icuSources/tools/tzcode/tz2icu.h

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /*
   4 **********************************************************************
   5 * Copyright (c) 2003-2013, International Business Machines
   6 * Corporation and others.  All Rights Reserved.
   7 **********************************************************************
   8 * Author: Alan Liu
   9 * Created: July 10 2003
  10 * Since: ICU 2.8
  11 **********************************************************************
  12 */
  13
  14 #ifndef _TZ2ICU_H_
  15 #define _TZ2ICU_H_
  16
  17 /* We have modified the zoneinfo binary format (we write raw offset
  18  * and DST offset separately instead of their sum) so we notate the
  19  * file with a distinct signature.  This prevents someone from trying
  20  * to use our output files as normal zoneinfo files, and also prevents
  21  * someone from trying to use normal zoneinfo files for ICU.  We also
  22  * use the first byte of the reserved section as a version integer, to
  23  * be incremented each time the data format changes.
  24  */
  25
  26 #define TZ_ICU_MAGIC "TZic" /* cf. TZ_MAGIC = "TZif" */
  27
  28 typedef unsigned char ICUZoneinfoVersion;
  29
  30 #define TZ_ICU_VERSION ((ICUZoneinfoVersion) 1)
  31
  32 /* File into which we will write supplemental ICU data.  This allows
  33  * zic to communicate final zone data to tz2icu. */
  34 #define ICU_ZONE_FILE "icu_zone.txt"
  35
  36 /* Output resource name.  This determines both the file name and the
  37  * resource name within the file.  That is, the output will be to the
  38  * file ICU_TZ_RESOURCE ".txt" and the resource within it will be
  39  * ICU_TZ_RESOURCE. */
  40 #define ICU_TZ_RESOURCE_OLD "zoneinfo"
  41 #define ICU_TZ_RESOURCE "zoneinfo64"
  42
  43 /* File containinng custom zone-region mapping. */
  44 #define ICU_REGIONS "icuregions"
  45
  46 #endif