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* fhandler.cc(fhandler_base::open): Open with READ_CONTROL only in 

case of query_open flag set to query_read_control.  Add case for
	new query_read_attributes flag.
	(fhandler_base::fstatvfs): New method.
	* fhandler.h (enum query_state): Add query_read_attributes flag.
	(class fhandler_base): Declare new virtual fstatvfs method.
	(class fhandler_socket): Ditto.
	(class fhandler_pipe): Ditto.
	(class fhandler_fifo): Ditto.
	(class fhandler_disk_file): Ditto.
	(class fhandler_virtual): Ditto.
	* fhandler_disk_file.cc (fhandler_base::fstat_fs): Open with
	query_read_attributes instead of query_read_control.
	(fhandler_disk_file::fstatvfs): New method.
	(fhandler_disk_file::facl): Open with query_read_attributes instead of
	query_read_control.
	* fhandler_fifo.cc (fhandler_fifo::fstatvfs): New method.
	* fhandler_socket.cc (fhandler_socket::fstatvfs): New method.
	(fhandler_socket::fchmod): Return with EBADF in the default case.
	(fhandler_socket::fchown): Ditto.
	(fhandler_socket::facl): Ditto.
	* fhandler_virtual.cc (fhandler_virtual::fstatvfs): Ditto.
	* ntdll.h (struct _FILE_FS_ATTRIBUTE_INFORMATION): Define.
	(struct _FILE_FS_FULL_SIZE_INFORMATION): Define.
	* pipe.cc (fhandler_pipe::fstatvfs): New method.
	* syscalls.cc (fstatvfs): Just call the fhandler's fstatvfs.
	(statvfs): Ditto.
	(fstatfs): Call fstatvfs.
	(statfs): Drop EFAULT handling.
This commit is contained in:
Corinna Vinschen 2007-02-27 12:58:56 +00:00
parent 7706962caf
commit 3323df7e0e
10 changed files with 291 additions and 108 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,35 @@
2007-02-27 Corinna Vinschen <corinna@vinschen.de>
* fhandler.cc(fhandler_base::open): Open with READ_CONTROL only in
case of query_open flag set to query_read_control. Add case for
new query_read_attributes flag.
(fhandler_base::fstatvfs): New method.
* fhandler.h (enum query_state): Add query_read_attributes flag.
(class fhandler_base): Declare new virtual fstatvfs method.
(class fhandler_socket): Ditto.
(class fhandler_pipe): Ditto.
(class fhandler_fifo): Ditto.
(class fhandler_disk_file): Ditto.
(class fhandler_virtual): Ditto.
* fhandler_disk_file.cc (fhandler_base::fstat_fs): Open with
query_read_attributes instead of query_read_control.
(fhandler_disk_file::fstatvfs): New method.
(fhandler_disk_file::facl): Open with query_read_attributes instead of
query_read_control.
* fhandler_fifo.cc (fhandler_fifo::fstatvfs): New method.
* fhandler_socket.cc (fhandler_socket::fstatvfs): New method.
(fhandler_socket::fchmod): Return with EBADF in the default case.
(fhandler_socket::fchown): Ditto.
(fhandler_socket::facl): Ditto.
* fhandler_virtual.cc (fhandler_virtual::fstatvfs): Ditto.
* ntdll.h (struct _FILE_FS_ATTRIBUTE_INFORMATION): Define.
(struct _FILE_FS_FULL_SIZE_INFORMATION): Define.
* pipe.cc (fhandler_pipe::fstatvfs): New method.
* syscalls.cc (fstatvfs): Just call the fhandler's fstatvfs.
(statvfs): Ditto.
(fstatfs): Call fstatvfs.
(statfs): Drop EFAULT handling.
2007-02-26 Corinna Vinschen <corinna@vinschen.de>
* fhandler.cc (fhandler_base::fstat): Set all file times to arbitrary

15
winsup/cygwin/fhandler.cc
View File

@ -15,6 +15,7 @@ details. */
#include <sys/cygwin.h>
#include <sys/uio.h>
#include <sys/acl.h>
#include <sys/statvfs.h>
#include <signal.h>
#include "cygerrno.h"
#include "perprocess.h"
@ -486,6 +487,10 @@ fhandler_base::open (int flags, mode_t mode)
switch (query_open ())
{
case query_read_control:
access = READ_CONTROL;
create_options = FILE_OPEN_FOR_BACKUP_INTENT;
break;
case query_read_attributes:
access = READ_CONTROL | FILE_READ_ATTRIBUTES;
create_options = FILE_OPEN_FOR_BACKUP_INTENT;
break;
@ -1144,6 +1149,16 @@ fhandler_base::fstat (struct __stat64 *buf)
return 0;
}
int __stdcall
fhandler_base::fstatvfs (struct statvfs *sfs)
{
/* If we hit this base implementation, it's some device in /dev.
Just call statvfs on /dev for simplicity. */
path_conv pc ("/dev");
fhandler_disk_file fh (pc);
return fh.fstatvfs (sfs);
}
void
fhandler_base::init (HANDLE f, DWORD a, mode_t bin)
{

13
winsup/cygwin/fhandler.h
View File

@ -82,9 +82,10 @@ enum bg_check_types
enum query_state {
no_query = 0,
query_read_control = 1,
query_stat_control = 2,
query_write_control = 3,
query_write_attributes = 4
query_read_attributes = 2,
query_stat_control = 3,
query_write_control = 4,
query_write_attributes = 5
};
class fhandler_base
@ -276,6 +277,7 @@ class fhandler_base
__attribute__ ((regparm (3)));
int __stdcall fstat_by_handle (struct __stat64 *buf) __attribute__ ((regparm (2)));
int __stdcall fstat_by_name (struct __stat64 *buf) __attribute__ ((regparm (2)));
virtual int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
int utimes_fs (const struct timeval *) __attribute__ ((regparm (2)));
virtual int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
virtual int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
@ -506,6 +508,7 @@ class fhandler_socket: public fhandler_base
char *get_sun_path () {return sun_path;}
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
int __stdcall facl (int, int, __acl32 *) __attribute__ ((regparm (3)));
@ -540,6 +543,7 @@ public:
}
int dup (fhandler_base *child);
int ioctl (unsigned int cmd, void *);
int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
int __stdcall fadvise (_off64_t, _off64_t, int) __attribute__ ((regparm (3)));
int __stdcall ftruncate (_off64_t, bool) __attribute__ ((regparm (3)));
void fixup_in_child ();
@ -572,6 +576,7 @@ public:
void set_output_handle (HANDLE h) { output_handle = h; }
void set_use ();
int dup (fhandler_base *child);
int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
bool is_slow () {return true;}
void close_one_end ();
};
@ -692,6 +697,7 @@ class fhandler_disk_file: public fhandler_base
int __stdcall ftruncate (_off64_t, bool) __attribute__ ((regparm (3)));
int __stdcall link (const char *) __attribute__ ((regparm (2)));
int __stdcall utimes (const struct timeval *) __attribute__ ((regparm (2)));
int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
HANDLE mmap (caddr_t *addr, size_t len, int prot, int flags, _off64_t off);
int munmap (HANDLE h, caddr_t addr, size_t len);
@ -1228,6 +1234,7 @@ class fhandler_virtual : public fhandler_base
int open (int flags, mode_t mode = 0);
int close ();
int __stdcall fstat (struct stat *buf) __attribute__ ((regparm (2)));
int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
int __stdcall facl (int, int, __acl32 *) __attribute__ ((regparm (3)));

112
winsup/cygwin/fhandler_disk_file.cc
View File

@ -14,6 +14,7 @@ details. */
#include <stdlib.h>
#include <sys/cygwin.h>
#include <sys/acl.h>
#include <sys/statvfs.h>
#include <signal.h>
#include "cygerrno.h"
#include "perprocess.h"
@ -340,7 +341,7 @@ fhandler_base::fstat_fs (struct __stat64 *buf)
/* If we couldn't open the file, try a query open with no permissions.
This allows us to determine *some* things about the file, at least. */
pc.set_exec (0);
query_open (query_read_control);
query_open (query_read_attributes);
oret = open_fs (open_flags, 0);
}
@ -530,6 +531,111 @@ fhandler_disk_file::fstat (struct __stat64 *buf)
return fstat_fs (buf);
}
int __stdcall
fhandler_disk_file::fstatvfs (struct statvfs *sfs)
{
int ret = -1, oret = 0;
NTSTATUS status;
IO_STATUS_BLOCK io;
const size_t fvi_size = sizeof (FILE_FS_VOLUME_INFORMATION)
+ 256 * sizeof (WCHAR);
PFILE_FS_VOLUME_INFORMATION pfvi = (PFILE_FS_VOLUME_INFORMATION)
alloca (fvi_size);
const size_t fai_size = sizeof (FILE_FS_ATTRIBUTE_INFORMATION)
+ 256 * sizeof (WCHAR);
PFILE_FS_ATTRIBUTE_INFORMATION pfai = (PFILE_FS_ATTRIBUTE_INFORMATION)
alloca (fai_size);
FILE_FS_FULL_SIZE_INFORMATION full_fsi;
FILE_FS_SIZE_INFORMATION fsi;
if (!get_io_handle ())
{
query_open (query_read_control);
oret = open_fs (O_RDONLY | O_BINARY, 0);
if (!oret)
{
/* Can't open file. Try again with rootdir. */
char root[CYG_MAX_PATH];
if (!rootdir (get_win32_name (), root))
goto out;
pc.check (root, PC_SYM_NOFOLLOW);
oret = open_fs (O_RDONLY | O_BINARY, 0);
if (!oret)
goto out;
}
}
/* Get basic volume information. */
status = NtQueryVolumeInformationFile (get_handle (), &io, pfvi, fvi_size,
FileFsVolumeInformation);
if (!NT_SUCCESS (status))
{
__seterrno_from_nt_status (status);
goto out;
}
status = NtQueryVolumeInformationFile (get_handle (), &io, pfai, fai_size,
FileFsAttributeInformation);
if (!NT_SUCCESS (status))
{
__seterrno_from_nt_status (status);
goto out;
}
sfs->f_files = ULONG_MAX;
sfs->f_ffree = ULONG_MAX;
sfs->f_favail = ULONG_MAX;
sfs->f_fsid = pfvi->VolumeSerialNumber;
sfs->f_flag = pfai->FileSystemAttributes;
sfs->f_namemax = pfai->MaximumComponentNameLength;
/* Get allocation related information. Try to get "full" information
first, which is only available since W2K. If that fails, try to
retrieve normal allocation information. */
status = NtQueryVolumeInformationFile (get_handle (), &io, &full_fsi,
sizeof full_fsi,
FileFsFullSizeInformation);
if (NT_SUCCESS (status))
{
sfs->f_bsize = full_fsi.BytesPerSector * full_fsi.SectorsPerAllocationUnit;
sfs->f_frsize = sfs->f_bsize;
sfs->f_blocks = full_fsi.TotalAllocationUnits.LowPart;
sfs->f_bfree = full_fsi.ActualAvailableAllocationUnits.LowPart;
sfs->f_bavail = full_fsi.CallerAvailableAllocationUnits.LowPart;
if (sfs->f_bfree > sfs->f_bavail)
{
/* Quotas active. We can't trust TotalAllocationUnits. */
NTFS_VOLUME_DATA_BUFFER nvdb;
DWORD bytes;
if (!DeviceIoControl (get_handle (), FSCTL_GET_NTFS_VOLUME_DATA, NULL,
0, &nvdb, sizeof nvdb, &bytes, NULL))
debug_printf ("DeviceIoControl (%s) failed, %E", get_name ());
else
sfs->f_blocks = nvdb.TotalClusters.QuadPart;
}
ret = 0;
}
else
{
status = NtQueryVolumeInformationFile (get_handle (), &io, &fsi,
sizeof fsi, FileFsSizeInformation);
if (!NT_SUCCESS (status))
{
__seterrno_from_nt_status (status);
goto out;
}
sfs->f_bsize = fsi.BytesPerSector * fsi.SectorsPerAllocationUnit;
sfs->f_frsize = sfs->f_bsize;
sfs->f_blocks = fsi.TotalAllocationUnits.LowPart;
sfs->f_bfree = fsi.AvailableAllocationUnits.LowPart;
sfs->f_bavail = sfs->f_bfree;
ret = 0;
}
out:
if (oret)
close_fs ();
syscall_printf ("%d = fstatvfs (%s, %p)", ret, get_name (), sfs);
return ret;
}
int __stdcall
fhandler_disk_file::fchmod (mode_t mode)
{
@ -653,7 +759,7 @@ fhandler_disk_file::facl (int cmd, int nentries, __aclent32_t *aclbufp)
{
if (!get_io_handle ())
{
query_open (query_read_control);
query_open (query_read_attributes);
if (!(oret = open (O_BINARY, 0)))
return -1;
}
@ -687,7 +793,7 @@ fhandler_disk_file::facl (int cmd, int nentries, __aclent32_t *aclbufp)
{
if (!get_io_handle ())
{
query_open (cmd == SETACL ? query_write_control : query_read_control);
query_open (cmd == SETACL ? query_write_control : query_read_attributes);
if (!(oret = open (O_BINARY, 0)))
return -1;
}

18
winsup/cygwin/fhandler_fifo.cc
View File

@ -1,6 +1,6 @@
/* fhandler_fifo.cc - See fhandler.h for a description of the fhandler classes.
Copyright 2002, 2003, 2004, 2005, 2006 Red Hat, Inc.
Copyright 2002, 2003, 2004, 2005, 2006, 2007 Red Hat, Inc.
This file is part of Cygwin.
@ -12,6 +12,7 @@
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/statvfs.h>
#include "cygerrno.h"
#include "perprocess.h"
@ -238,3 +239,18 @@ fhandler_fifo::dup (fhandler_base *child)
}
return res;
}
int __stdcall
fhandler_fifo::fstatvfs (struct statvfs *sfs)
{
/* Call statvfs on parent dir. */
char *c, dir[CYG_MAX_PATH];
strcpy (dir, get_name ());
if ((c = strrchr (dir, '/')))
{
*c = '\0';
return statvfs (dir, sfs);
}
set_errno (EBADF);
return -1;
}

23
winsup/cygwin/fhandler_socket.cc
View File

@ -36,6 +36,7 @@
#include "wininfo.h"
#include <unistd.h>
#include <sys/acl.h>
#include <sys/statvfs.h>
#include "cygtls.h"
#include "cygwin/in6.h"
@ -666,6 +667,19 @@ fhandler_socket::fstat (struct __stat64 *buf)
return res;
}
int __stdcall
fhandler_socket::fstatvfs (struct statvfs *sfs)
{
if (get_device () == FH_UNIX)
{
fhandler_disk_file fh (pc);
fh.get_device () = FH_FS;
return fh.fstatvfs (sfs);
}
set_errno (EBADF);
return -1;
}
int
fhandler_socket::fchmod (mode_t mode)
{
@ -677,7 +691,8 @@ fhandler_socket::fchmod (mode_t mode)
SetFileAttributes (pc, GetFileAttributes (pc) | FILE_ATTRIBUTE_SYSTEM);
return ret;
}
return 0;
set_errno (EBADF);
return -1;
}
int
@ -688,7 +703,8 @@ fhandler_socket::fchown (__uid32_t uid, __gid32_t gid)
fhandler_disk_file fh (pc);
return fh.fchown (uid, gid);
}
return 0;
set_errno (EBADF);
return -1;
}
int
@ -699,7 +715,8 @@ fhandler_socket::facl (int cmd, int nentries, __aclent32_t *aclbufp)
fhandler_disk_file fh (pc);
return fh.facl (cmd, nentries, aclbufp);
}
return fhandler_base::facl (cmd, nentries, aclbufp);
set_errno (EBADF);
return -1;
}
int

14
winsup/cygwin/fhandler_virtual.cc
View File

@ -1,6 +1,6 @@
/* fhandler_virtual.cc: base fhandler class for virtual filesystems
Copyright 2002, 2003, 2004, 2005 Red Hat, Inc.
Copyright 2002, 2003, 2004, 2005, 2007 Red Hat, Inc.
This file is part of Cygwin.
@ -13,6 +13,7 @@ details. */
#include <stdlib.h>
#include <sys/cygwin.h>
#include <sys/acl.h>
#include <sys/statvfs.h>
#include "cygerrno.h"
#include "security.h"
#include "path.h"
@ -261,3 +262,14 @@ fhandler_virtual::facl (int cmd, int nentries, __aclent32_t *aclbufp)
}
return res;
}
int __stdcall
fhandler_virtual::fstatvfs (struct statvfs *sfs)
{
/* Virtual file system. Just return an empty buffer with a few values
set to something useful. Just as on Linux. */
memset (sfs, 0, sizeof (*sfs));
sfs->f_bsize = sfs->f_frsize = 4096;
sfs->f_namemax = NAME_MAX;
return 0;
}

17
winsup/cygwin/ntdll.h
View File

@ -590,6 +590,14 @@ typedef struct _FILE_COMPRESSION_INFORMATION
UCHAR ClusterSizeShift;
} FILE_COMPRESSION_INFORMATION, *PFILE_COMPRESSION_INFORMATION;
typedef struct _FILE_FS_ATTRIBUTE_INFORMATION
{
ULONG FileSystemAttributes;
ULONG MaximumComponentNameLength;
ULONG FileSystemNameLength;
WCHAR FileSystemName[1];
} FILE_FS_ATTRIBUTE_INFORMATION, *PFILE_FS_ATTRIBUTE_INFORMATION;
typedef struct _FILE_FS_VOLUME_INFORMATION
{
LARGE_INTEGER VolumeCreationTime;
@ -607,6 +615,15 @@ typedef struct _FILE_FS_SIZE_INFORMATION
ULONG BytesPerSector;
} FILE_FS_SIZE_INFORMATION, *PFILE_FS_SIZE_INFORMATION;
typedef struct _FILE_FS_FULL_SIZE_INFORMATION
{
LARGE_INTEGER TotalAllocationUnits;
LARGE_INTEGER CallerAvailableAllocationUnits;
LARGE_INTEGER ActualAvailableAllocationUnits;
ULONG SectorsPerAllocationUnit;
ULONG BytesPerSector;
} FILE_FS_FULL_SIZE_INFORMATION, *PFILE_FS_FULL_SIZE_INFORMATION;
typedef enum _FSINFOCLASS {
FileFsVolumeInformation = 1,
FileFsLabelInformation,

7
winsup/cygwin/pipe.cc
View File

@ -451,6 +451,13 @@ fhandler_pipe::ioctl (unsigned int cmd, void *p)
return 0;
}
int __stdcall
fhandler_pipe::fstatvfs (struct statvfs *sfs)
{
set_errno (EBADF);
return -1;
}
#define DEFAULT_PIPEBUFSIZE (16 * PIPE_BUF)
extern "C" int

148
winsup/cygwin/syscalls.cc
View File

@ -1841,113 +1841,56 @@ get_osfhandle (int fd)
}
extern "C" int
statvfs (const char *fname, struct statvfs *sfs)
fstatvfs (int fd, struct statvfs *sfs)
{
int ret = -1;
char root[CYG_MAX_PATH];
myfault efault;
if (efault.faulted (EFAULT))
return -1;
if (!*fname)
{
set_errno (ENOENT);
return -1;
}
syscall_printf ("statfs %s", fname);
if (!sfs)
{
set_errno (EFAULT);
return -1;
}
path_conv full_path (fname, PC_SYM_FOLLOW);
if (!full_path.rootdir (root))
{
set_errno (ENOTDIR);
return -1;
}
ULARGE_INTEGER availb, freeb, totalb;
DWORD spc, bps, availc, freec, totalc, vsn, maxlen, flags;
BOOL status, statusex;
/* GetDiskFreeSpaceEx must be called before GetDiskFreeSpace on
WinME, to avoid the MS KB 314417 bug */
statusex = GetDiskFreeSpaceEx (root, &availb, &totalb, &freeb);
status = GetDiskFreeSpace (root, &spc, &bps, &freec, &totalc);
if (status)
{
if (statusex)
{
availc = availb.QuadPart / (spc*bps);
totalc = totalb.QuadPart / (spc*bps);
freec = freeb.QuadPart / (spc*bps);
if (freec > availc)
{
/* Quotas active. We can't trust totalc. */
HANDLE hdl = CreateFile (full_path, READ_CONTROL,
FILE_SHARE_VALID_FLAGS, &sec_none_nih,
OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS, NULL);
if (hdl == INVALID_HANDLE_VALUE)
debug_printf ("CreateFile (%s) failed, %E", (char *) full_path);
else
{
NTFS_VOLUME_DATA_BUFFER nvdb;
DWORD bytes;
if (!DeviceIoControl (hdl, FSCTL_GET_NTFS_VOLUME_DATA, NULL,
0, &nvdb, sizeof nvdb, &bytes, NULL))
debug_printf ("DeviceIoControl (%s) failed, %E", (char *) full_path);
else
totalc = nvdb.TotalClusters.QuadPart;
CloseHandle (hdl);
}
}
}
else
availc = freec;
if (GetVolumeInformation (root, NULL, 0, &vsn, &maxlen, &flags, NULL, 0))
{
sfs->f_bsize = spc*bps;
sfs->f_frsize = spc*bps;
sfs->f_blocks = totalc;
sfs->f_bfree = freec;
sfs->f_bavail = availc;
sfs->f_files = ULONG_MAX;
sfs->f_ffree = ULONG_MAX;
sfs->f_favail = ULONG_MAX;
sfs->f_fsid = vsn;
sfs->f_flag = flags;
sfs->f_namemax = maxlen;
ret = 0;
}
}
if (ret)
__seterrno ();
return ret;
}
extern "C" int
fstatvfs (int fd, struct statvfs *sfs)
{
cygheap_fdget cfd (fd);
if (cfd < 0)
return -1;
return statvfs (cfd->get_name (), sfs);
return cfd->fstatvfs (sfs);
}
extern "C" int
statfs (const char *fname, struct statfs *sfs)
statvfs (const char *name, struct statvfs *sfs)
{
int res = -1;
fhandler_base *fh = NULL;
myfault efault;
if (efault.faulted (EFAULT))
return -1;
goto error;
if (!(fh = build_fh_name (name, NULL, PC_SYM_FOLLOW, stat_suffixes)))
goto error;
if (fh->error ())
{
debug_printf ("got %d error from build_fh_name", fh->error ());
set_errno (fh->error ());
}
else if (fh->exists ())
{
debug_printf ("(%s, %p), file_attributes %d", name, sfs, (DWORD) *fh);
res = fh->fstatvfs (sfs);
}
else
set_errno (ENOENT);
delete fh;
error:
MALLOC_CHECK;
syscall_printf ("%d = (%s, %p)", res, name, sfs);
return res;
}
extern "C" int
fstatfs (int fd, struct statfs *sfs)
{
struct statvfs vfs;
int ret = statvfs (fname, &vfs);
int ret = fstatvfs (fd, &vfs);
if (!ret)
{
sfs->f_type = vfs.f_flag;
@ -1964,12 +1907,23 @@ statfs (const char *fname, struct statfs *sfs)
}
extern "C" int
fstatfs (int fd, struct statfs *sfs)
statfs (const char *fname, struct statfs *sfs)
{
cygheap_fdget cfd (fd);
if (cfd < 0)
return -1;
return statfs (cfd->get_name (), sfs);
struct statvfs vfs;
int ret = statvfs (fname, &vfs);
if (!ret)
{
sfs->f_type = vfs.f_flag;
sfs->f_bsize = vfs.f_bsize;
sfs->f_blocks = vfs.f_blocks;
sfs->f_bavail = vfs.f_bavail;
sfs->f_bfree = vfs.f_bfree;
sfs->f_files = -1;
sfs->f_ffree = -1;
sfs->f_fsid = vfs.f_fsid;
sfs->f_namelen = vfs.f_namemax;
}
return ret;
}
/* setpgid: POSIX 4.3.3.1 */