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Throughout, use FileBothDirectoryInformation info class rather than

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FileDirectoryInformation info class to avoid problems with incomplete
	filesystem implementations.  Fix comments accordingly.
	* fhandler_disk_file.cc (fhandler_disk_file::readdir_helper): Set
	fname->Length to 0 in error case to avoid potential crash in debug
	output.
	(fhandler_disk_file::readdir): Try to speed up the working default case.
	Check for STATUS_INVALID_NETWORK_RESPONSE as potential status value
	returned by filesystems not implementing FileIdBothDirectoryInformation.
	* ntdll.h (STATUS_INVALID_NETWORK_RESPONSE): Define.
	(FILE_BOTH_DIRECTORY_INFORMATION): Rename to official name.
	* path.cc (symlink_info::check): Don't request FILE_READ_EA access, it's
	not required for NFS.  Try to speed up the working default case.  Check
	for STATUS_INVALID_NETWORK_RESPONSE as potential status value returned
	by filesystems not supporting non-NULL EA parameters.  Fix the way
	fs.update is called.  Improve debug output.
This commit is contained in:
Corinna Vinschen
2010-01-29 11:20:06 +00:00
parent 3d635c060e
commit 3432d6f1f7
4 changed files with 74 additions and 43 deletions
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7
winsup/cygwin/ntdll.h
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@@ -1,7 +1,7 @@
/* ntdll.h. Contains ntdll specific stuff not defined elsewhere.
Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
2009 Red Hat, Inc.
2009, 2010 Red Hat, Inc.
This file is part of Cygwin.
@@ -39,6 +39,7 @@
#define STATUS_DISK_FULL ((NTSTATUS) 0xc000007f)
#define STATUS_WORKING_SET_QUOTA ((NTSTATUS) 0xc00000a1)
#define STATUS_NOT_SUPPORTED ((NTSTATUS) 0xc00000bb)
#define STATUS_INVALID_NETWORK_RESPONSE ((NTSTATUS) 0xc00000c3)
#define STATUS_DIRECTORY_NOT_EMPTY ((NTSTATUS) 0xc0000101)
#define STATUS_CANNOT_DELETE ((NTSTATUS) 0xc0000121)
#define STATUS_INVALID_LEVEL ((NTSTATUS) 0xc0000148)
@@ -153,7 +154,7 @@ typedef struct _FILE_DIRECTORY_INFORMATION {
WCHAR FileName[1];
} FILE_DIRECTORY_INFORMATION, *PFILE_DIRECTORY_INFORMATION;
typedef struct _FILE_BOTH_DIR_INFORMATION
typedef struct _FILE_BOTH_DIRECTORY_INFORMATION
{
ULONG NextEntryOffset;
ULONG FileIndex;
@@ -169,7 +170,7 @@ typedef struct _FILE_BOTH_DIR_INFORMATION
CCHAR ShortNameLength;
WCHAR ShortName[12];
WCHAR FileName[1];
} FILE_BOTH_DIR_INFORMATION, *PFILE_BOTH_DIR_INFORMATION;
} FILE_BOTH_DIRECTORY_INFORMATION, *PFILE_BOTH_DIRECTORY_INFORMATION;
typedef struct _FILE_ID_BOTH_DIR_INFORMATION
{