| /* |
| * DOS drives handling functions |
| * |
| * Copyright 1993 Erik Bos |
| * Copyright 1996 Alexandre Julliard |
| */ |
| |
| #include "config.h" |
| |
| #include <assert.h> |
| #include <ctype.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <errno.h> |
| #include <unistd.h> |
| |
| #ifdef HAVE_SYS_PARAM_H |
| # include <sys/param.h> |
| #endif |
| #ifdef STATFS_DEFINED_BY_SYS_VFS |
| # include <sys/vfs.h> |
| #else |
| # ifdef STATFS_DEFINED_BY_SYS_MOUNT |
| # include <sys/mount.h> |
| # else |
| # ifdef STATFS_DEFINED_BY_SYS_STATFS |
| # include <sys/statfs.h> |
| # endif |
| # endif |
| #endif |
| |
| #include "winbase.h" |
| #include "wine/winbase16.h" /* for GetCurrentTask */ |
| #include "wine/winestring.h" /* for lstrcpyAtoW */ |
| #include "winerror.h" |
| #include "drive.h" |
| #include "file.h" |
| #include "heap.h" |
| #include "msdos.h" |
| #include "options.h" |
| #include "task.h" |
| #include "debugtools.h" |
| |
| DECLARE_DEBUG_CHANNEL(dosfs) |
| DECLARE_DEBUG_CHANNEL(file) |
| |
| typedef struct |
| { |
| char *root; /* root dir in Unix format without trailing / */ |
| char *dos_cwd; /* cwd in DOS format without leading or trailing \ */ |
| char *unix_cwd; /* cwd in Unix format without leading or trailing / */ |
| char *device; /* raw device path */ |
| char label[12]; /* drive label */ |
| DWORD serial; /* drive serial number */ |
| DRIVETYPE type; /* drive type */ |
| UINT flags; /* drive flags */ |
| dev_t dev; /* unix device number */ |
| ino_t ino; /* unix inode number */ |
| } DOSDRIVE; |
| |
| |
| static const char * const DRIVE_Types[] = |
| { |
| "floppy", /* TYPE_FLOPPY */ |
| "hd", /* TYPE_HD */ |
| "cdrom", /* TYPE_CDROM */ |
| "network" /* TYPE_NETWORK */ |
| }; |
| |
| |
| /* Known filesystem types */ |
| |
| typedef struct |
| { |
| const char *name; |
| UINT flags; |
| } FS_DESCR; |
| |
| static const FS_DESCR DRIVE_Filesystems[] = |
| { |
| { "unix", DRIVE_CASE_SENSITIVE | DRIVE_CASE_PRESERVING }, |
| { "msdos", DRIVE_SHORT_NAMES }, |
| { "dos", DRIVE_SHORT_NAMES }, |
| { "fat", DRIVE_SHORT_NAMES }, |
| { "vfat", DRIVE_CASE_PRESERVING }, |
| { "win95", DRIVE_CASE_PRESERVING }, |
| { NULL, 0 } |
| }; |
| |
| |
| static DOSDRIVE DOSDrives[MAX_DOS_DRIVES]; |
| static int DRIVE_CurDrive = -1; |
| |
| static HTASK16 DRIVE_LastTask = 0; |
| |
| |
| /*********************************************************************** |
| * DRIVE_GetDriveType |
| */ |
| static DRIVETYPE DRIVE_GetDriveType( const char *name ) |
| { |
| char buffer[20]; |
| int i; |
| |
| PROFILE_GetWineIniString( name, "Type", "hd", buffer, sizeof(buffer) ); |
| for (i = 0; i < sizeof(DRIVE_Types)/sizeof(DRIVE_Types[0]); i++) |
| { |
| if (!strcasecmp( buffer, DRIVE_Types[i] )) return (DRIVETYPE)i; |
| } |
| MESSAGE("%s: unknown type '%s', defaulting to 'hd'.\n", name, buffer ); |
| return TYPE_HD; |
| } |
| |
| |
| /*********************************************************************** |
| * DRIVE_GetFSFlags |
| */ |
| static UINT DRIVE_GetFSFlags( const char *name, const char *value ) |
| { |
| const FS_DESCR *descr; |
| |
| for (descr = DRIVE_Filesystems; descr->name; descr++) |
| if (!strcasecmp( value, descr->name )) return descr->flags; |
| MESSAGE("%s: unknown filesystem type '%s', defaulting to 'win95'.\n", |
| name, value ); |
| return DRIVE_CASE_PRESERVING; |
| } |
| |
| |
| /*********************************************************************** |
| * DRIVE_Init |
| */ |
| int DRIVE_Init(void) |
| { |
| int i, len, count = 0; |
| char name[] = "Drive A"; |
| char path[MAX_PATHNAME_LEN]; |
| char buffer[80]; |
| struct stat drive_stat_buffer; |
| char *p; |
| DOSDRIVE *drive; |
| |
| for (i = 0, drive = DOSDrives; i < MAX_DOS_DRIVES; i++, name[6]++, drive++) |
| { |
| PROFILE_GetWineIniString( name, "Path", "", path, sizeof(path)-1 ); |
| if (path[0]) |
| { |
| p = path + strlen(path) - 1; |
| while ((p > path) && ((*p == '/') || (*p == '\\'))) *p-- = '\0'; |
| if (!path[0]) strcpy( path, "/" ); |
| |
| if (stat( path, &drive_stat_buffer )) |
| { |
| MESSAGE("Could not stat %s, ignoring drive %c:\n", path, 'A' + i ); |
| continue; |
| } |
| if (!S_ISDIR(drive_stat_buffer.st_mode)) |
| { |
| MESSAGE("%s is not a directory, ignoring drive %c:\n", |
| path, 'A' + i ); |
| continue; |
| } |
| |
| drive->root = HEAP_strdupA( SystemHeap, 0, path ); |
| drive->dos_cwd = HEAP_strdupA( SystemHeap, 0, "" ); |
| drive->unix_cwd = HEAP_strdupA( SystemHeap, 0, "" ); |
| drive->type = DRIVE_GetDriveType( name ); |
| drive->device = NULL; |
| drive->flags = 0; |
| drive->dev = drive_stat_buffer.st_dev; |
| drive->ino = drive_stat_buffer.st_ino; |
| |
| /* Get the drive label */ |
| PROFILE_GetWineIniString( name, "Label", name, drive->label, 12 ); |
| if ((len = strlen(drive->label)) < 11) |
| { |
| /* Pad label with spaces */ |
| memset( drive->label + len, ' ', 11 - len ); |
| drive->label[12] = '\0'; |
| } |
| |
| /* Get the serial number */ |
| PROFILE_GetWineIniString( name, "Serial", "12345678", |
| buffer, sizeof(buffer) ); |
| drive->serial = strtoul( buffer, NULL, 16 ); |
| |
| /* Get the filesystem type */ |
| PROFILE_GetWineIniString( name, "Filesystem", "win95", |
| buffer, sizeof(buffer) ); |
| drive->flags = DRIVE_GetFSFlags( name, buffer ); |
| |
| /* Get the device */ |
| PROFILE_GetWineIniString( name, "Device", "", |
| buffer, sizeof(buffer) ); |
| if (buffer[0]) |
| drive->device = HEAP_strdupA( SystemHeap, 0, buffer ); |
| |
| /* Make the first hard disk the current drive */ |
| if ((DRIVE_CurDrive == -1) && (drive->type == TYPE_HD)) |
| DRIVE_CurDrive = i; |
| |
| count++; |
| TRACE_(dosfs)("%s: path=%s type=%s label='%s' serial=%08lx flags=%08x dev=%x ino=%x\n", |
| name, path, DRIVE_Types[drive->type], |
| drive->label, drive->serial, drive->flags, |
| (int)drive->dev, (int)drive->ino ); |
| } |
| else WARN_(dosfs)("%s: not defined\n", name ); |
| } |
| |
| if (!count) |
| { |
| MESSAGE("Warning: no valid DOS drive found, check your configuration file.\n" ); |
| /* Create a C drive pointing to Unix root dir */ |
| DOSDrives[2].root = HEAP_strdupA( SystemHeap, 0, "/" ); |
| DOSDrives[2].dos_cwd = HEAP_strdupA( SystemHeap, 0, "" ); |
| DOSDrives[2].unix_cwd = HEAP_strdupA( SystemHeap, 0, "" ); |
| strcpy( DOSDrives[2].label, "Drive C " ); |
| DOSDrives[2].serial = 0x12345678; |
| DOSDrives[2].type = TYPE_HD; |
| DOSDrives[2].flags = 0; |
| DRIVE_CurDrive = 2; |
| } |
| |
| /* Make sure the current drive is valid */ |
| if (DRIVE_CurDrive == -1) |
| { |
| for (i = 0, drive = DOSDrives; i < MAX_DOS_DRIVES; i++, drive++) |
| { |
| if (drive->root && !(drive->flags & DRIVE_DISABLED)) |
| { |
| DRIVE_CurDrive = i; |
| break; |
| } |
| } |
| } |
| |
| return 1; |
| } |
| |
| |
| /*********************************************************************** |
| * DRIVE_IsValid |
| */ |
| int DRIVE_IsValid( int drive ) |
| { |
| if ((drive < 0) || (drive >= MAX_DOS_DRIVES)) return 0; |
| return (DOSDrives[drive].root && |
| !(DOSDrives[drive].flags & DRIVE_DISABLED)); |
| } |
| |
| |
| /*********************************************************************** |
| * DRIVE_GetCurrentDrive |
| */ |
| int DRIVE_GetCurrentDrive(void) |
| { |
| TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() ); |
| if (pTask && (pTask->curdrive & 0x80)) return pTask->curdrive & ~0x80; |
| return DRIVE_CurDrive; |
| } |
| |
| |
| /*********************************************************************** |
| * DRIVE_SetCurrentDrive |
| */ |
| int DRIVE_SetCurrentDrive( int drive ) |
| { |
| TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() ); |
| if (!DRIVE_IsValid( drive )) |
| { |
| SetLastError( ERROR_INVALID_DRIVE ); |
| return 0; |
| } |
| TRACE_(dosfs)("%c:\n", 'A' + drive ); |
| DRIVE_CurDrive = drive; |
| if (pTask) pTask->curdrive = drive | 0x80; |
| return 1; |
| } |
| |
| |
| /*********************************************************************** |
| * DRIVE_FindDriveRoot |
| * |
| * Find a drive for which the root matches the begginning of the given path. |
| * This can be used to translate a Unix path into a drive + DOS path. |
| * Return value is the drive, or -1 on error. On success, path is modified |
| * to point to the beginning of the DOS path. |
| */ |
| int DRIVE_FindDriveRoot( const char **path ) |
| { |
| /* idea: check at all '/' positions. |
| * If the device and inode of that path is identical with the |
| * device and inode of the current drive then we found a solution. |
| * If there is another drive pointing to a deeper position in |
| * the file tree, we want to find that one, not the earlier solution. |
| */ |
| int drive, rootdrive = -1; |
| char buffer[MAX_PATHNAME_LEN]; |
| char *next = buffer; |
| const char *p = *path; |
| struct stat st; |
| |
| strcpy( buffer, "/" ); |
| for (;;) |
| { |
| if (stat( buffer, &st ) || !S_ISDIR( st.st_mode )) break; |
| |
| /* Find the drive */ |
| |
| for (drive = 0; drive < MAX_DOS_DRIVES; drive++) |
| { |
| if (!DOSDrives[drive].root || |
| (DOSDrives[drive].flags & DRIVE_DISABLED)) continue; |
| |
| if ((DOSDrives[drive].dev == st.st_dev) && |
| (DOSDrives[drive].ino == st.st_ino)) |
| { |
| rootdrive = drive; |
| *path = p; |
| } |
| } |
| |
| /* Get the next path component */ |
| |
| *next++ = '/'; |
| while ((*p == '/') || (*p == '\\')) p++; |
| if (!*p) break; |
| while (!IS_END_OF_NAME(*p)) *next++ = *p++; |
| *next = 0; |
| } |
| *next = 0; |
| |
| if (rootdrive != -1) |
| TRACE_(dosfs)("%s -> drive %c:, root='%s', name='%s'\n", |
| buffer, 'A' + rootdrive, |
| DOSDrives[rootdrive].root, *path ); |
| return rootdrive; |
| } |
| |
| |
| /*********************************************************************** |
| * DRIVE_GetRoot |
| */ |
| const char * DRIVE_GetRoot( int drive ) |
| { |
| if (!DRIVE_IsValid( drive )) return NULL; |
| return DOSDrives[drive].root; |
| } |
| |
| |
| /*********************************************************************** |
| * DRIVE_GetDosCwd |
| */ |
| const char * DRIVE_GetDosCwd( int drive ) |
| { |
| TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() ); |
| if (!DRIVE_IsValid( drive )) return NULL; |
| |
| /* Check if we need to change the directory to the new task. */ |
| if (pTask && (pTask->curdrive & 0x80) && /* The task drive is valid */ |
| ((pTask->curdrive & ~0x80) == drive) && /* and it's the one we want */ |
| (DRIVE_LastTask != GetCurrentTask())) /* and the task changed */ |
| { |
| /* Perform the task-switch */ |
| if (!DRIVE_Chdir( drive, pTask->curdir )) DRIVE_Chdir( drive, "\\" ); |
| DRIVE_LastTask = GetCurrentTask(); |
| } |
| return DOSDrives[drive].dos_cwd; |
| } |
| |
| |
| /*********************************************************************** |
| * DRIVE_GetUnixCwd |
| */ |
| const char * DRIVE_GetUnixCwd( int drive ) |
| { |
| TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() ); |
| if (!DRIVE_IsValid( drive )) return NULL; |
| |
| /* Check if we need to change the directory to the new task. */ |
| if (pTask && (pTask->curdrive & 0x80) && /* The task drive is valid */ |
| ((pTask->curdrive & ~0x80) == drive) && /* and it's the one we want */ |
| (DRIVE_LastTask != GetCurrentTask())) /* and the task changed */ |
| { |
| /* Perform the task-switch */ |
| if (!DRIVE_Chdir( drive, pTask->curdir )) DRIVE_Chdir( drive, "\\" ); |
| DRIVE_LastTask = GetCurrentTask(); |
| } |
| return DOSDrives[drive].unix_cwd; |
| } |
| |
| |
| /*********************************************************************** |
| * DRIVE_GetLabel |
| */ |
| const char * DRIVE_GetLabel( int drive ) |
| { |
| if (!DRIVE_IsValid( drive )) return NULL; |
| return DOSDrives[drive].label; |
| } |
| |
| |
| /*********************************************************************** |
| * DRIVE_GetSerialNumber |
| */ |
| DWORD DRIVE_GetSerialNumber( int drive ) |
| { |
| if (!DRIVE_IsValid( drive )) return 0; |
| return DOSDrives[drive].serial; |
| } |
| |
| |
| /*********************************************************************** |
| * DRIVE_SetSerialNumber |
| */ |
| int DRIVE_SetSerialNumber( int drive, DWORD serial ) |
| { |
| if (!DRIVE_IsValid( drive )) return 0; |
| DOSDrives[drive].serial = serial; |
| return 1; |
| } |
| |
| |
| /*********************************************************************** |
| * DRIVE_GetType |
| */ |
| DRIVETYPE DRIVE_GetType( int drive ) |
| { |
| if (!DRIVE_IsValid( drive )) return TYPE_INVALID; |
| 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 = (TDB *)GlobalLock16( GetCurrentTask() ); |
| |
| strcpy( buffer, "A:" ); |
| buffer[0] += drive; |
| TRACE_(dosfs)("(%c:,%s)\n", buffer[0], 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_(dosfs)("(%c:): unix_cwd=%s dos_cwd=%s\n", |
| 'A' + drive, unix_cwd, full_name.short_name + 3 ); |
| |
| HeapFree( SystemHeap, 0, DOSDrives[drive].dos_cwd ); |
| HeapFree( SystemHeap, 0, DOSDrives[drive].unix_cwd ); |
| DOSDrives[drive].dos_cwd = HEAP_strdupA( SystemHeap, 0, |
| full_name.short_name + 3 ); |
| DOSDrives[drive].unix_cwd = HEAP_strdupA( SystemHeap, 0, 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(); |
| } |
| 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_(dosfs)("Can\'t map drive %c to drive %c - " |
| "drive %c already exists\n", |
| 'A' + existing_drive, 'A' + new_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_strdupA( SystemHeap, 0, old->root ); |
| new->dos_cwd = HEAP_strdupA( SystemHeap, 0, old->dos_cwd ); |
| new->unix_cwd = HEAP_strdupA( SystemHeap, 0, old->unix_cwd ); |
| memcpy ( new->label, old->label, 12 ); |
| new->serial = old->serial; |
| new->type = old->type; |
| new->flags = old->flags; |
| new->dev = old->dev; |
| new->ino = old->ino; |
| |
| TRACE_(dosfs)("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; |
| unsigned long long bigsize,bigavail=0; |
| |
| 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_(dosfs)("cannot do statfs(%s)\n", DOSDrives[drive].root); |
| return 0; |
| } |
| |
| bigsize = (unsigned long long)info.f_bsize |
| * (unsigned long long)info.f_blocks; |
| #ifdef STATFS_HAS_BAVAIL |
| bigavail = (unsigned long long)info.f_bavail |
| * (unsigned long long)info.f_bsize; |
| #else |
| # ifdef STATFS_HAS_BFREE |
| bigavail = (unsigned long long)info.f_bfree |
| * (unsigned long long)info.f_bsize; |
| # else |
| # error "statfs has no bfree/bavail member!" |
| # endif |
| #endif |
| size->LowPart = (DWORD)bigsize; |
| size->HighPart = (DWORD)(bigsize>>32); |
| available->LowPart = (DWORD)bigavail; |
| available->HighPart = (DWORD)(bigavail>>32); |
| return 1; |
| } |
| |
| |
| /*********************************************************************** |
| * GetDiskFreeSpace16 (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 ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetDiskFreeSpace32A (KERNEL32.206) |
| * |
| * 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; |
| ULARGE_INTEGER size,available; |
| LPCSTR path; |
| DWORD cluster_sec; |
| |
| if ((!root) || (root == "\\")) |
| 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 (strlen(path)) /* oops, we are in a subdir */ |
| return FALSE; |
| } |
| else |
| return FALSE; |
| |
| if (!DRIVE_GetFreeSpace(drive, &size, &available)) return FALSE; |
| |
| /* Cap the size and available at 2GB as per specs. */ |
| if ((size.HighPart) ||(size.LowPart > 0x7fffffff)) |
| { |
| size.HighPart = 0; |
| size.LowPart = 0x7fffffff; |
| } |
| if ((available.HighPart) ||(available.LowPart > 0x7fffffff)) |
| { |
| available.HighPart =0; |
| available.LowPart = 0x7fffffff; |
| } |
| if (DRIVE_GetType(drive)==TYPE_CDROM) { |
| if (sector_bytes) |
| *sector_bytes = 2048; |
| size.LowPart /= 2048; |
| available.LowPart /= 2048; |
| } else { |
| if (sector_bytes) |
| *sector_bytes = 512; |
| size.LowPart /= 512; |
| available.LowPart /= 512; |
| } |
| /* fixme: probably have to adjust those variables too for CDFS */ |
| cluster_sec = 1; |
| while (cluster_sec * 65536 < size.LowPart) cluster_sec *= 2; |
| |
| if (cluster_sectors) |
| *cluster_sectors = cluster_sec; |
| if (free_clusters) |
| *free_clusters = available.LowPart / cluster_sec; |
| if (total_clusters) |
| *total_clusters = size.LowPart / cluster_sec; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * GetDiskFreeSpace32W (KERNEL32.207) |
| */ |
| 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; |
| } |
| |
| |
| /*********************************************************************** |
| * GetDiskFreeSpaceEx32A (KERNEL32.871) |
| */ |
| 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 |
| { |
| if ((root[1]) && ((root[1] != ':') || (root[2] != '\\'))) |
| { |
| WARN_(dosfs)("invalid root '%s'\n", root ); |
| return FALSE; |
| } |
| drive = toupper(root[0]) - 'A'; |
| } |
| if (!DRIVE_GetFreeSpace(drive, &size, &available)) return FALSE; |
| /*FIXME: Do we have the number of bytes available to the user? */ |
| if (totalfree) { |
| totalfree->HighPart = size.HighPart; |
| totalfree->LowPart = size.LowPart ; |
| } |
| if (avail) { |
| avail->HighPart = available.HighPart; |
| avail->LowPart = available.LowPart ; |
| } |
| return TRUE; |
| } |
| |
| /*********************************************************************** |
| * GetDiskFreeSpaceEx32W (KERNEL32.873) |
| */ |
| 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; |
| } |
| |
| /*********************************************************************** |
| * GetDriveType16 (KERNEL.136) |
| * This functions returns the drivetype of a drive in Win16. |
| * Note that it returns DRIVE_REMOTE for CD-ROMs, since MSCDEX uses the |
| * remote drive API. The returnvalue DRIVE_REMOTE for CD-ROMs has been |
| * verified on Win3.11 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 */ |
| ) { |
| TRACE_(dosfs)("(%c:)\n", 'A' + drive ); |
| switch(DRIVE_GetType(drive)) |
| { |
| case TYPE_FLOPPY: return DRIVE_REMOVABLE; |
| case TYPE_HD: return DRIVE_FIXED; |
| case TYPE_CDROM: return DRIVE_REMOTE; |
| case TYPE_NETWORK: return DRIVE_REMOTE; |
| case TYPE_INVALID: |
| default: return DRIVE_CANNOTDETERMINE; |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * GetDriveType32A (KERNEL32.208) |
| * |
| * 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 nonexistand 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 |
| * |
| * DRIVE_DOESNOTEXIST XXX Not valid return value |
| * DRIVE_CANNOTDETERMINE XXX Not valid return value |
| * |
| * BUGS |
| * |
| * Currently returns DRIVE_DOESNOTEXIST and DRIVE_CANNOTDETERMINE |
| * when it really should return DRIVE_NO_ROOT_DIR and DRIVE_UNKNOWN. |
| * Why where the former defines used? |
| * |
| * DRIVE_RAMDISK is unsupported. |
| */ |
| UINT WINAPI GetDriveTypeA(LPCSTR root /* String describing drive */) |
| { |
| int drive; |
| TRACE_(dosfs)("(%s)\n", debugstr_a(root)); |
| |
| if (NULL == root) drive = DRIVE_GetCurrentDrive(); |
| else |
| { |
| if ((root[1]) && (root[1] != ':')) |
| { |
| WARN_(dosfs)("invalid root '%s'\n", debugstr_a(root)); |
| return DRIVE_DOESNOTEXIST; |
| } |
| drive = toupper(root[0]) - 'A'; |
| } |
| switch(DRIVE_GetType(drive)) |
| { |
| case TYPE_FLOPPY: return DRIVE_REMOVABLE; |
| case TYPE_HD: return DRIVE_FIXED; |
| case TYPE_CDROM: return DRIVE_CDROM; |
| case TYPE_NETWORK: return DRIVE_REMOTE; |
| case TYPE_INVALID: return DRIVE_DOESNOTEXIST; |
| default: return DRIVE_CANNOTDETERMINE; |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * GetDriveType32W (KERNEL32.209) |
| */ |
| UINT WINAPI GetDriveTypeW( LPCWSTR root ) |
| { |
| LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, root ); |
| UINT ret = GetDriveTypeA( xpath ); |
| HeapFree( GetProcessHeap(), 0, xpath ); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * GetCurrentDirectory16 (KERNEL.411) |
| */ |
| UINT16 WINAPI GetCurrentDirectory16( UINT16 buflen, LPSTR buf ) |
| { |
| return (UINT16)GetCurrentDirectoryA( buflen, buf ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetCurrentDirectory32A (KERNEL32.196) |
| * |
| * Returns "X:\\path\\etc\\". |
| * |
| * Despite the API description, return required length including the |
| * terminating null when buffer too small. This is the real behaviour. |
| */ |
| UINT WINAPI GetCurrentDirectoryA( 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( 4, buflen ) ); |
| if (buflen) buf[0] += DRIVE_GetCurrentDrive(); |
| if (buflen > 3) lstrcpynA( buf + 3, s, buflen - 3 ); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * GetCurrentDirectory32W (KERNEL32.197) |
| */ |
| UINT WINAPI GetCurrentDirectoryW( UINT buflen, LPWSTR buf ) |
| { |
| LPSTR xpath = HeapAlloc( GetProcessHeap(), 0, buflen+1 ); |
| UINT ret = GetCurrentDirectoryA( buflen, xpath ); |
| lstrcpyAtoW( buf, xpath ); |
| HeapFree( GetProcessHeap(), 0, xpath ); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * SetCurrentDirectory (KERNEL.412) |
| */ |
| BOOL16 WINAPI SetCurrentDirectory16( LPCSTR dir ) |
| { |
| return SetCurrentDirectoryA( dir ); |
| } |
| |
| |
| /*********************************************************************** |
| * SetCurrentDirectory32A (KERNEL32.479) |
| */ |
| BOOL WINAPI SetCurrentDirectoryA( LPCSTR dir ) |
| { |
| int olddrive, drive = DRIVE_GetCurrentDrive(); |
| |
| if (!dir) { |
| ERR_(file)("(NULL)!\n"); |
| return FALSE; |
| } |
| if (dir[0] && (dir[1]==':')) |
| { |
| drive = tolower( *dir ) - 'a'; |
| dir += 2; |
| } |
| |
| /* WARNING: we need to set the drive before the dir, as DRIVE_Chdir |
| sets pTask->curdir only if pTask->curdrive is drive */ |
| olddrive = drive; /* in case DRIVE_Chdir fails */ |
| 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; |
| } |
| |
| |
| /*********************************************************************** |
| * SetCurrentDirectory32W (KERNEL32.480) |
| */ |
| BOOL WINAPI SetCurrentDirectoryW( LPCWSTR dirW ) |
| { |
| LPSTR dir = HEAP_strdupWtoA( GetProcessHeap(), 0, dirW ); |
| BOOL res = SetCurrentDirectoryA( dir ); |
| HeapFree( GetProcessHeap(), 0, dir ); |
| return res; |
| } |
| |
| |
| /*********************************************************************** |
| * GetLogicalDriveStrings32A (KERNEL32.231) |
| */ |
| 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 * sizeof(char) <= 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 * sizeof(char); |
| } |
| |
| |
| /*********************************************************************** |
| * GetLogicalDriveStrings32W (KERNEL32.232) |
| */ |
| 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 (KERNEL32.233) |
| */ |
| DWORD WINAPI GetLogicalDrives(void) |
| { |
| DWORD ret = 0; |
| int drive; |
| |
| for (drive = 0; drive < MAX_DOS_DRIVES; drive++) |
| if (DRIVE_IsValid(drive)) ret |= (1 << drive); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * GetVolumeInformation32A (KERNEL32.309) |
| */ |
| 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, SetLastErrors missing */ |
| |
| if (!root) drive = DRIVE_GetCurrentDrive(); |
| else |
| { |
| if ((root[1]) && (root[1] != ':')) |
| { |
| WARN_(dosfs)("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 ); |
| for (cp = label; *cp; cp++); |
| 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 the 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 (DRIVE_GetType(drive)==TYPE_CDROM) |
| lstrcpynA( fsname, "CDFS", fsname_len ); |
| else |
| lstrcpynA( fsname, "FAT", fsname_len ); |
| } |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * GetVolumeInformation32W (KERNEL32.310) |
| */ |
| 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) lstrcpyAtoW( label, xvolname ); |
| if (fsname) lstrcpyAtoW( fsname, xfsname ); |
| } |
| HeapFree( GetProcessHeap(), 0, xroot ); |
| HeapFree( GetProcessHeap(), 0, xvolname ); |
| HeapFree( GetProcessHeap(), 0, xfsname ); |
| return ret; |
| } |
| |
| BOOL WINAPI SetVolumeLabelA(LPCSTR rootpath,LPCSTR volname) { |
| FIXME_(dosfs)("(%s,%s),stub!\n",rootpath,volname); |
| return TRUE; |
| } |
