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ntdll: Also accept \??\ as a global namespace prefix in RtlDosPathNameToNtPathName_U(). 

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45654
Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2018-08-23 22:50:07 -05:00 committed by Alexandre Julliard
parent 8c7e141bb1
commit d683d243f7
2 changed files with 29 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
dlls/ntdll/path.c
View File

@ -340,7 +340,8 @@ ULONG WINAPI RtlIsDosDeviceName_U( PCWSTR dos_name )
NTSTATUS WINAPI RtlDosPathNameToNtPathName_U_WithStatus(const WCHAR *dos_path, UNICODE_STRING *ntpath,
WCHAR **file_part, CURDIR *cd)
{
static const WCHAR LongFileNamePfxW[] = {'\\','\\','?','\\'};
static const WCHAR global_prefix[] = {'\\','\\','?','\\'};
static const WCHAR global_prefix2[] = {'\\','?','?','\\'};
ULONG sz, offset;
WCHAR local[MAX_PATH];
LPWSTR ptr;
@ -356,7 +357,8 @@ NTSTATUS WINAPI RtlDosPathNameToNtPathName_U_WithStatus(const WCHAR *dos_path, U
if (!dos_path || !*dos_path)
return STATUS_OBJECT_NAME_INVALID;
if (!strncmpW(dos_path, LongFileNamePfxW, 4))
if (!memcmp(dos_path, global_prefix, sizeof(global_prefix)) ||
(!memcmp(dos_path, global_prefix2, sizeof(global_prefix2)) && dos_path[4]))
{
ntpath->Length = strlenW(dos_path) * sizeof(WCHAR);
ntpath->MaximumLength = ntpath->Length + sizeof(WCHAR);

25
dlls/ntdll/tests/path.c
View File

@ -396,6 +396,8 @@ static void test_RtlGetFullPathName_U(void)
static void test_RtlDosPathNameToNtPathName_U(void)
{
static const WCHAR broken_global_prefix[] = {'\\','?','?','\\','C',':','\\','?','?'};
char curdir[MAX_PATH];
WCHAR path[MAX_PATH];
UNICODE_STRING nameW;
@ -487,6 +489,22 @@ static void test_RtlDosPathNameToNtPathName_U(void)
{ "\\\\?\\foo\\bar", "\\??\\foo\\bar", 8, STATUS_SUCCESS },
{ "\\\\?\\foo\\.", "\\??\\foo\\.", 8, STATUS_SUCCESS },
{ "\\\\?\\foo\\..", "\\??\\foo\\..", 8, STATUS_SUCCESS },
{ "\\??", "\\??\\C:\\??", 7, STATUS_SUCCESS },
{ "\\??\\", "\\??\\C:\\??\\", -1, STATUS_SUCCESS },
{ "\\??\\/", "\\??\\/", 4, STATUS_SUCCESS },
{ "\\??\\foo", "\\??\\foo", 4, STATUS_SUCCESS },
{ "\\??\\foo/", "\\??\\foo/", 4, STATUS_SUCCESS },
{ "\\??\\foo/bar", "\\??\\foo/bar", 4, STATUS_SUCCESS },
{ "\\??\\foo/.", "\\??\\foo/.", 4, STATUS_SUCCESS },
{ "\\??\\foo/..", "\\??\\foo/..", 4, STATUS_SUCCESS },
{ "\\??\\\\", "\\??\\\\", -1, STATUS_SUCCESS },
{ "\\??\\\\\\", "\\??\\\\\\", -1, STATUS_SUCCESS },
{ "\\??\\foo\\", "\\??\\foo\\", -1, STATUS_SUCCESS },
{ "\\??\\foo\\bar", "\\??\\foo\\bar", 8, STATUS_SUCCESS },
{ "\\??\\foo\\.", "\\??\\foo\\.", 8, STATUS_SUCCESS },
{ "\\??\\foo\\..", "\\??\\foo\\..", 8, STATUS_SUCCESS },
};
GetCurrentDirectoryA(sizeof(curdir), curdir);
@ -509,6 +527,13 @@ static void test_RtlDosPathNameToNtPathName_U(void)
if (ret != TRUE) continue;
if (!strncmp(tests[i].dos, "\\??\\", 4) && tests[i].dos[4] &&
broken(!memcmp(nameW.Buffer, broken_global_prefix, sizeof(broken_global_prefix))))
{
/* Windows version prior to 2003 don't interpret the \??\ prefix */
continue;
}
MultiByteToWideChar(CP_ACP, 0, tests[i].nt, -1, path, sizeof(path));
ok(!lstrcmpW(nameW.Buffer, path), "%s: Expected %s, got %s.\n",
tests[i].dos, tests[i].nt, wine_dbgstr_w(nameW.Buffer));