Index: C:/Users/ReactOS/trunk/reactos/lib/rtl/path.c
===================================================================
--- C:/Users/ReactOS/trunk/reactos/lib/rtl/path.c	(révision 59176)
+++ C:/Users/ReactOS/trunk/reactos/lib/rtl/path.c	(révision 59183)
@@ -160,7 +160,7 @@
         {
             /* Check if the character is a path or drive separator */
             c = *End;
-            if ((c == '\\') || (c == '/') || ((c == ':') && (End == PathCopy.Buffer + 1)))
+            if (IS_PATH_SEPARATOR(c) || ((c == ':') && (End == PathCopy.Buffer + 1)))
             {
                 /* Get the next lower case character */
                 End++;
@@ -422,30 +422,33 @@
     if (PartName)
     {
         /* Loop from the back until we find a path separator */
-        p = &NewBuffer[(DosLength - 1) / sizeof (WCHAR)];
-        while (p > NewBuffer) if (*p-- == '\\') break;
-
-        /* Was one found? */
-        if (p > NewBuffer)
+        p = &NewBuffer[DosLength / sizeof (WCHAR)];
+        while (--p > NewBuffer)
         {
-            /* Move past it -- anything left? */
-            p++;
-            if (!*p)
+            /* We found a path separator, move past it */
+            if (*p == OBJ_NAME_PATH_SEPARATOR)
             {
-                /* The path ends with a path separator, no part name */
-                *PartName = NULL;
+                ++p;
+                break;
             }
-            else
-            {
-                /* What follows the path separator is the part name */
-                *PartName = p;
-            }
         }
+
+        /* Check whether a separator was found and if something remains */
+        if ((p > NewBuffer) && *p)
+        {
+            /* What follows the path separator is the partial name */
+            *PartName = p;
+        }
+        else
+        {
+            /* The path ends with a path separator, no partial name */
+            *PartName = NULL;
+        }
     }
 
     /* Build the final NT path string */
+    NtPath->Buffer = NewBuffer;
     NtPath->Length = (USHORT)DosLength;
-    NtPath->Buffer = NewBuffer;
     NtPath->MaximumLength = (USHORT)DosLength + sizeof(UNICODE_NULL);
     return STATUS_SUCCESS;
 }
@@ -574,7 +577,6 @@
         /* Nothing else is expected */
         default:
             ASSERT(FALSE);
-
     }
 
     /* Now copy the prefix and the buffer */
@@ -592,7 +594,7 @@
     NtName->Length = (USHORT)Length;
     NtName->MaximumLength = (USHORT)MaxLength;
     NewBuffer[LengthChars] = UNICODE_NULL;
-    DPRINT("new buffer: %S\n", NewBuffer);
+    DPRINT("New buffer: %S\n", NewBuffer);
     DPRINT("NT Name: %wZ\n", NtName);
 
     /* Check if a partial name was requested */
@@ -651,7 +653,7 @@
                     RelativeName->RelativeName.Buffer = (PWSTR)((ULONG_PTR)NewBuffer + PrefixLength + FullPath.Length - PrefixCut * sizeof(WCHAR));
                     RelativeName->RelativeName.Length = (USHORT)(PathLength - FullPath.Length);
                     /* If relative name starts with \, skip it */
-                    if (RelativeName->RelativeName.Buffer[0] == L'\\')
+                    if (RelativeName->RelativeName.Buffer[0] == OBJ_NAME_PATH_SEPARATOR)
                     {
                         RelativeName->RelativeName.Buffer++;
                         RelativeName->RelativeName.Length -= sizeof(WCHAR);
@@ -1121,7 +1123,7 @@
     FullPath.Length = (USHORT)FullPathLength;
 
     /* If full path isn't \ terminated, do it */
-    if (FullPath.Buffer[CharLength - 1] != L'\\')
+    if (FullPath.Buffer[CharLength - 1] != OBJ_NAME_PATH_SEPARATOR)
     {
         if ((CharLength + 1) * sizeof(WCHAR) > SavedLength)
         {
@@ -1129,7 +1131,7 @@
             goto Leave;
         }
 
-        FullPath.Buffer[CharLength] = L'\\';
+        FullPath.Buffer[CharLength] = OBJ_NAME_PATH_SEPARATOR;
         FullPath.Buffer[CharLength + 1] = UNICODE_NULL;
         FullPath.Length += sizeof(WCHAR);
     }
@@ -1500,6 +1502,8 @@
 
     if (!name || !*name) return 0;
 
+    RtlZeroMemory(buffer, size);
+
     if (file_part) *file_part = NULL;
 
     /* check for DOS device name */
@@ -1733,9 +1737,9 @@
         }
 
         /* Add a terminating slash if needed */
-        if ((BufferStart != NewBuffer) && (BufferStart[-1] != '\\'))
+        if ((BufferStart != NewBuffer) && (BufferStart[-1] != OBJ_NAME_PATH_SEPARATOR))
         {
-            *BufferStart++ = '\\';
+            *BufferStart++ = OBJ_NAME_PATH_SEPARATOR;
         }
 
         /* Bail out if we reached the end */
@@ -2051,6 +2055,7 @@
     /* Initialize optional arguments */
     if (FullNameOut) *FullNameOut = NULL;
     if (FilePartSize) *FilePartSize = 0;
+    if (LengthNeeded) *LengthNeeded = 0;
     if (DynamicString)
     {
         DynamicString->Length = DynamicString->MaximumLength = 0;
@@ -2322,7 +2327,7 @@
                              &StaticCandidateString,
                              Status);
                 }
-                DPRINT("STatus: %lx BUFFER: %S\n", Status, CallerBuffer->Buffer);
+                DPRINT("Status: %lx BUFFER: %S\n", Status, CallerBuffer->Buffer);
                 goto Quickie;
             }
             else