HW1

code/filesys/filesys.h

@@ -45,24 +45,23 @@ class FileSystem {
     FileSystem() { for (int i = 0; i < 20; i++) fileDescriptorTable[i] = NULL; }
 
     bool Create(char *name) {
-	int fileDescriptor = OpenForWrite(name);
+      int fileDescriptor = OpenForWrite(name);
 
-	if (fileDescriptor == -1) return FALSE;
-	Close(fileDescriptor); 
-	return TRUE; 
-	}
+      if (fileDescriptor == -1) return FALSE;
+      Close(fileDescriptor); 
+      return TRUE; 
+    }
 
     OpenFile* Open(char *name) {
-	  int fileDescriptor = OpenForReadWrite(name, FALSE);
+      int fileDescriptor = OpenForReadWrite(name, FALSE);
 
-	  if (fileDescriptor == -1) return NULL;
-	  return new OpenFile(fileDescriptor);
-      }
+      if (fileDescriptor == -1) return NULL;
+      return new OpenFile(fileDescriptor);
+    }
 
     bool Remove(char *name) { return Unlink(name) == 0; }
 
-	OpenFile *fileDescriptorTable[20];
-	
+	  OpenFile *fileDescriptorTable[20];
 };
 
 #else // FILESYS
@@ -87,9 +86,9 @@ class FileSystem {
     void Print();			// List all the files and their contents
 
   private:
-   OpenFile* freeMapFile;		// Bit map of free disk blocks,
+    OpenFile* freeMapFile;		// Bit map of free disk blocks,
 					// represented as a file
-   OpenFile* directoryFile;		// "Root" directory -- list of 
+    OpenFile* directoryFile;		// "Root" directory -- list of 
 					// file names, represented as a file
 };
 

code/filesys/openfile.h

@@ -33,23 +33,23 @@ class OpenFile {
     ~OpenFile() { Close(file); }			// close the file
 
     int ReadAt(char *into, int numBytes, int position) { 
-    		Lseek(file, position, 0); 
-		return ReadPartial(file, into, numBytes); 
+    	Lseek(file, position, 0); 
+		  return ReadPartial(file, into, numBytes); 
 		}	
     int WriteAt(char *from, int numBytes, int position) { 
-    		Lseek(file, position, 0); 
-		WriteFile(file, from, numBytes); 
-		return numBytes;
+    	Lseek(file, position, 0); 
+		  WriteFile(file, from, numBytes); 
+		  return numBytes;
 		}	
     int Read(char *into, int numBytes) {
-		int numRead = ReadAt(into, numBytes, currentOffset); 
-		currentOffset += numRead;
-		return numRead;
-    		}
+      int numRead = ReadAt(into, numBytes, currentOffset); 
+		  currentOffset += numRead;
+		  return numRead;
+    }
     int Write(char *from, int numBytes) {
-		int numWritten = WriteAt(from, numBytes, currentOffset); 
-		currentOffset += numWritten;
-		return numWritten;
+      int numWritten = WriteAt(from, numBytes, currentOffset); 
+      currentOffset += numWritten;
+      return numWritten;
 		}
 
     int Length() { Lseek(file, 0, 2); return Tell(file); }