From ad1161c08338cfba44f6551910df100cdc6b1bc1 Mon Sep 17 00:00:00 2001
From: Dave Murphy <wntrmute@users.sourceforge.net>
Date: Mon, 12 May 2008 16:10:42 +0000
Subject: [PATCH] reset read/write position properly on first cluster
 allocation

---
 source/fatfile.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/source/fatfile.c b/source/fatfile.c
index 974e44c..0227b58 100644
--- a/source/fatfile.c
+++ b/source/fatfile.c
@@ -56,6 +56,10 @@
 	2008-05-12 - Chishm
 		* Modified WinterMute's seek then write fix for elegance
 		* Removed resetPosition
+
+	2008-05-12 - WinterMute
+		* Modified Chishm's elegant fix to reset the read/write positions
+
 */
 
 
@@ -594,6 +598,12 @@ int _FAT_write_r (struct _reent *r,int fd, const char *ptr, int len) {
 		file->appendPosition.cluster = file->startCluster;
 		file->appendPosition.sector = 0;
 		file->appendPosition.byte = 0;
+
+		if ( file->currentPosition < partition->bytesPerCluster ) {
+			file->rwPosition.cluster = file->startCluster;
+			file->rwPosition.sector =  (file->currentPosition % partition->bytesPerCluster) / BYTES_PER_READ;
+			file->rwPosition.byte = file->currentPosition % BYTES_PER_READ;
+		}
 	}
 		
 	if (file->append) {