[gedmurphy] 51227: {FULLFAT] - Update FullFat to the latest stable release (1.0.5) - I'm awaiting a reply from James as to when 1.1.0 will be released as it have some nice improvements.
2 Apr
2011
2 Apr
'11
3:22 p.m.
Author: gedmurphy
Date: Sat Apr 2 15:22:48 2011
New Revision: 51227
URL: http://svn.reactos.org/svn/reactos?rev=51227&view=rev
Log:
{FULLFAT]
- Update FullFat to the latest stable release (1.0.5)
- I'm awaiting a reply from James as to when 1.1.0 will be released as it have some
nice improvements.
Added:
trunk/reactos/include/reactos/libs/fullfat/ff_fatdef.h (with props)
Modified:
trunk/reactos/include/reactos/libs/fullfat/ff_config.h
trunk/reactos/include/reactos/libs/fullfat/ff_dir.h
trunk/reactos/include/reactos/libs/fullfat/ff_fat.h
trunk/reactos/include/reactos/libs/fullfat/ff_ioman.h
trunk/reactos/include/reactos/libs/fullfat/ff_memory.h
trunk/reactos/include/reactos/libs/fullfat/fullfat.h
trunk/reactos/lib/3rdparty/fullfat/ff_dir.c
trunk/reactos/lib/3rdparty/fullfat/ff_dir.h
trunk/reactos/lib/3rdparty/fullfat/ff_fat.c
trunk/reactos/lib/3rdparty/fullfat/ff_file.c
trunk/reactos/lib/3rdparty/fullfat/ff_hash.c
trunk/reactos/lib/3rdparty/fullfat/ff_ioman.c
trunk/reactos/lib/3rdparty/fullfat/ff_memory.c
Modified: trunk/reactos/include/reactos/libs/fullfat/ff_config.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/reactos/libs/fullf…
==============================================================================
--- trunk/reactos/include/reactos/libs/fullfat/ff_config.h [iso-8859-1] (original)
+++ trunk/reactos/include/reactos/libs/fullfat/ff_config.h [iso-8859-1] Sat Apr 2
15:22:48 2011
@@ -74,13 +74,24 @@
// within the same path. E.g. a copy \dir1\*.* \dir2\*.* command.
// This command requires FF_MAX_PATH number of bytes of memory. (Defined below,
default 2600).
+//---------- BLKDEV USES SEMAPHORE
+#define FF_BLKDEV_USES_SEM // When defined, each call to fnReadBlocks and fnWriteBlocks
will be done while semaphore is locked
+ // See also ff_safety.c
+ // (HT addition)
+
#define FF_PATH_CACHE_DEPTH 2 // The Number of PATH's to Cache.
//---------- DON'T USE MALLOC
//#define FF_NO_MALLOC
-//---------- DON'T
+#define FF_MALLOC(aSize) malloc(aSize)
+#define FF_FREE(apPtr) free(apPtr)
+
+//#define FF_INLINE_MEMORY_ACCESS
+
+//#define FF_INLINE static __forceinline // Keywords to inline functions (Windows)
+#define FF_INLINE static inline // Standard for GCC
//---------- Hash Table Support
@@ -117,7 +128,7 @@
//---------- AUTOMATIC SETTINGS DO NOT EDIT -- These configure your options from above,
and check sanity!
#ifdef FF_LFN_SUPPORT
-#define FF_MAX_FILENAME 260
+#define FF_MAX_FILENAME (129)
#else
#define FF_MAX_FILENAME 13
#endif
Modified: trunk/reactos/include/reactos/libs/fullfat/ff_dir.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/reactos/libs/fullf…
==============================================================================
--- trunk/reactos/include/reactos/libs/fullfat/ff_dir.h [iso-8859-1] (original)
+++ trunk/reactos/include/reactos/libs/fullfat/ff_dir.h [iso-8859-1] Sat Apr 2 15:22:48
2011
@@ -43,7 +43,7 @@
#include "ff_ioman.h"
#include "ff_blk.h"
#include "ff_fat.h"
-#include "fat.h"
+#include "ff_fatdef.h"
#include "ff_memory.h"
#include "ff_time.h"
#include "ff_hash.h"
Modified: trunk/reactos/include/reactos/libs/fullfat/ff_fat.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/reactos/libs/fullf…
==============================================================================
--- trunk/reactos/include/reactos/libs/fullfat/ff_fat.h [iso-8859-1] (original)
+++ trunk/reactos/include/reactos/libs/fullfat/ff_fat.h [iso-8859-1] Sat Apr 2 15:22:48
2011
@@ -39,7 +39,7 @@
#define _FF_FAT_H_
#include "ff_config.h"
-#include "fat.h"
+#include "ff_fatdef.h"
#include "ff_ioman.h"
#include "ff_blk.h"
#include "ff_types.h"
Added: trunk/reactos/include/reactos/libs/fullfat/ff_fatdef.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/reactos/libs/fullf…
==============================================================================
--- trunk/reactos/include/reactos/libs/fullfat/ff_fatdef.h (added)
+++ trunk/reactos/include/reactos/libs/fullfat/ff_fatdef.h [iso-8859-1] Sat Apr 2
15:22:48 2011
@@ -1,0 +1,90 @@
+/*****************************************************************************
+ * FullFAT - High Performance, Thread-Safe Embedded FAT File-System *
+ * Copyright (C) 2009 James Walmsley (james(a)worm.me.uk) *
+ * *
+ * This program is free software: you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation, either version 3 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ * *
+ * IMPORTANT NOTICE: *
+ * ================= *
+ * Alternative Licensing is available directly from the Copyright holder, *
+ * (James Walmsley). For more information consult LICENSING.TXT to obtain *
+ * a Commercial license. *
+ * *
+ * See RESTRICTIONS.TXT for extra restrictions on the use of FullFAT. *
+ * *
+ * Removing the above notice is illegal and will invalidate this license. *
+ *****************************************************************************
+ * See http://worm.me.uk/fullfat for more information. *
+ * Or http://fullfat.googlecode.com/ for latest releases and the wiki. *
+ *****************************************************************************/
+#ifndef _FF_FATDEF_H_
+#define _FF_FATDEF_H_
+
+/*
+ This file defines offsets to various data for the FAT specification.
+*/
+
+// MBR / PBR Offsets
+
+#define FF_FAT_BYTES_PER_SECTOR 0x00B
+#define FF_FAT_SECTORS_PER_CLUS 0x00D
+#define FF_FAT_RESERVED_SECTORS 0x00E
+#define FF_FAT_NUMBER_OF_FATS 0x010
+#define FF_FAT_ROOT_ENTRY_COUNT 0x011
+#define FF_FAT_16_TOTAL_SECTORS 0x013
+#define FF_FAT_32_TOTAL_SECTORS 0x020
+#define FF_FAT_16_SECTORS_PER_FAT 0x016
+#define FF_FAT_32_SECTORS_PER_FAT 0x024
+#define FF_FAT_ROOT_DIR_CLUSTER 0x02C
+
+#define FF_FAT_16_VOL_LABEL 0x02B
+#define FF_FAT_32_VOL_LABEL 0x047
+
+#define FF_FAT_PTBL 0x1BE
+#define FF_FAT_PTBL_LBA 0x008
+#define FF_FAT_PTBL_ACTIVE 0x000
+#define FF_FAT_PTBL_ID 0x004
+
+#define FF_FAT_MBR_SIGNATURE 0x1FE
+
+#define FF_FAT_DELETED 0xE5
+
+// Directory Entry Offsets
+#define FF_FAT_DIRENT_SHORTNAME 0x000
+#define FF_FAT_DIRENT_ATTRIB 0x00B
+#define FF_FAT_DIRENT_CREATE_TIME 0x00E ///< Creation Time.
+#define FF_FAT_DIRENT_CREATE_DATE 0x010 ///< Creation Date.
+#define FF_FAT_DIRENT_LASTACC_DATE 0x012 ///< Date of Last Access.
+#define FF_FAT_DIRENT_CLUS_HIGH 0x014
+#define FF_FAT_DIRENT_LASTMOD_TIME 0x016 ///< Time of Last modification.
+#define FF_FAT_DIRENT_LASTMOD_DATE 0x018 ///< Date of Last modification.
+#define FF_FAT_DIRENT_CLUS_LOW 0x01A
+#define FF_FAT_DIRENT_FILESIZE 0x01C
+#define FF_FAT_LFN_ORD 0x000
+#define FF_FAT_LFN_NAME_1 0x001
+#define FF_FAT_LFN_CHECKSUM 0x00D
+#define FF_FAT_LFN_NAME_2 0x00E
+#define FF_FAT_LFN_NAME_3 0x01C
+
+// Dirent Attributes
+#define FF_FAT_ATTR_READONLY 0x01
+#define FF_FAT_ATTR_HIDDEN 0x02
+#define FF_FAT_ATTR_SYSTEM 0x04
+#define FF_FAT_ATTR_VOLID 0x08
+#define FF_FAT_ATTR_DIR 0x10
+#define FF_FAT_ATTR_ARCHIVE 0x20
+#define FF_FAT_ATTR_LFN 0x0F
+
+#endif
+
Propchange: trunk/reactos/include/reactos/libs/fullfat/ff_fatdef.h
------------------------------------------------------------------------------
svn:eol-style = native
Modified: trunk/reactos/include/reactos/libs/fullfat/ff_ioman.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/reactos/libs/fullf…
==============================================================================
--- trunk/reactos/include/reactos/libs/fullfat/ff_ioman.h [iso-8859-1] (original)
+++ trunk/reactos/include/reactos/libs/fullfat/ff_ioman.h [iso-8859-1] Sat Apr 2 15:22:48
2011
@@ -100,10 +100,10 @@
**/
typedef struct {
FF_T_UINT32 Sector; ///< The LBA of the Cached sector.
- FF_T_UINT8 Mode; ///< Read or Write mode.
+ FF_T_UINT32 LRU; ///< For the Least Recently Used algorithm.
FF_T_UINT16 NumHandles; ///< Number of objects using this buffer.
FF_T_UINT16 Persistance; ///< For the persistance algorithm.
- FF_T_UINT32 LRU; ///< For the Least Recently Used algorithm.
+ FF_T_UINT8 Mode; ///< Read or Write mode.
FF_T_BOOL Modified; ///< If the sector was modified since read.
FF_T_BOOL Valid; ///< Initially FALSE.
FF_T_UINT8 *pBuffer; ///< Pointer to the cache block.
@@ -129,7 +129,7 @@
FF_T_UINT16 BlkSize; ///< Size of a Sector Block in bytes.
FF_T_UINT8 BlkFactor; ///< Scale Factor for blocksizes above 512!
//FF_T_INT8 Name[FF_MAX_PARTITION_NAME]; ///< Partition Identifier e.g. c: sd0:
etc.
- //FF_T_INT8 VolLabel[12]; ///< Volume Label of the partition.
+ FF_T_INT8 VolLabel[12]; ///< Volume Label of the partition.
FF_T_UINT32 BeginLBA; ///< LBA start address of the partition.
FF_T_UINT32 PartSize; ///< Size of Partition in number of sectors.
FF_T_UINT32 FatBeginLBA; ///< LBA of the FAT tables.
@@ -182,14 +182,15 @@
FF_BLK_DEVICE *pBlkDevice; ///< Pointer to a Block device description.
FF_PARTITION *pPartition; ///< Pointer to a partition description.
FF_BUFFER *pBuffers; ///< Pointer to the first buffer description.
+ void *pSemaphore; ///< Pointer to a Semaphore object. (For buffer description
modifications only!).
+ void *FirstFile; ///< Pointer to the first File object.
+ FF_T_UINT8 *pCacheMem; ///< Pointer to a block of memory for the cache.
FF_T_UINT32 LastReplaced; ///< Marks which sector was last replaced in the cache.
FF_T_UINT16 BlkSize; ///< The Block size that IOMAN is configured to.
- FF_T_UINT8 *pCacheMem; ///< Pointer to a block of memory for the cache.
FF_T_UINT16 CacheSize; ///< Size of the cache in number of Sectors.
+ FF_T_UINT8 PreventFlush; ///< Flushing to disk only allowed when 0
FF_T_UINT8 MemAllocation; ///< Bit-Mask identifying allocated pointers.
FF_T_UINT8 Locks; ///< Lock Flag for FAT & DIR Locking etc (This must be
accessed via a semaphore).
- void *pSemaphore; ///< Pointer to a Semaphore object. (For buffer description
modifications only!).
- void *FirstFile; ///< Pointer to the first File object.
} FF_IOMAN;
// Bit-Masks for Memory Allocation testing.
Modified: trunk/reactos/include/reactos/libs/fullfat/ff_memory.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/reactos/libs/fullf…
==============================================================================
--- trunk/reactos/include/reactos/libs/fullfat/ff_memory.h [iso-8859-1] (original)
+++ trunk/reactos/include/reactos/libs/fullfat/ff_memory.h [iso-8859-1] Sat Apr 2
15:22:48 2011
@@ -41,19 +41,119 @@
#include "ff_config.h"
#include "ff_types.h"
-
+/*
+ HT changed type of aOffset to u32
+*/
//---------- PROTOTYPES
-FF_T_UINT8 FF_getChar (FF_T_UINT8 *pBuffer, FF_T_UINT16 offset);
-FF_T_UINT16 FF_getShort (FF_T_UINT8 *pBuffer, FF_T_UINT16 offset);
-FF_T_UINT32 FF_getLong (FF_T_UINT8 *pBuffer, FF_T_UINT16 offset);
+#if defined(FF_LITTLE_ENDIAN)
-void FF_putChar (FF_T_UINT8 *pBuffer, FF_T_UINT16 offset, FF_T_UINT8 Value);
-void FF_putShort (FF_T_UINT8 *pBuffer, FF_T_UINT16 offset, FF_T_UINT16 Value);
-void FF_putLong (FF_T_UINT8 *pBuffer, FF_T_UINT16 offset, FF_T_UINT32 Value);
+typedef struct {
+ FF_T_UINT8 u8_0;
+ FF_T_UINT8 u8_1;
+} FF_T_SHORT;
-void *FF_Malloc(FF_T_UINT32 allocSize);
-void FF_Free(void *pBuffer);
+typedef struct {
+ FF_T_UINT8 u8_0;
+ FF_T_UINT8 u8_1;
+ FF_T_UINT8 u8_2;
+ FF_T_UINT8 u8_3;
+} FF_T_LONG;
+
+#elif defined(FF_BIG_ENDIAN)
+
+typedef struct {
+ FF_T_UINT8 u8_1;
+ FF_T_UINT8 u8_0;
+} FF_T_SHORT;
+
+typedef struct {
+ FF_T_UINT8 u8_3;
+ FF_T_UINT8 u8_2;
+ FF_T_UINT8 u8_1;
+ FF_T_UINT8 u8_0;
+} FF_T_LONG;
+
+#else
+
+#error Little or Big Endian?
#endif
+//! 16-bit union.
+typedef union {
+ FF_T_UINT16 u16;
+ FF_T_SHORT bytes;
+} FF_T_UN16;
+
+//! 32-bit union.
+typedef union {
+ FF_T_UINT32 u32;
+ FF_T_LONG bytes;
+} FF_T_UN32;
+
+/* HT inlined these functions:
+ */
+
+#ifdef FF_INLINE_MEMORY_ACCESS
+
+FF_INLINE FF_T_UINT8 FF_getChar(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset)
+{
+ return (FF_T_UINT8) (pBuffer[aOffset]);
+}
+
+FF_INLINE FF_T_UINT16 FF_getShort(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset)
+{
+ FF_T_UN16 u16;
+ pBuffer += aOffset;
+ u16.bytes.u8_1 = pBuffer[1];
+ u16.bytes.u8_0 = pBuffer[0];
+ return u16.u16;
+}
+
+FF_INLINE FF_T_UINT32 FF_getLong(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset) {
+ FF_T_UN32 u32;
+ pBuffer += aOffset;
+ u32.bytes.u8_3 = pBuffer[3];
+ u32.bytes.u8_2 = pBuffer[2];
+ u32.bytes.u8_1 = pBuffer[1];
+ u32.bytes.u8_0 = pBuffer[0];
+ return u32.u32;
+}
+
+FF_INLINE void FF_putChar(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset, FF_T_UINT8 Value) {
+ pBuffer[aOffset] = Value;
+}
+
+FF_INLINE void FF_putShort(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset, FF_T_UINT16 Value)
{
+ FF_T_UN16 u16;
+ u16.u16 = Value;
+ pBuffer += aOffset;
+ pBuffer[0] = u16.bytes.u8_0;
+ pBuffer[1] = u16.bytes.u8_1;
+}
+
+FF_INLINE void FF_putLong(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset, FF_T_UINT32 Value) {
+ FF_T_UN32 u32;
+ u32.u32 = Value;
+ pBuffer += aOffset;
+ pBuffer[0] = u32.bytes.u8_0;
+ pBuffer[1] = u32.bytes.u8_1;
+ pBuffer[2] = u32.bytes.u8_2;
+ pBuffer[3] = u32.bytes.u8_3;
+}
+
+#else
+
+FF_T_UINT8 FF_getChar(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset);
+FF_T_UINT16 FF_getShort(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset);
+FF_T_UINT32 FF_getLong(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset);
+void FF_putChar(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset, FF_T_UINT8 Value);
+void FF_putShort(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset, FF_T_UINT16 Value);
+void FF_putLong(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset, FF_T_UINT32 Value);
+
+
+#endif
+
+#endif
+
Modified: trunk/reactos/include/reactos/libs/fullfat/fullfat.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/reactos/libs/fullf…
==============================================================================
--- trunk/reactos/include/reactos/libs/fullfat/fullfat.h [iso-8859-1] (original)
+++ trunk/reactos/include/reactos/libs/fullfat/fullfat.h [iso-8859-1] Sat Apr 2 15:22:48
2011
@@ -32,6 +32,10 @@
#ifndef _FULLFAT_H_
#define _FULLFAT_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
+
#include "ff_config.h"
#include "ff_ioman.h"
#include "ff_fat.h"
@@ -41,6 +45,10 @@
#include "ff_crc.h"
#include "ff_hash.h"
#include "ff_string.h"
+//#include "ff_format.h"
+#ifdef __cplusplus
+} // extern "C"
+#endif
#endif
Modified: trunk/reactos/lib/3rdparty/fullfat/ff_dir.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/3rdparty/fullfat/ff_di…
==============================================================================
--- trunk/reactos/lib/3rdparty/fullfat/ff_dir.c [iso-8859-1] (original)
+++ trunk/reactos/lib/3rdparty/fullfat/ff_dir.c [iso-8859-1] Sat Apr 2 15:22:48 2011
@@ -1769,4 +1769,3 @@
}while(FF_getChar(EntryBuffer, (FF_T_UINT16)(FF_FAT_DIRENT_ATTRIB)) ==
FF_FAT_ATTR_LFN);
}
-
Modified: trunk/reactos/lib/3rdparty/fullfat/ff_dir.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/3rdparty/fullfat/ff_di…
==============================================================================
--- trunk/reactos/lib/3rdparty/fullfat/ff_dir.h [iso-8859-1] (original)
+++ trunk/reactos/lib/3rdparty/fullfat/ff_dir.h [iso-8859-1] Sat Apr 2 15:22:48 2011
@@ -43,7 +43,7 @@
#include "ff_ioman.h"
#include "ff_blk.h"
#include "ff_fat.h"
-#include "fat.h"
+#include "ff_fatdef.h"
#include "ff_memory.h"
#include "ff_time.h"
#include "ff_hash.h"
Modified: trunk/reactos/lib/3rdparty/fullfat/ff_fat.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/3rdparty/fullfat/ff_fa…
==============================================================================
--- trunk/reactos/lib/3rdparty/fullfat/ff_fat.c [iso-8859-1] (original)
+++ trunk/reactos/lib/3rdparty/fullfat/ff_fat.c [iso-8859-1] Sat Apr 2 15:22:48 2011
@@ -136,13 +136,13 @@
FatSectorEntry = FatOffset % pIoman->pPartition->BlkSize;
LBAadjust = (FF_T_UINT8) (FatSectorEntry / pIoman->BlkSize);
- relClusterEntry = (FF_T_UINT16) (FatSectorEntry % pIoman->BlkSize);
+ relClusterEntry = (FF_T_UINT32) (FatSectorEntry % pIoman->BlkSize);
FatSector = FF_getRealLBA(pIoman, FatSector);
#ifdef FF_FAT12_SUPPORT
if(pIoman->pPartition->Type == FF_T_FAT12) {
- if(relClusterEntry == (pIoman->BlkSize - 1)) {
+ if(relClusterEntry == (FF_T_UINT32)(pIoman->BlkSize - 1)) {
// Fat Entry SPANS a Sector!
// First Buffer get the last Byte in buffer (first byte of our address)!
pBuffer = FF_GetBuffer(pIoman, FatSector + LBAadjust, FF_MODE_READ);
@@ -333,7 +333,7 @@
FF_T_UINT32 FatSectorEntry;
FF_T_UINT32 FatEntry;
FF_T_UINT8 LBAadjust;
- FF_T_UINT16 relClusterEntry;
+ FF_T_UINT32 relClusterEntry;
#ifdef FF_FAT12_SUPPORT
FF_T_UINT8 F12short[2]; // For FAT12 FAT Table Across sector boundary traversal.
#endif
@@ -350,13 +350,13 @@
FatSectorEntry = FatOffset % pIoman->pPartition->BlkSize;
LBAadjust = (FF_T_UINT8) (FatSectorEntry / pIoman->BlkSize);
- relClusterEntry = (FF_T_UINT16)(FatSectorEntry % pIoman->BlkSize);
+ relClusterEntry = (FF_T_UINT32)(FatSectorEntry % pIoman->BlkSize);
FatSector = FF_getRealLBA(pIoman, FatSector);
#ifdef FF_FAT12_SUPPORT
if(pIoman->pPartition->Type == FF_T_FAT12) {
- if(relClusterEntry == (FF_T_UINT16) (pIoman->BlkSize - 1)) {
+ if(relClusterEntry == (FF_T_UINT32)(pIoman->BlkSize - 1)) {
// Fat Entry SPANS a Sector!
// First Buffer get the last Byte in buffer (first byte of our address)!
pBuffer = FF_GetBuffer(pIoman, FatSector + LBAadjust, FF_MODE_READ);
@@ -497,6 +497,11 @@
for(i = FatSector; i < pIoman->pPartition->SectorsPerFAT; i++) {
pBuffer = FF_GetBuffer(pIoman, pIoman->pPartition->FatBeginLBA + i,
FF_MODE_READ);
{
+ // HT addition: don't use non-existing clusters
+ if (nCluster >= pIoman->pPartition->NumClusters) {
+ FF_ReleaseBuffer(pIoman, pBuffer);
+ return 0;
+ }
for(x = nCluster % EntriesPerSector; x < EntriesPerSector; x++) {
if(pIoman->pPartition->Type == FF_T_FAT32) {
FatOffset = x * 4;
@@ -612,6 +617,7 @@
FF_T_UINT32 fatEntry;
FF_T_UINT32 currentCluster, chainLength = 0;
FF_T_UINT32 iLen = 0;
+ FF_T_UINT32 lastFree = StartCluster; /* HT addition : reset LastFreeCluster */
fatEntry = StartCluster;
@@ -622,9 +628,15 @@
do {
fatEntry = FF_getFatEntry(pIoman, fatEntry);
FF_putFatEntry(pIoman, currentCluster, 0x00000000);
+ if (lastFree > currentCluster) {
+ lastFree = currentCluster;
+ }
currentCluster = fatEntry;
iLen ++;
}while(!FF_isEndOfChain(pIoman, fatEntry));
+ if (pIoman->pPartition->LastFreeCluster > lastFree) {
+ pIoman->pPartition->LastFreeCluster = lastFree;
+ }
FF_IncreaseFreeClusters(pIoman, iLen);
} else {
// Truncation - This is quite hard, because we can only do it backwards.
@@ -694,7 +706,7 @@
} else {
FatOffset = x * 2;
FatSectorEntry = FatOffset % pIoman->pPartition->BlkSize;
- FatEntry = (FF_T_UINT32) FF_getShort(pBuffer->pBuffer,
(FF_T_UINT16)FatSectorEntry);
+ FatEntry = (FF_T_UINT32) FF_getShort(pBuffer->pBuffer, FatSectorEntry);
}
if(FatEntry == 0x00000000) {
FreeClusters += 1;
@@ -706,7 +718,7 @@
FF_ReleaseBuffer(pIoman, pBuffer);
}
- return FreeClusters;
+ return FreeClusters <= pIoman->pPartition->NumClusters ? FreeClusters :
pIoman->pPartition->NumClusters;
}
#ifdef FF_64_NUM_SUPPORT
@@ -747,4 +759,4 @@
}
return 0;
}
-#endif
+#endif
Modified: trunk/reactos/lib/3rdparty/fullfat/ff_file.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/3rdparty/fullfat/ff_fi…
==============================================================================
--- trunk/reactos/lib/3rdparty/fullfat/ff_file.c [iso-8859-1] (original)
+++ trunk/reactos/lib/3rdparty/fullfat/ff_file.c [iso-8859-1] Sat Apr 2 15:22:48 2011
@@ -163,7 +163,7 @@
}
return (FF_FILE *)NULL;
}
- pFile = FF_Malloc(sizeof(FF_FILE));
+ pFile = FF_MALLOC(sizeof(FF_FILE));
if(!pFile) {
if(pError) {
*pError = FF_ERR_NOT_ENOUGH_MEMORY;
@@ -222,7 +222,7 @@
if(Object.Attrib == FF_FAT_ATTR_DIR) {
if(!(pFile->Mode & FF_MODE_DIR)) {
// Not the object, File Not Found!
- FF_Free(pFile);
+ FF_FREE(pFile);
if(pError) {
*pError = FF_ERR_FILE_OBJECT_IS_A_DIR;
}
@@ -233,7 +233,7 @@
//---------- Ensure Read-Only files don't get opened for Writing.
if((pFile->Mode & FF_MODE_WRITE) || (pFile->Mode & FF_MODE_APPEND)) {
if((Object.Attrib & FF_FAT_ATTR_READONLY)) {
- FF_Free(pFile);
+ FF_FREE(pFile);
if(pError) {
*pError = FF_ERR_FILE_IS_READ_ONLY;
}
@@ -276,7 +276,7 @@
if(pFileChain->ObjectCluster == pFile->ObjectCluster) {
// File is already open! DON'T ALLOW IT!
FF_ReleaseSemaphore(pIoman->pSemaphore);
- FF_Free(pFile);
+ FF_FREE(pFile);
if(pError) {
*pError = FF_ERR_FILE_ALREADY_OPEN;
}
@@ -294,7 +294,7 @@
return pFile;
}else {
- FF_Free(pFile);
+ FF_FREE(pFile);
if(pError) {
*pError = FF_ERR_FILE_NOT_FOUND;
}
@@ -305,7 +305,7 @@
*pError = FF_ERR_FILE_INVALID_PATH;
}
- FF_Free(pFile);
+ FF_FREE(pFile);
return (FF_FILE *)NULL;
}
@@ -600,7 +600,14 @@
do {
if(pFile->pIoman->pBlkDevice->fnReadBlocks) {
+#ifdef FF_BLKDEV_USES_SEM
+ FF_PendSemaphore(pFile->pIoman->pSemaphore);
+#endif
+ // Called from FF_Read, sem not claimed
RetVal = pFile->pIoman->pBlkDevice->fnReadBlocks(buffer, nItemLBA, Sectors,
pFile->pIoman->pBlkDevice->pParam);
+#ifdef FF_BLKDEV_USES_SEM
+ FF_ReleaseSemaphore(pFile->pIoman->pSemaphore);
+#endif
if(RetVal == FF_ERR_DRIVER_BUSY) {
FF_Yield();
FF_Sleep(FF_DRIVER_BUSY_SLEEP);
@@ -703,7 +710,14 @@
do {
if(pFile->pIoman->pBlkDevice->fnWriteBlocks) {
+#ifdef FF_BLKDEV_USES_SEM
+ FF_PendSemaphore(pFile->pIoman->pSemaphore);
+#endif
+ // Called from FF_Write, sem not claimed
RetVal = pFile->pIoman->pBlkDevice->fnWriteBlocks(buffer, nItemLBA, Sectors,
pFile->pIoman->pBlkDevice->pParam);
+#ifdef FF_BLKDEV_USES_SEM
+ FF_ReleaseSemaphore(pFile->pIoman->pSemaphore);
+#endif
if(RetVal == FF_ERR_DRIVER_BUSY) {
FF_Yield();
FF_Sleep(FF_DRIVER_BUSY_SLEEP);
@@ -832,7 +846,13 @@
do {
if(pIoman->pBlkDevice->fnReadBlocks) {
+#ifdef FF_BLKDEV_USES_SEM
+ FF_PendSemaphore(pFile->pIoman->pSemaphore);
+#endif
RetVal = pFile->pIoman->pBlkDevice->fnReadBlocks(buffer, nItemLBA,
sSectors, pIoman->pBlkDevice->pParam);
+#ifdef FF_BLKDEV_USES_SEM
+ FF_ReleaseSemaphore(pFile->pIoman->pSemaphore);
+#endif
}
if(RetVal == FF_ERR_DRIVER_BUSY) {
FF_Yield();
@@ -887,7 +907,13 @@
do {
if(pIoman->pBlkDevice->fnReadBlocks) {
+#ifdef FF_BLKDEV_USES_SEM
+ FF_PendSemaphore(pFile->pIoman->pSemaphore);
+#endif
RetVal = pFile->pIoman->pBlkDevice->fnReadBlocks(buffer, nItemLBA,
sSectors, pIoman->pBlkDevice->pParam);
+#ifdef FF_BLKDEV_USES_SEM
+ FF_ReleaseSemaphore(pFile->pIoman->pSemaphore);
+#endif
}
if(RetVal == FF_ERR_DRIVER_BUSY) {
FF_Yield();
@@ -1116,7 +1142,13 @@
do {
if(pIoman->pBlkDevice->fnWriteBlocks) {
+#ifdef FF_BLKDEV_USES_SEM
+ FF_PendSemaphore(pFile->pIoman->pSemaphore);
+#endif
RetVal = pFile->pIoman->pBlkDevice->fnWriteBlocks(buffer, nItemLBA,
sSectors, pIoman->pBlkDevice->pParam);
+#ifdef FF_BLKDEV_USES_SEM
+ FF_ReleaseSemaphore(pFile->pIoman->pSemaphore);
+#endif
}
if(RetVal == FF_ERR_DRIVER_BUSY) {
FF_Yield();
@@ -1174,7 +1206,13 @@
do {
if(pIoman->pBlkDevice->fnWriteBlocks) {
+#ifdef FF_BLKDEV_USES_SEM
+ FF_PendSemaphore(pFile->pIoman->pSemaphore);
+#endif
RetVal = pFile->pIoman->pBlkDevice->fnWriteBlocks(buffer, nItemLBA,
sSectors, pIoman->pBlkDevice->pParam);
+#ifdef FF_BLKDEV_USES_SEM
+ FF_ReleaseSemaphore(pFile->pIoman->pSemaphore);
+#endif
}
if(RetVal == FF_ERR_DRIVER_BUSY) {
FF_Yield();
@@ -1405,7 +1443,7 @@
FF_ReleaseSemaphore(pFile->pIoman->pSemaphore);
// If file written, flush to disk
- FF_Free(pFile);
+ FF_FREE(pFile);
// Simply free the pointer!
return FF_ERR_NONE;
}
Modified: trunk/reactos/lib/3rdparty/fullfat/ff_hash.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/3rdparty/fullfat/ff_ha…
==============================================================================
--- trunk/reactos/lib/3rdparty/fullfat/ff_hash.c [iso-8859-1] (original)
+++ trunk/reactos/lib/3rdparty/fullfat/ff_hash.c [iso-8859-1] Sat Apr 2 15:22:48 2011
@@ -53,7 +53,7 @@
*
**/
FF_HASH_TABLE FF_CreateHashTable() {
- FF_HASH_TABLE pHash = (FF_HASH_TABLE) FF_Malloc(sizeof(struct _FF_HASH_TABLE));
+ FF_HASH_TABLE pHash = (FF_HASH_TABLE) FF_MALLOC(sizeof(struct _FF_HASH_TABLE));
if(pHash) {
FF_ClearHashTable(pHash);
@@ -110,7 +110,7 @@
FF_ERROR FF_DestroyHashTable(FF_HASH_TABLE pHash) {
if(pHash) {
- free(pHash);
+ FF_FREE(pHash);
return FF_ERR_NONE;
}
return FF_ERR_NULL_POINTER;
Modified: trunk/reactos/lib/3rdparty/fullfat/ff_ioman.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/3rdparty/fullfat/ff_io…
==============================================================================
--- trunk/reactos/lib/3rdparty/fullfat/ff_ioman.c [iso-8859-1] (original)
+++ trunk/reactos/lib/3rdparty/fullfat/ff_ioman.c [iso-8859-1] Sat Apr 2 15:22:48 2011
@@ -42,8 +42,10 @@
* Destroying a FullFAT IO object.
**/
+#include <string.h>
+
#include "ff_ioman.h" // Includes ff_types.h, ff_safety.h, <stdio.h>
-#include "fat.h"
+#include "ff_fatdef.h"
extern FF_T_UINT32 FF_FindFreeCluster (FF_IOMAN *pIoman);
extern FF_T_UINT32 FF_CountFreeClusters (FF_IOMAN *pIoman);
@@ -89,7 +91,7 @@
return NULL; // Memory Size not a multiple of BlkSize > 0
}
- pIoman = (FF_IOMAN *) FF_Malloc(sizeof(FF_IOMAN));
+ pIoman = (FF_IOMAN *) FF_MALLOC(sizeof(FF_IOMAN));
if(!pIoman) { // Ensure malloc() succeeded.
if(pError) {
@@ -98,62 +100,68 @@
return NULL;
}
+ memset (pIoman, '\0', sizeof(FF_IOMAN));
+
// This is just a bit-mask, to use a byte to keep track of memory.
// pIoman->MemAllocation = 0x00; // Unset all allocation identifiers.
- pIoman->pBlkDevice = NULL;
- pIoman->pBuffers = NULL;
- pIoman->pCacheMem = NULL;
- pIoman->pPartition = NULL;
- pIoman->pSemaphore = NULL;
-
- pIoman->pPartition = (FF_PARTITION *) FF_Malloc(sizeof(FF_PARTITION));
- if(pIoman->pPartition) { // If succeeded, flag that allocation.
- pIoman->MemAllocation |= FF_IOMAN_ALLOC_PART;
- pIoman->pPartition->LastFreeCluster = 0;
- pIoman->pPartition->PartitionMounted = FF_FALSE; // This should be checked by
FF_Open();
-#ifdef FF_PATH_CACHE
- pIoman->pPartition->PCIndex = 0;
- for(i = 0; i < FF_PATH_CACHE_DEPTH; i++) {
- pIoman->pPartition->PathCache[i].DirCluster = 0;
- pIoman->pPartition->PathCache[i].Path[0] = '\0';
-#ifdef FF_HASH_TABLE_SUPPORT
- pIoman->pPartition->PathCache[i].pHashTable = FF_CreateHashTable();
- pIoman->pPartition->PathCache[i].bHashed = FF_FALSE;
-#endif
- }
-#endif
- } else {
+ pIoman->pPartition = (FF_PARTITION *) FF_MALLOC(sizeof(FF_PARTITION));
+ if(!pIoman->pPartition) {
+ if(pError) {
+ *pError = FF_ERR_NOT_ENOUGH_MEMORY;
+ }
FF_DestroyIOMAN(pIoman);
return NULL;
}
-
- pIoman->pBlkDevice = (FF_BLK_DEVICE *) FF_Malloc(sizeof(FF_BLK_DEVICE));
- if(pIoman->pBlkDevice) { // If succeeded, flag that allocation.
- pIoman->MemAllocation |= FF_IOMAN_ALLOC_BLKDEV;
-
- // Make sure all pointers are NULL
- pIoman->pBlkDevice->fnReadBlocks = NULL;
- pIoman->pBlkDevice->fnWriteBlocks = NULL;
- pIoman->pBlkDevice->pParam = NULL;
-
- } else {
+ memset (pIoman->pPartition, '\0', sizeof(FF_PARTITION));
+
+ pIoman->MemAllocation |= FF_IOMAN_ALLOC_PART; // If succeeded, flag that allocation.
+ pIoman->pPartition->LastFreeCluster = 0;
+ pIoman->pPartition->PartitionMounted = FF_FALSE; // This should be checked by
FF_Open();
+#ifdef FF_PATH_CACHE
+ pIoman->pPartition->PCIndex = 0;
+ for(i = 0; i < FF_PATH_CACHE_DEPTH; i++) {
+ pIoman->pPartition->PathCache[i].DirCluster = 0;
+ pIoman->pPartition->PathCache[i].Path[0] = '\0';
+#ifdef FF_HASH_TABLE_SUPPORT
+ pIoman->pPartition->PathCache[i].pHashTable = FF_CreateHashTable();
+ pIoman->pPartition->PathCache[i].bHashed = FF_FALSE;
+#endif
+ }
+#endif
+
+ pIoman->pBlkDevice = (FF_BLK_DEVICE *) FF_MALLOC(sizeof(FF_BLK_DEVICE));
+ if(!pIoman->pBlkDevice) { // If succeeded, flag that allocation.
+ if(pError) {
+ *pError = FF_ERR_NOT_ENOUGH_MEMORY;
+ }
FF_DestroyIOMAN(pIoman);
return NULL;
}
+ memset (pIoman->pBlkDevice, '\0', sizeof(FF_BLK_DEVICE));
+ pIoman->MemAllocation |= FF_IOMAN_ALLOC_BLKDEV;
+
+ // Make sure all pointers are NULL
+ pIoman->pBlkDevice->fnReadBlocks = NULL;
+ pIoman->pBlkDevice->fnWriteBlocks = NULL;
+ pIoman->pBlkDevice->pParam = NULL;
// Organise the memory provided, or create our own!
if(pCacheMem) {
pIoman->pCacheMem = pCacheMem;
}else { // No-Cache buffer provided (malloc)
- pLong = (FF_T_UINT32 *) FF_Malloc(Size);
+ pLong = (FF_T_UINT32 *) FF_MALLOC(Size);
pIoman->pCacheMem = (FF_T_UINT8 *) pLong;
if(!pIoman->pCacheMem) {
- pIoman->MemAllocation |= FF_IOMAN_ALLOC_BUFFERS;
+ if(pError) {
+ *pError = FF_ERR_NOT_ENOUGH_MEMORY;
+ }
FF_DestroyIOMAN(pIoman);
return NULL;
}
-
- }
+ pIoman->MemAllocation |= FF_IOMAN_ALLOC_BUFFERS;
+
+ }
+ memset (pIoman->pCacheMem, '\0', Size);
pIoman->BlkSize = BlkSize;
pIoman->CacheSize = (FF_T_UINT16) (Size / BlkSize);
@@ -163,14 +171,19 @@
/* Malloc() memory for buffer objects. (FullFAT never refers to a buffer directly
but uses buffer objects instead. Allows us to provide thread safety.
*/
- pIoman->pBuffers = (FF_BUFFER *) FF_Malloc(sizeof(FF_BUFFER) *
pIoman->CacheSize);
-
- if(pIoman->pBuffers) {
- pIoman->MemAllocation |= FF_IOMAN_ALLOC_BUFDESCR;
- FF_IOMAN_InitBufferDescriptors(pIoman);
- } else {
+ pIoman->pBuffers = (FF_BUFFER *) FF_MALLOC(sizeof(FF_BUFFER) *
pIoman->CacheSize);
+
+ if(!pIoman->pBuffers) {
+ if(pError) {
+ *pError = FF_ERR_NOT_ENOUGH_MEMORY;
+ }
FF_DestroyIOMAN(pIoman);
- }
+ return NULL; // HT added
+ }
+ memset (pIoman->pBuffers, '\0', sizeof(FF_BUFFER) * pIoman->CacheSize);
+
+ pIoman->MemAllocation |= FF_IOMAN_ALLOC_BUFDESCR;
+ FF_IOMAN_InitBufferDescriptors(pIoman);
// Finally create a Semaphore for Buffer Description modifications.
pIoman->pSemaphore = FF_CreateSemaphore();
@@ -196,22 +209,22 @@
// Ensure pPartition pointer was allocated.
if((pIoman->MemAllocation & FF_IOMAN_ALLOC_PART)) {
- FF_Free(pIoman->pPartition);
+ FF_FREE(pIoman->pPartition);
}
// Ensure pBlkDevice pointer was allocated.
if((pIoman->MemAllocation & FF_IOMAN_ALLOC_BLKDEV)) {
- FF_Free(pIoman->pBlkDevice);
+ FF_FREE(pIoman->pBlkDevice);
}
// Ensure pBuffers pointer was allocated.
if((pIoman->MemAllocation & FF_IOMAN_ALLOC_BUFDESCR)) {
- FF_Free(pIoman->pBuffers);
+ FF_FREE(pIoman->pBuffers);
}
// Ensure pCacheMem pointer was allocated.
if((pIoman->MemAllocation & FF_IOMAN_ALLOC_BUFFERS)) {
- FF_Free(pIoman->pCacheMem);
+ FF_FREE(pIoman->pCacheMem);
}
// Destroy any Semaphore that was created.
@@ -220,7 +233,7 @@
}
// Finally free the FF_IOMAN object.
- FF_Free(pIoman);
+ FF_FREE(pIoman);
return FF_ERR_NONE;
}
@@ -236,15 +249,9 @@
FF_T_UINT16 i;
FF_BUFFER *pBuffer = pIoman->pBuffers;
pIoman->LastReplaced = 0;
+ // HT : it is assmued that pBuffer was cleared by memset ()
for(i = 0; i < pIoman->CacheSize; i++) {
- pBuffer->Mode = 0;
- pBuffer->NumHandles = 0;
- pBuffer->Persistance = 0;
- pBuffer->LRU = 0;
- pBuffer->Sector = 0;
pBuffer->pBuffer = (FF_T_UINT8 *)((pIoman->pCacheMem) + (pIoman->BlkSize *
i));
- pBuffer->Modified = FF_FALSE;
- pBuffer->Valid = FF_FALSE;
pBuffer++;
}
}
@@ -272,6 +279,8 @@
* @param pIoman FF_IOMAN object.
* @param Sector LBA address of the sector to fetch.
* @param pBuffer Pointer to a byte-wise buffer to store the fetched data.
+ *
+ * HT Note: will be called while semaphore claimed (by FF_GetBuffer)
*
* @return FF_TRUE when valid, else FF_FALSE.
**/
@@ -279,6 +288,7 @@
FF_T_SINT32 retVal = 0;
if(pIoman->pBlkDevice->fnReadBlocks) { // Make sure we don't execute a NULL.
do{
+ // Called from FF_GetBuffer with semaphore claimed
retVal = pIoman->pBlkDevice->fnReadBlocks(pBuffer, Sector, 1,
pIoman->pBlkDevice->pParam);
if(retVal == FF_ERR_DRIVER_BUSY) {
FF_Sleep(FF_DRIVER_BUSY_SLEEP);
@@ -306,9 +316,13 @@
* @param Sector LBA address of the sector to fetch.
* @param pBuffer Pointer to a byte-wise buffer to store the fetched data.
*
+ *
+ * HT made it a globally accesible function to be used by new module ff_format.c
+ * Note that this function is called when semaphore is already locked
+ *
* @return FF_TRUE when valid, else FF_FALSE.
**/
-static FF_ERROR FF_IOMAN_FlushBuffer(FF_IOMAN *pIoman, FF_T_UINT32 Sector, FF_T_UINT8
*pBuffer) {
+/* static */ FF_ERROR FF_IOMAN_FlushBuffer(FF_IOMAN *pIoman, FF_T_UINT32 Sector,
FF_T_UINT8 *pBuffer) {
FF_T_SINT32 retVal = 0;
if(pIoman->pBlkDevice->fnWriteBlocks) { // Make sure we don't execute a NULL.
do{
@@ -481,7 +495,7 @@
}
}
FF_ReleaseSemaphore(pIoman->pSemaphore);
- FF_Yield();
+ FF_Yield(); // Better to go asleep to give low-priority task a chance to release
buffer(s)
}
return pBufMatch; // Return the Matched Buffer!
@@ -500,7 +514,11 @@
// Protect description changes with a semaphore.
FF_PendSemaphore(pIoman->pSemaphore);
{
- pBuffer->NumHandles--;
+ if (pBuffer->NumHandles) {
+ pBuffer->NumHandles--;
+ } else {
+ //printf ("FF_ReleaseBuffer: buffer not claimed\n");
+ }
}
FF_ReleaseSemaphore(pIoman->pSemaphore);
}
@@ -630,6 +648,34 @@
return FF_ERR_IOMAN_NOT_FAT_FORMATTED;
}
+
+static FF_T_SINT8 FF_PartitionCount (FF_T_UINT8 *pBuffer)
+{
+ FF_T_SINT8 count = 0;
+ FF_T_SINT8 part;
+ // Check PBR or MBR signature
+ if (FF_getChar(pBuffer, FF_FAT_MBR_SIGNATURE) != 0x55 &&
+ FF_getChar(pBuffer, FF_FAT_MBR_SIGNATURE) != 0xAA ) {
+ // No MBR, but is it a PBR ?
+ if (FF_getChar(pBuffer, 0) == 0xEB && // PBR Byte 0
+ FF_getChar(pBuffer, 2) == 0x90 && // PBR Byte 2
+ (FF_getChar(pBuffer, 21) & 0xF0) == 0xF0) {// PBR Byte 21 : Media byte
+ return 1; // No MBR but PBR exist then only one partition
+ }
+ return 0; // No MBR and no PBR then no partition found
+ }
+ for (part = 0; part < 4; part++) {
+ FF_T_UINT8 active = FF_getChar(pBuffer, FF_FAT_PTBL + FF_FAT_PTBL_ACTIVE + (16 *
part));
+ FF_T_UINT8 part_id = FF_getChar(pBuffer, FF_FAT_PTBL + FF_FAT_PTBL_ID + (16 * part));
+ // The first sector must be a MBR, then check the partition entry in the MBR
+ if (active != 0x80 && (active != 0 || part_id == 0)) {
+ break;
+ }
+ count++;
+ }
+ return count;
+}
+
/**
* @public
* @brief Mounts the Specified partition, the volume specified by the FF_IOMAN object
provided.
@@ -651,6 +697,7 @@
FF_ERROR FF_MountPartition(FF_IOMAN *pIoman, FF_T_UINT8 PartitionNumber) {
FF_PARTITION *pPart;
FF_BUFFER *pBuffer = 0;
+ int partCount;
if(!pIoman) {
return FF_ERR_NULL_POINTER;
@@ -661,19 +708,28 @@
}
pPart = pIoman->pPartition;
+
+ memset (pIoman->pBuffers, '\0', sizeof(FF_BUFFER) * pIoman->CacheSize);
+ memset (pIoman->pCacheMem, '\0', pIoman->BlkSize * pIoman->CacheSize);
+
+ FF_IOMAN_InitBufferDescriptors(pIoman);
+ pIoman->FirstFile = 0;
pBuffer = FF_GetBuffer(pIoman, 0, FF_MODE_READ);
if(!pBuffer) {
return FF_ERR_DEVICE_DRIVER_FAILED;
}
+
+ partCount = FF_PartitionCount (pBuffer->pBuffer);
+
pPart->BlkSize = FF_getShort(pBuffer->pBuffer, FF_FAT_BYTES_PER_SECTOR);
- if((pPart->BlkSize % 512) == 0 && pPart->BlkSize > 0) {
+ if (partCount == 0) { //(pPart->BlkSize % 512) == 0 && pPart->BlkSize >
0) {
// Volume is not partitioned (MBR Found)
pPart->BeginLBA = 0;
} else {
// Primary Partitions to deal with!
- pPart->BeginLBA = FF_getLong(pBuffer->pBuffer, (FF_T_UINT16)(FF_FAT_PTBL +
FF_FAT_PTBL_LBA + (16 * PartitionNumber)));
+ pPart->BeginLBA = FF_getLong(pBuffer->pBuffer, FF_FAT_PTBL + FF_FAT_PTBL_LBA +
(16 * PartitionNumber));
FF_ReleaseBuffer(pIoman, pBuffer);
if(!pPart->BeginLBA) {
@@ -690,6 +746,7 @@
return FF_ERR_IOMAN_INVALID_FORMAT;
}
}
+
// Assume FAT16, then we'll adjust if its FAT32
pPart->ReservedSectors = FF_getShort(pBuffer->pBuffer, FF_FAT_RESERVED_SECTORS);
pPart->FatBeginLBA = pPart->BeginLBA + pPart->ReservedSectors;
@@ -709,6 +766,7 @@
if(pPart->TotalSectors == 0) {
pPart->TotalSectors = FF_getLong(pBuffer->pBuffer, FF_FAT_32_TOTAL_SECTORS);
}
+ memcpy (pPart->VolLabel, pBuffer->pBuffer + FF_FAT_32_VOL_LABEL, sizeof
pPart->VolLabel);
} else { // FAT16
pPart->ClusterBeginLBA = pPart->BeginLBA + pPart->ReservedSectors +
(pPart->NumFATS * pPart->SectorsPerFAT);
pPart->TotalSectors = (FF_T_UINT32) FF_getShort(pBuffer->pBuffer,
FF_FAT_16_TOTAL_SECTORS);
@@ -716,6 +774,7 @@
if(pPart->TotalSectors == 0) {
pPart->TotalSectors = FF_getLong(pBuffer->pBuffer, FF_FAT_32_TOTAL_SECTORS);
}
+ memcpy (pPart->VolLabel, pBuffer->pBuffer + FF_FAT_16_VOL_LABEL, sizeof
pPart->VolLabel);
}
FF_ReleaseBuffer(pIoman, pBuffer); // Release the buffer finally!
Modified: trunk/reactos/lib/3rdparty/fullfat/ff_memory.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/3rdparty/fullfat/ff_me…
==============================================================================
--- trunk/reactos/lib/3rdparty/fullfat/ff_memory.c [iso-8859-1] (original)
+++ trunk/reactos/lib/3rdparty/fullfat/ff_memory.c [iso-8859-1] Sat Apr 2 15:22:48 2011
@@ -48,87 +48,55 @@
#include "ff_memory.h"
#include "ff_config.h"
-#ifdef FF_LITTLE_ENDIAN
+/*
+ * HT inlined these functions
+ *
+ * Not much left for the C-module
+ */
-/**
- * @public
- * @brief 8 bit memory access routines.
- **/
-/*
- These functions swap the byte-orders of shorts and longs. A getChar function is
provided
- incase there is a system that doesn't have byte-wise access to all memory.
- These functions can be replaced with your own platform specific byte-order swapping
routines
- for more efficiency.
-
- The provided functions should work on almost all platforms.
-*/
-FF_T_UINT8 FF_getChar(FF_T_UINT8 *pBuffer, FF_T_UINT16 offset) {
- return (FF_T_UINT8) (pBuffer[offset]);
+#ifndef FF_INLINE_MEMORY_ACCESS
+FF_T_UINT8 FF_getChar(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset) {
+ return (FF_T_UINT8) (pBuffer[aOffset]);
}
-FF_T_UINT16 FF_getShort(FF_T_UINT8 *pBuffer, FF_T_UINT16 offset) {
- return (FF_T_UINT16) (pBuffer[offset] & 0x00FF) | ((FF_T_UINT16) (pBuffer[offset+1]
<< 8) & 0xFF00);
+FF_T_UINT16 FF_getShort(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset) {
+ FF_T_UN16 u16;
+ pBuffer += aOffset;
+ u16.bytes.u8_1 = pBuffer[1];
+ u16.bytes.u8_0 = pBuffer[0];
+ return u16.u16;
}
-FF_T_UINT32 FF_getLong(FF_T_UINT8 *pBuffer, FF_T_UINT16 offset) {
- return (FF_T_UINT32) (pBuffer[offset] & 0x000000FF) | ((FF_T_UINT32)
(pBuffer[offset+1] << 8) & 0x0000FF00) | ((FF_T_UINT32) (pBuffer[offset+2]
<< 16) & 0x00FF0000) | ((FF_T_UINT32) (pBuffer[offset+3] << 24) &
0xFF000000);
+FF_T_UINT32 FF_getLong(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset) {
+ FF_T_UN32 u32;
+ pBuffer += aOffset;
+ u32.bytes.u8_3 = pBuffer[3];
+ u32.bytes.u8_2 = pBuffer[2];
+ u32.bytes.u8_1 = pBuffer[1];
+ u32.bytes.u8_0 = pBuffer[0];
+ return u32.u32;
}
-void FF_putChar(FF_T_UINT8 *pBuffer, FF_T_UINT16 offset, FF_T_UINT8 Value) {
- pBuffer[offset] = Value;
+void FF_putChar(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset, FF_T_UINT8 Value) {
+ pBuffer[aOffset] = Value;
}
-void FF_putShort(FF_T_UINT8 *pBuffer, FF_T_UINT16 offset, FF_T_UINT16 Value) {
- FF_T_UINT8 *Val = (FF_T_UINT8 *) &Value;
- pBuffer[offset] = Val[0];
- pBuffer[offset + 1] = Val[1];
+void FF_putShort(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset, FF_T_UINT16 Value) {
+ FF_T_UN16 u16;
+ u16.u16 = Value;
+ pBuffer += aOffset;
+ pBuffer[0] = u16.bytes.u8_0;
+ pBuffer[1] = u16.bytes.u8_1;
}
-void FF_putLong(FF_T_UINT8 *pBuffer, FF_T_UINT16 offset, FF_T_UINT32 Value) {
- FF_T_UINT8 *Val = (FF_T_UINT8 *) &Value;
- pBuffer[offset] = Val[0];
- pBuffer[offset + 1] = Val[1];
- pBuffer[offset + 2] = Val[2];
- pBuffer[offset + 3] = Val[3];
-}
-
-#endif
-
-#ifdef FF_BIG_ENDIAN
-/*
- These haven't been tested or checked. They should work in theory :)
- Please contact james(a)worm.me.uk if they don't work, and also any fix.
-*/
-FF_T_UINT8 FF_getChar(FF_T_UINT8 *pBuffer, FF_T_UINT16 offset) {
- return (FF_T_UINT8) (pBuffer[offset]);
-}
-
-FF_T_UINT16 FF_getShort(FF_T_UINT8 *pBuffer, FF_T_UINT16 offset) {
- return (FF_T_UINT16) ((pBuffer[offset] & 0xFF00) << 8) |
((FF_T_UINT16) (pBuffer[offset+1]) & 0x00FF);
-}
-
-FF_T_UINT32 FF_getLong(FF_T_UINT8 *pBuffer, FF_T_UINT16 offset) {
- return (FF_T_UINT32) ((pBuffer[offset] << 24) & 0xFF0000) |
((FF_T_UINT32) (pBuffer[offset+1] << 16) & 0x00FF0000) | ((FF_T_UINT32)
(pBuffer[offset+2] << 8) & 0x0000FF00) | ((FF_T_UINT32) (pBuffer[offset+3])
& 0x000000FF);
-}
-
-void FF_putChar(FF_T_UINT8 *pBuffer, FF_T_UINT16 offset, FF_T_UINT8 Value) {
- pBuffer[offset] = Value;
-}
-
-void FF_putShort(FF_T_UINT8 *pBuffer, FF_T_UINT16 offset, FF_T_UINT16 Value) {
- FF_T_UINT8 *Val = (FF_T_UINT8 *) &Value;
- pBuffer[offset] = Val[1];
- pBuffer[offset + 1] = Val[0];
-}
-
-void FF_putLong(FF_T_UINT8 *pBuffer, FF_T_UINT16 offset, FF_T_UINT32 Value) {
- FF_T_UINT8 *Val = (FF_T_UINT8 *) &Value;
- pBuffer[offset] = Val[3];
- pBuffer[offset + 1] = Val[2];
- pBuffer[offset + 2] = Val[1];
- pBuffer[offset + 3] = Val[0];
+void FF_putLong(FF_T_UINT8 *pBuffer, FF_T_UINT32 aOffset, FF_T_UINT32 Value) {
+ FF_T_UN32 u32;
+ u32.u32 = Value;
+ pBuffer += aOffset;
+ pBuffer[0] = u32.bytes.u8_0;
+ pBuffer[1] = u32.bytes.u8_1;
+ pBuffer[2] = u32.bytes.u8_2;
+ pBuffer[3] = u32.bytes.u8_3;
}
#endif
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gedmurphy＠svn.reactos.org