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* ntdll.h (RtlInitCountedUnicodeString): Swap order of string and length

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parameters to be the same as for RtlInitEmptyUnicodeString.
	(RtlEqualPathPrefix): New inline function.
	(RtlEqualPathSuffix): New inline function.
	* fhandler_disk_file.cc: Accommodate parameter order change of
	RtlInitEmptyUnicodeString throughout.
	(fhandler_disk_file::link): Do path checking in unicode.  Call
	CopyFileW instead of CopyFileA.
This commit is contained in:
Corinna Vinschen 2007-07-28 16:00:35 +00:00
parent 745c29fe7b
commit 74c5e8c73a
3 changed files with 61 additions and 22 deletions
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11
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,14 @@
2007-07-27 Corinna Vinschen <corinna@vinschen.de>
* ntdll.h (RtlInitCountedUnicodeString): Swap order of string and length
parameters to be the same as for RtlInitEmptyUnicodeString.
(RtlEqualPathPrefix): New inline function.
(RtlEqualPathSuffix): New inline function.
* fhandler_disk_file.cc: Accommodate parameter order change of
RtlInitEmptyUnicodeString throughout.
(fhandler_disk_file::link): Do path checking in unicode. Call
CopyFileW instead of CopyFileA.
2007-07-27 Corinna Vinschen <corinna@vinschen.de>
* autoload.cc (CreateHardLinkA): Remove.

35
winsup/cygwin/fhandler_disk_file.cc
View File

@ -223,8 +223,8 @@ path_conv::ndisk_links (DWORD nNumberOfLinks)
{
UNICODE_STRING fname;
RtlInitCountedUnicodeString (&fname, pfdi->FileNameLength,
pfdi->FileName);
RtlInitCountedUnicodeString (&fname, pfdi->FileName,
pfdi->FileNameLength);
InitializeObjectAttributes (&attr, &fname,
OBJ_CASE_INSENSITIVE, fh, NULL);
if (is_volume_mountpoint (&attr))
@ -235,8 +235,8 @@ path_conv::ndisk_links (DWORD nNumberOfLinks)
break;
}
UNICODE_STRING fname;
RtlInitCountedUnicodeString (&fname, pfdi->FileNameLength,
pfdi->FileName);
RtlInitCountedUnicodeString (&fname, pfdi->FileName,
pfdi->FileNameLength);
dir->check_mount (&fname, 0, false);
}
}
@ -1043,8 +1043,6 @@ fhandler_disk_file::link (const char *newpath)
char new_buf[strlen (newpath) + 5];
if (!newpc.error && !newpc.case_clash)
{
int len;
if (allow_winsymlinks && pc.is_lnk_special ())
{
/* Shortcut hack. */
@ -1053,10 +1051,9 @@ fhandler_disk_file::link (const char *newpath)
newpc.check (newpath, PC_SYM_NOFOLLOW);
}
else if (!pc.isdir ()
&& (len = strlen (pc.get_win32 ())) > 4
&& strcasematch (pc.get_win32 () + len - 4, ".exe")
&& (len = strlen (newpc.get_win32 ())) > 4
&& !strcasematch (newpc.get_win32 () + len - 4, ".exe"))
&& RtlEqualPathSuffix (pc.get_nt_native_path (), L".exe", TRUE)
&& !RtlEqualPathSuffix (newpc.get_nt_native_path (), L".exe",
TRUE))
{
/* Executable hack. */
stpcpy (stpcpy (new_buf, newpath), ".exe");
@ -1091,7 +1088,10 @@ fhandler_disk_file::link (const char *newpath)
if (status == STATUS_INVALID_DEVICE_REQUEST)
{
/* FS doesn't support hard links. Try to copy file. */
if (!CopyFileA (pc, newpc, TRUE))
WCHAR pcw[pc.get_nt_native_path ()->Length + 1];
WCHAR newpcw[newpc.get_nt_native_path ()->Length + 1];
if (!CopyFileW (pc.get_wide_win32_path (pcw),
newpc.get_wide_win32_path (newpcw), TRUE))
{
__seterrno ();
return -1;
@ -1732,11 +1732,12 @@ fhandler_disk_file::readdir_helper (DIR *dir, dirent *de, DWORD w32_err,
UNICODE_STRING uname;
UNICODE_STRING lname;
RtlInitCountedUnicodeString (&uname, 4 * sizeof (WCHAR),
fname->Buffer +
fname->Length / sizeof (WCHAR) - 4);
RtlInitCountedUnicodeString (&lname, 4 * sizeof (WCHAR),
(PWCHAR) L".lnk");
RtlInitCountedUnicodeString (&uname,
fname->Buffer
+ fname->Length / sizeof (WCHAR) - 4,
4 * sizeof (WCHAR));
RtlInitCountedUnicodeString (&lname, (PWCHAR) L".lnk",
4 * sizeof (WCHAR));
if (RtlEqualUnicodeString (&uname, &lname, TRUE))
{
@ -1872,7 +1873,7 @@ go_ahead:
}
else
FileName = ((PFILE_BOTH_DIR_INFORMATION) buf)->FileName;
RtlInitCountedUnicodeString (&fname, buf->FileNameLength, FileName);
RtlInitCountedUnicodeString (&fname, FileName, buf->FileNameLength);
de->d_ino = d_mounts (dir)->check_mount (&fname, de->d_ino);
if (de->d_ino == 0 && (dir->__flags & dirent_set_d_ino))
{

37
winsup/cygwin/ntdll.h
View File

@ -807,8 +807,8 @@ extern "C"
dest->Buffer = (PWSTR) buf;
}
inline
VOID NTAPI RtlInitCountedUnicodeString (PUNICODE_STRING dest, USHORT len,
PCWSTR buf)
VOID NTAPI RtlInitCountedUnicodeString (PUNICODE_STRING dest, PCWSTR buf,
USHORT len)
{
dest->Length = dest->MaximumLength = len;
dest->Buffer = (PWSTR) buf;
@ -822,9 +822,36 @@ extern "C"
;
++len;
if (dir)
RtlInitCountedUnicodeString (dir, len * sizeof (WCHAR), path->Buffer);
RtlInitCountedUnicodeString (dir, path->Buffer, len * sizeof (WCHAR));
if (file)
RtlInitCountedUnicodeString (file, path->Length - len * sizeof (WCHAR),
&path->Buffer[len]);
RtlInitCountedUnicodeString (file, &path->Buffer[len],
path->Length - len * sizeof (WCHAR));
}
inline
BOOLEAN NTAPI RtlEqualPathPrefix (PUNICODE_STRING path, PCWSTR prefix,
BOOLEAN caseinsensitive)
{
UNICODE_STRING p, pref;
RtlInitUnicodeString (&pref, prefix);
RtlInitCountedUnicodeString (&p, path->Buffer,
pref.Length < path->Length
? pref.Length : path->Length);
return RtlEqualUnicodeString (&p, &pref, caseinsensitive);
}
inline
BOOL NTAPI RtlEqualPathSuffix (PUNICODE_STRING path, PCWSTR suffix,
BOOLEAN caseinsensitive)
{
UNICODE_STRING p, suf;
RtlInitUnicodeString (&suf, suffix);
if (suf.Length < path->Length)
RtlInitCountedUnicodeString (&p, (PWCHAR) ((PBYTE) path->Buffer
+ path->Length - suf.Length),
suf.Length);
else
RtlInitCountedUnicodeString (&p, path->Buffer, path->Length);
return RtlEqualUnicodeString (&p, &suf, caseinsensitive);
}
}