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* ntdll.h (STATUS_NOT_FOUND): Define. 

* ntea.cc (read_ea): Return correct ENOTSUP rather than EOPNOTSUPP.
	Handle STATUS_INVALID_DEVICE_REQUEST and STATUS_NOT_FOUND.  Explain
	why.  Convert conditional to switch statement.
	(write_ea): Return correct ENOTSUP rather than EOPNOTSUPP.  Handle
	STATUS_INVALID_DEVICE_REQUEST.  Convert conditional to switch statement.
This commit is contained in:
Corinna Vinschen 2011-08-09 09:14:28 +00:00
parent 4ae8b410a3
commit c29da54058
3 changed files with 62 additions and 25 deletions
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9
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,12 @@
2011-08-09 Corinna Vinschen <corinna@vinschen.de>
* ntdll.h (STATUS_NOT_FOUND): Define.
* ntea.cc (read_ea): Return correct ENOTSUP rather than EOPNOTSUPP.
Handle STATUS_INVALID_DEVICE_REQUEST and STATUS_NOT_FOUND. Explain
why. Convert conditional to switch statement.
(write_ea): Return correct ENOTSUP rather than EOPNOTSUPP. Handle
STATUS_INVALID_DEVICE_REQUEST. Convert conditional to switch statement.
2011-08-07 Corinna Vinschen <corinna@vinschen.de>
* resource.cc (getrlimit): Just return RLIM_INFINITY in a request for

1
winsup/cygwin/ntdll.h
View File

@ -56,6 +56,7 @@
#define STATUS_INVALID_LEVEL ((NTSTATUS) 0xc0000148)
#define STATUS_DLL_NOT_FOUND ((NTSTATUS) 0xc0000135)
#define STATUS_ENTRYPOINT_NOT_FOUND ((NTSTATUS) 0xc0000139)
#define STATUS_NOT_FOUND ((NTSTATUS) 0xc0000225)
#define STATUS_BAD_DLL_ENTRYPOINT ((NTSTATUS) 0xc0000251)
#define STATUS_ILLEGAL_DLL_RELOCATION ((NTSTATUS) 0xc0000269)
/* custom status code: */

77
winsup/cygwin/ntea.cc
View File

@ -1,6 +1,6 @@
/* ntea.cc: code for manipulating Extended Attributes
Copyright 1997, 1998, 2000, 2001, 2006, 2008, 2009, 2010 Red Hat, Inc.
Copyright 1997, 1998, 2000, 2001, 2006, 2008, 2009, 2010, 2011 Red Hat, Inc.
This file is part of Cygwin.
@ -78,12 +78,12 @@ read_ea (HANDLE hdl, path_conv &pc, const char *name, char *value, size_t size)
size_t nlen;
/* For compatibility with Linux, we only allow user xattrs and
return EOPNOTSUPP otherwise. */
return ENOTSUP otherwise. */
if (ascii_strncasematch (name, "user.", 5))
name += 5;
else
{
set_errno (EOPNOTSUPP);
set_errno (ENOTSUP);
goto out;
}
@ -117,14 +117,32 @@ read_ea (HANDLE hdl, path_conv &pc, const char *name, char *value, size_t size)
}
if (!NT_SUCCESS (status))
{
if (status == STATUS_NO_EAS_ON_FILE)
ret = 0;
else if (status == STATUS_NONEXISTENT_EA_ENTRY)
/* Actually this error code is either never generated, or it was only
generated in some old and long forgotton NT version. See below. */
set_errno (ENOATTR);
else
__seterrno_from_nt_status (status);
switch (status)
{
case STATUS_NO_EAS_ON_FILE:
ret = 0;
break;
case STATUS_INVALID_DEVICE_REQUEST:
set_errno (ENOTSUP);
break;
case STATUS_NOT_FOUND:
/* STATUS_NOT_FOUND is returned when calling NtQueryEaFile on NFS.
In theory this should mean that the file just has no EAs, but in
fact NFS doesn't support EAs, other than the EAs which are used
for NFS requests. We're playing safe and convert STATUS_NOT_FOUND
to ENOATTR, unless we're on NFS, where we convert it to ENOTSUP. */
set_errno (pc.fs_is_nfs () ? ENOTSUP : ENOATTR);
break;
case STATUS_NONEXISTENT_EA_ENTRY:
/* Actually STATUS_NONEXISTENT_EA_ENTRY is either never generated, or
it was only generated in some old and long forgotton NT version.
See below. For safty reasons, we handle it here, nevertheless. */
set_errno (ENOATTR);
break;
default:
__seterrno_from_nt_status (status);
break;
}
goto out;
}
if (name)
@ -235,10 +253,10 @@ write_ea (HANDLE hdl, path_conv &pc, const char *name, const char *value,
}
/* For compatibility with Linux, we only allow user xattrs and
return EOPNOTSUPP otherwise. */
return ENOTSUP otherwise. */
if (!ascii_strncasematch (name, "user.", 5))
{
set_errno (EOPNOTSUPP);
set_errno (ENOTSUP);
goto out;
}
@ -298,18 +316,27 @@ write_ea (HANDLE hdl, path_conv &pc, const char *name, const char *value,
}
if (!NT_SUCCESS (status))
{
/* STATUS_EA_TOO_LARGE has a matching Win32 error ERROR_EA_TABLE_FULL.
Too bad RtlNtStatusToDosError does not translate STATUS_EA_TOO_LARGE
to ERROR_EA_TABLE_FULL, but to ERROR_EA_LIST_INCONSISTENT. This
error code is also returned for STATUS_EA_LIST_INCONSISTENT, which
means the incoming EA list is... inconsistent. For obvious reasons
we translate ERROR_EA_LIST_INCONSISTENT to EINVAL, so we have to
handle STATUS_EA_TOO_LARGE explicitely here, to get the correct
mapping to ENOSPC. */
if (status == STATUS_EA_TOO_LARGE)
set_errno (ENOSPC);
else
__seterrno_from_nt_status (status);
switch (status)
{
case STATUS_EA_TOO_LARGE:
/* STATUS_EA_TOO_LARGE has a matching Win32 error ERROR_EA_TABLE_FULL.
For some unknown reason RtlNtStatusToDosError does not translate
STATUS_EA_TOO_LARGE to ERROR_EA_TABLE_FULL, but instead to
ERROR_EA_LIST_INCONSISTENT. This error code is also returned for
STATUS_EA_LIST_INCONSISTENT, which means the incoming EA list is...
inconsistent. For obvious reasons we translate
ERROR_EA_LIST_INCONSISTENT to EINVAL, so we have to handle
STATUS_EA_TOO_LARGE explicitely here, to get the correct mapping
to ENOSPC. */
set_errno (ENOSPC);
break;
case STATUS_INVALID_DEVICE_REQUEST:
set_errno (ENOTSUP);
break;
default:
__seterrno_from_nt_status (status);
break;
}
}
else
ret = 0;