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/*
* dosdisk.h
*
* definitions & function prototype declarations for "dosdisk.c"
*/
#include "depend.h"
#include "typesize.h"
#include "dirent.h"
#if !MSDOS
#include <sys/param.h>
#endif
#define DOSDIRENT 32
#define SECTCACHESIZE 32
#define SECTSIZE {512, 1024, 256, 128, 2048, 4096}
#define STDSECTSIZE 512
#define SECTCACHEMEM (SECTCACHESIZE * STDSECTSIZE)
#define MINCLUST 2
#define MAX12BIT (0xff0 - MINCLUST)
#define DOSMAXPATHLEN 260
#define MAXFATMEM (512 * 9) /* FAT size of 3.5inch 2HD */
#define NOTINLFN "\\/:*?\"<>|"
#define NOTINALIAS "+,;=[]"
#define PACKINALIAS " ."
#define LFNENTSIZ 13
#define DOSMAXNAMLEN 255
#define INHIBITNAME {"CON ", "AUX ", "PRN ", \
"CLOCK$ ", "CONFIG$ ", "NUL "}
#define INHIBITCOM "COM"
#define INHIBITCOMMAX 9 /* Windows NT will avoid COM5-COM9 */
#define INHIBITLPT "LPT"
#define INHIBITLPTMAX 9 /* Windows will avoid LPT4-LPT9 */
#define MAXDRIVEENTRY 32
#define DOSFDOFFSET (1 << (8 * sizeof(int) - 2))
#ifdef NOFILE
#define DOSNOFILE NOFILE
#else
#define DOSNOFILE 64
#endif
#ifdef SYSVDIRENT
#define d_fileno d_ino
#endif
#if (defined (i386) || defined (__i386) || defined (__i386__)) \
&& (defined (SOLARIS) || defined (LINUX) \
|| defined (JCCBSD) || defined (FREEBSD) \
|| defined (NETBSD) || defined (BSDOS) || defined (BOW) \
|| defined (OPENBSD) || defined (MINIX) || defined (ORG_386BSD))
#define HDDMOUNT
#endif
typedef struct _bpb_t {
u_char jmpcode[3];
u_char makername[8];
u_char sectsize[2];
u_char clustsize;
u_char bootsect[2];
u_char nfat;
u_char maxdir[2];
u_char total[2];
u_char media;
u_char fatsize[2];
u_char secttrack[2];
u_char nhead[2];
u_char hidden[4];
u_char bigtotal[4];
u_char bigfatsize[4];
u_char exflags[2];
u_char filesys[2];
u_char rootdir[4];
u_char fsinfo[4];
u_char reserved[2];
char fsname[8];
} X_attr_packed bpb_t;
#define FS_FAT "FAT "
#define FS_FAT12 "FAT12 "
#define FS_FAT16 "FAT16 "
#define FS_FAT32 "FAT32 "
typedef struct _dent_t {
u_char name[8];
u_char ext[3];
u_char attr;
u_char reserved;
u_char checksum;
u_char ctime[2];
u_char cdate[2];
u_char adate[2];
u_char clust_h[2];
u_char time[2];
u_char date[2];
u_char clust[2];
u_char size[4];
} X_attr_packed dent_t;
#define DS_IRDONLY 001
#define DS_IHIDDEN 002
#define DS_IFSYSTEM 004
#define DS_IFLABEL 010
#define DS_IFLFN 017
#define DS_IFDIR 020
#define DS_IARCHIVE 040
typedef struct _cache_t {
char path[MAXPATHLEN];
dent_t dent;
long clust;
long offset;
} cache_t;
#if !MSDOS
typedef struct _devinfo {
u_char drive;
char *name;
u_char head;
u_short sect;
u_short cyl;
# ifdef HDDMOUNT
l_off_t offset;
# endif
} devinfo;
# ifdef DEP_DYNAMICLIST
typedef devinfo * fdtype_t;
typedef CONST devinfo origfdtype_t[];
# else
typedef devinfo fdtype_t[MAXDRIVEENTRY];
typedef devinfo * origfdtype_t;
# endif
#endif /* !MSDOS */
typedef struct _devstat {
u_char drive;
char *fatbuf; /* ch_name */
u_char clustsize; /* ch_head */
u_short sectsize; /* ch_sect */
u_short fatofs; /* ch_cyl */
#ifdef HDDMOUNT
l_off_t offset;
#endif
u_long fatsize;
u_long dirofs;
u_short dirsize;
u_long totalsize;
u_long availsize;
long rootdir;
#if !MSDOS
int fd;
#endif
int nlink;
u_char flags;
cache_t *dircache;
} devstat;
#define F_RONLY 0001
#define F_16BIT 0002
#define F_8SECT 0004
#define F_DUPL 0010
#define F_CACHE 0020
#define F_WRFAT 0040
#define F_LFN 0100
#define F_FAT32 0200
#define ch_name fatbuf
#define ch_head clustsize
#define ch_sect sectsize
#define ch_cyl fatofs
typedef struct _dosiobuf {
long _cnt;
char *_ptr;
char *_base;
long _bufsize;
short _flag;
int _file;
long _top;
long _next;
long _off;
off_t _loc;
off_t _size;
dent_t _dent;
long _clust;
long _offset;
} dosFILE;
#define O_IOEOF 020000
#define O_IOERR 040000
#define byte2word(p) ((p)[0] + ((u_short)(p)[1] << 8))
#define byte2dword(p) ((p)[0] + ((u_long)(p)[1] << 8) \
+ ((u_long)(p)[2] << 16) \
+ ((u_long)(p)[3] << 24))
#define dd2dentp(dd) (&(devlist[dd].dircache -> dent))
#define dd2path(dd) (devlist[dd].dircache -> path)
#define dd2clust(dd) (devlist[dd].dircache -> clust)
#define dd2offset(dd) (devlist[dd].dircache -> offset)
#define fd2devp(fd) (&(devlist[dosflist[fd]._file]))
#define fd2dentp(fd) (dd2dentp(dosflist[fd]._file))
#define fd2path(fd) (dd2path(dosflist[fd]._file))
#define fd2clust(fd) (dd2clust(dosflist[fd]._file))
#define fd2offset(fd) (dd2offset(dosflist[fd]._file))
#define dosfflag(p) (((dosFILE *)((VOID_P)(p))) -> _flag)
#define dosfeof(p) ((dosfflag(p) & O_IOEOF) != 0)
#define dosferror(p) ((dosfflag(p) & O_IOERR) != 0)
#define dosclearerr(p) (dosfflag(p) &= ~(O_IOERR | O_IOEOF))
typedef struct _dosdirdesc {
int dd_id;
int dd_fd;
long dd_loc;
long dd_size;
long dd_top;
long dd_off;
char *dd_buf;
} dosDIR;
#define DID_IFDOSDRIVE (-1)
#ifdef HDDMOUNT
typedef struct _partition_t {
u_char boot;
u_char s_head;
u_char s_sect;
u_char s_cyl;
u_char filesys;
u_char e_head;
u_char e_sect;
u_char e_cyl;
u_char f_sect[4];
u_char t_sect[4];
} X_attr_packed partition_t;
#define PART_SIZE ((int)sizeof(partition_t))
#define PART_TABLE 0x01be
#define PART_NUM 4
#define PTAT_FAT12 0x01
#define PTAT_FAT16 0x04
#define PTAT_EXTEND 0x05
#define PTAT_FAT16X 0x06
#define PTAT_NTFS 0x07
#define PTAT_FAT32 0x0b
#define PTAT_FAT32LBA 0x0c
#define PTAT_FAT16XLBA 0x0e
#define PTAT_EXTENDLBA 0x0f
#define PTAT_LINUX 0x83
#define PTAT_386BSD 0xa5
#define PTAT_OPENBSD 0xa6
#define PTAT_NETBSD 0xa9
typedef struct _partition98_t {
u_char boot;
u_char filesys;
u_char reserved[2];
u_char ipl_sect;
u_char ipl_head;
u_char ipl_cyl[2];
u_char s_sect;
u_char s_head;
u_char s_cyl[2];
u_char e_sect;
u_char e_head;
u_char e_cyl[2];
u_char name[16];
} X_attr_packed partition98_t;
#define PART98_SIZE ((int)sizeof(partition98_t))
#define PART98_TABLE 0x0200
#define PART98_NUM 16
#define PT98_FAT12 0x81 /* 0x80 | 0x01 */
#define PT98_FAT16 0x91 /* 0x80 | 0x11 */
#define PT98_FREEBSD 0x94 /* 0x80 | 0x14 */
#define PT98_FAT16X 0xa1 /* 0x80 | 0x21 */
#define PT98_NTFS 0xb1 /* 0x80 | 0x31 */
#define PT98_386BSD 0xc4 /* 0x80 | 0x44 */
#define PT98_FAT32 0xe1 /* 0x80 | 0x61 */
#define PT98_LINUX 0xe2 /* 0x80 | 0x62 */
#endif /* HDDMOUNT */
#ifdef NODRECLEN
#define wrap_reclen(dp) (*(u_short *)(dp))
#else
#define wrap_reclen(dp) ((dp) -> d_reclen)
#endif
#ifdef CYGWIN
/* Some versions of Cygwin have neither d_fileno nor d_ino */
struct dosdirent {
u_long d_fileno;
u_short d_reclen;
char d_name[MAXNAMLEN + 1];
};
typedef struct dosdirent st_dosdirent;
#else
#define dosdirent dirent
#define st_dosdirent st_dirent
#endif
#ifndef _NODOSDRIVE
#if MSDOS
extern int dependdosfunc;
#else /* !MSDOS */
extern fdtype_t fdtype;
extern int maxfdtype;
# if defined (DEP_DYNAMICLIST) || !defined (_NOCUSTOMIZE)
extern origfdtype_t origfdtype;
extern int origmaxfdtype;
# endif
#endif /* !MSDOS */
extern int lastdrive;
extern int needbavail;
extern VOID_T (*doswaitfunc)__P_((VOID_A));
extern int (*dosintrfunc)__P_((VOID_A));
#ifdef HDDMOUNT
extern l_off_t *readpt __P_((CONST char *, int));
#endif
extern int dosopendev __P_((int));
extern VOID dosclosedev __P_((int));
extern int flushdrv __P_((int, VOID_T (*)__P_((VOID_A))));
extern DIR *dosopendir __P_((CONST char *));
extern int dosclosedir __P_((DIR *));
extern struct dosdirent *dosreaddir __P_((DIR *));
extern int dosrewinddir __P_((DIR *));
extern int doschdir __P_((CONST char *));
extern char *dosgetcwd __P_((char *, int));
#if MSDOS
extern char *dosshortname __P_((CONST char *, char *));
extern char *doslongname __P_((CONST char *, char *));
#endif
extern int dosstatfs __P_((int, char *));
extern int dosstat __P_((CONST char *, struct stat *));
extern int doslstat __P_((CONST char *, struct stat *));
extern int dosaccess __P_((CONST char *, int));
#ifndef NOSYMLINK
extern int dossymlink __P_((CONST char *, CONST char *));
extern int dosreadlink __P_((CONST char *, char *, int));
#endif
extern int doschmod __P_((CONST char *, int));
extern int dosutimes __P_((CONST char *, CONST struct utimes_t *));
extern int dosunlink __P_((CONST char *));
extern int dosrename __P_((CONST char *, CONST char *));
extern int dosopen __P_((CONST char *, int, int));
extern int dosclose __P_((int));
extern int dosread __P_((int, char *, int));
extern int doswrite __P_((int, CONST char *, int));
extern off_t doslseek __P_((int, off_t, int));
extern int dosftruncate __P_((int, off_t));
extern int dosmkdir __P_((CONST char *, int));
extern int dosrmdir __P_((CONST char *));
extern int dosflushbuf __P_((int));
extern int dosallclose __P_((VOID_A));
#endif /* !_NODOSDRIVE */
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