+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
*
-* Copyright (C) 1997-2011, International Business Machines
+* Copyright (C) 1997-2014, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
/**
* Platform utilities isolates the platform dependencies of the
- * libarary. For each platform which this code is ported to, these
+ * library. For each platform which this code is ported to, these
* functions may have to be re-implemented.
*/
* The data directory is determined as follows:
* If u_setDataDirectory() has been called, that is it, otherwise
* if the ICU_DATA environment variable is set, use that, otherwise
- * If a data directory was specifed at ICU build time
+ * If a data directory was specified at ICU build time
* <code>
* \code
* #define ICU_DATA_DIR "path"
*/
U_STABLE const char* U_EXPORT2 u_getDataDirectory(void);
+
/**
* Set the ICU data directory.
* The data directory is where common format ICU data files (.dat files)
*/
U_STABLE void U_EXPORT2 u_setDataDirectory(const char *directory);
+#ifndef U_HIDE_INTERNAL_API
+/**
+ * Return the time zone files override directory, or an empty string if
+ * no directory was specified. Certain time zone resources will be preferentially
+ * loaded from individual files in this directory.
+ *
+ * @return the time zone data override directory.
+ * @internal
+ */
+U_INTERNAL const char * U_EXPORT2 u_getTimeZoneFilesDirectory(UErrorCode *status);
+
+/**
+ * Set the time zone files override directory.
+ * This function is not thread safe; it must not be called concurrently with
+ * u_getTimeZoneFilesDirectory() or any other use of ICU time zone functions.
+ * This function should only be called before using any ICU service that
+ * will access the time zone data.
+ * @internal
+ */
+U_INTERNAL void U_EXPORT2 u_setTimeZoneFilesDirectory(const char *path, UErrorCode *status);
+#endif /* U_HIDE_INTERNAL_API */
+
+
/**
* @{
* Filesystem file and path separator characters.
* Example: '/' and ':' on Unix, '\\' and ';' on Windows.
* @stable ICU 2.0
*/
-#if U_PLATFORM == U_PF_CLASSIC_MACOS
-# define U_FILE_SEP_CHAR ':'
-# define U_FILE_ALT_SEP_CHAR ':'
-# define U_PATH_SEP_CHAR ';'
-# define U_FILE_SEP_STRING ":"
-# define U_FILE_ALT_SEP_STRING ":"
-# define U_PATH_SEP_STRING ";"
-#elif U_PLATFORM_USES_ONLY_WIN32_API
+#if U_PLATFORM_USES_ONLY_WIN32_API
# define U_FILE_SEP_CHAR '\\'
# define U_FILE_ALT_SEP_CHAR '/'
# define U_PATH_SEP_CHAR ';'