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w32api:

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* include/winioctl.h (FSCTL_SET_SPARSE): Define.

cygwin:

        * wincap.h (wincaps::supports_sparse_files): New flag.
        (wincapc::supports_sparse_files): New method.
        * wincap.cc (wincap_unknown): Define value for the new flag.
        (wincap_95): Ditto.
        (wincap_95osr2): Ditto.
        (wincap_98): Ditto.
        (wincap_98se): Ditto.
        (wincap_me): Ditto.
        (wincap_nt3): Ditto.
        (wincap_nt4): Ditto.
        (wincap_nt4sp4): Ditto.
        (wincap_2000): Ditto.
        (wincap_xp): Ditto.
        * path.h (path_conv::fs_flags): New method.
        * fhandler_disk_file.cc: Include winioctl.h for DeviceIoControl.
        (fhandler_disk_file::open): Set newly created and truncated files as
        sparse on platforms that support it.
This commit is contained in:
Corinna Vinschen
2003-02-20 10:14:53 +00:00
parent 3f3d479490
commit 7920792369
7 changed files with 64 additions and 11 deletions
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winsup/w32api/include/winioctl.h
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@@ -69,6 +69,7 @@ extern "C" {
#define FSCTL_GET_REPARSE_POINT CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 42, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define FSCTL_SET_REPARSE_POINT CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 41, METHOD_BUFFERED, FILE_WRITE_DATA)
#define FSCTL_DELETE_REPARSE_POINT CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 43, METHOD_BUFFERED, FILE_WRITE_DATA)
#define FSCTL_SET_SPARSE CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 49, METHOD_BUFFERED, FILE_SPECIAL_ACCESS)
#define DEVICE_TYPE DWORD
#define FILE_DEVICE_BEEP 1
#define FILE_DEVICE_CD_ROM 2