1 /* Copyright (C) 2007-2008 The Android Open Source Project 2 ** 3 ** This software is licensed under the terms of the GNU General Public 4 ** License version 2, as published by the Free Software Foundation, and 5 ** may be copied, distributed, and modified under those terms. 6 ** 7 ** This program is distributed in the hope that it will be useful, 8 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 9 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 ** GNU General Public License for more details. 11 */ 12 #ifndef _ANDROID_UTILS_TIMEZONE_H 13 #define _ANDROID_UTILS_TIMEZONE_H 14 15 /* try to set the default host timezone, returns 0 on success, or -1 if 16 * 'tzname' is not in zoneinfo format (e.g. Area/Location) 17 */ 18 extern int timezone_set( const char* tzname ); 19 20 /* append the current host "zoneinfo" timezone name to a given buffer. note 21 * that this is something like "America/Los_Angeles", and not the human-friendly "PST" 22 * this is required by the Android emulated system... 23 * 24 * the implementation of this function is really tricky and is OS-dependent 25 * on Unix systems, it needs to cater to the TZ environment variable, uhhh 26 * 27 * if TZ is defined to something like "CET" or "PST", this will return the name "Unknown/Unknown" 28 */ 29 extern char* bufprint_zoneinfo_timezone( char* buffer, char* end ); 30 31 #endif /* _ANDROID_UTILS_TIMEZONE_H */ 32