include/msdos.h

   1 /*
   2  * Copyright 1994 Erik Bos
   3  * Copyright 1999 Ove Kaaven
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #ifndef __WINE_MSDOS_H
  21 #define __WINE_MSDOS_H
  22
  23 #include <wine/windef16.h>
  24
  25 #include <pshpack1.h>
  26
  27 struct fcb {
  28         BYTE drive;
  29         char name[8];
  30         char extension[3];
  31         BYTE dummy1[4];
  32         int filesize;
  33         WORD date_write;
  34         WORD time_write;
  35         struct dosdirent *directory;
  36         BYTE dummy2[9];
  37 };
  38
  39 /* DTA layout for FindFirst/FindNext */
  40 typedef struct
  41 {
  42     BYTE   drive;        /* 00 drive letter */
  43     char   mask[11];     /* 01 search template */
  44     BYTE   search_attr;  /* 0c search attributes */
  45     WORD   count;        /* 0d entry count within directory */
  46     WORD   cluster;      /* 0f cluster of parent directory */
  47     char  *unixPath;     /* 11 unix path (was: reserved) */
  48     BYTE   fileattr;     /* 15 file attributes */
  49     WORD   filetime;     /* 16 file time */
  50     WORD   filedate;     /* 18 file date */
  51     DWORD  filesize;     /* 1a file size */
  52     char   filename[13]; /* 1e file name + extension */
  53 } FINDFILE_DTA;
  54
  55 /* FCB layout for FindFirstFCB/FindNextFCB */
  56 typedef struct
  57 {
  58     BYTE   drive;                /* 00 drive letter */
  59     char   filename[11];         /* 01 filename 8+3 format */
  60     int    count;                /* 0c entry count (was: reserved) */
  61     char  *unixPath;             /* 10 unix path (was: reserved) */
  62 } FINDFILE_FCB;
  63
  64 /* DOS directory entry for FindFirstFCB/FindNextFCB */
  65 typedef struct
  66 {
  67     char   filename[11];         /* 00 filename 8+3 format */
  68     BYTE   fileattr;             /* 0b file attributes */
  69     BYTE   reserved[10];         /* 0c reserved */
  70     WORD   filetime;             /* 16 file time */
  71     WORD   filedate;             /* 18 file date */
  72     WORD   cluster;              /* 1a file first cluster */
  73     DWORD  filesize;             /* 1c file size */
  74 } DOS_DIRENTRY_LAYOUT;
  75
  76 typedef struct
  77 {
  78     DWORD next_dev;
  79     WORD  attr;
  80     WORD  strategy;
  81     WORD  interrupt;
  82     char  name[8];
  83 } DOS_DEVICE_HEADER;
  84
  85 /* Warning: need to return LOL ptr w/ offset 0 (&ptr_first_DPB) to programs ! */
  86 typedef struct _DOS_LISTOFLISTS
  87 {
  88     WORD  CX_Int21_5e01;        /* -24d contents of CX from INT 21/AX=5E01h */
  89     WORD  LRU_count_FCB_cache;  /* -22d */
  90     WORD  LRU_count_FCB_open;   /* -20d */
  91     DWORD OEM_func_handler;     /* -18d OEM function of INT 21/AH=F8h */
  92     WORD  INT21_offset;         /* -14d offset in DOS CS of code to return from INT 21 call */
  93     WORD  sharing_retry_count;  /* -12d */
  94     WORD  sharing_retry_delay;  /* -10d */
  95     DWORD ptr_disk_buf;         /* -8d ptr to current disk buf */
  96     WORD  offs_unread_CON;      /* -4d pointer in DOS data segment of unread CON input */
  97     WORD  seg_first_MCB;        /* -2d */
  98     DWORD ptr_first_DPB;        /* 00 */
  99     DWORD ptr_first_SysFileTable; /* 04 */
 100     DWORD ptr_clock_dev_hdr;    /* 08 */
 101     DWORD ptr_CON_dev_hdr;      /* 0C */
 102     WORD  max_byte_per_sec;     /* 10 maximum bytes per sector of any block device */
 103     DWORD ptr_disk_buf_info;    /* 12 */
 104     DWORD ptr_array_CDS;        /* 16 current directory structure */
 105     DWORD ptr_sys_FCB;          /* 1A */
 106     WORD  nr_protect_FCB;       /* 1E */
 107     BYTE  nr_block_dev;         /* 20 */
 108     BYTE  nr_avail_drive_letters; /* 21 */
 109     DOS_DEVICE_HEADER NUL_dev;  /* 22 */
 110     BYTE  nr_drives_JOINed;     /* 34 */
 111     WORD  ptr_spec_prg_names;   /* 35 */
 112     DWORD ptr_SETVER_prg_list;  /* 37 */
 113     WORD DOS_HIGH_A20_func_offs;/* 3B */
 114     WORD PSP_last_exec;         /* 3D if DOS in HMA: PSP of program executed last; if DOS low: 0000h */
 115     WORD BUFFERS_val;           /* 3F */
 116     WORD BUFFERS_nr_lookahead;  /* 41 */
 117     BYTE boot_drive;            /* 43 */
 118     BYTE flag_DWORD_moves;      /* 44 01h for 386+, 00h otherwise */
 119     WORD size_extended_mem;     /* 45 size of extended mem in KB */
 120     SEGPTR wine_rm_lol;         /* -- wine: Real mode pointer to LOL */
 121     SEGPTR wine_pm_lol;         /* -- wine: Protected mode pointer to LOL */
 122 } DOS_LISTOFLISTS;
 123
 124 #include <poppack.h>
 125
 126 #define MAX_DOS_DRIVES  26
 127
 128 #define setword(a,b)    do { *(BYTE*)(a)          = (b) & 0xff; \
 129                              *((BYTE*)((a)+1)) = ((b)>>8) & 0xff;\
 130                         } while(0)
 131
 132
 133 /* dos file attributes */
 134
 135 #define FA_NORMAL    0x00        /* Normal file, no attributes */
 136 #define FA_RDONLY    0x01        /* Read only attribute */
 137 #define FA_HIDDEN    0x02        /* Hidden file */
 138 #define FA_SYSTEM    0x04        /* System file */
 139 #define FA_LABEL     0x08        /* Volume label */
 140 #define FA_DIRECTORY 0x10        /* Directory */
 141 #define FA_ARCHIVE   0x20        /* Archive */
 142 #define FA_UNUSED    0x40        /* Unused */
 143
 144 /* Error codes */
 145
 146 #define ER_NoError           0x00
 147 #define ER_InvalidFunction   0x01
 148 #define ER_FileNotFound      0x02
 149 #define ER_PathNotFound      0x03
 150 #define ER_TooManyOpenFiles  0x04
 151 #define ER_AccessDenied      0x05
 152 #define ER_InvalidHandle     0x06
 153 #define ER_MCBDestroyed      0x07
 154 #define ER_OutOfMemory       0x08
 155 #define ER_MCBInvalid        0x09
 156 #define ER_EnvironInvalid    0x0a
 157 #define ER_FormatInvalid     0x0b
 158 #define ER_AccessCodeInvalid 0x0c
 159 #define ER_DataInvalid       0x0d
 160 #define ER_InvalidDrive      0x0f
 161 #define ER_CanNotRemoveCwd   0x10
 162 #define ER_NotSameDevice     0x11
 163 #define ER_NoMoreFiles       0x12
 164 #define ER_WriteProtected    0x13
 165 #define ER_UnknownUnit       0x14
 166 #define ER_DriveNotReady     0x15
 167 #define ER_UnknownCommand    0x16
 168 #define ER_CRCError          0x17
 169 #define ER_BadRqLength       0x18
 170 #define ER_SeekError         0x19
 171 #define ER_UnknownMedia      0x1a
 172 #define ER_SectorNotFound    0x1b
 173 #define ER_OutOfPaper        0x1c
 174 #define ER_WriteFault        0x1d
 175 #define ER_ReadFault         0x1e
 176 #define ER_GeneralFailure    0x1f
 177 #define ER_ShareViolation    0x20
 178 #define ER_LockViolation     0x21
 179 #define ER_DiskFull          0x27
 180 #define ER_NoNetwork         0x49
 181 #define ER_FileExists        0x50
 182 #define ER_CanNotMakeDir     0x52
 183
 184 /* Error classes */
 185
 186 #define EC_OutOfResource     0x01
 187 #define EC_Temporary         0x02
 188 #define EC_AccessDenied      0x03
 189 #define EC_InternalError     0x04
 190 #define EC_HardwareFailure   0x05
 191 #define EC_SystemFailure     0x06
 192 #define EC_ProgramError      0x07
 193 #define EC_NotFound          0x08
 194 #define EC_MediaError        0x0b
 195 #define EC_Exists            0x0c
 196 #define EC_Unknown           0x0d
 197
 198 /* Suggested actions */
 199
 200 #define SA_Retry             0x01
 201 #define SA_DelayedRetry      0x02
 202 #define SA_Abort             0x04
 203 #define SA_Ignore            0x06
 204 #define SA_Ask4Retry         0x07
 205
 206 /* Error locus */
 207
 208 #define EL_Unknown           0x01
 209 #define EL_Disk              0x02
 210 #define EL_Network           0x03
 211 #define EL_Serial            0x04
 212 #define EL_Memory            0x05
 213
 214 #endif /* __WINE_MSDOS_H */