From 0bbab987c098f420aaf4306da46fdc2905c96e3e Mon Sep 17 00:00:00 2001
From: Alex Ionescu <aionescu@gmail.com>
Date: Tue, 21 Feb 2012 19:19:44 +0000
Subject: [PATCH] [KERNEL32]: Use macro for CreateMailSlotA->CreateMailSlotW.

svn path=/trunk/; revision=55791
---
 .../dll/win32/kernel32/client/file/mailslot.c | 28 ++-----------------
 reactos/dll/win32/kernel32/include/base_x.h   | 11 ++++++++
 2 files changed, 13 insertions(+), 26 deletions(-)

diff --git a/reactos/dll/win32/kernel32/client/file/mailslot.c b/reactos/dll/win32/kernel32/client/file/mailslot.c
index 8b3d05fde09..730a3e12879 100644
--- a/reactos/dll/win32/kernel32/client/file/mailslot.c
+++ b/reactos/dll/win32/kernel32/client/file/mailslot.c
@@ -26,32 +26,8 @@ CreateMailslotA(IN LPCSTR lpName,
                 IN DWORD lReadTimeout,
                 IN LPSECURITY_ATTRIBUTES lpSecurityAttributes)
 {
-    PUNICODE_STRING NameU;
-    ANSI_STRING NameA;
-    NTSTATUS Status;
-
-    NameU = &NtCurrentTeb()->StaticUnicodeString;
-
-    RtlInitAnsiString(&NameA, (LPSTR)lpName);
-    Status = RtlAnsiStringToUnicodeString(NameU, &NameA, FALSE);
-    if (!NT_SUCCESS(Status))
-    {
-        if (Status == STATUS_BUFFER_OVERFLOW)
-        {
-            SetLastError(ERROR_FILENAME_EXCED_RANGE);
-        }
-        else
-        {
-            BaseSetLastNTError(Status);
-        }
-
-        return INVALID_HANDLE_VALUE;
-    }
-
-    return CreateMailslotW(NameU->Buffer,
-                           nMaxMessageSize,
-                           lReadTimeout,
-                           lpSecurityAttributes);
+    /* Call the W(ide) function */
+    ConvertWin32AnsiObjectApiToUnicodeApi2(Mailslot, lpName, nMaxMessageSize, lReadTimeout, lpSecurityAttributes);
 }
 
 /*
diff --git a/reactos/dll/win32/kernel32/include/base_x.h b/reactos/dll/win32/kernel32/include/base_x.h
index faca2f97d56..62ed8f5c4c5 100644
--- a/reactos/dll/win32/kernel32/include/base_x.h
+++ b/reactos/dll/win32/kernel32/include/base_x.h
@@ -58,6 +58,17 @@
     if (NT_SUCCESS(Status)) return Create##obj##W(__VA_ARGS__, UnicodeCache->Buffer);  \
     ConvertAnsiToUnicodeEpilogue
 
+//
+// This macro uses the ConvertAnsiToUnicode macros above to convert a CreateXxxA
+// Win32 API into its equivalent CreateXxxW API.
+//
+#define ConvertWin32AnsiObjectApiToUnicodeApi2(obj, name, ...)                  \
+    ConvertAnsiToUnicodePrologue                                                \
+    if (!name) return Create##obj##W(NULL, __VA_ARGS__);                        \
+    ConvertAnsiToUnicodeBody(name)                                              \
+    if (NT_SUCCESS(Status)) return Create##obj##W(UnicodeCache->Buffer, __VA_ARGS__);  \
+    ConvertAnsiToUnicodeEpilogue
+
 //
 // This macro uses the ConvertAnsiToUnicode macros above to convert a FindFirst*A
 // Win32 API into its equivalent FindFirst*W API.