icuSources/common/unicode/icudataver.h

   1 /*
   2 ******************************************************************************
   3 *
   4 *   Copyright (C) 2009-2010, International Business Machines
   5 *   Corporation and others.  All Rights Reserved.
   6 *
   7 ******************************************************************************
   8 */
   9
  10 #ifndef __ICU_DATA_VER_H__
  11 #define __ICU_DATA_VER_H__
  12
  13 #include "unicode/utypes.h"
  14
  15 /**
  16  * @internal ICU 4.4
  17  */
  18 #define U_ICU_VERSION_BUNDLE "icuver"
  19
  20 /**
  21  * @internal ICU 4.4
  22  */
  23 #define U_ICU_STD_BUNDLE "icustd"
  24
  25 /**
  26  * @internal ICU 4.4
  27  */
  28 #define U_ICU_DATA_KEY "DataVersion"
  29
  30 /**
  31  * This function loads up icuver and compares the data version to the wired-in U_ICU_DATA_VERSION.
  32  * If icuver shows something less than U_ICU_DATA_VERSION it returns TRUE, else FALSE. The version
  33  * found will be returned in the first fillin parameter (if non-null), and *isModified will be set
  34  * to TRUE if "icustd" is NOT found. Thus, if the data has been repackaged or modified, "icustd"
  35  * (standard ICU) will be missing, and the function will alert the caller that the data is not standard.
  36  *
  37  * @param dataVersionFillin icuver data version information to be filled in if not-null
  38  * @param isModifiedFillin if the data is not standard if not-null
  39  * @param status stores the error code from the calls to resource bundle
  40  *
  41  * @return TRUE if U_ICU_DATA_VERSION is newer than icuver, else FALSE
  42  *
  43  * @internal ICU 4.4
  44  */
  45 U_INTERNAL UBool U_EXPORT2 u_isDataOlder(UVersionInfo dataVersionFillin, UBool *isModifiedFillin, UErrorCode *status);
  46
  47 /**
  48  * Retrieves the data version from icuver and stores it in dataVersionFillin.
  49  *
  50  * @param dataVersionFillin icuver data version information to be filled in if not-null
  51  * @param status stores the error code from the calls to resource bundle
  52  *
  53  * @internal ICU 4.4
  54  */
  55 U_INTERNAL void U_EXPORT2 u_getDataVersion(UVersionInfo dataVersionFillin, UErrorCode *status);
  56
  57 #endif