Create a branch for audio work

svn path=/branches/audio-bringup/; revision=49478

lib/sdk/crt/string/wcstombs_nt.c

@@ -0,0 +1,59 @@
+#define WIN32_NO_STATUS
+#include <windows.h>
+#include <ndk/umtypes.h>
+#include <ndk/rtlfuncs.h>
+
+/*
+ * @implemented
+ */
+int wctomb (char *mbchar, wchar_t wchar)
+{
+	NTSTATUS Status;
+	ULONG Size;
+
+	if (mbchar == NULL)
+		return 0;
+
+	Status = RtlUnicodeToMultiByteN (mbchar,
+	                                 1,
+	                                 &Size,
+	                                 &wchar,
+	                                 sizeof(WCHAR));
+	if (!NT_SUCCESS(Status))
+		return -1;
+
+	return (int)Size;
+}
+
+/*
+ * @implemented
+ */
+size_t wcstombs (char *mbstr, const wchar_t *wcstr, size_t count)
+{
+	NTSTATUS Status;
+	ULONG Size;
+	ULONG Length;
+
+	Length = wcslen (wcstr);
+
+	if (mbstr == NULL)
+	{
+		RtlUnicodeToMultiByteSize (&Size,
+		                           (wchar_t*)((size_t)wcstr),
+		                           Length * sizeof(WCHAR));
+
+		return (size_t)Size;
+	}
+
+	Status = RtlUnicodeToMultiByteN (mbstr,
+	                                 count,
+	                                 &Size,
+	                                 (wchar_t*)((size_t)wcstr),
+	                                 Length * sizeof(WCHAR));
+	if (!NT_SUCCESS(Status))
+		return -1;
+
+	return (size_t)Size;
+}
+
+/* EOF */