From 4dc90d516579fae6547cd40a832e5ec545efe263 Mon Sep 17 00:00:00 2001
From: Robert Greene <robgreene@users.sourceforge.net>
Date: Mon, 22 Dec 2003 23:01:22 +0000
Subject: [PATCH] Handles file size of 0 appropriately.

---
 .../applecommander/storage/DosFileEntry.java           |  1 +
 .../applecommander/storage/DosFormatDisk.java          | 10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/com/webcodepro/applecommander/storage/DosFileEntry.java b/src/com/webcodepro/applecommander/storage/DosFileEntry.java
index 515bc439..1d4cde48 100644
--- a/src/com/webcodepro/applecommander/storage/DosFileEntry.java
+++ b/src/com/webcodepro/applecommander/storage/DosFileEntry.java
@@ -183,6 +183,7 @@ public class DosFileEntry implements FileEntry {
 		}
 		// default to nothing special, just compute from number of sectors
 		int size = (getSectorsUsed()-1) * Disk.SECTOR_SIZE;
+		if (size < 1) size = 0;	// we assume a T/S block is included (may not be)
 		if (rawdata != null) {
 			if ("B".equals(getFiletype())) {
 				// binary
diff --git a/src/com/webcodepro/applecommander/storage/DosFormatDisk.java b/src/com/webcodepro/applecommander/storage/DosFormatDisk.java
index 4bd263b6..89ce35cd 100644
--- a/src/com/webcodepro/applecommander/storage/DosFormatDisk.java
+++ b/src/com/webcodepro/applecommander/storage/DosFormatDisk.java
@@ -398,7 +398,15 @@ public class DosFormatDisk extends FormattedDisk {
 		DosFileEntry dosEntry = (DosFileEntry) fileEntry;
 		// Size is calculated by sectors used - not actual size - as size varies
 		// on filetype, etc.
-		byte[] fileData = new byte[(dosEntry.getSectorsUsed()-1) * SECTOR_SIZE];
+		int filesize = dosEntry.getSectorsUsed();
+		byte[] fileData = null;
+		if (filesize > 0) {
+			fileData = new byte[(dosEntry.getSectorsUsed()-1) * SECTOR_SIZE];
+		} else {
+			fileData = new byte[0];
+			// don't need to load it - also bypass potential issues
+			return fileData;
+		}
 		int track = dosEntry.getTrack();
 		int sector = dosEntry.getSector();
 		int offset = 0;