From 5a11999b8608b63b0c523cc49d819a00b83276e4 Mon Sep 17 00:00:00 2001
From: Rob Shearman <rob@codeweavers.com>
Date: Mon, 14 Jan 2008 11:56:36 +0000
Subject: [PATCH] mlang: Implement Rfc1766ToLcidW.

---
 dlls/mlang/mlang.c    | 32 +++++++++++++++++++++++++++-----
 dlls/mlang/mlang.spec |  2 +-
 2 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/dlls/mlang/mlang.c b/dlls/mlang/mlang.c
index ac455e6ef03..42da54e8425 100644
--- a/dlls/mlang/mlang.c
+++ b/dlls/mlang/mlang.c
@@ -46,6 +46,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(mlang);
 #define ICOM_THIS_MULTI(impl,field,iface) impl* const This=(impl*)((char*)(iface) - offsetof(impl,field))
 
 static HRESULT MultiLanguage_create(IUnknown *pUnkOuter, LPVOID *ppObj);
+static HRESULT EnumRfc1766_create(LANGID LangId, IEnumRfc1766 **ppEnum);
 
 static DWORD MLANG_tls_index; /* to store various per thead data */
 
@@ -761,6 +762,28 @@ static HRESULT lcid_from_rfc1766(IEnumRfc1766 *iface, LCID *lcid, LPCWSTR rfc176
     return E_FAIL;
 }
 
+HRESULT WINAPI Rfc1766ToLcidW(LCID *pLocale, LPCWSTR pszRfc1766)
+{
+    IEnumRfc1766 *enumrfc1766;
+    HRESULT hr;
+
+    TRACE("(%p, %s)\n", pLocale, debugstr_w(pszRfc1766));
+
+    if (!pLocale || !pszRfc1766)
+        return E_INVALIDARG;
+
+    *pLocale = 0;
+
+    hr = EnumRfc1766_create(0, &enumrfc1766);
+    if (FAILED(hr))
+        return hr;
+
+    hr = lcid_from_rfc1766(enumrfc1766, pLocale, pszRfc1766);
+    IEnumRfc1766_Release(enumrfc1766);
+
+    return hr;
+}
+
 /******************************************************************************
  * MLANG ClassFactory
  */
@@ -1868,13 +1891,12 @@ static BOOL CALLBACK enum_locales_proc(LPWSTR locale)
     return TRUE;
 }
 
-static HRESULT EnumRfc1766_create(MLang_impl* mlang, LANGID LangId,
-                                  IEnumRfc1766 **ppEnum)
+static HRESULT EnumRfc1766_create(LANGID LangId, IEnumRfc1766 **ppEnum)
 {
     EnumRfc1766_impl *rfc;
     struct enum_locales_data data;
 
-    TRACE("%p, %04x, %p\n", mlang, LangId, ppEnum);
+    TRACE("%04x, %p\n", LangId, ppEnum);
 
     rfc = HeapAlloc( GetProcessHeap(), 0, sizeof(EnumRfc1766_impl) );
     rfc->vtbl_IEnumRfc1766 = &IEnumRfc1766_vtbl;
@@ -1918,7 +1940,7 @@ static HRESULT WINAPI fnIMultiLanguage_EnumRfc1766(
     ICOM_THIS_MULTI(MLang_impl, vtbl_IMultiLanguage, iface);
     TRACE("%p %p\n", This, ppEnumRfc1766);
 
-    return EnumRfc1766_create(This, 0, ppEnumRfc1766);
+    return EnumRfc1766_create(0, ppEnumRfc1766);
 }
 
 /******************************************************************************/
@@ -2243,7 +2265,7 @@ static HRESULT WINAPI fnIMultiLanguage2_EnumRfc1766(
     ICOM_THIS_MULTI(MLang_impl, vtbl_IMultiLanguage, iface);
     TRACE("%p %p\n", This, ppEnumRfc1766);
 
-    return EnumRfc1766_create(This, LangId, ppEnumRfc1766);
+    return EnumRfc1766_create(LangId, ppEnumRfc1766);
 }
 
 static HRESULT WINAPI fnIMultiLanguage2_GetRfc1766Info(
diff --git a/dlls/mlang/mlang.spec b/dlls/mlang/mlang.spec
index 5b067ed2719..d087b3c675e 100644
--- a/dlls/mlang/mlang.spec
+++ b/dlls/mlang/mlang.spec
@@ -11,4 +11,4 @@
 @ stdcall LcidToRfc1766A(long ptr long)
 @ stdcall LcidToRfc1766W(long ptr long)
 @ stub Rfc1766ToLcidA
-@ stub Rfc1766ToLcidW
+@ stdcall Rfc1766ToLcidW(ptr wstr)