time library.
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Copyright (c) 1999-2000 by Florian Klaempfl
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member of the Free Pascal development team
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Sysutils unit for OS/2
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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 sysutils;
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interface
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{$MODE objfpc}
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{ force ansistrings }
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{$H+}
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uses
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Dos;
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{$DEFINE HAS_SLEEP}
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{ Include platform independent interface part }
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{$i sysutilh.inc}
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implementation
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uses
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sysconst;
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{$DEFINE FPC_FEXPAND_UNC} (* UNC paths are supported *)
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{$DEFINE FPC_FEXPAND_DRIVES} (* Full paths begin with drive specification *)
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{ Include platform independent implementation part }
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{$i sysutils.inc}
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{****************************************************************************
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System (imported) calls
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****************************************************************************}
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(* "uses DosCalls" could not be used here due to type *)
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(* conflicts, so needed parts had to be redefined here). *)
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type
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TFileStatus = object
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end;
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PFileStatus = ^TFileStatus;
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TFileStatus3 = object (TFileStatus)
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DateCreation, {Date of file creation.}
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TimeCreation, {Time of file creation.}
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DateLastAccess, {Date of last access to file.}
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TimeLastAccess, {Time of last access to file.}
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DateLastWrite, {Date of last modification of file.}
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TimeLastWrite:word; {Time of last modification of file.}
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FileSize, {Size of file.}
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FileAlloc:cardinal; {Amount of space the file really
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occupies on disk.}
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AttrFile:cardinal; {Attributes of file.}
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end;
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PFileStatus3=^TFileStatus3;
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TFileStatus4=object(TFileStatus3)
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cbList:cardinal; {Length of entire EA set.}
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end;
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PFileStatus4=^TFileStatus4;
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TFileFindBuf3=object(TFileStatus)
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NextEntryOffset: cardinal; {Offset of next entry}
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DateCreation, {Date of file creation.}
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TimeCreation, {Time of file creation.}
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DateLastAccess, {Date of last access to file.}
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TimeLastAccess, {Time of last access to file.}
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DateLastWrite, {Date of last modification of file.}
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TimeLastWrite:word; {Time of last modification of file.}
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FileSize, {Size of file.}
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FileAlloc:cardinal; {Amount of space the file really
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occupies on disk.}
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AttrFile:cardinal; {Attributes of file.}
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Name:shortstring; {Also possible to use as ASCIIZ.
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The byte following the last string
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character is always zero.}
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end;
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PFileFindBuf3=^TFileFindBuf3;
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TFileFindBuf4=object(TFileStatus)
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NextEntryOffset: cardinal; {Offset of next entry}
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DateCreation, {Date of file creation.}
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TimeCreation, {Time of file creation.}
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DateLastAccess, {Date of last access to file.}
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TimeLastAccess, {Time of last access to file.}
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DateLastWrite, {Date of last modification of file.}
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TimeLastWrite:word; {Time of last modification of file.}
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FileSize, {Size of file.}
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FileAlloc:cardinal; {Amount of space the file really
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occupies on disk.}
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AttrFile:cardinal; {Attributes of file.}
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cbList:cardinal; {Size of the file's extended attributes.}
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Name:shortstring; {Also possible to use as ASCIIZ.
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The byte following the last string
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character is always zero.}
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end;
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PFileFindBuf4=^TFileFindBuf4;
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TFileFindBuf3L=object(TFileStatus)
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NextEntryOffset: cardinal; {Offset of next entry}
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DateCreation, {Date of file creation.}
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TimeCreation, {Time of file creation.}
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DateLastAccess, {Date of last access to file.}
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TimeLastAccess, {Time of last access to file.}
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DateLastWrite, {Date of last modification of file.}
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TimeLastWrite:word; {Time of last modification of file.}
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FileSize, {Size of file.}
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FileAlloc:int64; {Amount of space the file really
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occupies on disk.}
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AttrFile:cardinal; {Attributes of file.}
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Name:shortstring; {Also possible to use as ASCIIZ.
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The byte following the last string
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character is always zero.}
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end;
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PFileFindBuf3L=^TFileFindBuf3L;
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TFileFindBuf4L=object(TFileStatus)
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NextEntryOffset: cardinal; {Offset of next entry}
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DateCreation, {Date of file creation.}
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TimeCreation, {Time of file creation.}
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DateLastAccess, {Date of last access to file.}
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TimeLastAccess, {Time of last access to file.}
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DateLastWrite, {Date of last modification of file.}
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TimeLastWrite:word; {Time of last modification of file.}
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FileSize, {Size of file.}
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FileAlloc:int64; {Amount of space the file really
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occupies on disk.}
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AttrFile:cardinal; {Attributes of file.}
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cbList:cardinal; {Size of the file's extended attributes.}
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Name:shortstring; {Also possible to use as ASCIIZ.
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The byte following the last string
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character is always zero.}
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end;
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PFileFindBuf4L=^TFileFindBuf4L;
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TFSInfo = record
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case word of
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1:
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(File_Sys_ID,
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Sectors_Per_Cluster,
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Total_Clusters,
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Free_Clusters: cardinal;
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Bytes_Per_Sector: word);
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2: {For date/time description,
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see file searching realted
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routines.}
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(Label_Date, {Date when volume label was created.}
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Label_Time: word; {Time when volume label was created.}
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VolumeLabel: ShortString); {Volume label. Can also be used
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as ASCIIZ, because the byte
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following the last character of
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the string is always zero.}
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end;
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PFSInfo = ^TFSInfo;
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TCountryCode=record
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Country, {Country to query info about (0=current).}
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CodePage: cardinal; {Code page to query info about (0=current).}
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end;
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PCountryCode=^TCountryCode;
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TTimeFmt = (Clock12, Clock24);
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TCountryInfo=record
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Country, CodePage: cardinal; {Country and codepage requested.}
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case byte of
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0:
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(DateFormat: cardinal; {1=ddmmyy 2=yymmdd 3=mmddyy}
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CurrencyUnit: array [0..4] of char;
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ThousandSeparator: char; {Thousands separator.}
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Zero1: byte; {Always zero.}
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DecimalSeparator: char; {Decimals separator,}
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Zero2: byte;
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DateSeparator: char; {Date separator.}
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Zero3: byte;
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TimeSeparator: char; {Time separator.}
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Zero4: byte;
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CurrencyFormat, {Bit field:
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Bit 0: 0=indicator before value
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1=indicator after value
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Bit 1: 1=insert space after
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indicator.
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Bit 2: 1=Ignore bit 0&1, replace
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decimal separator with
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indicator.}
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DecimalPlace: byte; {Number of decimal places used in
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currency indication.}
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TimeFormat: TTimeFmt; {12/24 hour.}
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Reserve1: array [0..1] of word;
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DataSeparator: char; {Data list separator}
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Zero5: byte;
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Reserve2: array [0..4] of word);
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1:
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(fsDateFmt: cardinal; {1=ddmmyy 2=yymmdd 3=mmddyy}
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szCurrency: array [0..4] of char;
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{null terminated currency symbol}
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szThousandsSeparator: array [0..1] of char;
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{Thousands separator + #0}
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szDecimal: array [0..1] of char;
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{Decimals separator + #0}
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szDateSeparator: array [0..1] of char;
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{Date separator + #0}
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szTimeSeparator: array [0..1] of char;
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{Time separator + #0}
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fsCurrencyFmt, {Bit field:
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Bit 0: 0=indicator before value
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1=indicator after value
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Bit 1: 1=insert space after
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indicator.
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Bit 2: 1=Ignore bit 0&1, replace
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decimal separator with
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indicator}
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cDecimalPlace: byte; {Number of decimal places used in
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currency indication}
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fsTimeFmt: byte; {0=12,1=24 hours}
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abReserved1: array [0..1] of word;
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szDataSeparator: array [0..1] of char;
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{Data list separator + #0}
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abReserved2: array [0..4] of word);
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end;
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PCountryInfo=^TCountryInfo;
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TRequestData=record
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PID, {ID of process that wrote element.}
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Data: cardinal; {Information from process writing the data.}
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end;
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PRequestData=^TRequestData;
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{Queue data structure for synchronously started sessions.}
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TChildInfo = record
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case boolean of
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false:
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(SessionID,
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Return: word); {Return code from the child process.}
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true:
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(usSessionID,
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usReturn: word); {Return code from the child process.}
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end;
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PChildInfo = ^TChildInfo;
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TStartData=record
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{Note: to omit some fields, use a length smaller than SizeOf(TStartData).}
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Length:word; {Length, in bytes, of datastructure
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(24/30/32/50/60).}
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Related:word; {Independent/child session (0/1).}
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FgBg:word; {Foreground/background (0/1).}
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TraceOpt:word; {No trace/trace this/trace all (0/1/2).}
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PgmTitle:PChar; {Program title.}
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PgmName:PChar; {Filename to program.}
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PgmInputs:PChar; {Command parameters (nil allowed).}
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TermQ:PChar; {System queue. (nil allowed).}
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Environment:PChar; {Environment to pass (nil allowed).}
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InheritOpt:word; {Inherit enviroment from shell/
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inherit environment from parent (0/1).}
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SessionType:word; {Auto/full screen/window/presentation
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manager/full screen Dos/windowed Dos
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(0/1/2/3/4/5/6/7).}
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Iconfile:PChar; {Icon file to use (nil allowed).}
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PgmHandle:cardinal; {0 or the program handle.}
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PgmControl:word; {Bitfield describing initial state
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of windowed sessions.}
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InitXPos,InitYPos:word; {Initial top coordinates.}
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InitXSize,InitYSize:word; {Initial size.}
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Reserved:word;
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ObjectBuffer:PChar; {If a module cannot be loaded, its
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name will be returned here.}
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ObjectBuffLen:cardinal; {Size of your buffer.}
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end;
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PStartData=^TStartData;
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TResultCodes=record
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TerminateReason, {0 = Normal termionation.
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1 = Critical error.
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2 = Trapped. (GPE, etc.)
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3 = Killed by DosKillProcess.}
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ExitCode:cardinal; {Exit code of child.}
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end;
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const
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ilStandard = 1;
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ilQueryEAsize = 2;
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ilQueryEAs = 3;
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ilQueryFullName = 5;
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quFIFO = 0;
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quLIFO = 1;
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quPriority = 2;
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quNoConvert_Address = 0;
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quConvert_Address = 4;
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{Start the new session independent or as a child.}
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ssf_Related_Independent = 0; {Start new session independent
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of the calling session.}
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ssf_Related_Child = 1; {Start new session as a child
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session to the calling session.}
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{Start the new session in the foreground or in the background.}
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ssf_FgBg_Fore = 0; {Start new session in foreground.}
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ssf_FgBg_Back = 1; {Start new session in background.}
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{Should the program started in the new session
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be executed under conditions for tracing?}
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ssf_TraceOpt_None = 0; {No trace.}
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ssf_TraceOpt_Trace = 1; {Trace with no notification
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of descendants.}
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ssf_TraceOpt_TraceAll = 2; {Trace all descendant sessions.
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A termination queue must be
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supplied and Related must be
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ssf_Related_Child (=1).}
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{Will the new session inherit open file handles
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and environment from the calling process.}
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ssf_InhertOpt_Shell = 0; {Inherit from the shell.}
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ssf_InhertOpt_Parent = 1; {Inherit from the calling process.}
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{Specifies the type of session to start.}
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ssf_Type_Default = 0; {Use program's type.}
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ssf_Type_FullScreen = 1; {OS/2 full screen.}
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ssf_Type_WindowableVIO = 2; {OS/2 window.}
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ssf_Type_PM = 3; {Presentation Manager.}
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ssf_Type_VDM = 4; {DOS full screen.}
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ssf_Type_WindowedVDM = 7; {DOS window.}
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{Additional values for Windows programs}
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Prog_31_StdSeamlessVDM = 15; {Windows 3.1 program in its
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own windowed session.}
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Prog_31_StdSeamlessCommon = 16; {Windows 3.1 program in a
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common windowed session.}
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Prog_31_EnhSeamlessVDM = 17; {Windows 3.1 program in enhanced
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compatibility mode in its own
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windowed session.}
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Prog_31_EnhSeamlessCommon = 18; {Windows 3.1 program in enhanced
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compatibility mode in a common
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windowed session.}
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Prog_31_Enh = 19; {Windows 3.1 program in enhanced
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compatibility mode in a full
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screen session.}
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Prog_31_Std = 20; {Windows 3.1 program in a full
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screen session.}
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{Specifies the initial attributes for a OS/2 window or DOS window session.}
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ssf_Control_Visible = 0; {Window is visible.}
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ssf_Control_Invisible = 1; {Window is invisible.}
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ssf_Control_Maximize = 2; {Window is maximized.}
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ssf_Control_Minimize = 4; {Window is minimized.}
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ssf_Control_NoAutoClose = 8; {Window will not close after
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the program has ended.}
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ssf_Control_SetPos = 32768; {Use InitXPos, InitYPos,
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InitXSize, and InitYSize for
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the size and placement.}
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function DosSetFileInfo (Handle: THandle; InfoLevel: cardinal; AFileStatus: PFileStatus;
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FileStatusLen: cardinal): cardinal; cdecl; external 'DOSCALLS' index 218;
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function DosQueryFSInfo (DiskNum, InfoLevel: cardinal; var Buffer: TFSInfo;
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BufLen: cardinal): cardinal; cdecl; external 'DOSCALLS' index 278;
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function DosQueryFileInfo (Handle: THandle; InfoLevel: cardinal;
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AFileStatus: PFileStatus; FileStatusLen: cardinal): cardinal; cdecl;
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external 'DOSCALLS' index 279;
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function DosScanEnv (Name: PChar; var Value: PChar): cardinal; cdecl;
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external 'DOSCALLS' index 227;
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function DosFindFirst (FileMask: PChar; var Handle: THandle; Attrib: cardinal;
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AFileStatus: PFileStatus; FileStatusLen: cardinal;
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var Count: cardinal; InfoLevel: cardinal): cardinal; cdecl;
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external 'DOSCALLS' index 264;
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function DosFindNext (Handle: THandle; AFileStatus: PFileStatus;
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FileStatusLen: cardinal; var Count: cardinal): cardinal; cdecl;
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external 'DOSCALLS' index 265;
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function DosFindClose (Handle: THandle): cardinal; cdecl;
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external 'DOSCALLS' index 263;
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function DosQueryCtryInfo (Size: cardinal; var Country: TCountryCode;
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var Res: TCountryInfo; var ActualSize: cardinal): cardinal; cdecl;
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external 'NLS' index 5;
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function DosMapCase (Size: cardinal; var Country: TCountryCode;
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AString: PChar): cardinal; cdecl; external 'NLS' index 7;
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function DosDelete(FileName:PChar): cardinal; cdecl;
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external 'DOSCALLS' index 259;
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function DosMove(OldFile, NewFile:PChar): cardinal; cdecl;
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external 'DOSCALLS' index 271;
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function DosQueryPathInfo(FileName:PChar;InfoLevel:cardinal;
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AFileStatus:PFileStatus;FileStatusLen:cardinal): cardinal; cdecl;
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external 'DOSCALLS' index 223;
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function DosSetPathInfo(FileName:PChar;InfoLevel:cardinal;
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AFileStatus:PFileStatus;FileStatusLen,
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Options:cardinal):cardinal; cdecl;
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external 'DOSCALLS' index 219;
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function DosClose(Handle: THandle): cardinal; cdecl;
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external 'DOSCALLS' index 257;
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function DosRead(Handle:THandle; var Buffer; Count: cardinal;
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var ActCount: cardinal): cardinal; cdecl;
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external 'DOSCALLS' index 281;
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function DosWrite(Handle: THandle; Buffer: pointer; Count: cardinal;
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var ActCount: cardinal): cardinal; cdecl;
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external 'DOSCALLS' index 282;
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procedure DosSleep (MSec: cardinal); cdecl; external 'DOSCALLS' index 229;
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function DosCreateQueue (var Handle: THandle; Priority:longint;
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Name: PChar): cardinal; cdecl;
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external 'QUECALLS' index 16;
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function DosReadQueue (Handle: THandle; var ReqBuffer: TRequestData;
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var DataLen: cardinal; var DataPtr: pointer;
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Element, Wait: cardinal; var Priority: byte;
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ASem: THandle): cardinal; cdecl;
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external 'QUECALLS' index 9;
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function DosCloseQueue (Handle: THandle): cardinal; cdecl;
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external 'QUECALLS' index 11;
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function DosStartSession (var AStartData: TStartData;
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var SesID, PID: cardinal): cardinal; cdecl;
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external 'SESMGR' index 37;
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function DosFreeMem(P:pointer):cardinal; cdecl; external 'DOSCALLS' index 304;
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function DosExecPgm (ObjName: PChar; ObjLen: longint; ExecFlag: cardinal;
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Args, Env: PByteArray; var Res: TResultCodes;
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FileName:PChar): cardinal; cdecl;
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external 'DOSCALLS' index 283;
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type
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TDT=packed record
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Hour,
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Minute,
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Second,
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Sec100,
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Day,
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Month: byte;
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Year: word;
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TimeZone: smallint;
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WeekDay: byte;
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end;
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function DosGetDateTime(var Buf: TDT): cardinal; cdecl;
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external 'DOSCALLS' index 230;
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{****************************************************************************
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File Functions
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****************************************************************************}
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const
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ofRead = $0000; {Open for reading}
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ofWrite = $0001; {Open for writing}
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ofReadWrite = $0002; {Open for reading/writing}
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doDenyRW = $0010; {DenyAll (no sharing)}
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faCreateNew = $00010000; {Create if file does not exist}
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faOpenReplace = $00040000; {Truncate if file exists}
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faCreate = $00050000; {Create if file does not exist, truncate otherwise}
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FindResvdMask = $00003737; {Allowed bits in attribute
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specification for DosFindFirst call.}
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function FileOpen (const FileName: string; Mode: integer): THandle;
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Var
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Handle: THandle;
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Rc, Action: cardinal;
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begin
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(* DenyNone if sharing not specified. *)
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if Mode and 112 = 0 then Mode:=Mode or 64;
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|
Rc:=Sys_DosOpenL(PChar (FileName), Handle, Action, 0, 0, 1, Mode, nil);
|
|
If Rc=0 then
|
|
FileOpen:=Handle
|
|
else
|
|
FileOpen:=feInvalidHandle; //FileOpen:=-RC;
|
|
//should return feInvalidHandle(=-1) if fail, other negative returned value are no more errors
|
|
end;
|
|
|
|
function FileCreate (const FileName: string): THandle;
|
|
Const
|
|
Mode = ofReadWrite or faCreate or doDenyRW; (* Sharing to DenyAll *)
|
|
Var
|
|
Handle: THandle;
|
|
RC, Action: cardinal;
|
|
Begin
|
|
RC:=Sys_DosOpenL(PChar (FileName), Handle, Action, 0, 0, $12, Mode, Nil);
|
|
If RC=0 then
|
|
FileCreate:=Handle
|
|
else
|
|
FileCreate:=feInvalidHandle;
|
|
End;
|
|
|
|
function FileCreate (const FileName: string; Mode: integer): THandle;
|
|
begin
|
|
FileCreate := FileCreate(FileName);
|
|
end;
|
|
|
|
|
|
function FileRead (Handle: THandle; var Buffer; Count: longint): longint;
|
|
Var
|
|
T: cardinal;
|
|
begin
|
|
DosRead(Handle, Buffer, Count, T);
|
|
FileRead := longint (T);
|
|
end;
|
|
|
|
function FileWrite (Handle: THandle; const Buffer; Count: longint): longint;
|
|
Var
|
|
T: cardinal;
|
|
begin
|
|
DosWrite (Handle, @Buffer, Count, T);
|
|
FileWrite := longint (T);
|
|
end;
|
|
|
|
function FileSeek (Handle: THandle; FOffset, Origin: longint): longint;
|
|
var
|
|
NPos: int64;
|
|
begin
|
|
if (Sys_DosSetFilePtrL (Handle, FOffset, Origin, NPos) = 0)
|
|
and (NPos < high (longint)) then
|
|
FileSeek:= longint (NPos)
|
|
else
|
|
FileSeek:=-1;
|
|
end;
|
|
|
|
function FileSeek (Handle: THandle; FOffset: Int64; Origin: Longint): Int64;
|
|
var
|
|
NPos: int64;
|
|
begin
|
|
if Sys_DosSetFilePtrL (Handle, FOffset, Origin, NPos) = 0 then
|
|
FileSeek:= NPos
|
|
else
|
|
FileSeek:=-1;
|
|
end;
|
|
|
|
procedure FileClose (Handle: THandle);
|
|
begin
|
|
DosClose(Handle);
|
|
end;
|
|
|
|
function FileTruncate (Handle: THandle; Size: Int64): boolean;
|
|
begin
|
|
FileTruncate:=Sys_DosSetFileSizeL(Handle, Size)=0;
|
|
FileSeek(Handle, 0, 2);
|
|
end;
|
|
|
|
function FileAge (const FileName: string): longint;
|
|
var Handle: longint;
|
|
begin
|
|
Handle := FileOpen (FileName, 0);
|
|
if Handle <> -1 then
|
|
begin
|
|
Result := FileGetDate (Handle);
|
|
FileClose (Handle);
|
|
end
|
|
else
|
|
Result := -1;
|
|
end;
|
|
|
|
|
|
function FileExists (const FileName: string): boolean;
|
|
var
|
|
SR: TSearchRec;
|
|
RC: longint;
|
|
begin
|
|
FileExists:=False;
|
|
if FindFirst (FileName, faAnyFile and not (faDirectory), SR) = 0
|
|
then FileExists := True;
|
|
FindClose(SR);
|
|
end;
|
|
|
|
type TRec = record
|
|
T, D: word;
|
|
end;
|
|
PSearchRec = ^SearchRec;
|
|
|
|
function FindFirst (const Path: string; Attr: longint; out Rslt: TSearchRec): longint;
|
|
|
|
var SR: PSearchRec;
|
|
FStat: PFileFindBuf3;
|
|
Count: cardinal;
|
|
Err: cardinal;
|
|
I: cardinal;
|
|
|
|
begin
|
|
New (FStat);
|
|
Rslt.FindHandle := THandle ($FFFFFFFF);
|
|
Count := 1;
|
|
Err := DosFindFirst (PChar (Path), Rslt.FindHandle,
|
|
Attr and FindResvdMask, FStat, SizeOf (FStat^), Count, ilStandard);
|
|
if (Err = 0) and (Count = 0) then Err := 18;
|
|
FindFirst := -Err;
|
|
if Err = 0 then
|
|
begin
|
|
Rslt.Name := FStat^.Name;
|
|
Rslt.Size := FStat^.FileSize;
|
|
Rslt.Attr := FStat^.AttrFile;
|
|
Rslt.ExcludeAttr := 0;
|
|
TRec (Rslt.Time).T := FStat^.TimeLastWrite;
|
|
TRec (Rslt.Time).D := FStat^.DateLastWrite;
|
|
end;
|
|
Dispose (FStat);
|
|
end;
|
|
|
|
|
|
function FindNext (var Rslt: TSearchRec): longint;
|
|
var
|
|
SR: PSearchRec;
|
|
FStat: PFileFindBuf3;
|
|
Count: cardinal;
|
|
Err: cardinal;
|
|
begin
|
|
New (FStat);
|
|
Count := 1;
|
|
Err := DosFindNext (Rslt.FindHandle, FStat, SizeOf (FStat^),
|
|
Count);
|
|
if (Err = 0) and (Count = 0) then Err := 18;
|
|
FindNext := -Err;
|
|
if Err = 0 then
|
|
begin
|
|
Rslt.Name := FStat^.Name;
|
|
Rslt.Size := FStat^.FileSize;
|
|
Rslt.Attr := FStat^.AttrFile;
|
|
Rslt.ExcludeAttr := 0;
|
|
TRec (Rslt.Time).T := FStat^.TimeLastWrite;
|
|
TRec (Rslt.Time).D := FStat^.DateLastWrite;
|
|
end;
|
|
Dispose (FStat);
|
|
end;
|
|
|
|
|
|
procedure FindClose (var F: TSearchrec);
|
|
var
|
|
SR: PSearchRec;
|
|
begin
|
|
DosFindClose (F.FindHandle);
|
|
F.FindHandle := 0;
|
|
end;
|
|
|
|
function FileGetDate (Handle: THandle): longint;
|
|
var
|
|
FStat: TFileStatus3;
|
|
Time: Longint;
|
|
begin
|
|
DosError := DosQueryFileInfo(Handle, ilStandard, @FStat, SizeOf(FStat));
|
|
if DosError=0 then
|
|
begin
|
|
Time := FStat.TimeLastWrite + longint (FStat.DateLastWrite) shl 16;
|
|
if Time = 0 then
|
|
Time := FStat.TimeCreation + longint (FStat.DateCreation) shl 16;
|
|
end else
|
|
Time:=0;
|
|
FileGetDate:=Time;
|
|
end;
|
|
|
|
function FileSetDate (Handle: THandle; Age: longint): longint;
|
|
var
|
|
FStat: PFileStatus3;
|
|
RC: cardinal;
|
|
begin
|
|
New (FStat);
|
|
RC := DosQueryFileInfo (Handle, ilStandard, FStat, SizeOf (FStat^));
|
|
if RC <> 0 then
|
|
FileSetDate := -1
|
|
else
|
|
begin
|
|
FStat^.DateLastAccess := Hi (Age);
|
|
FStat^.DateLastWrite := Hi (Age);
|
|
FStat^.TimeLastAccess := Lo (Age);
|
|
FStat^.TimeLastWrite := Lo (Age);
|
|
RC := DosSetFileInfo (Handle, ilStandard, FStat, SizeOf (FStat^));
|
|
if RC <> 0 then
|
|
FileSetDate := -1
|
|
else
|
|
FileSetDate := 0;
|
|
end;
|
|
Dispose (FStat);
|
|
end;
|
|
|
|
function FileGetAttr (const FileName: string): longint;
|
|
var
|
|
FS: PFileStatus3;
|
|
begin
|
|
New(FS);
|
|
Result:=-DosQueryPathInfo(PChar (FileName), ilStandard, FS, SizeOf(FS^));
|
|
If Result=0 Then Result:=FS^.attrFile;
|
|
Dispose(FS);
|
|
end;
|
|
|
|
function FileSetAttr (const Filename: string; Attr: longint): longint;
|
|
Var
|
|
FS: PFileStatus3;
|
|
Begin
|
|
New(FS);
|
|
FillChar(FS, SizeOf(FS^), 0);
|
|
FS^.AttrFile:=Attr;
|
|
Result:=-DosSetPathInfo(PChar (FileName), ilStandard, FS, SizeOf(FS^), 0);
|
|
Dispose(FS);
|
|
end;
|
|
|
|
|
|
function DeleteFile (const FileName: string): boolean;
|
|
Begin
|
|
Result:=(DosDelete(PChar (FileName))=0);
|
|
End;
|
|
|
|
function RenameFile (const OldName, NewName: string): boolean;
|
|
Begin
|
|
Result:=(DosMove(PChar (OldName), PChar (NewName))=0);
|
|
End;
|
|
|
|
{****************************************************************************
|
|
Disk Functions
|
|
****************************************************************************}
|
|
|
|
function DiskFree (Drive: byte): int64;
|
|
|
|
var FI: TFSinfo;
|
|
RC: cardinal;
|
|
|
|
begin
|
|
{In OS/2, we use the filesystem information.}
|
|
RC := DosQueryFSInfo (Drive, 1, FI, SizeOf (FI));
|
|
if RC = 0 then
|
|
DiskFree := int64 (FI.Free_Clusters) *
|
|
int64 (FI.Sectors_Per_Cluster) * int64 (FI.Bytes_Per_Sector)
|
|
else
|
|
DiskFree := -1;
|
|
end;
|
|
|
|
function DiskSize (Drive: byte): int64;
|
|
|
|
var FI: TFSinfo;
|
|
RC: cardinal;
|
|
|
|
begin
|
|
{In OS/2, we use the filesystem information.}
|
|
RC := DosQueryFSinfo (Drive, 1, FI, SizeOf (FI));
|
|
if RC = 0 then
|
|
DiskSize := int64 (FI.Total_Clusters) *
|
|
int64 (FI.Sectors_Per_Cluster) * int64 (FI.Bytes_Per_Sector)
|
|
else
|
|
DiskSize := -1;
|
|
end;
|
|
|
|
|
|
function GetCurrentDir: string;
|
|
begin
|
|
GetDir (0, Result);
|
|
end;
|
|
|
|
|
|
function SetCurrentDir (const NewDir: string): boolean;
|
|
begin
|
|
{$I-}
|
|
{$WARNING Should be rewritten to avoid unit dos dependancy!}
|
|
ChDir (NewDir);
|
|
Result := (IOResult = 0);
|
|
{$I+}
|
|
end;
|
|
|
|
|
|
function CreateDir (const NewDir: string): boolean;
|
|
begin
|
|
{$I-}
|
|
{$WARNING Should be rewritten to avoid unit dos dependancy!}
|
|
MkDir (NewDir);
|
|
Result := (IOResult = 0);
|
|
{$I+}
|
|
end;
|
|
|
|
|
|
function RemoveDir (const Dir: string): boolean;
|
|
begin
|
|
{$I-}
|
|
{$WARNING Should be rewritten to avoid unit dos dependancy!}
|
|
RmDir (Dir);
|
|
Result := (IOResult = 0);
|
|
{$I+}
|
|
end;
|
|
|
|
|
|
function DirectoryExists (const Directory: string): boolean;
|
|
var
|
|
SR: TSearchRec;
|
|
begin
|
|
DirectoryExists := (FindFirst (Directory, faAnyFile, SR) = 0) and
|
|
(SR.Attr and faDirectory <> 0);
|
|
FindClose(SR);
|
|
end;
|
|
|
|
{****************************************************************************
|
|
Time Functions
|
|
****************************************************************************}
|
|
|
|
procedure GetLocalTime (var SystemTime: TSystemTime);
|
|
var
|
|
DT: TDT;
|
|
begin
|
|
DosGetDateTime(DT);
|
|
with SystemTime do
|
|
begin
|
|
Year:=DT.Year;
|
|
Month:=DT.Month;
|
|
Day:=DT.Day;
|
|
Hour:=DT.Hour;
|
|
Minute:=DT.Minute;
|
|
Second:=DT.Second;
|
|
MilliSecond:=DT.Sec100;
|
|
end;
|
|
end;
|
|
|
|
{****************************************************************************
|
|
Misc Functions
|
|
****************************************************************************}
|
|
|
|
procedure Beep;
|
|
begin
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
Locale Functions
|
|
****************************************************************************}
|
|
|
|
procedure InitAnsi;
|
|
var I: byte;
|
|
Country: TCountryCode;
|
|
begin
|
|
for I := 0 to 255 do
|
|
UpperCaseTable [I] := Chr (I);
|
|
Move (UpperCaseTable, LowerCaseTable, SizeOf (UpperCaseTable));
|
|
FillChar (Country, SizeOf (Country), 0);
|
|
DosMapCase (SizeOf (UpperCaseTable), Country, @UpperCaseTable);
|
|
for I := 0 to 255 do
|
|
if UpperCaseTable [I] <> Chr (I) then
|
|
LowerCaseTable [Ord (UpperCaseTable [I])] := Chr (I);
|
|
end;
|
|
|
|
|
|
procedure InitInternational;
|
|
var Country: TCountryCode;
|
|
CtryInfo: TCountryInfo;
|
|
Size: cardinal;
|
|
RC: cardinal;
|
|
begin
|
|
Size := 0;
|
|
FillChar (Country, SizeOf (Country), 0);
|
|
FillChar (CtryInfo, SizeOf (CtryInfo), 0);
|
|
RC := DosQueryCtryInfo (SizeOf (CtryInfo), Country, CtryInfo, Size);
|
|
if RC = 0 then
|
|
begin
|
|
DateSeparator := CtryInfo.DateSeparator;
|
|
case CtryInfo.DateFormat of
|
|
1: begin
|
|
ShortDateFormat := 'd/m/y';
|
|
LongDateFormat := 'dd" "mmmm" "yyyy';
|
|
end;
|
|
2: begin
|
|
ShortDateFormat := 'y/m/d';
|
|
LongDateFormat := 'yyyy" "mmmm" "dd';
|
|
end;
|
|
3: begin
|
|
ShortDateFormat := 'm/d/y';
|
|
LongDateFormat := 'mmmm" "dd" "yyyy';
|
|
end;
|
|
end;
|
|
TimeSeparator := CtryInfo.TimeSeparator;
|
|
DecimalSeparator := CtryInfo.DecimalSeparator;
|
|
ThousandSeparator := CtryInfo.ThousandSeparator;
|
|
CurrencyFormat := CtryInfo.CurrencyFormat;
|
|
CurrencyString := PChar (CtryInfo.CurrencyUnit);
|
|
end;
|
|
InitAnsi;
|
|
InitInternationalGeneric;
|
|
end;
|
|
|
|
function SysErrorMessage(ErrorCode: Integer): String;
|
|
|
|
begin
|
|
Result:=Format(SUnknownErrorCode,[ErrorCode]);
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
OS Utils
|
|
****************************************************************************}
|
|
|
|
Function GetEnvironmentVariable(Const EnvVar : String) : String;
|
|
|
|
begin
|
|
GetEnvironmentVariable := StrPas (GetEnvPChar (EnvVar));
|
|
end;
|
|
|
|
|
|
Function GetEnvironmentVariableCount : Integer;
|
|
|
|
begin
|
|
(* Result:=FPCCountEnvVar(EnvP); - the amount is already known... *)
|
|
GetEnvironmentVariableCount := EnvC;
|
|
end;
|
|
|
|
|
|
Function GetEnvironmentString(Index : Integer) : String;
|
|
|
|
begin
|
|
Result:=FPCGetEnvStrFromP (EnvP, Index);
|
|
end;
|
|
|
|
|
|
procedure Sleep (Milliseconds: cardinal);
|
|
|
|
begin
|
|
DosSleep (Milliseconds);
|
|
end;
|
|
|
|
|
|
function ExecuteProcess (const Path: AnsiString; const ComLine: AnsiString):
|
|
integer;
|
|
var
|
|
HQ: THandle;
|
|
SPID, STID, QName: shortstring;
|
|
SD: TStartData;
|
|
SID, PID: cardinal;
|
|
RD: TRequestData;
|
|
PCI: PChildInfo;
|
|
CISize: cardinal;
|
|
Prio: byte;
|
|
E: EOSError;
|
|
CommandLine: ansistring;
|
|
Args0, Args: PByteArray;
|
|
ObjNameBuf: PChar;
|
|
ArgSize: word;
|
|
Res: TResultCodes;
|
|
ObjName: shortstring;
|
|
|
|
const
|
|
MaxArgsSize = 3072; (* Amount of memory reserved for arguments in bytes. *)
|
|
ObjBufSize = 512;
|
|
|
|
begin
|
|
ObjName := '';
|
|
GetMem (ObjNameBuf, ObjBufSize);
|
|
FillChar (ObjNameBuf^, ObjBufSize, 0);
|
|
if ComLine = '' then
|
|
begin
|
|
Args0 := nil;
|
|
Args := nil;
|
|
end
|
|
else
|
|
begin
|
|
GetMem (Args0, MaxArgsSize);
|
|
Args := Args0;
|
|
(* Work around a bug in OS/2 - argument to DosExecPgm *)
|
|
(* should not cross 64K boundary. *)
|
|
if ((PtrUInt (Args) + 1024) and $FFFF) < 1024 then
|
|
Inc (pointer (Args), 1024);
|
|
ArgSize := 0;
|
|
Move (Path [1], Args^ [ArgSize], Length (Path));
|
|
Inc (ArgSize, Length (Path));
|
|
Args^ [ArgSize] := 0;
|
|
Inc (ArgSize);
|
|
{Now do the real arguments.}
|
|
Move (ComLine [1], Args^ [ArgSize], Length (ComLine));
|
|
Inc (ArgSize, Length (ComLine));
|
|
Args^ [ArgSize] := 0;
|
|
Inc (ArgSize);
|
|
Args^ [ArgSize] := 0;
|
|
end;
|
|
Result := DosExecPgm (ObjNameBuf, ObjBufSize, 0, Args, nil, Res, PChar (Path));
|
|
if Args0 <> nil then
|
|
FreeMem (Args0, MaxArgsSize);
|
|
if Result = 0 then
|
|
begin
|
|
Result := Res.ExitCode;
|
|
FreeMem (ObjNameBuf, ObjBufSize);
|
|
end
|
|
else
|
|
begin
|
|
if (Result = 190) or (Result = 191) then
|
|
begin
|
|
FillChar (SD, SizeOf (SD), 0);
|
|
SD.Length := 24;
|
|
SD.Related := ssf_Related_Child;
|
|
CommandLine := FExpand (Path); (* Needed for other session types... *)
|
|
SD.PgmName := PChar (CommandLine);
|
|
if ComLine <> '' then
|
|
SD.PgmInputs := PChar (ComLine);
|
|
SD.InheritOpt := ssf_InhertOpt_Parent;
|
|
Str (GetProcessID, SPID);
|
|
Str (ThreadID, STID);
|
|
QName := '\QUEUES\FPC_ExecuteProcess_p' + SPID + 't' + STID + '.QUE'#0;
|
|
SD.TermQ := @QName [1];
|
|
Result := DosCreateQueue (HQ, quFIFO or quConvert_Address, @QName [1]);
|
|
if Result = 0 then
|
|
begin
|
|
Result := DosStartSession (SD, SID, PID);
|
|
if (Result = 0) or (Result = 457) then
|
|
begin
|
|
Result := DosReadQueue (HQ, RD, CISize, PCI, 0, 0, Prio, 0);
|
|
if Result = 0 then
|
|
begin
|
|
Result := PCI^.Return;
|
|
DosCloseQueue (HQ);
|
|
DosFreeMem (PCI);
|
|
Exit;
|
|
end;
|
|
end;
|
|
DosCloseQueue (HQ);
|
|
end;
|
|
end
|
|
else
|
|
ObjName := StrPas (ObjNameBuf);
|
|
FreeMem (ObjNameBuf, ObjBufSize);
|
|
if ComLine = '' then
|
|
CommandLine := Path
|
|
else
|
|
CommandLine := Path + ' ' + ComLine;
|
|
if ObjName = '' then
|
|
E := EOSError.CreateFmt (SExecuteProcessFailed, [CommandLine, Result])
|
|
else
|
|
E := EOSError.CreateFmt (SExecuteProcessFailed + '(' + ObjName + ')', [CommandLine, Result]);
|
|
E.ErrorCode := Result;
|
|
raise E;
|
|
end;
|
|
end;
|
|
|
|
|
|
function ExecuteProcess (const Path: AnsiString;
|
|
const ComLine: array of AnsiString): integer;
|
|
|
|
var
|
|
CommandLine: AnsiString;
|
|
I: integer;
|
|
|
|
begin
|
|
Commandline := '';
|
|
for I := 0 to High (ComLine) do
|
|
if Pos (' ', ComLine [I]) <> 0 then
|
|
CommandLine := CommandLine + ' ' + '"' + ComLine [I] + '"'
|
|
else
|
|
CommandLine := CommandLine + ' ' + Comline [I];
|
|
ExecuteProcess := ExecuteProcess (Path, CommandLine);
|
|
end;
|
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{****************************************************************************
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Initialization code
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****************************************************************************}
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Initialization
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InitExceptions; { Initialize exceptions. OS independent }
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InitInternational; { Initialize internationalization settings }
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Finalization
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DoneExceptions;
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end.
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