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1 /*
2 **********************************************************************
3 * Copyright (c) 2003-2004, International Business Machines
4 * Corporation and others.  All Rights Reserved.
5 **********************************************************************
6 * Author: Alan Liu
7 * Created: July 10 2003
8 * Since: ICU 2.8
9 **********************************************************************
10 */
11 
12 #ifndef _TZ2ICU_H_
13 #define _TZ2ICU_H_
14 
15 /* We have modified the zoneinfo binary format (we write raw offset
16  * and DST offset separately instead of their sum) so we notate the
17  * file with a distinct signature.  This prevents someone from trying
18  * to use our output files as normal zoneinfo files, and also prevents
19  * someone from trying to use normal zoneinfo files for ICU.  We also
20  * use the first byte of the reserved section as a version integer, to
21  * be incremented each time the data format changes.
22  */
23 
24 #define TZ_ICU_MAGIC "TZic" /* cf. TZ_MAGIC = "TZif" */
25 
26 typedef unsigned char ICUZoneinfoVersion;
27 
28 #define TZ_ICU_VERSION ((ICUZoneinfoVersion) 1)
29 
30 /* File into which we will write supplemental ICU data.  This allows
31  * zic to communicate final zone data to tz2icu. */
32 #define ICU_ZONE_FILE "icu_zone.txt"
33 
34 /* File containing legacy aliases.  Read by tz2icu. */
35 #define ICU_TZ_ALIAS  "tz.alias"
36 
37 /* Output resource name.  This determines both the file name and the
38  * resource name within the file.  That is, the output will be to the
39  * file ICU_TZ_RESOURCE ".txt" and the resource within it will be
40  * ICU_TZ_RESOURCE. */
41 #define ICU_TZ_RESOURCE "zoneinfo"
42 
43 #endif
44