Author: emaste
Date: Thu Oct 15 16:06:10 2015
New Revision: 289367
URL: https://svnweb.freebsd.org/changeset/base/289367
Log:
MFC r264889: newfs_msdos: Correct min/max cluster counts for FAT12/16/32
FAT12 1..4084
FAT16 4085..65524
FAT32 65525..
This is required for interoperability with other FAT implementations,
and in particular UEFI.
Obtained from: NetBSD
Sponsored by: The FreeBSD Foundation
Modified:
stable/10/sbin/newfs_msdos/newfs_msdos.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sbin/newfs_msdos/newfs_msdos.c
==============================================================================
--- stable/10/sbin/newfs_msdos/newfs_msdos.c Thu Oct 15 15:51:40 2015
(r289366)
+++ stable/10/sbin/newfs_msdos/newfs_msdos.c Thu Oct 15 16:06:10 2015
(r289367)
@@ -64,11 +64,11 @@ static const char rcsid[] =
#define DEFRDE 512 /* default root directory entries */
#define RESFTE 2 /* reserved FAT entries */
#define MINCLS12 1U /* minimum FAT12 clusters */
-#define MINCLS16 0x1000U /* minimum FAT16 clusters */
-#define MINCLS32 2U /* minimum FAT32 clusters */
-#define MAXCLS12 0xfedU /* maximum FAT12 clusters */
-#define MAXCLS16 0xfff5U /* maximum FAT16 clusters */
-#define MAXCLS32 0xffffff5U /* maximum FAT32 clusters */
+#define MINCLS16 0xff5U /* minimum FAT16 clusters */
+#define MINCLS32 0xfff5U /* minimum FAT32 clusters */
+#define MAXCLS12 0xff4U /* maximum FAT12 clusters */
+#define MAXCLS16 0xfff4U /* maximum FAT16 clusters */
+#define MAXCLS32 0xffffff4U /* maximum FAT32 clusters */
#define mincls(fat) ((fat) == 12 ? MINCLS12 : \
(fat) == 16 ? MINCLS16 : \
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