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Better support for device handles in NtQueryVolumeInformationFile.

This commit is contained in:
Alexandre Julliard 2004-04-07 03:58:55 +00:00
parent c7c9f93913
commit 0adec9a7c1
1 changed files with 81 additions and 33 deletions
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114
dlls/ntdll/file.c
View File

@ -30,6 +30,9 @@
#ifdef HAVE_SYS_ERRNO_H
#include <sys/errno.h>
#endif
#ifdef HAVE_LINUX_MAJOR_H
# include <linux/major.h>
#endif
#ifdef HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
#endif
@ -963,6 +966,7 @@ NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io
FS_INFORMATION_CLASS info_class )
{
int fd;
struct stat st;
if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL, NULL )) != STATUS_SUCCESS)
return io->u.Status;
@ -984,15 +988,25 @@ NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io
else
{
FILE_FS_SIZE_INFORMATION *info = buffer;
struct statvfs st;
struct statvfs stvfs;
if (fstatvfs( fd, &st ) < 0) io->u.Status = FILE_GetNtStatus();
if (fstat( fd, &st ) < 0)
{
io->u.Status = FILE_GetNtStatus();
break;
}
if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
{
io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
break;
}
if (fstatvfs( fd, &stvfs ) < 0) io->u.Status = FILE_GetNtStatus();
else
{
info->TotalAllocationUnits.QuadPart = st.f_blocks;
info->AvailableAllocationUnits.QuadPart = st.f_bavail;
info->TotalAllocationUnits.QuadPart = stvfs.f_blocks;
info->AvailableAllocationUnits.QuadPart = stvfs.f_bavail;
info->SectorsPerAllocationUnit = 1;
info->BytesPerSector = st.f_frsize;
info->BytesPerSector = stvfs.f_frsize;
io->Information = sizeof(*info);
io->u.Status = STATUS_SUCCESS;
}
@ -1006,40 +1020,74 @@ NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io
FILE_FS_DEVICE_INFORMATION *info = buffer;
#if defined(linux) && defined(HAVE_FSTATFS)
struct stat st;
struct statfs stfs;
info->DeviceType = FILE_DEVICE_DISK;
info->Characteristics = 0;
if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
switch (stfs.f_type)
if (fstat( fd, &st ) < 0)
{
case 0x9660: /* iso9660 */
case 0x15013346: /* udf */
info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
info->Characteristics = FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
break;
case 0x6969: /* nfs */
case 0x517B: /* smbfs */
case 0x564c: /* ncpfs */
info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
info->Characteristics = FILE_REMOTE_DEVICE;
break;
case 0x01021994: /* tmpfs */
case 0x28cd3d45: /* cramfs */
case 0x1373: /* devfs */
case 0x9fa0: /* procfs */
info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
info->Characteristics = 0;
break;
default:
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
info->Characteristics = 0;
io->u.Status = FILE_GetNtStatus();
break;
}
/* check for floppy disk */
if (!fstat( fd, &st ) && major(st.st_dev) == 2 /*FLOPPY_MAJOR*/)
info->Characteristics |= FILE_REMOVABLE_MEDIA;
if (S_ISCHR( st.st_mode ))
{
switch(major(st.st_rdev))
{
case MEM_MAJOR:
info->DeviceType = FILE_DEVICE_NULL;
break;
case TTY_MAJOR:
info->DeviceType = FILE_DEVICE_SERIAL_PORT;
break;
case LP_MAJOR:
info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
break;
default:
info->DeviceType = FILE_DEVICE_UNKNOWN;
break;
}
}
else if (S_ISBLK( st.st_mode ))
{
info->DeviceType = FILE_DEVICE_DISK;
}
else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
{
info->DeviceType = FILE_DEVICE_NAMED_PIPE;
}
else /* regular file or directory */
{
info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
/* check for floppy disk */
if (major(st.st_dev) == FLOPPY_MAJOR)
info->Characteristics |= FILE_REMOVABLE_MEDIA;
if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
switch (stfs.f_type)
{
case 0x9660: /* iso9660 */
case 0x15013346: /* udf */
info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
break;
case 0x6969: /* nfs */
case 0x517B: /* smbfs */
case 0x564c: /* ncpfs */
info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
info->Characteristics |= FILE_REMOTE_DEVICE;
break;
case 0x01021994: /* tmpfs */
case 0x28cd3d45: /* cramfs */
case 0x1373: /* devfs */
case 0x9fa0: /* procfs */
info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
break;
default:
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
break;
}
}
#else
static int warned;
if (!warned++) FIXME( "device info not supported on this platform\n" );