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* fhandler_disk_file.cc (fhandler_disk_file::readdir): Fix inode number

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evaluation for faked "." entry.

	* mount.cc (fs_info::update): Move setting of is_cdrom after checking
	for caseinsensitivity.  Recognize UDF in is_cdrom case and set
	caseinsensitive flag according to UDF brokenness determined by OS.
	Add comment to explain why.
	* mount.h (class fs_info): Add is_udf status flag.
	* path.cc (symlink_info::check): Add workaround for UDF bug in
	terms of casesensitivity on certain OSes.
	* wincap.h (wincaps::has_broken_udf): New element.
	(wincaps::has_broken_udf): New element
This commit is contained in:
Corinna Vinschen
2009-01-29 20:32:08 +00:00
parent bacd5877ba
commit 43616e5526
7 changed files with 73 additions and 3 deletions
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28
winsup/cygwin/path.cc
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@ -2140,6 +2140,7 @@ symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt,
NTSTATUS status;
IO_STATUS_BLOCK io;
bool no_ea = false;
bool fs_update_called = false;
error = 0;
get_nt_native_path (suffix.path, upath);
@ -2179,6 +2180,30 @@ symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt,
FILE_OPEN_REPARSE_POINT
| FILE_OPEN_FOR_BACKUP_INTENT);
}
if (status == STATUS_OBJECT_NAME_NOT_FOUND && ci_flag == 0
&& wincap.has_broken_udf ())
{
/* On NT 5.x UDF is broken (at least) in terms of case sensitivity.
When trying to open a file case sensitive, the file appears to be
non-existant. Another bug is described in fs_info::update. */
attr.Attributes = OBJ_CASE_INSENSITIVE;
status = NtOpenFile (&h, READ_CONTROL | FILE_READ_ATTRIBUTES,
&attr, &io, FILE_SHARE_VALID_FLAGS,
FILE_OPEN_REPARSE_POINT
| FILE_OPEN_FOR_BACKUP_INTENT);
attr.Attributes = ci_flag;
if (NT_SUCCESS (status))
{
fs.update (&upath, h);
if (fs.is_udf ())
fs_update_called = true;
else
{
NtClose (h);
status = STATUS_OBJECT_NAME_NOT_FOUND;
}
}
}
if (NT_SUCCESS (status)
&& NT_SUCCESS (status
= NtQueryInformationFile (h, &io, &fbi, sizeof fbi,
@ -2271,7 +2296,8 @@ symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt,
/* Check file system while we're having the file open anyway.
This speeds up path_conv noticably (~10%). */
fs.update (&upath, h);
if (!fs_update_called)
fs.update (&upath, h);
ext_tacked_on = !!*ext_here;