mirror of
git://sourceware.org/git/newlib-cygwin.git
synced 2025-01-19 04:49:25 +08:00
* autoload.cc: Add load statement for `NtOpenFile'.
* fhandler.h (fhandler_dev_raw::get_unit): New method. (fhandler_dev_tape::norewind): Eliminate. (fhandler_dev_tape::is_rewind_device): New method. * fhandler_raw.cc (fhandler_dev_raw::open): Open new fixed device name devices using NT internal method. Keep calling fhandler_base::open() for old mount table device mapping compatibility devices. (fhandler_dev_raw::fstat): Eliminate. Settings are done by fhandler_base::fstat() already. * fhandler_tape.cc: Remove `norewind' usage throughout. * ntdll.h: Define FILE_SYNCHRONOUS_IO_NONALERT. Define struct _IO_STATUS_BLOCK. Declare NtOpenFile(). * path.cc (get_raw_device_number): Add new approach for using fixed device names. (win32_device_name): Ditto. (get_device_number): Ditto. Require POSIX path to begin with "/dev/". (mount_info::conv_to_win32_path): Call win32_device_name() instead of get_device_number() after evaluating mount points to allow changing the win32 destination path again. * security.cc (str2buf2uni): Remove `static' to be able to call function from fhandler_dev_raw::open(). * wincap.cc: Set flag has_raw_devices appropriately. * wincap.h: Add flag has_raw_devices.
This commit is contained in:
Corinna Vinschen
parent
2ac3bab68d
commit
990690655c
@ -1,3 +1,32 @@
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2001-10-16 Corinna Vinschen <corinna@vinschen.de>
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* autoload.cc: Add load statement for `NtOpenFile'.
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* fhandler.h (fhandler_dev_raw::get_unit): New method.
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(fhandler_dev_tape::norewind): Eliminate.
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(fhandler_dev_tape::is_rewind_device): New method.
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* fhandler_raw.cc (fhandler_dev_raw::open): Open new
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fixed device name devices using NT internal method.
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Keep calling fhandler_base::open() for old mount table
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device mapping compatibility devices.
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(fhandler_dev_raw::fstat): Eliminate. Settings are done
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by fhandler_base::fstat() already.
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* fhandler_tape.cc: Remove `norewind' usage throughout.
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* ntdll.h: Define FILE_SYNCHRONOUS_IO_NONALERT.
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Define struct _IO_STATUS_BLOCK.
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Declare NtOpenFile().
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* path.cc (get_raw_device_number): Add new approach for
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using fixed device names.
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(win32_device_name): Ditto.
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(get_device_number): Ditto. Require POSIX path to begin
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with "/dev/".
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(mount_info::conv_to_win32_path): Call win32_device_name()
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instead of get_device_number() after evaluating mount points
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to allow changing the win32 destination path again.
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* security.cc (str2buf2uni): Remove `static' to be able to
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call function from fhandler_dev_raw::open().
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* wincap.cc: Set flag has_raw_devices appropriately.
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* wincap.h: Add flag has_raw_devices.
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2001-10-16 Christopher Faylor <cgf@redhat.com>
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* cygheap.h (cygheap_fdget::cygheap_fdget): Remove debugging operation
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@ -373,6 +373,7 @@ LoadDLLfunc (NetWkstaUserGetInfo, 12, netapi32)
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LoadDLLfuncEx (NtCreateToken, 52, ntdll, 1)
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LoadDLLfuncEx (NtMapViewOfSection, 40, ntdll, 1)
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LoadDLLfuncEx (NtOpenFile, 24, ntdll, 1)
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LoadDLLfuncEx (NtOpenSection, 12, ntdll, 1)
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LoadDLLfuncEx (NtQuerySystemInformation, 16, ntdll, 1)
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LoadDLLfuncEx (NtUnmapViewOfSection, 8, ntdll, 1)
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@ -476,14 +476,14 @@ protected:
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public:
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~fhandler_dev_raw (void);
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int get_unit () { return unit; }
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int open (path_conv *, int flags, mode_t mode = 0);
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int close (void);
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int raw_read (void *ptr, size_t ulen);
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int raw_write (const void *ptr, size_t ulen);
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int __stdcall fstat (struct stat *buf, path_conv *) __attribute__ ((regparm (2)));
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int dup (fhandler_base *child);
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int ioctl (unsigned int cmd, void *buf);
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@ -511,9 +511,10 @@ public:
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class fhandler_dev_tape: public fhandler_dev_raw
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{
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int norewind;
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int lasterr;
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bool is_rewind_device () { return get_unit () < 128; }
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protected:
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virtual void clear (void);
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@ -16,6 +16,7 @@
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#include <cygwin/rdevio.h>
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#include <sys/mtio.h>
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#include <ntdef.h>
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#include "cygerrno.h"
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#include "perprocess.h"
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#include "security.h"
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@ -23,6 +24,7 @@
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#include "path.h"
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#include "dtable.h"
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#include "cygheap.h"
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#include "ntdll.h"
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/* static wrapper functions to hide the effect of media changes and
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bus resets which occurs after a new media is inserted. This is
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@ -132,22 +134,69 @@ fhandler_dev_raw::~fhandler_dev_raw (void)
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}
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int
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fhandler_dev_raw::open (path_conv *, int flags, mode_t)
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fhandler_dev_raw::open (path_conv *real_path, int flags, mode_t)
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{
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int ret;
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if (!wincap.has_raw_devices ())
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{
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set_errno (ENOENT);
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debug_printf("%s is accessible under NT/W2K only",real_path->get_win32());
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return 0;
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}
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/* Check for illegal flags. */
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if (flags & (O_APPEND | O_EXCL))
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{
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set_errno (EINVAL);
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return 0;
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}
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/* Always open a raw device existing and binary. */
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flags &= ~(O_CREAT | O_TRUNC);
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flags |= O_BINARY;
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ret = fhandler_base::open (NULL, flags);
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if (ret)
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if (get_device () == FH_FLOPPY && get_unit () >= 224)
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{
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if (devbufsiz > 1L)
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devbuf = new char [devbufsiz];
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/* Compatibility mode for old mount table device mapping. */
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if (!fhandler_base::open (real_path, flags))
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return 0;
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}
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else
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devbufsiz = 0;
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return ret;
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{
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DWORD access = GENERIC_READ | SYNCHRONIZE;
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if (get_device () == FH_TAPE
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|| (flags & (O_RDONLY | O_WRONLY | O_RDWR)) == O_WRONLY
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|| (flags & (O_RDONLY | O_WRONLY | O_RDWR)) == O_RDWR)
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access |= GENERIC_WRITE;
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extern void str2buf2uni (UNICODE_STRING &, WCHAR *, const char *);
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UNICODE_STRING dev;
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WCHAR devname[MAX_PATH + 1];
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str2buf2uni (dev, devname, real_path->get_win32 ());
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OBJECT_ATTRIBUTES attr;
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InitializeObjectAttributes(&attr, &dev, OBJ_CASE_INSENSITIVE, NULL, NULL);
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HANDLE h;
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IO_STATUS_BLOCK io;
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NTSTATUS status = NtOpenFile (&h, access, &attr, &io, wincap.shared (),
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FILE_SYNCHRONOUS_IO_NONALERT);
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if (!NT_SUCCESS (status))
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{
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set_errno (RtlNtStatusToDosError (status));
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debug_printf ("NtOpenFile: NTSTATUS: %d, Win32: %E", status);
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return 0;
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}
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set_io_handle (h);
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set_flags (flags);
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}
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set_r_binary (O_BINARY);
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set_w_binary (O_BINARY);
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if (devbufsiz > 1L)
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devbuf = new char [devbufsiz];
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return 1;
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}
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int
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@ -156,15 +205,6 @@ fhandler_dev_raw::close (void)
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return fhandler_base::close ();
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}
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int
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fhandler_dev_raw::fstat (struct stat *buf, path_conv *pc)
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{
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this->fhandler_base::fstat (buf, pc);
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buf->st_blksize = devbuf ? devbufsiz : 1;
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return 0;
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}
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int
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fhandler_dev_raw::raw_read (void *ptr, size_t ulen)
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{
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@ -29,7 +29,6 @@ details. */
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void
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fhandler_dev_tape::clear (void)
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{
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norewind = 0;
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lasterr = 0;
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fhandler_dev_raw::clear ();
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}
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@ -66,7 +65,6 @@ fhandler_dev_tape::open (path_conv *real_path, int flags, mode_t)
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{
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int ret;
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norewind = (real_path->get_unitn () >= 128);
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devbufsiz = 1L;
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ret = fhandler_dev_raw::open (real_path, flags);
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@ -132,7 +130,7 @@ fhandler_dev_tape::close (void)
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// To protected reads on signaling (e.g. Ctrl-C)
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eof_detected = 1;
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if (! norewind)
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if (is_rewind_device ())
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{
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debug_printf ("rewinding\n");
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op.mt_op = MTREW;
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@ -153,7 +151,7 @@ fhandler_dev_tape::fstat (struct stat *buf, path_conv *pc)
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{
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int ret;
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if (!(ret = fhandler_dev_raw::fstat (buf, pc)))
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if (!(ret = fhandler_base::fstat (buf, pc)))
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{
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struct mtget get;
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@ -227,7 +225,6 @@ fhandler_dev_tape::dup (fhandler_base *child)
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{
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fhandler_dev_tape *fhc = (fhandler_dev_tape *) child;
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fhc->norewind = norewind;
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fhc->lasterr = lasterr;
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return fhandler_dev_raw::dup (child);
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}
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@ -9,6 +9,7 @@
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details. */
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#define STATUS_INFO_LENGTH_MISMATCH ((NTSTATUS) 0xc0000004)
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#define FILE_SYNCHRONOUS_IO_NONALERT 32
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typedef enum _SYSTEM_INFORMATION_CLASS
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{
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@ -132,6 +133,12 @@ typedef struct _SYSTEM_PROCESSES
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SYSTEM_THREADS Threads[1];
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} SYSTEM_PROCESSES, *PSYSTEM_PROCESSES;
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typedef struct _IO_STATUS_BLOCK
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{
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NTSTATUS Status;
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ULONG Information;
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} IO_STATUS_BLOCK, *PIO_STATUS_BLOCK;
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/* Function declarations for ntdll.dll. These don't appear in any
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standard Win32 header. */
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extern "C"
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@ -144,6 +151,8 @@ extern "C"
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NTSTATUS NTAPI NtMapViewOfSection (HANDLE, HANDLE, PVOID *, ULONG, ULONG,
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PLARGE_INTEGER, PULONG, SECTION_INHERIT,
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ULONG, ULONG);
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NTSTATUS NTAPI NtOpenFile (PHANDLE, ACCESS_MASK, POBJECT_ATTRIBUTES,
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PIO_STATUS_BLOCK, ULONG, ULONG);
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NTSTATUS NTAPI NtOpenSection (PHANDLE, ACCESS_MASK, POBJECT_ATTRIBUTES);
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NTSTATUS NTAPI NtQuerySystemInformation (SYSTEM_INFORMATION_CLASS,
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PVOID, ULONG, PULONG);
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@ -854,31 +854,112 @@ get_devn (const char *name, int &unit)
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return devn;
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}
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/*
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major minor POSIX filename NT filename
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----- ----- -------------- -------------------------
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FH_TAPE 0 /dev/st0 \device\tape0
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FH_TAPE 1 /dev/st1 \device\tape1
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...
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FH_TAPE 128 /dev/nst0 \device\tape0
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FH_TAPE 129 /dev/nst1 \device\tape1
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...
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FH_FLOPPY 0 /dev/fd0 \device\floppy0
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FH_FLOPPY 1 /dev/fd1 \device\floppy1
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...
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FH_FLOPPY 16 /dev/scd0 \device\cdrom0
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FH_FLOPPY 17 /dev/scd0 \device\cdrom1
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...
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FH_FLOPPY 32 /dev/sda \device\harddisk0\partition0
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FH_FLOPPY 33 /dev/sda1 \device\harddisk0\partition1
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...
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FH_FLOPPY 47 /dev/sda15 \device\harddisk0\partition15
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FH_FLOPPY 48 /dev/sdb \device\harddisk1\partition0
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FH_FLOPPY 33 /dev/sdb1 \device\harddisk1\partition1
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...
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FH_FLOPPY 208 /dev/sdl \device\harddisk11\partition0
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...
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FH_FLOPPY 223 /dev/sdl15 \device\harddisk11\partition15
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The following are needed to maintain backward compatibility with
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the old Win32 partitioning scheme on W2K/XP.
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FH_FLOPPY 224 from mount tab \\.\A:
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...
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FH_FLOPPY 250 from mount tab \\.\Z:
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*/
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static int
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get_raw_device_number (const char *unix_path, const char *w32_path, int &unit)
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get_raw_device_number (const char *name, const char *w32_path, int &unit)
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{
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int devn;
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w32_path += 4;
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if (wdeveqn ("tape", 4))
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DWORD devn = FH_BAD;
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if (!w32_path) /* New approach using fixed device names. */
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{
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unit = digits (w32_path + 4);
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// norewind tape devices have leading n in name
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if (udeveqn ("/dev/n", 6))
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unit += 128;
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devn = FH_TAPE;
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if (deveqn ("st", 2))
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{
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unit = digits (name + 2);
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if (unit >= 0 && unit < 128)
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devn = FH_TAPE;
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}
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else if (deveqn ("nst", 3))
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{
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unit = digits (name + 3) + 128;
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if (unit >= 128 && unit < 256)
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devn = FH_TAPE;
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}
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else if (deveqn ("fd", 2))
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{
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unit = digits (name + 2);
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if (unit >= 0 && unit < 16)
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devn = FH_FLOPPY;
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}
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else if (deveqn ("scd", 3))
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{
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unit = digits (name + 3) + 16;
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if (unit >= 16 && unit < 32)
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devn = FH_FLOPPY;
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}
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else if (deveqn ("sd", 2) && isalpha (name[2]))
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{
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unit = (cyg_tolower (name[2]) - 'a') * 16 + 32;
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if (unit >= 32 && unit < 224)
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if (!name[3])
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devn = FH_FLOPPY;
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else
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{
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int d = digits (name + 3);
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if (d >= 1 && d < 16)
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{
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unit += d;
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devn = FH_FLOPPY;
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}
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}
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}
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}
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else if (isdrive (w32_path))
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else /* Backward compatible checking of mount table device mapping. */
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{
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unit = cyg_tolower (w32_path[0]) - 'a';
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devn = FH_FLOPPY;
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if (wdeveqn ("tape", 4))
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{
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unit = digits (w32_path + 4);
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/* Norewind tape devices have leading n in name. */
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if (deveqn ("n", 1))
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unit += 128;
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devn = FH_TAPE;
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}
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else if (wdeveqn ("physicaldrive", 13))
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{
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unit = digits (w32_path + 13) * 16 + 32;
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devn = FH_FLOPPY;
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}
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else if (isdrive (w32_path))
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{
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unit = cyg_tolower (w32_path[0]) - 'a' + 224;
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devn = FH_FLOPPY;
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}
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}
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else if (wdeveqn ("physicaldrive", 13))
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{
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unit = digits (w32_path + 13) + 128;
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devn = FH_FLOPPY;
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}
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else
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devn = FH_BAD;
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return devn;
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}
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@ -892,15 +973,18 @@ get_device_number (const char *unix_path, const char *w32_path, int &unit)
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unit = 0;
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if (*unix_path == '/' && udeveqn ("/dev/", 5))
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devn = get_devn (unix_path, unit);
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if (devn == FH_BAD && *w32_path == '\\' && wdeveqn ("\\dev\\", 5))
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devn = get_devn (w32_path, unit);
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if (devn == FH_BAD && udeveqn ("com", 3)
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&& (unit = digits (unix_path + 3)) >= 0)
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devn = FH_SERIAL;
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else if (strncmp (w32_path, "\\\\.\\", 4) == 0)
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devn = get_raw_device_number (unix_path, w32_path, unit);
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{
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devn = get_devn (unix_path, unit);
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if (devn == FH_BAD && *w32_path == '\\' && wdeveqn ("\\dev\\", 5))
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devn = get_devn (w32_path, unit);
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if (devn == FH_BAD && udeveqn ("com", 3)
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&& (unit = digits (unix_path + 3)) >= 0)
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devn = FH_SERIAL;
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if (devn == FH_BAD && wdeveqn ("\\\\.\\", 4))
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devn = get_raw_device_number (unix_path + 5, w32_path + 4, unit);
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if (devn == FH_BAD)
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devn = get_raw_device_number (unix_path + 5, NULL, unit);
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}
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return devn;
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}
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@ -913,17 +997,36 @@ win32_device_name (const char *src_path, char *win32_path,
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{
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const char *devfmt;
|
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devn = get_device_number (src_path, "", unit);
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devn = get_device_number (src_path, win32_path, unit);
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|
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if (devn == FH_BAD)
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return FALSE;
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if ((devfmt = windows_device_names[FHDEVN (devn)]) == NULL)
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return FALSE;
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if (devn == FH_RANDOM)
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__small_sprintf (win32_path, devfmt, unit == 8 ? "" : "u");
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else
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__small_sprintf (win32_path, devfmt, unit);
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switch (devn)
|
||||
{
|
||||
case FH_RANDOM:
|
||||
__small_sprintf (win32_path, devfmt, unit == 8 ? "" : "u");
|
||||
break;
|
||||
case FH_TAPE:
|
||||
__small_sprintf (win32_path, "\\device\\tape%d", unit % 128);
|
||||
break;
|
||||
case FH_FLOPPY:
|
||||
if (unit < 16)
|
||||
__small_sprintf (win32_path, "\\device\\floppy%d", unit);
|
||||
else if (unit < 32)
|
||||
__small_sprintf (win32_path, "\\device\\cdrom%d", unit - 16);
|
||||
else if (unit < 224)
|
||||
__small_sprintf (win32_path, "\\device\\harddisk%d\\partition%d",
|
||||
(unit - 32) / 16, unit % 16);
|
||||
else
|
||||
__small_sprintf (win32_path, "\\\\.\\%c:", unit - 224 + 'A');
|
||||
break;
|
||||
default:
|
||||
__small_sprintf (win32_path, devfmt, unit);
|
||||
break;
|
||||
}
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
@ -1335,7 +1438,7 @@ mount_info::conv_to_win32_path (const char *src_path, char *dst,
|
||||
*flags = mi->flags;
|
||||
}
|
||||
|
||||
devn = get_device_number (src_path, dst, unit);
|
||||
win32_device_name (src_path, dst, devn, unit);
|
||||
|
||||
out:
|
||||
MALLOC_CHECK;
|
||||
|
||||
@ -157,7 +157,7 @@ str2buf2lsa (LSA_STRING &tgt, char *buf, const char *srcstr)
|
||||
memcpy(buf, srcstr, tgt.MaximumLength);
|
||||
}
|
||||
|
||||
static void
|
||||
void
|
||||
str2buf2uni (UNICODE_STRING &tgt, WCHAR *buf, const char *srcstr)
|
||||
{
|
||||
tgt.Length = strlen (srcstr) * sizeof (WCHAR);
|
||||
|
||||
@ -43,6 +43,7 @@ static NO_COPY wincaps wincap_unknown = {
|
||||
has_negative_pids:false,
|
||||
has_unreliable_pipes:false,
|
||||
has_try_enter_critical_section:false,
|
||||
has_raw_devices:false,
|
||||
has_valid_processorlevel:false,
|
||||
};
|
||||
|
||||
@ -78,6 +79,7 @@ static NO_COPY wincaps wincap_95 = {
|
||||
has_negative_pids:true,
|
||||
has_unreliable_pipes:true,
|
||||
has_try_enter_critical_section:false,
|
||||
has_raw_devices:false,
|
||||
has_valid_processorlevel:false,
|
||||
};
|
||||
|
||||
@ -113,6 +115,7 @@ static NO_COPY wincaps wincap_95osr2 = {
|
||||
has_negative_pids:true,
|
||||
has_unreliable_pipes:true,
|
||||
has_try_enter_critical_section:false,
|
||||
has_raw_devices:false,
|
||||
has_valid_processorlevel:false,
|
||||
};
|
||||
|
||||
@ -148,6 +151,7 @@ static NO_COPY wincaps wincap_98 = {
|
||||
has_negative_pids:true,
|
||||
has_unreliable_pipes:true,
|
||||
has_try_enter_critical_section:false,
|
||||
has_raw_devices:false,
|
||||
has_valid_processorlevel:true,
|
||||
};
|
||||
|
||||
@ -183,6 +187,7 @@ static NO_COPY wincaps wincap_98se = {
|
||||
has_negative_pids:true,
|
||||
has_unreliable_pipes:true,
|
||||
has_try_enter_critical_section:false,
|
||||
has_raw_devices:false,
|
||||
has_valid_processorlevel:true,
|
||||
};
|
||||
|
||||
@ -218,6 +223,7 @@ static NO_COPY wincaps wincap_me = {
|
||||
has_negative_pids:true,
|
||||
has_unreliable_pipes:true,
|
||||
has_try_enter_critical_section:false,
|
||||
has_raw_devices:false,
|
||||
has_valid_processorlevel:true,
|
||||
};
|
||||
|
||||
@ -253,6 +259,7 @@ static NO_COPY wincaps wincap_nt3 = {
|
||||
has_negative_pids:false,
|
||||
has_unreliable_pipes:false,
|
||||
has_try_enter_critical_section:false,
|
||||
has_raw_devices:true,
|
||||
has_valid_processorlevel:true,
|
||||
};
|
||||
|
||||
@ -288,6 +295,7 @@ static NO_COPY wincaps wincap_nt4 = {
|
||||
has_negative_pids:false,
|
||||
has_unreliable_pipes:false,
|
||||
has_try_enter_critical_section:true,
|
||||
has_raw_devices:true,
|
||||
has_valid_processorlevel:true,
|
||||
};
|
||||
|
||||
@ -323,6 +331,7 @@ static NO_COPY wincaps wincap_nt4sp4 = {
|
||||
has_negative_pids:false,
|
||||
has_unreliable_pipes:false,
|
||||
has_try_enter_critical_section:true,
|
||||
has_raw_devices:true,
|
||||
has_valid_processorlevel:true,
|
||||
};
|
||||
|
||||
@ -358,6 +367,7 @@ static NO_COPY wincaps wincap_2000 = {
|
||||
has_negative_pids:false,
|
||||
has_unreliable_pipes:false,
|
||||
has_try_enter_critical_section:true,
|
||||
has_raw_devices:true,
|
||||
has_valid_processorlevel:true,
|
||||
};
|
||||
|
||||
@ -393,6 +403,7 @@ static NO_COPY wincaps wincap_xp = {
|
||||
has_negative_pids:false,
|
||||
has_unreliable_pipes:false,
|
||||
has_try_enter_critical_section:true,
|
||||
has_raw_devices:true,
|
||||
has_valid_processorlevel:true,
|
||||
};
|
||||
|
||||
|
||||
@ -44,6 +44,7 @@ struct wincaps
|
||||
unsigned has_negative_pids : 1;
|
||||
unsigned has_unreliable_pipes : 1;
|
||||
unsigned has_try_enter_critical_section : 1;
|
||||
unsigned has_raw_devices : 1;
|
||||
unsigned has_valid_processorlevel : 1;
|
||||
};
|
||||
|
||||
@ -93,6 +94,7 @@ public:
|
||||
bool IMPLEMENT (has_negative_pids)
|
||||
bool IMPLEMENT (has_unreliable_pipes)
|
||||
bool IMPLEMENT (has_try_enter_critical_section)
|
||||
bool IMPLEMENT (has_raw_devices)
|
||||
bool IMPLEMENT (has_valid_processorlevel)
|
||||
|
||||
#undef IMPLEMENT
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user