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wine
wine-winehq
Commits
f3836f5f
Commit
f3836f5f
authored
Dec 10, 1998
by
Uwe Bonnes
Committed by
Alexandre Julliard
Dec 10, 1998
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Plain Diff
Fixed DRIVE_GetFreeSpace to handle space > 4 GByte.
parent
65b637be
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Showing
1 changed file
with
36 additions
and
24 deletions
+36
-24
drive.c
files/drive.c
+36
-24
No files found.
files/drive.c
View file @
f3836f5f
...
@@ -580,9 +580,11 @@ int DRIVE_OpenDevice( int drive, int flags )
...
@@ -580,9 +580,11 @@ int DRIVE_OpenDevice( int drive, int flags )
/***********************************************************************
/***********************************************************************
* DRIVE_GetFreeSpace
* DRIVE_GetFreeSpace
*/
*/
static
int
DRIVE_GetFreeSpace
(
int
drive
,
DWORD
*
size
,
DWORD
*
available
)
static
int
DRIVE_GetFreeSpace
(
int
drive
,
LPULARGE_INTEGER
size
,
LPULARGE_INTEGER
available
)
{
{
struct
statfs
info
;
struct
statfs
info
;
unsigned
long
long
bigsize
,
bigavail
=
0
;
if
(
!
DRIVE_IsValid
(
drive
))
if
(
!
DRIVE_IsValid
(
drive
))
{
{
...
@@ -602,16 +604,23 @@ static int DRIVE_GetFreeSpace( int drive, DWORD *size, DWORD *available )
...
@@ -602,16 +604,23 @@ static int DRIVE_GetFreeSpace( int drive, DWORD *size, DWORD *available )
return
0
;
return
0
;
}
}
*
size
=
info
.
f_bsize
*
info
.
f_blocks
;
bigsize
=
(
unsigned
long
long
)
info
.
f_bsize
*
(
unsigned
long
long
)
info
.
f_blocks
;
#ifdef STATFS_HAS_BAVAIL
#ifdef STATFS_HAS_BAVAIL
*
available
=
info
.
f_bavail
*
info
.
f_bsize
;
bigavail
=
(
unsigned
long
long
)
info
.
f_bavail
*
(
unsigned
long
long
)
info
.
f_bsize
;
#else
#else
# ifdef STATFS_HAS_BFREE
# ifdef STATFS_HAS_BFREE
*
available
=
info
.
f_bfree
*
info
.
f_bsize
;
bigavail
=
(
unsigned
long
long
)
info
.
f_bfree
*
(
unsigned
long
long
)
info
.
f_bsize
;
# else
# else
# error "statfs has no bfree/bavail member!"
# error "statfs has no bfree/bavail member!"
# endif
# endif
#endif
#endif
size
->
LowPart
=
(
DWORD
)
bigsize
;
size
->
HighPart
=
(
DWORD
)(
bigsize
>>
32
);
available
->
LowPart
=
(
DWORD
)
bigavail
;
available
->
HighPart
=
(
DWORD
)(
bigavail
>>
32
);
return
1
;
return
1
;
}
}
...
@@ -660,7 +669,7 @@ BOOL32 WINAPI GetDiskFreeSpace32A( LPCSTR root, LPDWORD cluster_sectors,
...
@@ -660,7 +669,7 @@ BOOL32 WINAPI GetDiskFreeSpace32A( LPCSTR root, LPDWORD cluster_sectors,
LPDWORD
total_clusters
)
LPDWORD
total_clusters
)
{
{
int
drive
;
int
drive
;
DWORD
size
,
available
;
ULARGE_INTEGER
size
,
available
;
LPCSTR
path
;
LPCSTR
path
;
DWORD
cluster_sec
;
DWORD
cluster_sec
;
...
@@ -685,30 +694,37 @@ BOOL32 WINAPI GetDiskFreeSpace32A( LPCSTR root, LPDWORD cluster_sectors,
...
@@ -685,30 +694,37 @@ BOOL32 WINAPI GetDiskFreeSpace32A( LPCSTR root, LPDWORD cluster_sectors,
if
(
!
DRIVE_GetFreeSpace
(
drive
,
&
size
,
&
available
))
return
FALSE
;
if
(
!
DRIVE_GetFreeSpace
(
drive
,
&
size
,
&
available
))
return
FALSE
;
/* Cap the size and available at 2GB as per specs. */
/* Cap the size and available at 2GB as per specs. */
if
(
size
>
0x7fffffff
)
size
=
0x7fffffff
;
if
((
size
.
HighPart
)
||
(
size
.
LowPart
>
0x7fffffff
))
if
(
available
>
0x7fffffff
)
available
=
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
(
DRIVE_GetType
(
drive
)
==
TYPE_CDROM
)
{
if
(
sector_bytes
)
if
(
sector_bytes
)
*
sector_bytes
=
2048
;
*
sector_bytes
=
2048
;
size
/=
2048
;
size
.
LowPart
/=
2048
;
available
/=
2048
;
available
.
LowPart
/=
2048
;
}
else
{
}
else
{
if
(
sector_bytes
)
if
(
sector_bytes
)
*
sector_bytes
=
512
;
*
sector_bytes
=
512
;
size
/=
512
;
size
.
LowPart
/=
512
;
available
/=
512
;
available
.
LowPart
/=
512
;
}
}
/* fixme: probably have to adjust those variables too for CDFS */
/* fixme: probably have to adjust those variables too for CDFS */
cluster_sec
=
1
;
cluster_sec
=
1
;
while
(
cluster_sec
*
65536
<
size
)
cluster_sec
*=
2
;
while
(
cluster_sec
*
65536
<
size
.
LowPart
)
cluster_sec
*=
2
;
if
(
cluster_sectors
)
if
(
cluster_sectors
)
*
cluster_sectors
=
cluster_sec
;
*
cluster_sectors
=
cluster_sec
;
if
(
free_clusters
)
if
(
free_clusters
)
*
free_clusters
=
available
/
cluster_sec
;
*
free_clusters
=
available
.
LowPart
/
cluster_sec
;
if
(
total_clusters
)
if
(
total_clusters
)
*
total_clusters
=
size
/
cluster_sec
;
*
total_clusters
=
size
.
LowPart
/
cluster_sec
;
return
TRUE
;
return
TRUE
;
}
}
...
@@ -740,7 +756,7 @@ BOOL32 WINAPI GetDiskFreeSpaceEx32A( LPCSTR root,
...
@@ -740,7 +756,7 @@ BOOL32 WINAPI GetDiskFreeSpaceEx32A( LPCSTR root,
LPULARGE_INTEGER
totalfree
)
LPULARGE_INTEGER
totalfree
)
{
{
int
drive
;
int
drive
;
DWORD
size
,
available
;
ULARGE_INTEGER
size
,
available
;
if
(
!
root
)
drive
=
DRIVE_GetCurrentDrive
();
if
(
!
root
)
drive
=
DRIVE_GetCurrentDrive
();
else
else
...
@@ -754,14 +770,10 @@ BOOL32 WINAPI GetDiskFreeSpaceEx32A( LPCSTR root,
...
@@ -754,14 +770,10 @@ BOOL32 WINAPI GetDiskFreeSpaceEx32A( LPCSTR root,
}
}
if
(
!
DRIVE_GetFreeSpace
(
drive
,
&
size
,
&
available
))
return
FALSE
;
if
(
!
DRIVE_GetFreeSpace
(
drive
,
&
size
,
&
available
))
return
FALSE
;
/*FIXME: Do we have the number of bytes available to the user? */
/*FIXME: Do we have the number of bytes available to the user? */
avail
->
HighPart
=
total
->
HighPart
=
0
;
avail
->
HighPart
=
available
.
HighPart
;
avail
->
LowPart
=
available
;
totalfree
->
HighPart
=
size
.
HighPart
;
total
->
LowPart
=
size
;
avail
->
LowPart
=
available
.
LowPart
;
if
(
totalfree
)
totalfree
->
LowPart
=
size
.
LowPart
;
{
totalfree
->
HighPart
=
0
;
totalfree
->
LowPart
=
available
;
}
return
TRUE
;
return
TRUE
;
}
}
...
...
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