shcore: Add StrDupA()/StrDupW().

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/shcore/main.c

@@ -1409,3 +1409,49 @@ BOOL WINAPI SHCreateThread(LPTHREAD_START_ROUTINE thread_proc, void *data, DWORD
 
     return called;
 }
+
+/*************************************************************************
+ * SHStrDupW    [SHCORE.@]
+ */
+HRESULT WINAPI SHStrDupW(const WCHAR *src, WCHAR **dest)
+{
+    size_t len;
+
+    TRACE("(%s, %p)\n", debugstr_w(src), dest);
+
+    *dest = NULL;
+
+    if (!src)
+        return E_INVALIDARG;
+
+    len = (strlenW(src) + 1) * sizeof(WCHAR);
+    *dest = CoTaskMemAlloc(len);
+    if (!*dest)
+        return E_OUTOFMEMORY;
+
+    memcpy(*dest, src, len);
+
+    return S_OK;
+}
+
+/*************************************************************************
+ * SHStrDupA    [SHCORE.@]
+ */
+HRESULT WINAPI SHStrDupA(const char *src, WCHAR **dest)
+{
+    DWORD len;
+
+    *dest = NULL;
+
+    if (!src)
+        return E_INVALIDARG;
+
+    len = MultiByteToWideChar(CP_ACP, 0, src, -1, NULL, 0);
+    *dest = CoTaskMemAlloc(len * sizeof(WCHAR));
+    if (!*dest)
+        return E_OUTOFMEMORY;
+
+    MultiByteToWideChar(CP_ACP, 0, src, -1, *dest, len);
+
+    return S_OK;
+}

dlls/shcore/shcore.spec

@@ -73,8 +73,8 @@
 @ stdcall SHSetThreadRef(ptr)
 @ stdcall SHSetValueA(long  str  str long ptr long) shlwapi.SHSetValueA
 @ stdcall SHSetValueW(long wstr wstr long ptr long) shlwapi.SHSetValueW
-@ stdcall SHStrDupA(str ptr) shlwapi.SHStrDupA
-@ stdcall SHStrDupW(wstr ptr) shlwapi.SHStrDupW
+@ stdcall SHStrDupA(str ptr)
+@ stdcall SHStrDupW(wstr ptr)
 @ stdcall SHUnicodeToAnsi(wstr ptr ptr) shlwapi.SHUnicodeToAnsi
 @ stdcall SHUnicodeToUnicode(wstr ptr long) shlwapi.SHUnicodeToUnicode
 @ stdcall SetCurrentProcessExplicitAppUserModelID(wstr)