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Reference for unit 'sysutils' (#rtl)

Reference for unit 'sysutils': Procedures and functions

`AbandonSignalHandler`		Abandon the signal handler
`Abort`		Abort program execution.
`AddDisk`		Add a disk to the list of known disks (Unix only)
`AddTerminateProc`		Add a procedure to the exit chain.
`AdjustLineBreaks`		Convert possible line-endings to the currently valid line ending.
`AnsiCompareFileName`		Compare 2 filenames.
`AnsiCompareStr`		Compare 2 ansistrings, case sensitive, ignoring accents characters.
`AnsiCompareText`		Compare 2 ansistrings, case insensitive, ignoring accents characters.
`AnsiDequotedStr`		Extract string without quotes
`AnsiExtractQuotedStr`		Removes the first quoted string from a string.
`AnsiLastChar`		Return a pointer to the last character of a string.
`AnsiLowerCase`		Return a lowercase version of a string.
`AnsiLowerCaseFileName`		Convert filename to lowercase.
`AnsiPos`		Return Position of one ansistring in another.
`AnsiQuotedStr`		Return a quoted version of a string.
`AnsiSameStr`		Checks whether 2 strings are the same (case sensitive)
`AnsiSameText`		Checks whether 2 strings are the same (case insensitive)
`AnsiStrComp`		Compare two null-terminated strings. Case sensitive.
`AnsiStrIComp`		Compare two null-terminated strings. Case insensitive.
`AnsiStrLastChar`		Return a pointer to the last character of a string.
`AnsiStrLComp`		Compare a limited number of characters of 2 strings
`AnsiStrLIComp`		Compares a given number of characters of a string, case insensitive.
`AnsiStrLower`		Convert a null-terminated string to all-lowercase characters.
`AnsiStrPos`		Return position of one null-terminated substring in another
`AnsiStrRScan`		Find last occurrence of a character in a null-terminated string.
`AnsiStrScan`		Find first occurrence of a character in a null-terminated string.
`AnsiStrUpper`		Convert a null-terminated string to all-uppercase characters.
`AnsiUpperCase`		Return an uppercase version of a string, taking into account special characters.
`AnsiUpperCaseFileName`		Convert filename to uppercase.
`AppendStr`		Append one ansistring to another.
`ApplicationName`		Return a default application name
`AssignStr`		Assigns an ansistring to a null-terminated string.
`BCDToInt`		Convert a BCD coded integer to a normal integer.
`Beep`		Sound the system bell.
`BoolToStr`		Convert a boolean value to a string.
`ByteLength`		Length (in bytes) of a unicodestring
`BytesOf`		Return the bytes in a string
`ByteToCharIndex`		Convert a character index in Bytes to an Index in characters
`ByteToCharLen`		Convert a length in bytes to a length in characters.
`ByteType`		Return the type of byte in an ansistring for a multi-byte character set
`CallTerminateProcs`		Call the exit chain procedures.
`ChangeFileExt`		Change the extension of a filename.
`CharInSet`		Check whether a char is in a set of characters
`CharToByteLen`		Convert a length in characters to a length in bytes.
`CodePageNameToCodePage`		Return a numeric identifier for the codepage.
`CodePageToCodePageName`		Convert a numeric codepage identifier to a codepage name
`CompareMem`		Compare two memory areas.
`CompareMemRange`		Compare 2 memory locations
`CompareStr`		Compare 2 ansistrings case-sensitively, ignoring special characters.
`CompareText`		Compare 2 ansistrings case insensitive.
`ComposeDateTime`		Add a date and time
`ConcatPaths`		Concatenate an array of paths to form a single path
`CreateDir`		Create a new directory
`CreateGUID`		Create a new GUID
`CurrentYear`		Return the current year
`CurrToStr`		Convert a currency value to a string.
`CurrToStrF`		Format a currency to a string
`Date`		Return the current date.
`DateTimeToFileDate`		Convert a `TDateTime` value to a file age (integer)
`DateTimeToStr`		Converts a `TDateTime` value to a string using a predefined format.
`DateTimeToString`		Converts a `TDateTime` value to a string with a given format.
`DateTimeToSystemTime`		Converts a `TDateTime` value to a systemtime structure.
`DateTimeToTimeStamp`		Converts a `TDateTime` value to a TimeStamp structure.
`DateToStr`		Converts a `TDateTime` value to a date string with a predefined format.
`DayOfWeek`		Returns the day of the week.
`DecodeDate`		Decode a `TDateTime` to a year,month,day triplet
`DecodeDateFully`		Decode a date with additional date of the week.
`DecodeTime`		Decode a `TDateTime` to a hour,minute,second,millisec quartet
`DeleteFile`		Delete a file from the filesystem.
`DirectoryExists`		Check whether a directory exists in the file system.
`DiskFree`		Return the amount of free diskspace
`DiskSize`		Return the total amount of diskspace.
`DisposeStr`		Dispose an ansistring from the heap.
`DoDirSeparators`		Convert known directory separators to the current directory separator.
`EncodeDate`		Encode a Year,Month,Day to a `TDateTime` value.
`EncodeTime`		Encode a Hour,Min,Sec,millisec to a `TDateTime` value.
`ExceptAddr`		Current exception address.
`ExceptFrameCount`		Number of frames included in an exception backtrace
`ExceptFrames`		Return the current exception stack frames
`ExceptionErrorMessage`		Return a message describing the exception.
`ExceptObject`		Current Exception object.
`ExcludeLeadingPathDelimiter`		Strip the leading path delimiter of a path
`ExcludeTrailingBackslash`		Strip trailing directory separator from a pathname, if needed.
`ExcludeTrailingPathDelimiter`		Strip trailing directory separator from a pathname, if needed.
`ExecuteProcess`		Execute another process (program).
`ExeSearch`		Search for an executable
`ExpandFileName`		Expand a relative filename to an absolute filename.
`ExpandFileNameCase`		Expand a filename entered as case insensitive to the full path as stored on the disk.
`ExpandUNCFileName`		Expand a relative filename to an absolute UNC filename.
`ExtractFileDir`		Extract the drive and directory part of a filename.
`ExtractFileDrive`		Extract the drive part from a filename.
`ExtractFileExt`		Return the extension from a filename.
`ExtractFileName`		Extract the filename part from a full path filename.
`ExtractFilePath`		Extract the path from a filename.
`ExtractRelativepath`		Extract a relative path from a filename, given a base directory.
`ExtractShortPathName`		Returns a 8.3 path name
`FileAge`		Return the timestamp of a file.
`FileClose`		Close a file handle.
`FileCreate`		Create a new file and return a handle to it.
`FileDateToDateTime`		Convert a `FileDate` value to a `TDateTime` value.
`FileExists`		Check whether a particular file exists in the filesystem.
`FileGetAttr`		Return attributes of a file.
`FileGetDate`		Return the file time of an opened file.
`FileIsReadOnly`		Check whether a file is read-only.
`FileOpen`		Open an existing file and return a filehandle
`FileRead`		Read data from a filehandle in a buffer.
`FileSearch`		Search for a file in a path.
`FileSeek`		Set the current file position on a file handle.
`FileSetAttr`		Set the attributes of a file.
`FileSetDate`		Set the date of a file.
`FileTruncate`		Truncate an open file to a given size.
`FileWrite`		Write data from a buffer to a given filehandle.
`FindClose`		Close a find handle
`FindCmdLineSwitch`		Check whether a certain switch is present on the command-line.
`FindFirst`		Start a file search and return a findhandle
`FindNext`		Find the next entry in a findhandle.
`FloattoCurr`		Convert a float to a Currency value.
`FloatToDateTime`		Convert a float to a `TDateTime` value.
`FloatToDecimal`		Convert a float value to a `TFloatRec` value.
`FloatToStr`		Convert a float value to a string using a fixed format.
`FloatToStrF`		Convert a float value to a string using a given format.
`FloatToText`		Return a string representation of a float, with a given format.
`FloatToTextFmt`		Convert a float value to a string using a given mask.
`FmtStr`		Format a string with given arguments.
`ForceDirectories`		Create a chain of directories
`Format`		Format a string with given arguments.
`FormatBuf`		Format a string with given arguments and store the result in a buffer.
`FormatCurr`		Format a currency
`FormatDateTime`		Return a string representation of a `TDateTime` value with a given format.
`FormatFloat`		Format a float according to a certain mask.
`FreeAndNil`		Free object if needed, and set object reference to `Nil`
`FreeMemAndNil`		Free the heap memory pointed to by a pointer and set pointer to nil.
`GetAppConfigDir`		Return the appropriate directory for the application's configuration files.
`GetAppConfigFile`		Return an appropriate name for an application configuration file.
`GetCurrentDir`		Return the current working directory of the application.
`GetDirs`		Return a list of directory names from a path.
`GetDriveIDFromLetter`		Return the drive ID based on a drive letter
`GetEnvironmentString`		Return an environment variable by index.
`GetEnvironmentVariable`		Return the value of an environment variable.
`GetEnvironmentVariableCount`		Return the number of variables in the environment.
`GetFileHandle`		Extract OS handle from an untyped file or text file.
`GetLastOSError`		Return the last code from the OS.
`GetLocalTime`		Get the local time.
`GetLocalTimeOffset`		Return local timezone offset
`GetModuleName`		Return the name of the current module
`GetTempDir`		Return name of system's temporary directory
`GetTempFileName`		Return the name of a temporary file.
`GetTickCount`		Get tick count (32-bit, deprecated)
`GetTickCount64`		Get tick count (64-bit)
`GetUserDir`		Returns the current user's home directory.
`GuidCase`		Return the index of a GUID in an array of GUID values
`GUIDToString`		Convert a `TGUID` to a string representation.
`HashName`		Calculate a hash from a null-terminated string
`HookSignal`		Hook a specified signal
`IncAMonth`		Increase a date with a certain amount of months
`IncludeLeadingPathDelimiter`		Prepend a path delimiter if there is not already one.
`IncludeTrailingBackslash`		Add trailing directory separator to a pathname, if needed.
`IncludeTrailingPathDelimiter`		Add trailing directory separator to a pathname, if needed.
`IncMonth`		Increases the month in a `TDateTime` value with a given amount.
`InquireSignal`		Check whether a signal handler is set (unix only)
`IntToHex`		Convert an integer value to a hexadecimal string.
`IntToStr`		Convert an integer value to a decimal string.
`IsDelimiter`		Check whether a given string is a delimiter character.
`IsEqualGUID`		Check whether two `TGUID` variables are equal.
`IsLeapYear`		Determine whether a year is a leap year.
`IsPathDelimiter`		Is the character at the given position a pathdelimiter ?
`IsValidIdent`		Check whether a string is a valid identifier name.
`LastDelimiter`		Return the last occurrence of a set of delimiters in a string.
`LeftStr`		Return a number of characters starting at the left of a string.
`LoadStr`		Load a string from the resource tables.
`LowerCase`		Return a lowercase version of a string.
`MSecsToTimeStamp`		Convert a number of milliseconds to a `TDateTime` value.
`NewStr`		Allocate a new ansistring on the heap.
`Now`		Returns the current date and time.
`OutOfMemoryError`		Raise an `EOutOfMemory` exception
`QuotedStr`		Return a quotes version of a string.
`RaiseLastOSError`		Raise an exception with the last Operating System error code.
`RemoveDir`		Remove a directory from the filesystem.
`RenameFile`		Rename a file.
`ReplaceDate`		Replace the date part of a date/time stamp
`ReplaceTime`		Replace the time part
`RightStr`		Return a number of characters from a string, starting at the end.
`SafeLoadLibrary`		Load a library safely
`SameFileName`		Are two filenames referring to the same file ?
`SameStr`		Check whether 2 strings are the same, case insensitive
`SameText`		Checks whether 2 strings are the same (case insensitive)
`SetCurrentDir`		Set the current directory of the application.
`SetDirSeparators`		Set the directory separators to the known directory separators.
`ShowException`		Show the current exception to the user.
`Sleep`		Suspend execution of a program for a certain time.
`SScanf`		Scan a string for substrings and return the substrings
`StrAlloc`		Allocate a null-terminated string on the heap.
`StrBufSize`		Return the size of a null-terminated string allocated on the heap.
`StrByteType`		Return the type of byte in a null-terminated string for a multi-byte character set
`strcat`		Concatenate 2 null-terminated strings.
`StrCharLength`		Return the length of a null-terminated string in characters.
`strcomp`		Compare 2 null-terminated strings, case sensitive.
`StrCopy`		Copy a null-terminated string
`StrDispose`		Dispose of a null-terminated string on the heap.
`strecopy`		Copy a null-terminated string, return a pointer to the end.
`strend`		Return a pointer to the end of a null-terminated string
`StrFmt`		Format a string with given arguments, store the result in a buffer.
`stricomp`		Compare 2 null-terminated strings, case insensitive.
`StringOf`		Create a unicode string from an array of bytes
`StringReplace`		Replace occurrences of one substring with another in a string.
`StringToGUID`		Convert a string to a native `TGUID` type.
`strlcat`		Concatenate 2 null-terminated strings, with length boundary.
`strlcomp`		Compare limited number of characters of 2 null-terminated strings
`StrLCopy`		Copy a null-terminated string, limited in length.
`StrLen`		Length of a null-terminated string.
`StrLFmt`		Format a string with given arguments, but with limited length.
`strlicomp`		Compare limited number of characters in 2 null-terminated strings, ignoring case.
`strlower`		Convert null-terminated string to all-lowercase.
`StrMove`		Move a null-terminated string to new location.
`strnew`		Allocate room for new null-terminated string.
`StrNextChar`		Returns a pointer to the location of the next empty character in a null-terminated string
`StrPas`		Convert a null-terminated string to an ansistring.
`StrPCopy`		Copy an ansistring to a null-terminated string.
`StrPLCopy`		Copy a limited number of characters from an ansistring to a null-terminated string.
`strpos`		Find position of one null-terminated substring in another.
`strrscan`		Find last occurrence of a character in a null-terminated string.
`StrScan`		Find first occurrence of a character in a null-terminated string.
`StrToBool`		Convert a string to a boolean value
`StrToBoolDef`		Convert string to boolean value, returning default in case of error
`StrToCurr`		Convert a string to a currency value
`StrToCurrDef`		Convert a string to a currency value, using a default value
`StrToDate`		Convert a date string to a `TDateTime` value.
`StrToDateDef`		Convert string to date, returning a default value
`StrToDateTime`		Convert a date/time string to a `TDateTime` value.
`StrToDateTimeDef`		Convert string to date/time, returning a default value
`StrToDWord`		Convert string to DWord (cardinal)
`StrToDWordDef`		Convert string to DWord (cardinal), using default
`StrToFloat`		Convert a string to a floating-point value.
`StrToFloatDef`		Convert a string to a float, with a default value.
`StrToInt`		Convert a string to an integer value.
`StrToInt64`		Convert a string to an Int64 value.
`StrToInt64Def`		Convert a string to an Int64 value, with a default value
`StrToIntDef`		Convert a string to an integer value, with a default value.
`StrToQWord`		Convert a string to a QWord.
`StrToQWordDef`		Try to convert a string to a QWord, returning a default value in case of failure.
`StrToTime`		Convert a time string to a `TDateTime` value.
`StrToTimeDef`		Convert string to time, returning a default value
`strupper`		Convert null-terminated string to all-uppercase
`Supports`		Check whether a class or given interface supports an interface
`SysErrorMessage`		Format a system error message.
`SystemTimeToDateTime`		Convert a system time to a `TDateTime` value.
`TextToFloat`		Convert a buffer to a float value.
`Time`		Returns the current time.
`TimeStampToDateTime`		Convert a TimeStamp value to a `TDateTime` value.
`TimeStampToMSecs`		Converts a timestamp to a number of milliseconds.
`TimeToStr`		Convert a `TDateTime` time to a string using a predefined format.
`Trim`		Trim whitespace from the ends of a string.
`TrimLeft`		Trim whitespace from the beginning of a string.
`TrimRight`		Trim whitespace from the end of a string.
`TryEncodeDate`		Try to encode a date, and indicate success.
`TryEncodeTime`		Try to encode a time, and indicate success.
`TryFloatToCurr`		Try to convert a float value to a currency value and report on success.
`TryStringToGUID`		Try to transform a string to a GUID
`TryStrToBool`		Try to convert a string to a boolean value
`TryStrToCurr`		Try to convert a string to a currency
`TryStrToDate`		Try to convert a string with a date indication to a TDateTime value
`TryStrToDateTime`		Try to convert a string with date/time indication to a TDateTime value
`TryStrToDWord`		Try to convert a string to DWord (cardinal)
`TryStrToFloat`		Try to convert a string to a float.
`TryStrToInt`		Try to convert a string to an integer, and report on success.
`TryStrToInt64`		Try to convert a string to an int64 value, and report on success.
`TryStrToQWord`		Try to convert a string to a QWord value, and report on success
`TryStrToTime`		Try to convert a string with a time indication to a TDateTime value
`UnhookSignal`		UnHook a specified signal
`UnicodeCompareStr`		Compare 2 unicode strings
`UnicodeCompareText`		Compare 2 strings case insentivively
`UnicodeFmtStr`		Format a string with given arguments, procedural version.
`UnicodeFormat`		Format unicode string
`UnicodeFormatBuf`		Format a unicode string with given arguments and store the result in a unicodebuffer.
`UnicodeLowerCase`		Return lowercase version of a string
`UnicodeSameStr`		Check whether 2 strings are equal
`UnicodeSameText`		Check whether 2 strings are the same, ignoring case
`UnicodeStringReplace`		Replace one occurrence of a string with another
`UnicodeUpperCase`		Return uppercase version of a string
`UpperCase`		Return an uppercase version of a string.
`VendorName`		Return Application vendor Name
`WideBytesOf`		Returns the contents of a widestring as an array of bytes
`WideCompareStr`		Compare two widestrings (case sensitive)
`WideCompareText`		Compare two widestrings (ignoring case).
`WideFmtStr`		Widestring format
`WideFormat`		Format a wide string.
`WideFormatBuf`		Format widestring in a buffer.
`WideLowerCase`		Change a widestring to all-lowercase.
`WideSameStr`		Check whether two widestrings are the same (case sensitive)
`WideSameText`		Check whether two widestrings are the same (ignoring case)
`WideStrAlloc`		Allocate a null-terminated widestring on the heap.
`WideStringOf`		Create unicode string from array of bytes
`WideStringReplace`		Replace occurrences of one substring with another in a widestring.
`WideUpperCase`		Change a widestring to all-uppercase.
`WrapText`		Word-wrap a text.