ICU-59117.0.1.tar.gz

[apple/icu.git] / icuSources / common / unicode / utf_old.h

diff --git a/icuSources/common/unicode/utf_old.h b/icuSources/common/unicode/utf_old.h
index f9125b1dd2ed7e1c684da1654f5e47dd7cd5fb14..250cb8c0ae01b3fa1afc5d0668840a521c93d06b 100644 (file)
--- a/icuSources/common/unicode/utf_old.h
+++ b/icuSources/common/unicode/utf_old.h
@@ -1,3 +1,5 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
 *******************************************************************************
 *
@@ -6,7 +8,7 @@
 *
 *******************************************************************************
 *   file name:  utf_old.h
-*   encoding:   US-ASCII
+*   encoding:   UTF-8
 *   tab size:   8 (not used)
 *   indentation:4
 *
@@ -15,12 +17,12 @@
 */
 
 /**
- * \file 
+ * \file
  * \brief C API: Deprecated macros for Unicode string handling
  */
 
 /**
- * 
+ *
  * The macros in utf_old.h are all deprecated and their use discouraged.
  * Some of the design principles behind the set of UTF macros
  * have changed or proved impractical.
@@ -265,6 +267,25 @@ typedef int32_t UTextOffset;
 
 /* Formerly utf8.h ---------------------------------------------------------- */
 
+/**
+* \var utf8_countTrailBytes
+* Internal array with numbers of trail bytes for any given byte used in
+* lead byte position.
+*
+* This is internal since it is not meant to be called directly by external clients;
+* however it is called by public macros in this file and thus must remain stable,
+* and should not be hidden when other internal functions are hidden (otherwise
+* public macros would fail to compile).
+* @internal
+*/
+#ifdef U_UTF8_IMPL
+// No forward declaration if compiling utf_impl.cpp, which defines utf8_countTrailBytes.
+#elif defined(U_STATIC_IMPLEMENTATION) || defined(U_COMMON_IMPLEMENTATION)
+U_CFUNC const uint8_t utf8_countTrailBytes[];
+#else
+U_CFUNC U_IMPORT const uint8_t utf8_countTrailBytes[];    /* U_IMPORT2? */ /*U_IMPORT*/
+#endif
+
 /**
  * Count the trail bytes for a UTF-8 lead byte.
  * @deprecated ICU 2.4. Renamed to U8_COUNT_TRAIL_BYTES, see utf_old.h.