Reference for unit 'sysutils': Constants

ConfigExtension

Default application configuration file extension.

CPUEndian

Current CPU endianness

DateDelta

Days between 1/1/0001 and 12/31/1899

DriveDelim

Drive letter delimiter

EmptyStr

Empty String Constant

EmptyWideStr

Empty wide string.

faAnyFile

Match any file

faArchive

Archive bit is set

faCompressed

Compressed file attribute

faDirectory

File is a directory

faEncrypted

Encrypted file attribute

faHidden

Hidden file.

faNormal

Normal file attribute

faReadOnly

Read-Only file.

faSymLink

File is a symlink

faSysFile

System file (Dos/Windows only)

faTemporary

Temporary file attribute

faVirtual

Virtual file attribute

faVolumeId

Volume id (Fat file system, Dos/Windows only)

feInvalidHandle

FileOpen error value

fmOpenRead

Open file in read-only mode

fmOpenReadWrite

Open file in read/write mode.

fmOpenWrite

Open file in write-only mode

fmShareCompat

Open file in DOS share-compatibility mode

fmShareDenyNone

Do not lock file.

fmShareDenyRead

Lock file so other processes cannot read.

fmShareDenyWrite

Lock file so other processes can only read.

fmShareExclusive

Lock file for exclusive use

fsFromBeginning

Start seek operation from beginning of file.

fsFromCurrent

Start seek operation from current position in file.

fsFromEnd

Start seek operation from end of file.

GUID_NULL

NULL GUID constant

HexDisplayPrefix

String to prepend to hexadecimal values

HoursPerDay

Number of hours in a day.

JulianEpoch

Starting point of the Julian calendar

LeadBytes

Lead bytes in Multi-Byte character sets

MaxCurrency

Maximum currency value

MaxDateTime

Maximum TDateTime value.

MAX_PATH

Maximum length of a fully qualified filename (including path)

MinCurrency

Minimum Currency value

MinDateTime

Minimum TDateTime value.

MinsPerDay

Number of minutes per day.

MinsPerHour

Number of minutes per hour.

MonthDays

Array with number of days in the months for leap and non-leap years.

MSecsPerDay

Number of milliseconds per day

MSecsPerSec

Number of milliseconds per second

NullStr

Pointer to an empty string

PathDelim

Path (directory) delimiter.

PathSep

Path separator. (Separates paths in search path lists)

pfBCB4Produced

Not used in Free Pascal.

pfDelphi4Produced

Not used in Free Pascal.

pfDesignOnly

Package is a design-time only package

pfExeModule

Package is an executable

pfIgnoreDupUnits

Ignore duplicate units in package

pfLibraryModule

Package is a library

pfModuleTypeMask

Mask for module type flags

pfNeverBuild

Never-build flag was specified when compiling package

pfPackageModule

Package is a real package (not exe)

pfProducerMask

Mask for producer flags

pfProducerUndefined

Not used in Free Pascal.

pfRunOnly

Package is a run-time only package

pfV3Produced

Not used in Free Pascal.

RTL_SIGBUS

Bus error signal number (Unix only)

RTL_SIGDEFAULT

Default signal handler (Unix only)

RTL_SIGFPE

Floating Point Error signal number (Unix only)

RTL_SIGILL

Illegal instruction signal number (Unix only)

RTL_SIGINT

INTERRUPT signal number (Unix only)

RTL_SIGLAST

Last signal number (Unix only)

RTL_SIGQUIT

QUIT signal number (Unix only)

RTL_SIGSEGV

Segmentation fault signal number (Unix only)

SecsPerDay

Number of seconds per day

SecsPerHour

SecsPerMin

Number of seconds per minute

SwitchChars

Characters which start a command-line switch

SysConfigDir

System configuration directory.

ufImplicitUnit

Unit was implicitly imported into package (did not appear in package contains list)

ufMainUnit

Unit is the main unit of the package

ufOrgWeakUnit

Unit is the original weak packaged unit

ufPackageUnit

Unit is a packaged unit (appeared in package contains list)

ufWeakPackageUnit

Weak (original or not) packaged unit

ufWeakUnit

Unit is a weak packaged unit

UnixDateDelta

Number of days between 1.1.1900 and 1.1.1970

UnixEpoch

Starting point of the unix calendar (1/1/1970)