ICU-461.12.tar.gz

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

diff --git a/icuSources/common/unicode/icudataver.h b/icuSources/common/unicode/icudataver.h
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+/*
+******************************************************************************
+*
+*   Copyright (C) 2009-2010, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+******************************************************************************
+*/
+
+#ifndef __ICU_DATA_VER_H__
+#define __ICU_DATA_VER_H__
+
+#include "unicode/utypes.h"
+
+/**
+ * @internal ICU 4.4
+ */
+#define U_ICU_VERSION_BUNDLE "icuver"
+
+/**
+ * @internal ICU 4.4
+ */
+#define U_ICU_STD_BUNDLE "icustd"
+
+/**
+ * @internal ICU 4.4
+ */
+#define U_ICU_DATA_KEY "DataVersion"
+
+/**
+ * This function loads up icuver and compares the data version to the wired-in U_ICU_DATA_VERSION.
+ * If icuver shows something less than U_ICU_DATA_VERSION it returns TRUE, else FALSE. The version
+ * found will be returned in the first fillin parameter (if non-null), and *isModified will be set
+ * to TRUE if "icustd" is NOT found. Thus, if the data has been repackaged or modified, "icustd"
+ * (standard ICU) will be missing, and the function will alert the caller that the data is not standard.
+ * 
+ * @param dataVersionFillin icuver data version information to be filled in if not-null
+ * @param isModifiedFillin if the data is not standard if not-null
+ * @param status stores the error code from the calls to resource bundle
+ *
+ * @return TRUE if U_ICU_DATA_VERSION is newer than icuver, else FALSE
+ * 
+ * @internal ICU 4.4
+ */
+U_INTERNAL UBool U_EXPORT2 u_isDataOlder(UVersionInfo dataVersionFillin, UBool *isModifiedFillin, UErrorCode *status);
+
+/**
+ * Retrieves the data version from icuver and stores it in dataVersionFillin.
+ * 
+ * @param dataVersionFillin icuver data version information to be filled in if not-null
+ * @param status stores the error code from the calls to resource bundle
+ * 
+ * @internal ICU 4.4
+ */
+U_INTERNAL void U_EXPORT2 u_getDataVersion(UVersionInfo dataVersionFillin, UErrorCode *status);
+
+#endif