ICU-64232.0.1.tar.gz

[apple/icu.git] / icuSources / common / uinvchar.h

diff --git a/icuSources/common/uinvchar.h b/icuSources/common/uinvchar.h
index 0f405727dd06ccdeb57c13bee6d8ab9d4f07b7e9..56dddfa8fde9bbb84e2bd9bbb94b7304b72dbbc9 100644 (file)
--- a/icuSources/common/uinvchar.h
+++ b/icuSources/common/uinvchar.h
@@ -1,12 +1,14 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
 *******************************************************************************
 *
-*   Copyright (C) 1999-2010, International Business Machines
+*   Copyright (C) 1999-2015, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
 *   file name:  uinvchar.h
-*   encoding:   US-ASCII
+*   encoding:   UTF-8
 *   tab size:   8 (not used)
 *   indentation:2
 *
@@ -21,6 +23,9 @@
 #define __UINVCHAR_H__
 
 #include "unicode/utypes.h"
+#ifdef __cplusplus
+#include "unicode/unistr.h"
+#endif
 
 /**
  * Check if a char string only contains invariant characters.
@@ -83,6 +88,26 @@ uprv_compareInvEbcdicAsAscii(const char *s1, const char *s2);
 #   error Unknown charset family!
 #endif
 
+/**
+ * Converts an EBCDIC invariant character to lowercase ASCII.
+ * @internal
+ */
+U_INTERNAL char U_EXPORT2
+uprv_ebcdicToLowercaseAscii(char c);
+
+/**
+ * \def uprv_invCharToLowercaseAscii
+ * Converts an invariant character to lowercase ASCII.
+ * @internal
+ */
+#if U_CHARSET_FAMILY==U_ASCII_FAMILY
+#   define uprv_invCharToLowercaseAscii uprv_asciitolower
+#elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
+#   define uprv_invCharToLowercaseAscii uprv_ebcdicToLowercaseAscii
+#else
+#   error Unknown charset family!
+#endif
+
 /**
  * Copy EBCDIC to ASCII
  * @internal