/* dosDirLibP.h - private header of directory handler *//* Copyright 1999-2002 Wind River Systems, Inc. *//*modification history--------------------01f,20sep01,jkf  SPR#69031, common code for both AE & 5.x.01e,29feb00,jkf  T3 changes01d,31jul99,jkf  T2 merge, tidiness & spelling.01c,22nov98,vld  fields <rootNSec> and <rootStartSec> moved from		 DOS_DIR_PDESCR structure to structure DOS_DIR_DESC		 in dosFsLibP.h header01b,02jul98,lrn  doc review01a,18jan98,vld	 written,*/#ifndef __INCdosDirLibP#define __INCdosDirLibP#ifdef __cplusplusextern "C" {#endif#include "vxWorks.h"#include "semLib.h"#include "dosFsLib.h"#define DOS_VX_LONG_NAME_LEN	40	/* length of vxWorks proprietary */					/* long filename */#define DOS_VFAT_NAME_LEN	255	/* max W-95 style name length *//* standard directory entry */#define DOS_DIRENT_STD_LEN	32	/* standard directory entry size */#define DOS_RESERVED_LEN        10      /* reserved bytes in regular dir ent */					/* fully used by VFAT aliases */#define DOS_STDNAME_LEN		8       /* length of filename */					/* (no extension) */#define DOS_STDEXT_LEN		3       /* length of filename extension */#define DOS_ATTRIB_OFF		(DOS_STDNAME_LEN+DOS_STDEXT_LEN)#define DOS_NAME_CASE_OFF	(DOS_ATTRIB_OFF+1)#define DOS_CREAT_MS_OFF	(DOS_NAME_CASE_OFF+1)#define DOS_CREAT_TIME_OFF	(DOS_CREAT_MS_OFF+1)#define DOS_CREAT_DATE_OFF	(DOS_CREAT_TIME_OFF+2)#define DOS_LAST_ACCESS_TIME_OFF	NONE#define DOS_LAST_ACCESS_DATE_OFF	(DOS_CREAT_DATE_OFF+2)#define DOS_EXT_START_CLUST_OFF	(DOS_LAST_ACCESS_DATE_OFF+2)#define DOS_MODIF_TIME_OFF	(DOS_EXT_START_CLUST_OFF+2)#define DOS_MODIF_DATE_OFF	(DOS_MODIF_TIME_OFF+2)#define DOS_START_CLUST_OFF	(DOS_MODIF_DATE_OFF+2)#define DOS_FILE_SIZE_OFF	(DOS_START_CLUST_OFF+2)#define DOS_EXT_FILE_SIZE_OFF	NONE#define DOS_EXT_FILE_SIZE_LEN	NONE/* vxWorks proprietary long names' directory entry */#define DOS_VX_DIRENT_LEN	64#define DOS_VX_NAME_LEN		DOS_VX_LONG_NAME_LEN#define DOS_VX_EXT_LEN		0	/* (no extension) */#define DOS_VX_CREAT_TIME_OFF	(DOS_VX_NAME_LEN+DOS_VX_EXT_LEN)#define DOS_VX_CREAT_DATE_OFF	(DOS_VX_CREAT_TIME_OFF+2)#define DOS_VX_LAST_ACCESS_TIME_OFF	(DOS_VX_CREAT_DATE_OFF+2)#define DOS_VX_LAST_ACCESS_DATE_OFF	(DOS_VX_LAST_ACCESS_TIME_OFF+2)#define DOS_VX_EXT_START_CLUST_OFF	(DOS_VX_LAST_ACCESS_DATE_OFF+2)#define DOS_VX_EXT_FILE_SIZE_OFF	(DOS_VX_EXT_START_CLUST_OFF+2)#define DOS_VX_EXT_FILE_SIZE_LEN	2#define DOS_VX_RESERVED_LEN	1 /* 13 -4 cr t/d -4 acc t/d -2 st cl - */				  /* DOS_VX_EXT_FILE_SIZE_LEN */#define DOS_VX_ATTRIB_OFF	(DOS_VX_EXT_FILE_SIZE_OFF+	\				 DOS_VX_EXT_FILE_SIZE_LEN+	\				 DOS_VX_RESERVED_LEN)#define DOS_VX_MODIF_TIME_OFF	(DOS_VX_ATTRIB_OFF+1)#define DOS_VX_MODIF_DATE_OFF	(DOS_VX_MODIF_TIME_OFF+2)#define DOS_VX_START_CLUST_OFF	(DOS_VX_MODIF_DATE_OFF+2)#define DOS_VX_FILE_SIZE_OFF	(DOS_VX_START_CLUST_OFF+2)/* special values */#define ROOT_DIRENT	NULL	/* root directory does not */				/* have its own entry *//* special characters */#define LAST_DIRENT	EOS#define INVALID_CHAR	'|'#define ZERO_C          '0' #define TILDA		'~'#define DOS_DEL_MARK	0xe5	/* dir entry deleted marker *//* special function argument value */#define DH_VOL_LAB	(-1)/* macros */#define START_CLUST_DECODE( pVolDesc, pDeDesc, pDirEnt )		\	( DISK_TO_VX_16( (char *)(pDirEnt) +				\		         (pDeDesc)->startClustOff ) +			\    	  (((pVolDesc)->fatType == FAT32)?				\	   (DISK_TO_VX_16( (char *)(pDirEnt) +				\			   (pDeDesc)->extStartClustOff ) << 16) : 0) )#define START_CLUST_ENCODE( pDeDesc, clust, pDirEnt )			\	{								\	VX_TO_DISK_16( (clust),						\    		       (char *)(pDirEnt) + (pDeDesc)->startClustOff );	\	VX_TO_DISK_16( ((clust) >> 16),					\    		       (char *)(pDirEnt) +				\		       (pDeDesc)->extStartClustOff );			\	}#ifdef SIZE64	/* 64-bit file sizes,  defined in dosFsLibP.h */#define EXT_SIZE_DECODE( pDeDesc, pDirEnt )			\        ( (fsize_t)( DISK_TO_VX_32( (char *)(pDirEnt) +		\			            (pDeDesc)->extSizeOff ) &	\	             ( ~((UINT32)(-1)<<				\			 ((pDeDesc)->extSizeLen * 8)) ) ) << 32 )#define EXT_SIZE_ENCODE( pDeDesc, pDirEnt, size )		\	{							\    	UINT32 sa, sb = ((UINT32)(size>>32));			\    	VX_TO_DISK_32( sb, &sa );				\    	bcopy( (char *)&sa,					\		(char *)(pDirEnt) + (pDeDesc)->extSizeOff,	\		(pDeDesc)->extSizeLen );			\	}#else /* ! SIZE64 */#define EXT_SIZE_DECODE( pDeDesc, pDirEnt )		0#define EXT_SIZE_ENCODE( pDeDesc, pDirEnt, size )		\	bzero( (char *)(pDirEnt) + (pDeDesc)->extSizeOff,	\	       (pDeDesc)->extSizeLen );#endif /* SIZE64 *//* typedefs */typedef struct DIRENT_PTR       /* position of entry in directory */    {    u_int       deNum;  /* consecutive entry number in directory */    u_int       sector; /* directory entry sector */    off_t       offset; /* offset in sector */    } DIRENT_PTR;typedef DIRENT_PTR *	DIRENT_PTR_ID;typedef struct PATH_ARRAY	/* split path */    {    u_char *	pName;    u_short	nameLen;    } PATH_ARRAY;typedef PATH_ARRAY *	PATH_ARRAY_ID;typedef struct DIRENT_DESCR	/* details of directory entry */    {    u_char	dirEntSize,    		nameLen,    		extLen,    		atrribOff,    		creatTimeOff,    		creatDateOff,    		modifTimeOff,    		modifDateOff,    		accessTimeOff,    		accessDateOff,    		startClustOff,    		extStartClustOff, /* 2 most signif. bytes of */				  /* 32-bit FAT entry */    		sizeOff,    		extSizeOff,	/* n most signif. bytes of */				/* 64-bit file size */    		extSizeLen;	/* number of  most signif. bytes of */				/* 64-bit file size */    } DIRENT_DESCR;typedef DIRENT_DESCR *	DIRENT_DESCR_ID;typedef struct DOS_DIR_PDESCR	/* directory handler's part of */				/* volume descriptor */    {    DOS_DIR_DESC	dirDesc;	/* API functions */    u_char *		nameBuf;	/* VFAT long name buffer */    SEM_ID		bufSem;		/* shared buffers semaphore */    enum { STDDOS=0, VXLONG=1, VFAT=2 }			nameStyle;	/* name style */    DIRENT_DESCR	deDesc;	/* volume directory entry structure */        /* root directory descriptor */        UINT32	rootStartClust;	/* root directory start cluster number: */    				/* 0 for FAT12/FAT16; */    				/* some value for FAT32 */    u_int	rootMaxEntries;	/* max number of entries in root */    				/* value from boot sector for */    				/* FAT12/FAT16; 0xffffffff for FAT32 */    time_t	rootModifTime;	/* root directory last modification time */				/* ( last entry creation time ) */    } DOS_DIR_PDESCR;typedef DOS_DIR_PDESCR *	DOS_DIR_PDESCR_ID;#ifdef __cplusplus    }#endif#endif /* __INCdosDirLibP */