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* globals.cc: Reorder constant UNICODE_STRINGs for clarity.

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* mount.h (fs_info::sttaus): Move filesystem type flags into
	substructure.  Add union to allow simple test for having set any
	one filesystem type flag.  Replace has_buggy_open flag with is_sunwnfs
	flag.  Replace has_buggy_fileid_dirinfo with is_unixfs flag.
	(fs_info::got_fs): New private method.
	(fs_info::has_buggy_open): New explicit implementation.
	(fs_info::has_buggy_fileid_dirinfo): Ditto.
	* mount.cc (fs_info::update): Optimize filesystem checks for speed.
	* winsup.h (IMPLEMENT_STATUS_FLAG): Change write accessor to return
	value just set.
This commit is contained in:
Corinna Vinschen
2009-07-16 09:56:25 +00:00
parent 5e5a843711
commit fc261e53f0
5 changed files with 84 additions and 71 deletions
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36
winsup/cygwin/mount.h
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@@ -20,21 +20,30 @@ class fs_info
ULONG samba_version; /* Samba version if available */
ULONG name_len; /* MaximumComponentNameLength */
unsigned is_remote_drive : 1;
unsigned has_buggy_open : 1;
unsigned has_buggy_fileid_dirinfo : 1;
unsigned has_acls : 1;
unsigned hasgood_inode : 1;
unsigned caseinsensitive : 1;
unsigned is_fat : 1;
unsigned is_ntfs : 1;
unsigned is_samba : 1;
unsigned is_nfs : 1;
unsigned is_netapp : 1;
unsigned is_cdrom : 1;
unsigned is_udf : 1;
unsigned is_csc_cache : 1;
union
{
struct
{
unsigned is_fat : 1;
unsigned is_ntfs : 1;
unsigned is_samba : 1;
unsigned is_nfs : 1;
unsigned is_netapp : 1;
unsigned is_cdrom : 1;
unsigned is_udf : 1;
unsigned is_csc_cache : 1;
unsigned is_sunwnfs : 1;
unsigned is_unixfs : 1;
};
unsigned long fs_flags;
};
} status;
ULONG sernum;
unsigned long got_fs () { return status.fs_flags; }
public:
void clear () { memset (&status, 0 , sizeof status); sernum = 0UL; }
fs_info () { clear (); }
@@ -43,8 +52,6 @@ class fs_info
IMPLEMENT_STATUS_FLAG (ULONG, samba_version)
IMPLEMENT_STATUS_FLAG (ULONG, name_len)
IMPLEMENT_STATUS_FLAG (bool, is_remote_drive)
IMPLEMENT_STATUS_FLAG (bool, has_buggy_open)
IMPLEMENT_STATUS_FLAG (bool, has_buggy_fileid_dirinfo)
IMPLEMENT_STATUS_FLAG (bool, has_acls)
IMPLEMENT_STATUS_FLAG (bool, hasgood_inode)
IMPLEMENT_STATUS_FLAG (bool, caseinsensitive)
@@ -56,8 +63,13 @@ class fs_info
IMPLEMENT_STATUS_FLAG (bool, is_cdrom)
IMPLEMENT_STATUS_FLAG (bool, is_udf)
IMPLEMENT_STATUS_FLAG (bool, is_csc_cache)
IMPLEMENT_STATUS_FLAG (bool, is_sunwnfs)
IMPLEMENT_STATUS_FLAG (bool, is_unixfs)
ULONG serial_number () const { return sernum; }
int has_buggy_open () const {return is_sunwnfs ();}
int has_buggy_fileid_dirinfo () const {return is_unixfs ();}
bool update (PUNICODE_STRING, HANDLE) __attribute__ ((regparm (3)));
};