1842 lines
53 KiB
C
1842 lines
53 KiB
C
/*
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* DOS drives handling functions
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*
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* Copyright 1993 Erik Bos
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* Copyright 1996 Alexandre Julliard
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*
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* Label & serial number read support.
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* (c) 1999 Petr Tomasek <tomasek@etf.cuni.cz>
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* (c) 2000 Andreas Mohr (changes)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <assert.h>
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#include <ctype.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <unistd.h>
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#ifdef HAVE_SYS_PARAM_H
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# include <sys/param.h>
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#endif
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#ifdef STATFS_DEFINED_BY_SYS_VFS
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# include <sys/vfs.h>
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#else
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# ifdef STATFS_DEFINED_BY_SYS_MOUNT
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# include <sys/mount.h>
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# else
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# ifdef STATFS_DEFINED_BY_SYS_STATFS
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# include <sys/statfs.h>
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# endif
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# endif
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#endif
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#include "winbase.h"
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#include "ntddk.h"
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#include "wine/winbase16.h" /* for GetCurrentTask */
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#include "winerror.h"
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#include "drive.h"
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#include "file.h"
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#include "heap.h"
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#include "msdos.h"
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#include "options.h"
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#include "task.h"
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#include "wine/debug.h"
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#include "wine/server.h"
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#include "winioctl.h"
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#include "ntddstor.h"
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#include "ntddcdrm.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dosfs);
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WINE_DECLARE_DEBUG_CHANNEL(file);
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typedef struct
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{
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char *root; /* root dir in Unix format without trailing / */
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char *dos_cwd; /* cwd in DOS format without leading or trailing \ */
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char *unix_cwd; /* cwd in Unix format without leading or trailing / */
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char *device; /* raw device path */
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char label_conf[12]; /* drive label as cfg'd in wine config */
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char label_read[12]; /* drive label as read from device */
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DWORD serial_conf; /* drive serial number as cfg'd in wine config */
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UINT type; /* drive type */
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UINT flags; /* drive flags */
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dev_t dev; /* unix device number */
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ino_t ino; /* unix inode number */
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} DOSDRIVE;
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static const char * const DRIVE_Types[] =
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{
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"", /* DRIVE_UNKNOWN */
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"", /* DRIVE_NO_ROOT_DIR */
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"floppy", /* DRIVE_REMOVABLE */
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"hd", /* DRIVE_FIXED */
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"network", /* DRIVE_REMOTE */
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"cdrom", /* DRIVE_CDROM */
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"ramdisk" /* DRIVE_RAMDISK */
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};
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/* Known filesystem types */
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typedef struct
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{
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const char *name;
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UINT flags;
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} FS_DESCR;
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static const FS_DESCR DRIVE_Filesystems[] =
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{
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{ "unix", DRIVE_CASE_SENSITIVE | DRIVE_CASE_PRESERVING },
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{ "msdos", DRIVE_SHORT_NAMES },
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{ "dos", DRIVE_SHORT_NAMES },
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{ "fat", DRIVE_SHORT_NAMES },
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{ "vfat", DRIVE_CASE_PRESERVING },
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{ "win95", DRIVE_CASE_PRESERVING },
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{ NULL, 0 }
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};
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static DOSDRIVE DOSDrives[MAX_DOS_DRIVES];
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static int DRIVE_CurDrive = -1;
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static HTASK16 DRIVE_LastTask = 0;
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/* strdup on the process heap */
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inline static char *heap_strdup( const char *str )
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{
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INT len = strlen(str) + 1;
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LPSTR p = HeapAlloc( GetProcessHeap(), 0, len );
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if (p) memcpy( p, str, len );
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return p;
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}
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/***********************************************************************
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* DRIVE_GetDriveType
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*/
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static UINT DRIVE_GetDriveType( const char *name )
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{
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char buffer[20];
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int i;
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PROFILE_GetWineIniString( name, "Type", "hd", buffer, sizeof(buffer) );
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for (i = 0; i < sizeof(DRIVE_Types)/sizeof(DRIVE_Types[0]); i++)
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{
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if (!strcasecmp( buffer, DRIVE_Types[i] )) return i;
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}
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MESSAGE("%s: unknown drive type '%s', defaulting to 'hd'.\n",
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name, buffer );
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return DRIVE_FIXED;
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}
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/***********************************************************************
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* DRIVE_GetFSFlags
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*/
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static UINT DRIVE_GetFSFlags( const char *name, const char *value )
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{
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const FS_DESCR *descr;
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for (descr = DRIVE_Filesystems; descr->name; descr++)
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if (!strcasecmp( value, descr->name )) return descr->flags;
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MESSAGE("%s: unknown filesystem type '%s', defaulting to 'win95'.\n",
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name, value );
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return DRIVE_CASE_PRESERVING;
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}
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/***********************************************************************
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* DRIVE_Init
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*/
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int DRIVE_Init(void)
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{
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int i, len, count = 0;
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char name[] = "Drive A";
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char drive_env[] = "=A:";
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char path[MAX_PATHNAME_LEN];
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char buffer[80];
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struct stat drive_stat_buffer;
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char *p;
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DOSDRIVE *drive;
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for (i = 0, drive = DOSDrives; i < MAX_DOS_DRIVES; i++, name[6]++, drive++)
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{
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PROFILE_GetWineIniString( name, "Path", "", path, sizeof(path)-1 );
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if (path[0])
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{
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p = path + strlen(path) - 1;
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while ((p > path) && (*p == '/')) *p-- = '\0';
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if (path[0] == '/')
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{
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drive->root = heap_strdup( path );
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}
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else
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{
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/* relative paths are relative to config dir */
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const char *config = get_config_dir();
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drive->root = HeapAlloc( GetProcessHeap(), 0, strlen(config) + strlen(path) + 2 );
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sprintf( drive->root, "%s/%s", config, path );
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}
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if (stat( drive->root, &drive_stat_buffer ))
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{
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MESSAGE("Could not stat %s (%s), ignoring drive %c:\n",
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drive->root, strerror(errno), 'A' + i);
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HeapFree( GetProcessHeap(), 0, drive->root );
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drive->root = NULL;
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continue;
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}
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if (!S_ISDIR(drive_stat_buffer.st_mode))
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{
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MESSAGE("%s is not a directory, ignoring drive %c:\n",
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drive->root, 'A' + i );
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HeapFree( GetProcessHeap(), 0, drive->root );
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drive->root = NULL;
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continue;
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}
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drive->dos_cwd = heap_strdup( "" );
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drive->unix_cwd = heap_strdup( "" );
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drive->type = DRIVE_GetDriveType( name );
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drive->device = NULL;
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drive->flags = 0;
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drive->dev = drive_stat_buffer.st_dev;
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drive->ino = drive_stat_buffer.st_ino;
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/* Get the drive label */
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PROFILE_GetWineIniString( name, "Label", "", drive->label_conf, 12 );
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if ((len = strlen(drive->label_conf)) < 11)
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{
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/* Pad label with spaces */
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memset( drive->label_conf + len, ' ', 11 - len );
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drive->label_conf[11] = '\0';
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}
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/* Get the serial number */
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PROFILE_GetWineIniString( name, "Serial", "12345678",
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buffer, sizeof(buffer) );
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drive->serial_conf = strtoul( buffer, NULL, 16 );
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/* Get the filesystem type */
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PROFILE_GetWineIniString( name, "Filesystem", "win95",
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buffer, sizeof(buffer) );
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drive->flags = DRIVE_GetFSFlags( name, buffer );
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/* Get the device */
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PROFILE_GetWineIniString( name, "Device", "",
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buffer, sizeof(buffer) );
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if (buffer[0])
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{
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drive->device = heap_strdup( buffer );
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if (PROFILE_GetWineIniBool( name, "ReadVolInfo", 1))
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drive->flags |= DRIVE_READ_VOL_INFO;
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}
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/* Get the FailReadOnly flag */
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if (PROFILE_GetWineIniBool( name, "FailReadOnly", 0 ))
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drive->flags |= DRIVE_FAIL_READ_ONLY;
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/* Make the first hard disk the current drive */
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if ((DRIVE_CurDrive == -1) && (drive->type == DRIVE_FIXED))
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DRIVE_CurDrive = i;
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count++;
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TRACE("%s: path=%s type=%s label='%s' serial=%08lx "
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"flags=%08x dev=%x ino=%x\n",
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name, drive->root, DRIVE_Types[drive->type],
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drive->label_conf, drive->serial_conf, drive->flags,
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(int)drive->dev, (int)drive->ino );
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}
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else WARN("%s: not defined\n", name );
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}
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if (!count)
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{
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MESSAGE("Warning: no valid DOS drive found, check your configuration file.\n" );
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/* Create a C drive pointing to Unix root dir */
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DOSDrives[2].root = heap_strdup( "/" );
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DOSDrives[2].dos_cwd = heap_strdup( "" );
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DOSDrives[2].unix_cwd = heap_strdup( "" );
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strcpy( DOSDrives[2].label_conf, "Drive C " );
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DOSDrives[2].serial_conf = 12345678;
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DOSDrives[2].type = DRIVE_FIXED;
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DOSDrives[2].device = NULL;
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DOSDrives[2].flags = 0;
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DRIVE_CurDrive = 2;
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}
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/* Make sure the current drive is valid */
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if (DRIVE_CurDrive == -1)
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{
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for (i = 0, drive = DOSDrives; i < MAX_DOS_DRIVES; i++, drive++)
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{
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if (drive->root && !(drive->flags & DRIVE_DISABLED))
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{
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DRIVE_CurDrive = i;
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break;
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}
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}
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}
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/* get current working directory info for all drives */
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for (i = 0; i < MAX_DOS_DRIVES; i++, drive_env[1]++)
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{
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if (!GetEnvironmentVariableA(drive_env, path, sizeof(path))) continue;
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/* sanity check */
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if (toupper(path[0]) != drive_env[1] || path[1] != ':') continue;
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DRIVE_Chdir( i, path + 2 );
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}
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return 1;
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}
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/***********************************************************************
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* DRIVE_IsValid
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*/
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int DRIVE_IsValid( int drive )
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{
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if ((drive < 0) || (drive >= MAX_DOS_DRIVES)) return 0;
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return (DOSDrives[drive].root &&
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!(DOSDrives[drive].flags & DRIVE_DISABLED));
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}
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/***********************************************************************
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* DRIVE_GetCurrentDrive
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*/
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int DRIVE_GetCurrentDrive(void)
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{
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TDB *pTask = TASK_GetCurrent();
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if (pTask && (pTask->curdrive & 0x80)) return pTask->curdrive & ~0x80;
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return DRIVE_CurDrive;
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}
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/***********************************************************************
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* DRIVE_SetCurrentDrive
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*/
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int DRIVE_SetCurrentDrive( int drive )
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{
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TDB *pTask = TASK_GetCurrent();
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if (!DRIVE_IsValid( drive ))
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{
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SetLastError( ERROR_INVALID_DRIVE );
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return 0;
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}
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TRACE("%c:\n", 'A' + drive );
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DRIVE_CurDrive = drive;
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if (pTask) pTask->curdrive = drive | 0x80;
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chdir(DRIVE_GetUnixCwd(drive));
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return 1;
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}
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/***********************************************************************
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* DRIVE_FindDriveRoot
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*
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* Find a drive for which the root matches the beginning of the given path.
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* This can be used to translate a Unix path into a drive + DOS path.
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* Return value is the drive, or -1 on error. On success, path is modified
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* to point to the beginning of the DOS path.
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*/
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int DRIVE_FindDriveRoot( const char **path )
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{
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/* idea: check at all '/' positions.
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* If the device and inode of that path is identical with the
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* device and inode of the current drive then we found a solution.
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* If there is another drive pointing to a deeper position in
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* the file tree, we want to find that one, not the earlier solution.
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*/
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int drive, rootdrive = -1;
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char buffer[MAX_PATHNAME_LEN];
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char *next = buffer;
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const char *p = *path;
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struct stat st;
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strcpy( buffer, "/" );
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for (;;)
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{
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if (stat( buffer, &st ) || !S_ISDIR( st.st_mode )) break;
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/* Find the drive */
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for (drive = 0; drive < MAX_DOS_DRIVES; drive++)
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{
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if (!DOSDrives[drive].root ||
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(DOSDrives[drive].flags & DRIVE_DISABLED)) continue;
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if ((DOSDrives[drive].dev == st.st_dev) &&
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(DOSDrives[drive].ino == st.st_ino))
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{
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rootdrive = drive;
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*path = p;
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break;
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}
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}
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/* Get the next path component */
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*next++ = '/';
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while ((*p == '/') || (*p == '\\')) p++;
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if (!*p) break;
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while (!IS_END_OF_NAME(*p)) *next++ = *p++;
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*next = 0;
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}
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*next = 0;
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if (rootdrive != -1)
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TRACE("%s -> drive %c:, root='%s', name='%s'\n",
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buffer, 'A' + rootdrive, DOSDrives[rootdrive].root, *path );
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return rootdrive;
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}
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/***********************************************************************
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* DRIVE_GetRoot
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*/
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const char * DRIVE_GetRoot( int drive )
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{
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if (!DRIVE_IsValid( drive )) return NULL;
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return DOSDrives[drive].root;
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}
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/***********************************************************************
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* DRIVE_GetDosCwd
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*/
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const char * DRIVE_GetDosCwd( int drive )
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{
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TDB *pTask = TASK_GetCurrent();
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if (!DRIVE_IsValid( drive )) return NULL;
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/* Check if we need to change the directory to the new task. */
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if (pTask && (pTask->curdrive & 0x80) && /* The task drive is valid */
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((pTask->curdrive & ~0x80) == drive) && /* and it's the one we want */
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(DRIVE_LastTask != GetCurrentTask())) /* and the task changed */
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{
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/* Perform the task-switch */
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if (!DRIVE_Chdir( drive, pTask->curdir )) DRIVE_Chdir( drive, "\\" );
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DRIVE_LastTask = GetCurrentTask();
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}
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return DOSDrives[drive].dos_cwd;
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}
|
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|
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/***********************************************************************
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* DRIVE_GetUnixCwd
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*/
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const char * DRIVE_GetUnixCwd( int drive )
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{
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TDB *pTask = TASK_GetCurrent();
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if (!DRIVE_IsValid( drive )) return NULL;
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/* Check if we need to change the directory to the new task. */
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if (pTask && (pTask->curdrive & 0x80) && /* The task drive is valid */
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((pTask->curdrive & ~0x80) == drive) && /* and it's the one we want */
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(DRIVE_LastTask != GetCurrentTask())) /* and the task changed */
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{
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/* Perform the task-switch */
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if (!DRIVE_Chdir( drive, pTask->curdir )) DRIVE_Chdir( drive, "\\" );
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DRIVE_LastTask = GetCurrentTask();
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}
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return DOSDrives[drive].unix_cwd;
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}
|
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|
|
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/***********************************************************************
|
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* DRIVE_GetDevice
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*/
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const char * DRIVE_GetDevice( int drive )
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{
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return (DRIVE_IsValid( drive )) ? DOSDrives[drive].device : NULL;
|
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}
|
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|
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/******************************************************************
|
|
* static WORD CDROM_Data_FindBestVoldesc
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*
|
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*
|
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*/
|
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static WORD CDROM_Data_FindBestVoldesc(int fd)
|
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{
|
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BYTE cur_vd_type, max_vd_type = 0;
|
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unsigned int offs, best_offs = 0, extra_offs = 0;
|
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char sig[3];
|
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for (offs = 0x8000; offs <= 0x9800; offs += 0x800)
|
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{
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/* if 'CDROM' occurs at position 8, this is a pre-iso9660 cd, and
|
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* the volume label is displaced forward by 8
|
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*/
|
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lseek(fd, offs + 11, SEEK_SET); /* check for non-ISO9660 signature */
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read(fd, &sig, 3);
|
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if ((sig[0] == 'R') && (sig[1] == 'O') && (sig[2]=='M'))
|
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{
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extra_offs = 8;
|
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}
|
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lseek(fd, offs + extra_offs, SEEK_SET);
|
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read(fd, &cur_vd_type, 1);
|
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if (cur_vd_type == 0xff) /* voldesc set terminator */
|
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break;
|
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if (cur_vd_type > max_vd_type)
|
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{
|
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max_vd_type = cur_vd_type;
|
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best_offs = offs + extra_offs;
|
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}
|
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}
|
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return best_offs;
|
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}
|
|
|
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/***********************************************************************
|
|
* DRIVE_ReadSuperblock
|
|
*
|
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* NOTE
|
|
* DRIVE_SetLabel and DRIVE_SetSerialNumber use this in order
|
|
* to check, that they are writing on a FAT filesystem !
|
|
*/
|
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int DRIVE_ReadSuperblock (int drive, char * buff)
|
|
{
|
|
#define DRIVE_SUPER 96
|
|
int fd;
|
|
off_t offs;
|
|
int ret = 0;
|
|
|
|
if (memset(buff,0,DRIVE_SUPER)!=buff) return -1;
|
|
if ((fd=open(DOSDrives[drive].device,O_RDONLY)) == -1)
|
|
{
|
|
struct stat st;
|
|
if (!DOSDrives[drive].device)
|
|
ERR("No device configured for drive %c: !\n", 'A'+drive);
|
|
else
|
|
ERR("Couldn't open device '%s' for drive %c: ! (%s)\n", DOSDrives[drive].device, 'A'+drive,
|
|
(stat(DOSDrives[drive].device, &st)) ?
|
|
"not available or symlink not valid ?" : "no permission");
|
|
ERR("Can't read drive volume info ! Either pre-set it or make sure the device to read it from is accessible !\n");
|
|
PROFILE_UsageWineIni();
|
|
return -1;
|
|
}
|
|
|
|
switch(DOSDrives[drive].type)
|
|
{
|
|
case DRIVE_REMOVABLE:
|
|
case DRIVE_FIXED:
|
|
offs = 0;
|
|
break;
|
|
case DRIVE_CDROM:
|
|
offs = CDROM_Data_FindBestVoldesc(fd);
|
|
break;
|
|
default:
|
|
offs = 0;
|
|
break;
|
|
}
|
|
|
|
if ((offs) && (lseek(fd,offs,SEEK_SET)!=offs))
|
|
{
|
|
ret = -4;
|
|
goto the_end;
|
|
}
|
|
if (read(fd,buff,DRIVE_SUPER)!=DRIVE_SUPER)
|
|
{
|
|
ret = -2;
|
|
goto the_end;
|
|
}
|
|
|
|
switch(DOSDrives[drive].type)
|
|
{
|
|
case DRIVE_REMOVABLE:
|
|
case DRIVE_FIXED:
|
|
if ((buff[0x26]!=0x29) || /* Check for FAT present */
|
|
/* FIXME: do really all FAT have their name beginning with
|
|
"FAT" ? (At least FAT12, FAT16 and FAT32 have :) */
|
|
memcmp( buff+0x36,"FAT",3))
|
|
{
|
|
ERR("The filesystem is not FAT !! (device=%s)\n",
|
|
DOSDrives[drive].device);
|
|
ret = -3;
|
|
goto the_end;
|
|
}
|
|
break;
|
|
case DRIVE_CDROM:
|
|
if (strncmp(&buff[1],"CD001",5)) /* Check for iso9660 present */
|
|
{
|
|
ret = -3;
|
|
goto the_end;
|
|
}
|
|
/* FIXME: do we need to check for "CDROM", too ? (high sierra) */
|
|
break;
|
|
default:
|
|
ret = -3;
|
|
goto the_end;
|
|
}
|
|
|
|
return close(fd);
|
|
the_end:
|
|
close(fd);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DRIVE_WriteSuperblockEntry
|
|
*
|
|
* NOTE
|
|
* We are writing as little as possible (ie. not the whole SuperBlock)
|
|
* not to interfere with kernel. The drive can be mounted !
|
|
*/
|
|
int DRIVE_WriteSuperblockEntry (int drive, off_t ofs, size_t len, char * buff)
|
|
{
|
|
int fd;
|
|
|
|
if ((fd=open(DOSDrives[drive].device,O_WRONLY))==-1)
|
|
{
|
|
ERR("Cannot open the device %s (for writing)\n",
|
|
DOSDrives[drive].device);
|
|
return -1;
|
|
}
|
|
if (lseek(fd,ofs,SEEK_SET)!=ofs)
|
|
{
|
|
ERR("lseek failed on device %s !\n",
|
|
DOSDrives[drive].device);
|
|
close(fd);
|
|
return -2;
|
|
}
|
|
if (write(fd,buff,len)!=len)
|
|
{
|
|
close(fd);
|
|
ERR("Cannot write on %s !\n",
|
|
DOSDrives[drive].device);
|
|
return -3;
|
|
}
|
|
return close (fd);
|
|
}
|
|
|
|
/******************************************************************
|
|
* static HANDLE CDROM_Open
|
|
*
|
|
*
|
|
*/
|
|
static HANDLE CDROM_Open(int drive)
|
|
{
|
|
char root[6];
|
|
|
|
strcpy(root, "\\\\.\\A:");
|
|
root[4] += drive;
|
|
|
|
return CreateFileA(root, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* CDROM_Data_GetLabel [internal]
|
|
*/
|
|
DWORD CDROM_Data_GetLabel(int drive, char *label)
|
|
{
|
|
#define LABEL_LEN 32+1
|
|
int dev = open(DOSDrives[drive].device, O_RDONLY|O_NONBLOCK);
|
|
WORD offs = CDROM_Data_FindBestVoldesc(dev);
|
|
WCHAR label_read[LABEL_LEN]; /* Unicode possible, too */
|
|
DWORD unicode_id = 0;
|
|
|
|
if (offs)
|
|
{
|
|
if ((lseek(dev, offs+0x58, SEEK_SET) == offs+0x58)
|
|
&& (read(dev, &unicode_id, 3) == 3))
|
|
{
|
|
int ver = (unicode_id & 0xff0000) >> 16;
|
|
|
|
if ((lseek(dev, offs+0x28, SEEK_SET) != offs+0x28)
|
|
|| (read(dev, &label_read, LABEL_LEN) != LABEL_LEN))
|
|
goto failure;
|
|
|
|
close(dev);
|
|
if ((LOWORD(unicode_id) == 0x2f25) /* Unicode ID */
|
|
&& ((ver == 0x40) || (ver == 0x43) || (ver == 0x45)))
|
|
{ /* yippee, unicode */
|
|
int i;
|
|
WORD ch;
|
|
for (i=0; i<LABEL_LEN;i++)
|
|
{ /* Motorola -> Intel Unicode conversion :-\ */
|
|
ch = label_read[i];
|
|
label_read[i] = (ch << 8) | (ch >> 8);
|
|
}
|
|
WideCharToMultiByte( CP_ACP, 0, label_read, -1, label, 12, NULL, NULL );
|
|
label[11] = 0;
|
|
}
|
|
else
|
|
{
|
|
strncpy(label, (LPSTR)label_read, 11);
|
|
label[11] = '\0';
|
|
}
|
|
return 1;
|
|
}
|
|
}
|
|
failure:
|
|
close(dev);
|
|
ERR("error reading label !\n");
|
|
return 0;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* CDROM_GetLabel [internal]
|
|
*/
|
|
static DWORD CDROM_GetLabel(int drive, char *label)
|
|
{
|
|
HANDLE h = CDROM_Open(drive);
|
|
CDROM_DISK_DATA cdd;
|
|
DWORD br;
|
|
DWORD ret = 1;
|
|
|
|
if (!h || !DeviceIoControl(h, IOCTL_CDROM_DISK_TYPE, NULL, 0, &cdd, sizeof(cdd), &br, 0))
|
|
return 0;
|
|
|
|
switch (cdd.DiskData & 0x03)
|
|
{
|
|
case CDROM_DISK_DATA_TRACK:
|
|
if (!CDROM_Data_GetLabel(drive, label))
|
|
ret = 0;
|
|
break;
|
|
case CDROM_DISK_AUDIO_TRACK:
|
|
strcpy(label, "Audio CD ");
|
|
break;
|
|
case CDROM_DISK_DATA_TRACK|CDROM_DISK_AUDIO_TRACK:
|
|
FIXME("Need to get the label of a mixed mode CD: not implemented yet !\n");
|
|
/* fall through */
|
|
case 0:
|
|
ret = 0;
|
|
break;
|
|
}
|
|
TRACE("CD: label is '%s'.\n", label);
|
|
|
|
return ret;
|
|
}
|
|
/***********************************************************************
|
|
* DRIVE_GetLabel
|
|
*/
|
|
const char * DRIVE_GetLabel( int drive )
|
|
{
|
|
int read = 0;
|
|
char buff[DRIVE_SUPER];
|
|
int offs = -1;
|
|
|
|
if (!DRIVE_IsValid( drive )) return NULL;
|
|
if (DOSDrives[drive].type == DRIVE_CDROM)
|
|
{
|
|
read = CDROM_GetLabel(drive, DOSDrives[drive].label_read);
|
|
}
|
|
else
|
|
if (DOSDrives[drive].flags & DRIVE_READ_VOL_INFO)
|
|
{
|
|
if (DRIVE_ReadSuperblock(drive,(char *) buff))
|
|
ERR("Invalid or unreadable superblock on %s (%c:).\n",
|
|
DOSDrives[drive].device, (char)(drive+'A'));
|
|
else {
|
|
if (DOSDrives[drive].type == DRIVE_REMOVABLE ||
|
|
DOSDrives[drive].type == DRIVE_FIXED)
|
|
offs = 0x2b;
|
|
|
|
/* FIXME: ISO9660 uses a 32 bytes long label. Should we do also? */
|
|
if (offs != -1) memcpy(DOSDrives[drive].label_read,buff+offs,11);
|
|
DOSDrives[drive].label_read[11]='\0';
|
|
read = 1;
|
|
}
|
|
}
|
|
|
|
return (read) ?
|
|
DOSDrives[drive].label_read : DOSDrives[drive].label_conf;
|
|
}
|
|
|
|
#define CDFRAMES_PERSEC 75
|
|
#define CDFRAMES_PERMIN (CDFRAMES_PERSEC * 60)
|
|
#define FRAME_OF_ADDR(a) ((a)[0] * CDFRAMES_PERMIN + (a)[1] * CDFRAMES_PERSEC + (a)[2])
|
|
#define FRAME_OF_TOC(toc, idx) FRAME_OF_ADDR((toc).TrackData[idx - (toc).FirstTrack].Address)
|
|
|
|
/**************************************************************************
|
|
* CDROM_Audio_GetSerial [internal]
|
|
*/
|
|
static DWORD CDROM_Audio_GetSerial(HANDLE h)
|
|
{
|
|
unsigned long serial = 0;
|
|
int i;
|
|
WORD wMagic;
|
|
DWORD dwStart, dwEnd, br;
|
|
CDROM_TOC toc;
|
|
|
|
if (!DeviceIoControl(h, IOCTL_CDROM_READ_TOC, NULL, 0, &toc, sizeof(toc), &br, 0))
|
|
return 0;
|
|
|
|
/*
|
|
* wMagic collects the wFrames from track 1
|
|
* dwStart, dwEnd collect the beginning and end of the disc respectively, in
|
|
* frames.
|
|
* There it is collected for correcting the serial when there are less than
|
|
* 3 tracks.
|
|
*/
|
|
wMagic = toc.TrackData[0].Address[2];
|
|
dwStart = FRAME_OF_TOC(toc, toc.FirstTrack);
|
|
|
|
for (i = 0; i <= toc.LastTrack - toc.FirstTrack; i++) {
|
|
serial += (toc.TrackData[i].Address[0] << 16) |
|
|
(toc.TrackData[i].Address[1] << 8) | toc.TrackData[i].Address[2];
|
|
}
|
|
dwEnd = FRAME_OF_TOC(toc, toc.LastTrack + 1);
|
|
|
|
if (toc.LastTrack - toc.FirstTrack + 1 < 3)
|
|
serial += wMagic + (dwEnd - dwStart);
|
|
|
|
return serial;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* CDROM_Data_GetSerial [internal]
|
|
*/
|
|
static DWORD CDROM_Data_GetSerial(int drive)
|
|
{
|
|
int dev = open(DOSDrives[drive].device, O_RDONLY|O_NONBLOCK);
|
|
WORD offs;
|
|
union {
|
|
unsigned long val;
|
|
unsigned char p[4];
|
|
} serial;
|
|
BYTE b0 = 0, b1 = 1, b2 = 2, b3 = 3;
|
|
|
|
|
|
if (dev == -1) return 0;
|
|
offs = CDROM_Data_FindBestVoldesc(dev);
|
|
|
|
serial.val = 0;
|
|
if (offs)
|
|
{
|
|
BYTE buf[2048];
|
|
OSVERSIONINFOA ovi;
|
|
int i;
|
|
|
|
lseek(dev, offs, SEEK_SET);
|
|
read(dev, buf, 2048);
|
|
/*
|
|
* OK, another braindead one... argh. Just believe it.
|
|
* Me$$ysoft chose to reverse the serial number in NT4/W2K.
|
|
* It's true and nobody will ever be able to change it.
|
|
*/
|
|
ovi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
|
|
GetVersionExA(&ovi);
|
|
if ((ovi.dwPlatformId == VER_PLATFORM_WIN32_NT) && (ovi.dwMajorVersion >= 4))
|
|
{
|
|
b0 = 3; b1 = 2; b2 = 1; b3 = 0;
|
|
}
|
|
for (i = 0; i < 2048; i += 4)
|
|
{
|
|
/* DON'T optimize this into DWORD !! (breaks overflow) */
|
|
serial.p[b0] += buf[i+b0];
|
|
serial.p[b1] += buf[i+b1];
|
|
serial.p[b2] += buf[i+b2];
|
|
serial.p[b3] += buf[i+b3];
|
|
}
|
|
}
|
|
close(dev);
|
|
return serial.val;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* CDROM_GetSerial [internal]
|
|
*/
|
|
static DWORD CDROM_GetSerial(int drive)
|
|
{
|
|
DWORD serial = 0;
|
|
HANDLE h = CDROM_Open(drive);
|
|
CDROM_DISK_DATA cdd;
|
|
DWORD br;
|
|
|
|
if (!h || ! !DeviceIoControl(h, IOCTL_CDROM_DISK_TYPE, NULL, 0, &cdd, sizeof(cdd), &br, 0))
|
|
return 0;
|
|
|
|
switch (cdd.DiskData & 0x03)
|
|
{
|
|
case CDROM_DISK_DATA_TRACK:
|
|
/* hopefully a data CD */
|
|
serial = CDROM_Data_GetSerial(drive);
|
|
break;
|
|
case CDROM_DISK_AUDIO_TRACK:
|
|
/* fall thru */
|
|
case CDROM_DISK_DATA_TRACK|CDROM_DISK_AUDIO_TRACK:
|
|
serial = CDROM_Audio_GetSerial(h);
|
|
break;
|
|
case 0:
|
|
break;
|
|
}
|
|
|
|
if (serial)
|
|
TRACE("CD serial number is %04x-%04x.\n", HIWORD(serial), LOWORD(serial));
|
|
|
|
CloseHandle(h);
|
|
|
|
return serial;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DRIVE_GetSerialNumber
|
|
*/
|
|
DWORD DRIVE_GetSerialNumber( int drive )
|
|
{
|
|
DWORD serial = 0;
|
|
char buff[DRIVE_SUPER];
|
|
|
|
if (!DRIVE_IsValid( drive )) return 0;
|
|
|
|
if (DOSDrives[drive].flags & DRIVE_READ_VOL_INFO)
|
|
{
|
|
switch(DOSDrives[drive].type)
|
|
{
|
|
case DRIVE_REMOVABLE:
|
|
case DRIVE_FIXED:
|
|
if (DRIVE_ReadSuperblock(drive,(char *) buff))
|
|
MESSAGE("Invalid or unreadable superblock on %s (%c:)."
|
|
" Maybe not FAT?\n" ,
|
|
DOSDrives[drive].device, 'A'+drive);
|
|
else
|
|
serial = *((DWORD*)(buff+0x27));
|
|
break;
|
|
case DRIVE_CDROM:
|
|
serial = CDROM_GetSerial(drive);
|
|
break;
|
|
default:
|
|
FIXME("Serial number reading from file system on drive %c: not supported yet.\n", drive+'A');
|
|
}
|
|
}
|
|
|
|
return (serial) ? serial : DOSDrives[drive].serial_conf;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DRIVE_SetSerialNumber
|
|
*/
|
|
int DRIVE_SetSerialNumber( int drive, DWORD serial )
|
|
{
|
|
char buff[DRIVE_SUPER];
|
|
|
|
if (!DRIVE_IsValid( drive )) return 0;
|
|
|
|
if (DOSDrives[drive].flags & DRIVE_READ_VOL_INFO)
|
|
{
|
|
if ((DOSDrives[drive].type != DRIVE_REMOVABLE) &&
|
|
(DOSDrives[drive].type != DRIVE_FIXED)) return 0;
|
|
/* check, if the drive has a FAT filesystem */
|
|
if (DRIVE_ReadSuperblock(drive, buff)) return 0;
|
|
if (DRIVE_WriteSuperblockEntry(drive, 0x27, 4, (char *) &serial)) return 0;
|
|
return 1;
|
|
}
|
|
|
|
if (DOSDrives[drive].type == DRIVE_CDROM) return 0;
|
|
DOSDrives[drive].serial_conf = serial;
|
|
return 1;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DRIVE_GetType
|
|
*/
|
|
static UINT DRIVE_GetType( int drive )
|
|
{
|
|
if (!DRIVE_IsValid( drive )) return DRIVE_UNKNOWN;
|
|
return DOSDrives[drive].type;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DRIVE_GetFlags
|
|
*/
|
|
UINT DRIVE_GetFlags( int drive )
|
|
{
|
|
if ((drive < 0) || (drive >= MAX_DOS_DRIVES)) return 0;
|
|
return DOSDrives[drive].flags;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DRIVE_Chdir
|
|
*/
|
|
int DRIVE_Chdir( int drive, const char *path )
|
|
{
|
|
DOS_FULL_NAME full_name;
|
|
char buffer[MAX_PATHNAME_LEN];
|
|
LPSTR unix_cwd;
|
|
BY_HANDLE_FILE_INFORMATION info;
|
|
TDB *pTask = TASK_GetCurrent();
|
|
|
|
strcpy( buffer, "A:" );
|
|
buffer[0] += drive;
|
|
TRACE("(%s,%s)\n", buffer, path );
|
|
lstrcpynA( buffer + 2, path, sizeof(buffer) - 2 );
|
|
|
|
if (!DOSFS_GetFullName( buffer, TRUE, &full_name )) return 0;
|
|
if (!FILE_Stat( full_name.long_name, &info )) return 0;
|
|
if (!(info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
|
|
{
|
|
SetLastError( ERROR_FILE_NOT_FOUND );
|
|
return 0;
|
|
}
|
|
unix_cwd = full_name.long_name + strlen( DOSDrives[drive].root );
|
|
while (*unix_cwd == '/') unix_cwd++;
|
|
|
|
TRACE("(%c:): unix_cwd=%s dos_cwd=%s\n",
|
|
'A' + drive, unix_cwd, full_name.short_name + 3 );
|
|
|
|
HeapFree( GetProcessHeap(), 0, DOSDrives[drive].dos_cwd );
|
|
HeapFree( GetProcessHeap(), 0, DOSDrives[drive].unix_cwd );
|
|
DOSDrives[drive].dos_cwd = heap_strdup( full_name.short_name + 3 );
|
|
DOSDrives[drive].unix_cwd = heap_strdup( unix_cwd );
|
|
|
|
if (pTask && (pTask->curdrive & 0x80) &&
|
|
((pTask->curdrive & ~0x80) == drive))
|
|
{
|
|
lstrcpynA( pTask->curdir, full_name.short_name + 2,
|
|
sizeof(pTask->curdir) );
|
|
DRIVE_LastTask = GetCurrentTask();
|
|
chdir(unix_cwd); /* Only change if on current drive */
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DRIVE_Disable
|
|
*/
|
|
int DRIVE_Disable( int drive )
|
|
{
|
|
if ((drive < 0) || (drive >= MAX_DOS_DRIVES) || !DOSDrives[drive].root)
|
|
{
|
|
SetLastError( ERROR_INVALID_DRIVE );
|
|
return 0;
|
|
}
|
|
DOSDrives[drive].flags |= DRIVE_DISABLED;
|
|
return 1;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DRIVE_Enable
|
|
*/
|
|
int DRIVE_Enable( int drive )
|
|
{
|
|
if ((drive < 0) || (drive >= MAX_DOS_DRIVES) || !DOSDrives[drive].root)
|
|
{
|
|
SetLastError( ERROR_INVALID_DRIVE );
|
|
return 0;
|
|
}
|
|
DOSDrives[drive].flags &= ~DRIVE_DISABLED;
|
|
return 1;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DRIVE_SetLogicalMapping
|
|
*/
|
|
int DRIVE_SetLogicalMapping ( int existing_drive, int new_drive )
|
|
{
|
|
/* If new_drive is already valid, do nothing and return 0
|
|
otherwise, copy DOSDrives[existing_drive] to DOSDrives[new_drive] */
|
|
|
|
DOSDRIVE *old, *new;
|
|
|
|
old = DOSDrives + existing_drive;
|
|
new = DOSDrives + new_drive;
|
|
|
|
if ((existing_drive < 0) || (existing_drive >= MAX_DOS_DRIVES) ||
|
|
!old->root ||
|
|
(new_drive < 0) || (new_drive >= MAX_DOS_DRIVES))
|
|
{
|
|
SetLastError( ERROR_INVALID_DRIVE );
|
|
return 0;
|
|
}
|
|
|
|
if ( new->root )
|
|
{
|
|
TRACE("Can't map drive %c: to already existing drive %c:\n",
|
|
'A' + existing_drive, 'A' + new_drive );
|
|
/* it is already mapped there, so return success */
|
|
if (!strcmp(old->root,new->root))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
new->root = heap_strdup( old->root );
|
|
new->dos_cwd = heap_strdup( old->dos_cwd );
|
|
new->unix_cwd = heap_strdup( old->unix_cwd );
|
|
new->device = heap_strdup( old->device );
|
|
memcpy ( new->label_conf, old->label_conf, 12 );
|
|
memcpy ( new->label_read, old->label_read, 12 );
|
|
new->serial_conf = old->serial_conf;
|
|
new->type = old->type;
|
|
new->flags = old->flags;
|
|
new->dev = old->dev;
|
|
new->ino = old->ino;
|
|
|
|
TRACE("Drive %c: is now equal to drive %c:\n",
|
|
'A' + new_drive, 'A' + existing_drive );
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DRIVE_OpenDevice
|
|
*
|
|
* Open the drive raw device and return a Unix fd (or -1 on error).
|
|
*/
|
|
int DRIVE_OpenDevice( int drive, int flags )
|
|
{
|
|
if (!DRIVE_IsValid( drive )) return -1;
|
|
return open( DOSDrives[drive].device, flags );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DRIVE_RawRead
|
|
*
|
|
* Read raw sectors from a device
|
|
*/
|
|
int DRIVE_RawRead(BYTE drive, DWORD begin, DWORD nr_sect, BYTE *dataptr, BOOL fake_success)
|
|
{
|
|
int fd;
|
|
|
|
if ((fd = DRIVE_OpenDevice( drive, O_RDONLY )) != -1)
|
|
{
|
|
lseek( fd, begin * 512, SEEK_SET );
|
|
/* FIXME: check errors */
|
|
read( fd, dataptr, nr_sect * 512 );
|
|
close( fd );
|
|
}
|
|
else
|
|
{
|
|
memset(dataptr, 0, nr_sect * 512);
|
|
if (fake_success)
|
|
{
|
|
if (begin == 0 && nr_sect > 1) *(dataptr + 512) = 0xf8;
|
|
if (begin == 1) *dataptr = 0xf8;
|
|
}
|
|
else
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DRIVE_RawWrite
|
|
*
|
|
* Write raw sectors to a device
|
|
*/
|
|
int DRIVE_RawWrite(BYTE drive, DWORD begin, DWORD nr_sect, BYTE *dataptr, BOOL fake_success)
|
|
{
|
|
int fd;
|
|
|
|
if ((fd = DRIVE_OpenDevice( drive, O_RDONLY )) != -1)
|
|
{
|
|
lseek( fd, begin * 512, SEEK_SET );
|
|
/* FIXME: check errors */
|
|
write( fd, dataptr, nr_sect * 512 );
|
|
close( fd );
|
|
}
|
|
else
|
|
if (!(fake_success))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DRIVE_GetFreeSpace
|
|
*/
|
|
static int DRIVE_GetFreeSpace( int drive, PULARGE_INTEGER size,
|
|
PULARGE_INTEGER available )
|
|
{
|
|
struct statfs info;
|
|
|
|
if (!DRIVE_IsValid(drive))
|
|
{
|
|
SetLastError( ERROR_INVALID_DRIVE );
|
|
return 0;
|
|
}
|
|
|
|
/* FIXME: add autoconf check for this */
|
|
#if defined(__svr4__) || defined(_SCO_DS) || defined(__sun)
|
|
if (statfs( DOSDrives[drive].root, &info, 0, 0) < 0)
|
|
#else
|
|
if (statfs( DOSDrives[drive].root, &info) < 0)
|
|
#endif
|
|
{
|
|
FILE_SetDosError();
|
|
WARN("cannot do statfs(%s)\n", DOSDrives[drive].root);
|
|
return 0;
|
|
}
|
|
|
|
size->QuadPart = RtlEnlargedUnsignedMultiply( info.f_bsize, info.f_blocks );
|
|
#ifdef STATFS_HAS_BAVAIL
|
|
available->QuadPart = RtlEnlargedUnsignedMultiply( info.f_bavail, info.f_bsize );
|
|
#else
|
|
# ifdef STATFS_HAS_BFREE
|
|
available->QuadPart = RtlEnlargedUnsignedMultiply( info.f_bfree, info.f_bsize );
|
|
# else
|
|
# error "statfs has no bfree/bavail member!"
|
|
# endif
|
|
#endif
|
|
if (DOSDrives[drive].type == DRIVE_CDROM)
|
|
{ /* ALWAYS 0, even if no real CD-ROM mounted there !! */
|
|
available->QuadPart = 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DRIVE_GetCurrentDirectory
|
|
* Returns "X:\\path\\etc\\".
|
|
*
|
|
* Despite the API description, return required length including the
|
|
* terminating null when buffer too small. This is the real behaviour.
|
|
*/
|
|
|
|
static UINT DRIVE_GetCurrentDirectory( UINT buflen, LPSTR buf )
|
|
{
|
|
UINT ret;
|
|
const char *s = DRIVE_GetDosCwd( DRIVE_GetCurrentDrive() );
|
|
|
|
assert(s);
|
|
ret = strlen(s) + 3; /* length of WHOLE current directory */
|
|
if (ret >= buflen) return ret + 1;
|
|
lstrcpynA( buf, "A:\\", min( 4u, buflen ) );
|
|
if (buflen) buf[0] += DRIVE_GetCurrentDrive();
|
|
if (buflen > 3) lstrcpynA( buf + 3, s, buflen - 3 );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DRIVE_BuildEnv
|
|
*
|
|
* Build the environment array containing the drives' current directories.
|
|
* Resulting pointer must be freed with HeapFree.
|
|
*/
|
|
char *DRIVE_BuildEnv(void)
|
|
{
|
|
int i, length = 0;
|
|
const char *cwd[MAX_DOS_DRIVES];
|
|
char *env, *p;
|
|
|
|
for (i = 0; i < MAX_DOS_DRIVES; i++)
|
|
{
|
|
if ((cwd[i] = DRIVE_GetDosCwd(i)) && cwd[i][0]) length += strlen(cwd[i]) + 8;
|
|
}
|
|
if (!(env = HeapAlloc( GetProcessHeap(), 0, length+1 ))) return NULL;
|
|
for (i = 0, p = env; i < MAX_DOS_DRIVES; i++)
|
|
{
|
|
if (cwd[i] && cwd[i][0])
|
|
p += sprintf( p, "=%c:=%c:\\%s", 'A'+i, 'A'+i, cwd[i] ) + 1;
|
|
}
|
|
*p = 0;
|
|
return env;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetDiskFreeSpace (KERNEL.422)
|
|
*/
|
|
BOOL16 WINAPI GetDiskFreeSpace16( LPCSTR root, LPDWORD cluster_sectors,
|
|
LPDWORD sector_bytes, LPDWORD free_clusters,
|
|
LPDWORD total_clusters )
|
|
{
|
|
return GetDiskFreeSpaceA( root, cluster_sectors, sector_bytes,
|
|
free_clusters, total_clusters );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetDiskFreeSpaceA (KERNEL32.@)
|
|
*
|
|
* Fails if expression resulting from current drive's dir and "root"
|
|
* is not a root dir of the target drive.
|
|
*
|
|
* UNDOC: setting some LPDWORDs to NULL is perfectly possible
|
|
* if the corresponding info is unneeded.
|
|
*
|
|
* FIXME: needs to support UNC names from Win95 OSR2 on.
|
|
*
|
|
* Behaviour under Win95a:
|
|
* CurrDir root result
|
|
* "E:\\TEST" "E:" FALSE
|
|
* "E:\\" "E:" TRUE
|
|
* "E:\\" "E" FALSE
|
|
* "E:\\" "\\" TRUE
|
|
* "E:\\TEST" "\\" TRUE
|
|
* "E:\\TEST" ":\\" FALSE
|
|
* "E:\\TEST" "E:\\" TRUE
|
|
* "E:\\TEST" "" FALSE
|
|
* "E:\\" "" FALSE (!)
|
|
* "E:\\" 0x0 TRUE
|
|
* "E:\\TEST" 0x0 TRUE (!)
|
|
* "E:\\TEST" "C:" TRUE (when CurrDir of "C:" set to "\\")
|
|
* "E:\\TEST" "C:" FALSE (when CurrDir of "C:" set to "\\TEST")
|
|
*/
|
|
BOOL WINAPI GetDiskFreeSpaceA( LPCSTR root, LPDWORD cluster_sectors,
|
|
LPDWORD sector_bytes, LPDWORD free_clusters,
|
|
LPDWORD total_clusters )
|
|
{
|
|
int drive, sec_size;
|
|
ULARGE_INTEGER size,available;
|
|
LPCSTR path;
|
|
DWORD cluster_sec;
|
|
|
|
if ((!root) || (strcmp(root,"\\") == 0))
|
|
drive = DRIVE_GetCurrentDrive();
|
|
else
|
|
if ( (strlen(root) >= 2) && (root[1] == ':')) /* root contains drive tag */
|
|
{
|
|
drive = toupper(root[0]) - 'A';
|
|
path = &root[2];
|
|
if (path[0] == '\0')
|
|
path = DRIVE_GetDosCwd(drive);
|
|
else
|
|
if (path[0] == '\\')
|
|
path++;
|
|
if (path[0]) /* oops, we are in a subdir */
|
|
{
|
|
SetLastError(ERROR_INVALID_NAME);
|
|
return FALSE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
SetLastError(ERROR_INVALID_NAME);
|
|
return FALSE;
|
|
}
|
|
|
|
if (!DRIVE_GetFreeSpace(drive, &size, &available)) return FALSE;
|
|
|
|
/* Cap the size and available at 2GB as per specs. */
|
|
if ((size.s.HighPart) ||(size.s.LowPart > 0x7fffffff))
|
|
{
|
|
size.s.HighPart = 0;
|
|
size.s.LowPart = 0x7fffffff;
|
|
}
|
|
if ((available.s.HighPart) ||(available.s.LowPart > 0x7fffffff))
|
|
{
|
|
available.s.HighPart =0;
|
|
available.s.LowPart = 0x7fffffff;
|
|
}
|
|
sec_size = (DRIVE_GetType(drive)==DRIVE_CDROM) ? 2048 : 512;
|
|
size.s.LowPart /= sec_size;
|
|
available.s.LowPart /= sec_size;
|
|
/* FIXME: probably have to adjust those variables too for CDFS */
|
|
cluster_sec = 1;
|
|
while (cluster_sec * 65536 < size.s.LowPart) cluster_sec *= 2;
|
|
|
|
if (cluster_sectors)
|
|
*cluster_sectors = cluster_sec;
|
|
if (sector_bytes)
|
|
*sector_bytes = sec_size;
|
|
if (free_clusters)
|
|
*free_clusters = available.s.LowPart / cluster_sec;
|
|
if (total_clusters)
|
|
*total_clusters = size.s.LowPart / cluster_sec;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetDiskFreeSpaceW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI GetDiskFreeSpaceW( LPCWSTR root, LPDWORD cluster_sectors,
|
|
LPDWORD sector_bytes, LPDWORD free_clusters,
|
|
LPDWORD total_clusters )
|
|
{
|
|
LPSTR xroot;
|
|
BOOL ret;
|
|
|
|
xroot = HEAP_strdupWtoA( GetProcessHeap(), 0, root);
|
|
ret = GetDiskFreeSpaceA( xroot,cluster_sectors, sector_bytes,
|
|
free_clusters, total_clusters );
|
|
HeapFree( GetProcessHeap(), 0, xroot );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetDiskFreeSpaceExA (KERNEL32.@)
|
|
*
|
|
* This function is used to acquire the size of the available and
|
|
* total space on a logical volume.
|
|
*
|
|
* RETURNS
|
|
*
|
|
* Zero on failure, nonzero upon success. Use GetLastError to obtain
|
|
* detailed error information.
|
|
*
|
|
*/
|
|
BOOL WINAPI GetDiskFreeSpaceExA( LPCSTR root,
|
|
PULARGE_INTEGER avail,
|
|
PULARGE_INTEGER total,
|
|
PULARGE_INTEGER totalfree)
|
|
{
|
|
int drive;
|
|
ULARGE_INTEGER size,available;
|
|
|
|
if (!root) drive = DRIVE_GetCurrentDrive();
|
|
else
|
|
{ /* C: always works for GetDiskFreeSpaceEx */
|
|
if ((root[1]) && ((root[1] != ':') || (root[2] && root[2] != '\\')))
|
|
{
|
|
FIXME("there are valid root names which are not supported yet\n");
|
|
/* ..like UNC names, for instance. */
|
|
|
|
WARN("invalid root '%s'\n", root );
|
|
return FALSE;
|
|
}
|
|
drive = toupper(root[0]) - 'A';
|
|
}
|
|
|
|
if (!DRIVE_GetFreeSpace(drive, &size, &available)) return FALSE;
|
|
|
|
if (total)
|
|
{
|
|
total->s.HighPart = size.s.HighPart;
|
|
total->s.LowPart = size.s.LowPart;
|
|
}
|
|
|
|
if (totalfree)
|
|
{
|
|
totalfree->s.HighPart = available.s.HighPart;
|
|
totalfree->s.LowPart = available.s.LowPart;
|
|
}
|
|
|
|
if (avail)
|
|
{
|
|
if (FIXME_ON(dosfs))
|
|
{
|
|
/* On Windows2000, we need to check the disk quota
|
|
allocated for the user owning the calling process. We
|
|
don't want to be more obtrusive than necessary with the
|
|
FIXME messages, so don't print the FIXME unless Wine is
|
|
actually masquerading as Windows2000. */
|
|
|
|
OSVERSIONINFOA ovi;
|
|
ovi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
|
|
if (GetVersionExA(&ovi))
|
|
{
|
|
if (ovi.dwPlatformId == VER_PLATFORM_WIN32_NT && ovi.dwMajorVersion > 4)
|
|
FIXME("no per-user quota support yet\n");
|
|
}
|
|
}
|
|
|
|
/* Quick hack, should eventually be fixed to work 100% with
|
|
Windows2000 (see comment above). */
|
|
avail->s.HighPart = available.s.HighPart;
|
|
avail->s.LowPart = available.s.LowPart;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetDiskFreeSpaceExW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI GetDiskFreeSpaceExW( LPCWSTR root, PULARGE_INTEGER avail,
|
|
PULARGE_INTEGER total,
|
|
PULARGE_INTEGER totalfree)
|
|
{
|
|
LPSTR xroot;
|
|
BOOL ret;
|
|
|
|
xroot = HEAP_strdupWtoA( GetProcessHeap(), 0, root);
|
|
ret = GetDiskFreeSpaceExA( xroot, avail, total, totalfree);
|
|
HeapFree( GetProcessHeap(), 0, xroot );
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetDriveType (KERNEL.136)
|
|
* This function returns the type of a drive in Win16.
|
|
* Note that it returns DRIVE_REMOTE for CD-ROMs, since MSCDEX uses the
|
|
* remote drive API. The return value DRIVE_REMOTE for CD-ROMs has been
|
|
* verified on Win 3.11 and Windows 95. Some programs rely on it, so don't
|
|
* do any pseudo-clever changes.
|
|
*
|
|
* RETURNS
|
|
* drivetype DRIVE_xxx
|
|
*/
|
|
UINT16 WINAPI GetDriveType16( UINT16 drive ) /* [in] number (NOT letter) of drive */
|
|
{
|
|
UINT type = DRIVE_GetType(drive);
|
|
TRACE("(%c:)\n", 'A' + drive );
|
|
if (type == DRIVE_CDROM) type = DRIVE_REMOTE;
|
|
return type;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetDriveTypeA (KERNEL32.@)
|
|
*
|
|
* Returns the type of the disk drive specified. If root is NULL the
|
|
* root of the current directory is used.
|
|
*
|
|
* RETURNS
|
|
*
|
|
* Type of drive (from Win32 SDK):
|
|
*
|
|
* DRIVE_UNKNOWN unable to find out anything about the drive
|
|
* DRIVE_NO_ROOT_DIR nonexistent root dir
|
|
* DRIVE_REMOVABLE the disk can be removed from the machine
|
|
* DRIVE_FIXED the disk can not be removed from the machine
|
|
* DRIVE_REMOTE network disk
|
|
* DRIVE_CDROM CDROM drive
|
|
* DRIVE_RAMDISK virtual disk in RAM
|
|
*/
|
|
UINT WINAPI GetDriveTypeA(LPCSTR root) /* [in] String describing drive */
|
|
{
|
|
int drive;
|
|
TRACE("(%s)\n", debugstr_a(root));
|
|
|
|
if (NULL == root) drive = DRIVE_GetCurrentDrive();
|
|
else
|
|
{
|
|
if ((root[1]) && (root[1] != ':'))
|
|
{
|
|
WARN("invalid root %s\n", debugstr_a(root));
|
|
return DRIVE_NO_ROOT_DIR;
|
|
}
|
|
drive = toupper(root[0]) - 'A';
|
|
}
|
|
return DRIVE_GetType(drive);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetDriveTypeW (KERNEL32.@)
|
|
*/
|
|
UINT WINAPI GetDriveTypeW( LPCWSTR root )
|
|
{
|
|
LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, root );
|
|
UINT ret = GetDriveTypeA( xpath );
|
|
HeapFree( GetProcessHeap(), 0, xpath );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetCurrentDirectory (KERNEL.411)
|
|
*/
|
|
UINT16 WINAPI GetCurrentDirectory16( UINT16 buflen, LPSTR buf )
|
|
{
|
|
return (UINT16)DRIVE_GetCurrentDirectory(buflen, buf);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetCurrentDirectoryA (KERNEL32.@)
|
|
*/
|
|
UINT WINAPI GetCurrentDirectoryA( UINT buflen, LPSTR buf )
|
|
{
|
|
UINT ret;
|
|
char longname[MAX_PATHNAME_LEN];
|
|
char shortname[MAX_PATHNAME_LEN];
|
|
ret = DRIVE_GetCurrentDirectory(MAX_PATHNAME_LEN, shortname);
|
|
if ( ret > MAX_PATHNAME_LEN ) {
|
|
ERR_(file)("pathnamelength (%d) > MAX_PATHNAME_LEN!\n", ret );
|
|
return ret;
|
|
}
|
|
GetLongPathNameA(shortname, longname, MAX_PATHNAME_LEN);
|
|
ret = strlen( longname ) + 1;
|
|
if (ret > buflen) return ret;
|
|
strcpy(buf, longname);
|
|
return ret - 1;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetCurrentDirectoryW (KERNEL32.@)
|
|
*/
|
|
UINT WINAPI GetCurrentDirectoryW( UINT buflen, LPWSTR buf )
|
|
{
|
|
LPSTR xpath = HeapAlloc( GetProcessHeap(), 0, buflen+1 );
|
|
UINT ret = GetCurrentDirectoryA( buflen, xpath );
|
|
if (ret < buflen) ret = MultiByteToWideChar( CP_ACP, 0, xpath, -1, buf, buflen ) - 1;
|
|
HeapFree( GetProcessHeap(), 0, xpath );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetCurrentDirectory (KERNEL.412)
|
|
*/
|
|
BOOL16 WINAPI SetCurrentDirectory16( LPCSTR dir )
|
|
{
|
|
return SetCurrentDirectoryA( dir );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetCurrentDirectoryA (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI SetCurrentDirectoryA( LPCSTR dir )
|
|
{
|
|
int drive, olddrive = DRIVE_GetCurrentDrive();
|
|
|
|
if (!dir) {
|
|
ERR_(file)("(NULL)!\n");
|
|
return FALSE;
|
|
}
|
|
if (dir[0] && (dir[1]==':'))
|
|
{
|
|
drive = toupper( *dir ) - 'A';
|
|
dir += 2;
|
|
}
|
|
else
|
|
drive = olddrive;
|
|
|
|
/* WARNING: we need to set the drive before the dir, as DRIVE_Chdir
|
|
sets pTask->curdir only if pTask->curdrive is drive */
|
|
if (!(DRIVE_SetCurrentDrive( drive )))
|
|
return FALSE;
|
|
/* FIXME: what about empty strings? Add a \\ ? */
|
|
if (!DRIVE_Chdir( drive, dir )) {
|
|
DRIVE_SetCurrentDrive(olddrive);
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetCurrentDirectoryW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI SetCurrentDirectoryW( LPCWSTR dirW )
|
|
{
|
|
LPSTR dir = HEAP_strdupWtoA( GetProcessHeap(), 0, dirW );
|
|
BOOL res = SetCurrentDirectoryA( dir );
|
|
HeapFree( GetProcessHeap(), 0, dir );
|
|
return res;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetLogicalDriveStringsA (KERNEL32.@)
|
|
*/
|
|
UINT WINAPI GetLogicalDriveStringsA( UINT len, LPSTR buffer )
|
|
{
|
|
int drive, count;
|
|
|
|
for (drive = count = 0; drive < MAX_DOS_DRIVES; drive++)
|
|
if (DRIVE_IsValid(drive)) count++;
|
|
if ((count * 4) + 1 <= len)
|
|
{
|
|
LPSTR p = buffer;
|
|
for (drive = 0; drive < MAX_DOS_DRIVES; drive++)
|
|
if (DRIVE_IsValid(drive))
|
|
{
|
|
*p++ = 'a' + drive;
|
|
*p++ = ':';
|
|
*p++ = '\\';
|
|
*p++ = '\0';
|
|
}
|
|
*p = '\0';
|
|
return count * 4;
|
|
}
|
|
else
|
|
return (count * 4) + 1; /* account for terminating null */
|
|
/* The API tells about these different return values */
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetLogicalDriveStringsW (KERNEL32.@)
|
|
*/
|
|
UINT WINAPI GetLogicalDriveStringsW( UINT len, LPWSTR buffer )
|
|
{
|
|
int drive, count;
|
|
|
|
for (drive = count = 0; drive < MAX_DOS_DRIVES; drive++)
|
|
if (DRIVE_IsValid(drive)) count++;
|
|
if (count * 4 * sizeof(WCHAR) <= len)
|
|
{
|
|
LPWSTR p = buffer;
|
|
for (drive = 0; drive < MAX_DOS_DRIVES; drive++)
|
|
if (DRIVE_IsValid(drive))
|
|
{
|
|
*p++ = (WCHAR)('a' + drive);
|
|
*p++ = (WCHAR)':';
|
|
*p++ = (WCHAR)'\\';
|
|
*p++ = (WCHAR)'\0';
|
|
}
|
|
*p = (WCHAR)'\0';
|
|
}
|
|
return count * 4 * sizeof(WCHAR);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetLogicalDrives (KERNEL32.@)
|
|
*/
|
|
DWORD WINAPI GetLogicalDrives(void)
|
|
{
|
|
DWORD ret = 0;
|
|
int drive;
|
|
|
|
for (drive = 0; drive < MAX_DOS_DRIVES; drive++)
|
|
{
|
|
if ( (DRIVE_IsValid(drive)) ||
|
|
(DOSDrives[drive].type == DRIVE_CDROM)) /* audio CD is also valid */
|
|
ret |= (1 << drive);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetVolumeInformationA (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI GetVolumeInformationA( LPCSTR root, LPSTR label,
|
|
DWORD label_len, DWORD *serial,
|
|
DWORD *filename_len, DWORD *flags,
|
|
LPSTR fsname, DWORD fsname_len )
|
|
{
|
|
int drive;
|
|
char *cp;
|
|
|
|
/* FIXME, SetLastError()s missing */
|
|
|
|
if (!root) drive = DRIVE_GetCurrentDrive();
|
|
else
|
|
{
|
|
if ((root[1]) && (root[1] != ':'))
|
|
{
|
|
WARN("invalid root '%s'\n",root);
|
|
return FALSE;
|
|
}
|
|
drive = toupper(root[0]) - 'A';
|
|
}
|
|
if (!DRIVE_IsValid( drive )) return FALSE;
|
|
if (label)
|
|
{
|
|
lstrcpynA( label, DRIVE_GetLabel(drive), label_len );
|
|
cp = label + strlen(label);
|
|
while (cp != label && *(cp-1) == ' ') cp--;
|
|
*cp = '\0';
|
|
}
|
|
if (serial) *serial = DRIVE_GetSerialNumber(drive);
|
|
|
|
/* Set the filesystem information */
|
|
/* Note: we only emulate a FAT fs at present */
|
|
|
|
if (filename_len) {
|
|
if (DOSDrives[drive].flags & DRIVE_SHORT_NAMES)
|
|
*filename_len = 12;
|
|
else
|
|
*filename_len = 255;
|
|
}
|
|
if (flags)
|
|
{
|
|
*flags=0;
|
|
if (DOSDrives[drive].flags & DRIVE_CASE_SENSITIVE)
|
|
*flags|=FS_CASE_SENSITIVE;
|
|
if (DOSDrives[drive].flags & DRIVE_CASE_PRESERVING)
|
|
*flags|=FS_CASE_IS_PRESERVED;
|
|
}
|
|
if (fsname) {
|
|
/* Diablo checks that return code ... */
|
|
if (DOSDrives[drive].type == DRIVE_CDROM)
|
|
lstrcpynA( fsname, "CDFS", fsname_len );
|
|
else
|
|
lstrcpynA( fsname, "FAT", fsname_len );
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetVolumeInformationW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI GetVolumeInformationW( LPCWSTR root, LPWSTR label,
|
|
DWORD label_len, DWORD *serial,
|
|
DWORD *filename_len, DWORD *flags,
|
|
LPWSTR fsname, DWORD fsname_len )
|
|
{
|
|
LPSTR xroot = HEAP_strdupWtoA( GetProcessHeap(), 0, root );
|
|
LPSTR xvolname = label ? HeapAlloc(GetProcessHeap(),0,label_len) : NULL;
|
|
LPSTR xfsname = fsname ? HeapAlloc(GetProcessHeap(),0,fsname_len) : NULL;
|
|
BOOL ret = GetVolumeInformationA( xroot, xvolname, label_len, serial,
|
|
filename_len, flags, xfsname,
|
|
fsname_len );
|
|
if (ret)
|
|
{
|
|
if (label) MultiByteToWideChar( CP_ACP, 0, xvolname, -1, label, label_len );
|
|
if (fsname) MultiByteToWideChar( CP_ACP, 0, xfsname, -1, fsname, fsname_len );
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, xroot );
|
|
HeapFree( GetProcessHeap(), 0, xvolname );
|
|
HeapFree( GetProcessHeap(), 0, xfsname );
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SetVolumeLabelA (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI SetVolumeLabelA( LPCSTR root, LPCSTR volname )
|
|
{
|
|
int drive;
|
|
|
|
/* FIXME, SetLastErrors missing */
|
|
|
|
if (!root) drive = DRIVE_GetCurrentDrive();
|
|
else
|
|
{
|
|
if ((root[1]) && (root[1] != ':'))
|
|
{
|
|
WARN("invalid root '%s'\n",root);
|
|
return FALSE;
|
|
}
|
|
drive = toupper(root[0]) - 'A';
|
|
}
|
|
if (!DRIVE_IsValid( drive )) return FALSE;
|
|
|
|
/* some copy protection stuff check this */
|
|
if (DOSDrives[drive].type == DRIVE_CDROM) return FALSE;
|
|
|
|
FIXME("(%s,%s),stub!\n", root, volname);
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SetVolumeLabelW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI SetVolumeLabelW(LPCWSTR rootpath,LPCWSTR volname)
|
|
{
|
|
LPSTR xroot, xvol;
|
|
BOOL ret;
|
|
|
|
xroot = HEAP_strdupWtoA( GetProcessHeap(), 0, rootpath);
|
|
xvol = HEAP_strdupWtoA( GetProcessHeap(), 0, volname);
|
|
ret = SetVolumeLabelA( xroot, xvol );
|
|
HeapFree( GetProcessHeap(), 0, xroot );
|
|
HeapFree( GetProcessHeap(), 0, xvol );
|
|
return ret;
|
|
}
|