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ntdll: Check for existing Unix path name in RtlGetFullPathName_U(). 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2021-02-28 11:29:17 +01:00
parent 0d173e5710
commit 45bfa4eec3
1 changed files with 9 additions and 7 deletions
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16
dlls/ntdll/path.c
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@ -543,16 +543,18 @@ static ULONG get_full_path_helper(LPCWSTR name, LPWSTR buffer, ULONG size)
WCHAR *nt_str;
SIZE_T buflen;
NTSTATUS status;
UNICODE_STRING str;
unix_name = RtlAllocateHeap( GetProcessHeap(), 0, 3 * wcslen(name) + 1 );
ntdll_wcstoumbs( name, wcslen(name) + 1, unix_name, 3 * wcslen(name) + 1, FALSE );
buflen = strlen(unix_name) + 10;
for (;;)
nt_str = RtlAllocateHeap( GetProcessHeap(), 0, (wcslen(name) + 9) * sizeof(WCHAR) );
wcscpy( nt_str, L"\\??\\unix" );
wcscat( nt_str, name );
RtlInitUnicodeString( &str, nt_str );
buflen = 3 * wcslen(name) + 1;
unix_name = RtlAllocateHeap( GetProcessHeap(), 0, buflen );
if (!(status = wine_nt_to_unix_file_name( &str, unix_name, &buflen, FILE_OPEN )))
{
if (!(nt_str = RtlAllocateHeap( GetProcessHeap(), 0, buflen * sizeof(WCHAR) ))) break;
buflen = wcslen(name) + 9;
status = wine_unix_to_nt_file_name( unix_name, nt_str, &buflen );
if (status != STATUS_BUFFER_TOO_SMALL) break;
RtlFreeHeap( GetProcessHeap(), 0, nt_str );
}
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
if (!status && buflen > 6 && nt_str[5] == ':')