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winedos: Use NT instead of Unix calls to identify DOS device pseudo-files.

This commit is contained in:
Alexandre Julliard 2006-10-31 20:24:14 +01:00
parent 7472ffd8d2
commit d2abcecd94
1 changed files with 15 additions and 21 deletions
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36
dlls/winedos/int21.c
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@ -267,8 +267,7 @@ struct magic_device
{
WCHAR name[10];
HANDLE handle;
dev_t dev;
ino_t ino;
LARGE_INTEGER index;
void (*ioctl_handler)(CONTEXT86 *);
};
@ -278,9 +277,9 @@ static void INT21_IoctlHPScanHandler( CONTEXT86 * );
static struct magic_device magic_devices[] =
{
{ {'s','c','s','i','m','g','r','$',0}, NULL, 0, 0, INT21_IoctlScsiMgrHandler },
{ {'e','m','m','x','x','x','x','0',0}, NULL, 0, 0, INT21_IoctlEMSHandler },
{ {'h','p','s','c','a','n',0}, NULL, 0, 0, INT21_IoctlHPScanHandler },
{ {'s','c','s','i','m','g','r','$',0}, NULL, { { 0, 0 } }, INT21_IoctlScsiMgrHandler },
{ {'e','m','m','x','x','x','x','0',0}, NULL, { { 0, 0 } }, INT21_IoctlEMSHandler },
{ {'h','p','s','c','a','n',0}, NULL, { { 0, 0 } }, INT21_IoctlHPScanHandler },
};
#define NB_MAGIC_DEVICES (sizeof(magic_devices)/sizeof(magic_devices[0]))
@ -911,15 +910,13 @@ static HANDLE INT21_OpenMagicDevice( LPCWSTR name, DWORD access )
if (!magic_devices[i].handle) /* need to open it */
{
int fd;
struct stat st;
IO_STATUS_BLOCK io;
FILE_INTERNAL_INFORMATION info;
if (!(handle = INT21_CreateMagicDeviceHandle( magic_devices[i].name ))) return 0;
wine_server_handle_to_fd( handle, 0, &fd, NULL );
fstat( fd, &st );
wine_server_release_fd( handle, fd );
magic_devices[i].dev = st.st_dev;
magic_devices[i].ino = st.st_ino;
NtQueryInformationFile( handle, &io, &info, sizeof(info), FileInternalInformation );
magic_devices[i].index = info.IndexNumber;
magic_devices[i].handle = handle;
}
if (!DuplicateHandle( GetCurrentProcess(), magic_devices[i].handle,
@ -2732,12 +2729,13 @@ static void INT21_IoctlHPScanHandler( CONTEXT86 *context )
*/
static void INT21_Ioctl_Char( CONTEXT86 *context )
{
struct stat st;
int status, i, fd;
int status, i;
int IsConsoleIOHandle = 0;
IO_STATUS_BLOCK io;
FILE_INTERNAL_INFORMATION info;
HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
status = wine_server_handle_to_fd( handle, 0, &fd, NULL );
status = NtQueryInformationFile( handle, &io, &info, sizeof(info), FileInternalInformation );
if (status)
{
if( VerifyConsoleIoHandle( handle))
@ -2748,14 +2746,10 @@ static void INT21_Ioctl_Char( CONTEXT86 *context )
return;
}
} else {
fstat( fd, &st );
IsConsoleIOHandle = isatty( fd);
wine_server_release_fd( handle, fd );
for (i = 0; i < NB_MAGIC_DEVICES; i++)
{
if (!magic_devices[i].handle) continue;
if (magic_devices[i].dev == st.st_dev &&
magic_devices[i].ino == st.st_ino)
if (magic_devices[i].index.QuadPart == info.IndexNumber.QuadPart)
{
/* found it */
magic_devices[i].ioctl_handler( context );
@ -2770,7 +2764,7 @@ static void INT21_Ioctl_Char( CONTEXT86 *context )
{
case 0x00: /* GET DEVICE INFORMATION */
TRACE( "IOCTL - GET DEVICE INFORMATION - %d\n", BX_reg(context) );
if (IsConsoleIOHandle || S_ISCHR(st.st_mode))
if (IsConsoleIOHandle || GetFileType(handle) == FILE_TYPE_CHAR)
{
/*
* Returns attribute word in DX: