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Modula Definition | 1987-03-25 | 3.6 KB | 89 lines |
- DEFINITION MODULE DirHelps;
-
- (* Copyright (c) 1987 - Coronado Enterprises *)
-
- EXPORT QUALIFIED ReadFileStats,
- GetDiskStatistics,
- ChangeToDirectory,
- CopyFile,
- FileDataPointer,
- FileData;
-
-
- TYPE FileDataPointer = POINTER TO FileData;
- FileData = RECORD
- Name : ARRAY[0..13] OF CHAR;
- Attr : CARDINAL;
- Time : CARDINAL;
- Date : CARDINAL;
- Size : REAL;
- Left : FileDataPointer;
- Right : FileDataPointer;
- END;
-
-
-
- (*******************************************************************)
- PROCEDURE ReadFileStats(FileName : ARRAY OF CHAR;
- FirstFile : BOOLEAN;
- VAR FilePt : FileDataPointer;
- VAR FileError : BOOLEAN);
-
- (* This procedure is used to read the DOS data concerning a file. *)
- (* It returns a pointer to the FileData structure containing all *)
- (* of the file data. FirstFile is set to TRUE for the first file *)
- (* and to FALSE for the remaining files in the list. FileError *)
- (* returns TRUE if the read was successful and FALSE if it was not *)
- (* with a FALSE also indicating the end of the files in this dir- *)
- (* ectory. *)
-
-
-
- (*******************************************************************)
- PROCEDURE GetDiskStatistics(Drive : CHAR;
- VAR SectorsPerCluster : CARDINAL;
- VAR FreeClusters : CARDINAL;
- VAR BytesPerSector : CARDINAL;
- VAR TotalClusters : CARDINAL);
-
- (* This procedure gets the disk statistics on the selected drive. *)
-
-
-
- (*******************************************************************)
- PROCEDURE ChangeToDirectory(Directory : ARRAY OF CHAR;
- CreateIt : BOOLEAN;
- VAR ErrorReturn : BOOLEAN);
-
- (* C:\DIR1\DIR2\DIR3\<000> Example of usage *)
- (* This procedure is used to change to a directory on the selected *)
- (* drive included in the CHAR array. The directory is a complete *)
- (* path and if the CreatIt flag is TRUE, the directory will be *)
- (* created, otherwise an error return will be generated as follows.*)
- (* ErrorReturn = 0 Directory created as desired. *)
- (* ErrorReturn = 1 Directory doesn't exist and CreateIt = FALSE. *)
- (* ErrorReturn = 2 Not enough disk room to create Directory. *)
-
-
-
- (*******************************************************************)
- PROCEDURE CopyFile(SourceFile : ARRAY OF CHAR;
- DestinationFile : ARRAY OF CHAR;
- FileSize : REAL;
- VAR ResultOfCopy : CARDINAL);
-
- (* C:FILENAME.EXT<000> Example of usage *)
- (* This procedure copies a file from SourceDrive:SourceFile to *)
- (* DestinationDrive:DestinationFile and returns a ResultOfCopy *)
- (* indicator to signal the result of the copy. It assumes that *)
- (* the proper subdirectory has been selected prior to a call to *)
- (* this routine. If a file cannot be opened, it is not copied. *)
-
- (* ResultOfCopy = 0 Good copy made. *)
- (* ResultOfCopy = 1 Cannot open source file. *)
- (* ResultOfCopy = 2 Cannot open destination file. *)
- (* ResultOfCopy = 3 Not enough room on the disk. *)
-
-
- END DirHelps.
-