amiconn: firmware/drivers fat.c,1.95,1.96

Update of /cvsroot/rockbox/firmware/drivers
In directory labb.contactor.se:/tmp/cvs-serv12329/firmware/drivers

Modified Files:
	fat.c 
Log Message:
Correct handling of FAT16 root directory when it does not start on a pseudo cluster boundary. Fixed some
places where the cluster number can become negative. Significant code cleanup.

Index: fat.c
===================================================================
RCS file: /cvsroot/rockbox/firmware/drivers/fat.c,v
retrieving revision 1.95
retrieving revision 1.96
diff -u -d -r1.95 -r1.96
--- fat.c	28 Dec 2004 22:35:10 -0000	1.95
+++ fat.c	3 Jan 2005 07:59:48 -0000	1.96
 <at>  <at>  -217,7 +217,8  <at>  <at> 
     int bpb_rootentcnt;  /* Number of dir entries in the root */
     /* internals for FAT16 support */
     bool is_fat16; /* true if we mounted a FAT16 partition, false if FAT32 */
-    unsigned int rootdirsectors; /* fixed # of sectors occupied by root dir */
+    unsigned int rootdiroffset; /* sector offset of root dir relative to start
+                                 * of first pseudo cluster */
 #endif /* #ifdef HAVE_FAT16SUPPORT */
 #ifdef HAVE_MULTIVOLUME
     int drive; /* on which physical device is this located */
 <at>  <at>  -229,7 +230,6  <at>  <at> 

 static int update_fsinfo(IF_MV_NONVOID(struct bpb* fat_bpb));