[ADVAPI32]: Don't directly redirect IsTextUnicode to RtlIsTextUnicode, but use a...

[reactos.git] / reactos / dll / win32 / advapi32 / misc / unicode.c

diff --git a/reactos/dll/win32/advapi32/misc/unicode.c b/reactos/dll/win32/advapi32/misc/unicode.c
new file mode 100644 (file)
index 0000000..54201bf
--- /dev/null
+++ b/reactos/dll/win32/advapi32/misc/unicode.c
@@ -0,0 +1,36 @@
+/*
+ * COPYRIGHT:   See COPYING in the top level directory
+ * PROJECT:     ReactOS system libraries
+ * FILE:        dll/win32/advapi32/misc/unicode.c
+ * PURPOSE:     Unicode helper. Needed because RtlIsTextUnicode returns a
+ *              BOOLEAN (byte) while IsTextUnicode returns a BOOL (long).
+ *              The high bytes of the return value should be correctly set,
+ *              hence a direct redirection cannot be done.
+ */
+
+#include <advapi32.h>
+
+WINE_DEFAULT_DEBUG_CHANNEL(advapi);
+
+/**************************************************************************
+ *  IsTextUnicode (ADVAPI32.@)
+ *
+ * Attempt to guess whether a text buffer is Unicode.
+ *
+ * PARAMS
+ *  lpv       [I] Text buffer to test
+ *  iSize     [I] Length of lpv
+ *  lpiResult [O] Destination for test results
+ *
+ * RETURNS
+ *  TRUE if the buffer is likely Unicode, FALSE otherwise.
+ */
+BOOL WINAPI
+IsTextUnicode(IN CONST VOID* lpv,
+              IN INT iSize,
+              IN OUT LPINT lpiResult OPTIONAL)
+{
+    return (RtlIsTextUnicode(lpv, iSize, lpiResult) == TRUE);
+}
+
+/* EOF */