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translate the \\?\ prefix to \??\ in RtlDosPathNameToNtPathName_U

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svn path=/trunk/; revision=20973
This commit is contained in:
Thomas Bluemel 2006-01-22 12:29:40 +00:00
parent 955b4987a2
commit cb96a25169
1 changed files with 52 additions and 13 deletions
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65
reactos/lib/rtl/path.c
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@ -690,9 +690,6 @@ RtlDosPathNameToNtPathName_U(IN PCWSTR DosPathName,
WCHAR fullname[MAX_PATH + 1]; WCHAR fullname[MAX_PATH + 1];
PWSTR Buffer = NULL; PWSTR Buffer = NULL;
RtlAcquirePebLock ();
RtlInitUnicodeString (&us, DosPathName); RtlInitUnicodeString (&us, DosPathName);
if (us.Length > 8) if (us.Length > 8)
{ {
@ -700,15 +697,56 @@ RtlDosPathNameToNtPathName_U(IN PCWSTR DosPathName,
/* check for "\\?\" - allows to use very long filenames ( up to 32k ) */ /* check for "\\?\" - allows to use very long filenames ( up to 32k ) */
if (Buffer[0] == L'\\' && Buffer[1] == L'\\' && if (Buffer[0] == L'\\' && Buffer[1] == L'\\' &&
Buffer[2] == L'?' && Buffer[3] == L'\\') Buffer[2] == L'?' && Buffer[3] == L'\\')
{ {
// if( f_77F68606( &us, ntname, shortname, nah ) ) /* allocate the new string and simply copy it */
// { NtPathName->Length = us.Length;
// RtlReleasePebLock (); NtPathName->MaximumLength = us.Length + sizeof(WCHAR);
// return TRUE; NtPathName->Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
// } 0,
Buffer = NULL; NtPathName->MaximumLength);
RtlReleasePebLock (); if (NtPathName->Buffer == NULL)
return FALSE; {
return FALSE;
}
/* copy the string */
RtlCopyMemory(NtPathName->Buffer,
us.Buffer,
NtPathName->Length);
NtPathName->Buffer[us.Length / sizeof(WCHAR)] = L'\0';
/* change the \\?\ prefix to \??\ */
NtPathName->Buffer[1] = L'?';
if (NtFileNamePart != NULL)
{
PWSTR FilePart = NULL;
PWSTR s;
/* try to find the last separator */
s = NtPathName->Buffer + (NtPathName->Length / sizeof(WCHAR));
while (s != NtPathName->Buffer)
{
if (*s == L'\\')
{
FilePart = s + 1;
break;
}
s--;
}
*NtFileNamePart = FilePart;
}
if (DirectoryInfo != NULL)
{
DirectoryInfo->DosPath.Length = 0;
DirectoryInfo->DosPath.MaximumLength = 0;
DirectoryInfo->DosPath.Buffer = NULL;
DirectoryInfo->Handle = NULL;
}
return TRUE;
} }
} }
@ -717,10 +755,11 @@ RtlDosPathNameToNtPathName_U(IN PCWSTR DosPathName,
sizeof( fullname ) + MAX_PFX_SIZE); sizeof( fullname ) + MAX_PFX_SIZE);
if (Buffer == NULL) if (Buffer == NULL)
{ {
RtlReleasePebLock ();
return FALSE; return FALSE;
} }
RtlAcquirePebLock ();
Size = RtlGetFullPathName_U (DosPathName, Size = RtlGetFullPathName_U (DosPathName,
sizeof(fullname), sizeof(fullname),
fullname, fullname,