コード例 #1
0
int32_t
RuleBasedTimeZone::getRawOffset(void) const {
    // Note: This implementation returns standard GMT offset
    // as of current time.
    UErrorCode status = U_ZERO_ERROR;
    int32_t raw, dst;
    getOffset(uprv_getUTCtime() * U_MILLIS_PER_SECOND,
        FALSE, raw, dst, status);
    return raw;
}
コード例 #2
0
ファイル: tzgnames.cpp プロジェクト: 119120119/node
U_CDECL_END

/**
 * Function used for removing unreferrenced cache entries exceeding
 * the expiration time. This function must be called with in the mutex
 * block.
 */
static void sweepCache() {
    int32_t pos = UHASH_FIRST;
    const UHashElement* elem;
    double now = (double)uprv_getUTCtime();

    while ((elem = uhash_nextElement(gTZGNCoreCache, &pos))) {
        TZGNCoreRef *entry = (TZGNCoreRef *)elem->value.pointer;
        if (entry->refCount <= 0 && (now - entry->lastAccess) > CACHE_EXPIRATION) {
            // delete this entry
            uhash_removeElement(gTZGNCoreCache, elem);
        }
    }
}
コード例 #3
0
UBool
RuleBasedTimeZone::useDaylightTime(void) const {
    // Note: This implementation returns true when
    // daylight saving time is used as of now or
    // after the next transition.
    UErrorCode status = U_ZERO_ERROR;
    UDate now = uprv_getUTCtime() * U_MILLIS_PER_SECOND;
    int32_t raw, dst;
    getOffset(now, FALSE, raw, dst, status);
    if (dst != 0) {
        return TRUE;
    }
    // If DST is not used now, check if DST is used after the next transition
    UDate time;
    TimeZoneRule *from, *to;
    UBool avail = findNext(now, FALSE, time, from, to);
    if (avail && to->getDSTSavings() != 0) {
        return TRUE;
    }
    return FALSE;
}
コード例 #4
0
ファイル: calendar.cpp プロジェクト: gitpan/ponie
UDate
Calendar::getNow()
{
    return (UDate)uprv_getUTCtime() * U_MILLIS_PER_SECOND; // return as milliseconds
}
コード例 #5
0
ファイル: tzgnames.cpp プロジェクト: 119120119/node
TimeZoneGenericNames*
TimeZoneGenericNames::createInstance(const Locale& locale, UErrorCode& status) {
    if (U_FAILURE(status)) {
        return NULL;
    }
    TimeZoneGenericNames* instance = new TimeZoneGenericNames();
    if (instance == NULL) {
        status = U_MEMORY_ALLOCATION_ERROR;
        return NULL;
    }

    TZGNCoreRef *cacheEntry = NULL;
    {
        Mutex lock(&gTZGNLock);

        if (!gTZGNCoreCacheInitialized) {
            // Create empty hashtable
            gTZGNCoreCache = uhash_open(uhash_hashChars, uhash_compareChars, NULL, &status);
            if (U_SUCCESS(status)) {
                uhash_setKeyDeleter(gTZGNCoreCache, uprv_free);
                uhash_setValueDeleter(gTZGNCoreCache, deleteTZGNCoreRef);
                gTZGNCoreCacheInitialized = TRUE;
                ucln_i18n_registerCleanup(UCLN_I18N_TIMEZONEGENERICNAMES, tzgnCore_cleanup);
            }
        }
        if (U_FAILURE(status)) {
            return NULL;
        }

        // Check the cache, if not available, create new one and cache
        const char *key = locale.getName();
        cacheEntry = (TZGNCoreRef *)uhash_get(gTZGNCoreCache, key);
        if (cacheEntry == NULL) {
            TZGNCore *tzgnCore = NULL;
            char *newKey = NULL;

            tzgnCore = new TZGNCore(locale, status);
            if (tzgnCore == NULL) {
                status = U_MEMORY_ALLOCATION_ERROR;
            }
            if (U_SUCCESS(status)) {
                newKey = (char *)uprv_malloc(uprv_strlen(key) + 1);
                if (newKey == NULL) {
                    status = U_MEMORY_ALLOCATION_ERROR;
                } else {
                    uprv_strcpy(newKey, key);
                }
            }
            if (U_SUCCESS(status)) {
                cacheEntry = (TZGNCoreRef *)uprv_malloc(sizeof(TZGNCoreRef));
                if (cacheEntry == NULL) {
                    status = U_MEMORY_ALLOCATION_ERROR;
                } else {
                    cacheEntry->obj = tzgnCore;
                    cacheEntry->refCount = 1;
                    cacheEntry->lastAccess = (double)uprv_getUTCtime();

                    uhash_put(gTZGNCoreCache, newKey, cacheEntry, &status);
                }
            }
            if (U_FAILURE(status)) {
                if (tzgnCore != NULL) {
                    delete tzgnCore;
                }
                if (newKey != NULL) {
                    uprv_free(newKey);
                }
                if (cacheEntry != NULL) {
                    uprv_free(cacheEntry);
                }
                cacheEntry = NULL;
            }
        } else {
            // Update the reference count
            cacheEntry->refCount++;
            cacheEntry->lastAccess = (double)uprv_getUTCtime();
        }
        gAccessCount++;
        if (gAccessCount >= SWEEP_INTERVAL) {
            // sweep
            sweepCache();
            gAccessCount = 0;
        }
    }  // End of mutex locked block

    if (cacheEntry == NULL) {
        delete instance;
        return NULL;
    }

    instance->fRef = cacheEntry;
    return instance;
}
コード例 #6
0
ファイル: icuinfo.cpp プロジェクト: venkatarajasekhar/Qt
void cmd_millis()
{
  printf("Milliseconds since Epoch: %.0f\n", uprv_getUTCtime());
}
コード例 #7
0
ファイル: iotest.cpp プロジェクト: hihihippp/build-couchdb-1
U_CDECL_END

int main(int argc, char* argv[])
{
    int32_t nerrors = 0;
    TestNode *root = NULL;
    UErrorCode errorCode = U_ZERO_ERROR;
    UDate startTime, endTime;
    int32_t diffTime;

    startTime = uprv_getUTCtime();

    /* Check whether ICU will initialize without forcing the build data directory into
    *  the ICU_DATA path.  Success here means either the data dll contains data, or that
    *  this test program was run with ICU_DATA set externally.  Failure of this check
    *  is normal when ICU data is not packaged into a shared library.
    *
    *  Whether or not this test succeeds, we want to cleanup and reinitialize
    *  with a data path so that data loading from individual files can be tested.
    */
    u_init(&errorCode);
    if (U_FAILURE(errorCode)) {
        fprintf(stderr,
                "#### Note:  ICU Init without build-specific setDataDirectory() failed.\n");
    }
    u_cleanup();
    errorCode = U_ZERO_ERROR;
    if (!initArgs(argc, argv, argHandler, (void *) &STANDARD_TEST_FILE)) {
        /* Error already displayed. */
        return -1;
    }

    /* Initialize ICU */
    ctest_setICU_DATA();    /* u_setDataDirectory() must happen Before u_init() */
    u_init(&errorCode);
    if (U_FAILURE(errorCode)) {
        fprintf(stderr,
                "#### ERROR! %s: u_init() failed with status = \"%s\".\n"
                "*** Check the ICU_DATA environment variable and \n"
                "*** check that the data files are present.\n", argv[0], u_errorName(errorCode));
        return 1;
    }

    fprintf(stdout, "Default charset for this run is %s\n", ucnv_getDefaultName());

    addAllTests(&root);
    nerrors = runTestRequest(root, argc, argv);

#if 1
    {
        FILE* fileToRemove = fopen(STANDARD_TEST_FILE, "r");
        /* This should delete any temporary files. */
        if (fileToRemove) {
            fclose(fileToRemove);
            if (remove(STANDARD_TEST_FILE) != 0) {
                /* Maybe someone didn't close the file correctly. */
                fprintf(stderr, "FAIL: Could not delete %s\n", STANDARD_TEST_FILE);
                nerrors += 1;
            }
        }
    }
#endif

    cleanUpTestTree(root);
    DataDrivenLogger::cleanUp();
    u_cleanup();

    endTime = uprv_getUTCtime();
    diffTime = (int32_t)(endTime - startTime);
    printf("Elapsed Time: %02d:%02d:%02d.%03d\n",
           (int)((diffTime%U_MILLIS_PER_DAY)/U_MILLIS_PER_HOUR),
           (int)((diffTime%U_MILLIS_PER_HOUR)/U_MILLIS_PER_MINUTE),
           (int)((diffTime%U_MILLIS_PER_MINUTE)/U_MILLIS_PER_SECOND),
           (int)(diffTime%U_MILLIS_PER_SECOND));

    return nerrors;
}
コード例 #8
0
static UBool getSystemTimeInformation(TimeZone *tz, SYSTEMTIME &daylightDate, SYSTEMTIME &standardDate, int32_t &bias, int32_t &daylightBias, int32_t &standardBias) {
    UErrorCode status = U_ZERO_ERROR;
    UBool result = TRUE;
    BasicTimeZone *btz = (BasicTimeZone*)tz; // we should check type
    InitialTimeZoneRule *initial = NULL;
    AnnualTimeZoneRule *std = NULL, *dst = NULL;

    btz->getSimpleRulesNear(uprv_getUTCtime(), initial, std, dst, status);
    if (U_SUCCESS(status)) {
        if (std == NULL || dst == NULL) {
            bias = -1 * (initial->getRawOffset()/60000);
            daylightBias = 0;
            // Do not use DST.  Set 0 to all stadardDate/daylightDate fields
            standardDate.wYear = standardDate.wMonth  = standardDate.wDayOfWeek = standardDate.wDay = 
            standardDate.wHour = standardDate.wMinute = standardDate.wSecond    = standardDate.wMilliseconds = 0;
            daylightDate.wYear = daylightDate.wMonth  = daylightDate.wDayOfWeek = daylightDate.wDay =
            daylightDate.wHour = daylightDate.wMinute = daylightDate.wSecond    = daylightDate.wMilliseconds = 0;
        } else {
            U_ASSERT(std->getRule()->getDateRuleType() == DateTimeRule::DOW);
            U_ASSERT(dst->getRule()->getDateRuleType() == DateTimeRule::DOW);

            bias = -1 * (std->getRawOffset()/60000);
            daylightBias = -1 * (dst->getDSTSavings()/60000);
            // Always use DOW type rule
            int32_t hour, min, sec, mil;
            standardDate.wYear = 0;
            standardDate.wMonth = std->getRule()->getRuleMonth() + 1;
            standardDate.wDay = std->getRule()->getRuleWeekInMonth();
            if (standardDate.wDay < 0) {
                standardDate.wDay = 5;
            }
            standardDate.wDayOfWeek = std->getRule()->getRuleDayOfWeek() - 1;

            mil = std->getRule()->getRuleMillisInDay();
            hour = mil/3600000;
            mil %= 3600000;
            min = mil/60000;
            mil %= 60000;
            sec = mil/1000;
            mil %= 1000;

            standardDate.wHour = hour;
            standardDate.wMinute = min;
            standardDate.wSecond = sec;
            standardDate.wMilliseconds = mil;

            daylightDate.wYear = 0;
            daylightDate.wMonth = dst->getRule()->getRuleMonth() + 1;
            daylightDate.wDay = dst->getRule()->getRuleWeekInMonth();
            if (daylightDate.wDay < 0) {
                daylightDate.wDay = 5;
            }
            daylightDate.wDayOfWeek = dst->getRule()->getRuleDayOfWeek() - 1;

            mil = dst->getRule()->getRuleMillisInDay();
            hour = mil/3600000;
            mil %= 3600000;
            min = mil/60000;
            mil %= 60000;
            sec = mil/1000;
            mil %= 1000;

            daylightDate.wHour = hour;
            daylightDate.wMinute = min;
            daylightDate.wSecond = sec;
            daylightDate.wMilliseconds = mil;
        }
    } else {
        result = FALSE;
    }

    delete initial;
    delete std;
    delete dst;

    return result;
}
コード例 #9
0
ファイル: putiltst.c プロジェクト: andrewleech/firebird
static void TestPUtilAPI(void){

    double  n1=0.0, y1=0.0, expn1, expy1;
    double  value1 = 0.021;
    UVersionInfo versionArray = {0x01, 0x00, 0x02, 0x02};
    char versionString[17]; /* xxx.xxx.xxx.xxx\0 */
    char *str=0;
    UBool isTrue=FALSE;

    log_verbose("Testing the API uprv_modf()\n");
    y1 = uprv_modf(value1, &n1);
    expn1=0;
    expy1=0.021;
    if(y1 != expy1   || n1 != expn1){
        log_err("Error in uprv_modf.  Expected IntegralValue=%f, Got=%f, \n Expected FractionalValue=%f, Got=%f\n",
             expn1, n1, expy1, y1);
    }
    if(VERBOSITY){
        log_verbose("[float]  x = %f  n = %f y = %f\n", value1, n1, y1);
    }
    log_verbose("Testing the API uprv_fmod()\n");
    expn1=uprv_fmod(30.50, 15.00);
    doAssert(expn1, 0.5, "uprv_fmod(30.50, 15.00) failed.");

    log_verbose("Testing the API uprv_ceil()\n");
    expn1=uprv_ceil(value1);
    doAssert(expn1, 1, "uprv_ceil(0.021) failed.");

    log_verbose("Testing the API uprv_floor()\n");
    expn1=uprv_floor(value1);
    doAssert(expn1, 0, "uprv_floor(0.021) failed.");

    log_verbose("Testing the API uprv_fabs()\n");
    expn1=uprv_fabs((2.02-1.345));
    doAssert(expn1, 0.675, "uprv_fabs(2.02-1.345) failed.");
    
    log_verbose("Testing the API uprv_fmax()\n");
    doAssert(uprv_fmax(2.4, 1.2), 2.4, "uprv_fmax(2.4, 1.2) failed.");

    log_verbose("Testing the API uprv_fmax() with x value= NaN\n");
    expn1=uprv_fmax(uprv_getNaN(), 1.2);
    doAssert(expn1, uprv_getNaN(), "uprv_fmax(uprv_getNaN(), 1.2) failed. when one parameter is NaN");

    log_verbose("Testing the API uprv_fmin()\n");
    doAssert(uprv_fmin(2.4, 1.2), 1.2, "uprv_fmin(2.4, 1.2) failed.");

    log_verbose("Testing the API uprv_fmin() with x value= NaN\n");
    expn1=uprv_fmin(uprv_getNaN(), 1.2);
    doAssert(expn1, uprv_getNaN(), "uprv_fmin(uprv_getNaN(), 1.2) failed. when one parameter is NaN");

    log_verbose("Testing the API uprv_max()\n");
    doAssert(uprv_max(4, 2), 4, "uprv_max(4, 2) failed.");

    log_verbose("Testing the API uprv_min()\n");
    doAssert(uprv_min(-4, 2), -4, "uprv_min(-4, 2) failed.");

    log_verbose("Testing the API uprv_trunc()\n");
    doAssert(uprv_trunc(12.3456), 12, "uprv_trunc(12.3456) failed.");
    doAssert(uprv_trunc(12.234E2), 1223, "uprv_trunc(12.234E2) failed.");
    doAssert(uprv_trunc(uprv_getNaN()), uprv_getNaN(), "uprv_trunc(uprv_getNaN()) failed. with parameter=NaN");
    doAssert(uprv_trunc(uprv_getInfinity()), uprv_getInfinity(), "uprv_trunc(uprv_getInfinity()) failed. with parameter=Infinity");


    log_verbose("Testing the API uprv_pow10()\n");
    doAssert(uprv_pow10(4), 10000, "uprv_pow10(4) failed.");

    log_verbose("Testing the API uprv_log10()\n");
    doAssert(uprv_log10(3456), 3, "uprv_log10(3456) failed.");
#ifdef OS390
    doAssert(uprv_log10(1.0e55), 55, "uprv_log10(1.0e55) failed.");
#else
    doAssert(uprv_log10(1.0e300), 300, "uprv_log10(1.0e300) failed.");
#endif          
    log_verbose("Testing the API uprv_isNegativeInfinity()\n");
    isTrue=uprv_isNegativeInfinity(uprv_getInfinity() * -1);
    if(isTrue != TRUE){
        log_err("ERROR: uprv_isNegativeInfinity failed.\n");
    }
    log_verbose("Testing the API uprv_isPositiveInfinity()\n");
    isTrue=uprv_isPositiveInfinity(uprv_getInfinity());
    if(isTrue != TRUE){
        log_err("ERROR: uprv_isPositiveInfinity failed.\n");
    }
    log_verbose("Testing the API uprv_isInfinite()\n");
    isTrue=uprv_isInfinite(uprv_getInfinity());
    if(isTrue != TRUE){
        log_err("ERROR: uprv_isInfinite failed.\n");
    }

#if 0
    log_verbose("Testing the API uprv_digitsAfterDecimal()....\n");
    doAssert(uprv_digitsAfterDecimal(value1), 3, "uprv_digitsAfterDecimal() failed.");
    doAssert(uprv_digitsAfterDecimal(1.2345E2), 2, "uprv_digitsAfterDecimal(1.2345E2) failed.");
    doAssert(uprv_digitsAfterDecimal(1.2345E-2), 6, "uprv_digitsAfterDecimal(1.2345E-2) failed.");
    doAssert(uprv_digitsAfterDecimal(1.2345E2), 2, "uprv_digitsAfterDecimal(1.2345E2) failed.");
    doAssert(uprv_digitsAfterDecimal(-1.2345E-20), 24, "uprv_digitsAfterDecimal(1.2345E-20) failed.");
    doAssert(uprv_digitsAfterDecimal(1.2345E20), 0, "uprv_digitsAfterDecimal(1.2345E20) failed.");
    doAssert(uprv_digitsAfterDecimal(-0.021), 3, "uprv_digitsAfterDecimal(-0.021) failed.");
    doAssert(uprv_digitsAfterDecimal(23.0), 0, "uprv_digitsAfterDecimal(23.0) failed.");
    doAssert(uprv_digitsAfterDecimal(0.022223333321), 9, "uprv_digitsAfterDecimal(0.022223333321) failed.");
#endif


    log_verbose("Testing the API u_versionToString().....\n");
    u_versionToString(versionArray, versionString);
    if(strcmp(versionString, "1.0.2.2") != 0){
        log_err("ERROR: u_versionToString() failed. Expected: 1.0.2.2, Got=%s\n", versionString);
    }
    log_verbose("Testing the API u_versionToString().....with versionArray=NULL\n");
    u_versionToString(NULL, versionString);
    if(strcmp(versionString, "") != 0){
        log_err("ERROR: u_versionToString() failed. with versionArray=NULL. It should just return\n");
    }
    log_verbose("Testing the API u_versionToString().....with versionArray=NULL\n");
    u_versionToString(NULL, versionString);
    if(strcmp(versionString, "") != 0){
        log_err("ERROR: u_versionToString() failed . It should just return\n");
    }
    log_verbose("Testing the API u_versionToString().....with versionString=NULL\n");
    u_versionToString(versionArray, NULL);
    if(strcmp(versionString, "") != 0){
        log_err("ERROR: u_versionToString() failed. with versionArray=NULL  It should just return\n");
    }
    versionArray[0] = 0x0a;
    log_verbose("Testing the API u_versionToString().....\n");
    u_versionToString(versionArray, versionString);
    if(strcmp(versionString, "10.0.2.2") != 0){
        log_err("ERROR: u_versionToString() failed. Expected: 10.0.2.2, Got=%s\n", versionString);
    }
    versionArray[0] = 0xa0;
    u_versionToString(versionArray, versionString);
    if(strcmp(versionString, "160.0.2.2") != 0){
        log_err("ERROR: u_versionToString() failed. Expected: 160.0.2.2, Got=%s\n", versionString);
    }
    versionArray[0] = 0xa0;
    versionArray[1] = 0xa0;
    u_versionToString(versionArray, versionString);
    if(strcmp(versionString, "160.160.2.2") != 0){
        log_err("ERROR: u_versionToString() failed. Expected: 160.160.2.2, Got=%s\n", versionString);
    }
    versionArray[0] = 0x01;
    versionArray[1] = 0x0a;
    u_versionToString(versionArray, versionString);
    if(strcmp(versionString, "1.10.2.2") != 0){
        log_err("ERROR: u_versionToString() failed. Expected: 160.160.2.2, Got=%s\n", versionString);
    }

    log_verbose("Testing the API u_versionFromString() ....\n");
    u_versionFromString(versionArray, "1.3.5.6");
    u_versionToString(versionArray, versionString);
    if(strcmp(versionString, "1.3.5.6") != 0){
        log_err("ERROR: u_getVersion() failed. Expected: 1.3.5.6, Got=%s\n",  versionString);
    }
    log_verbose("Testing the API u_versionFromString() where versionArray=NULL....\n");
    u_versionFromString(NULL, "1.3.5.6");
    u_versionToString(versionArray, versionString);
    if(strcmp(versionString, "1.3.5.6") != 0){
        log_err("ERROR: u_getVersion() failed. Expected: 1.3.5.6, Got=%s\n",  versionString);
    }

    log_verbose("Testing the API u_getVersion().....\n");
    u_getVersion(versionArray);
    u_versionToString(versionArray, versionString);
    if(strcmp(versionString, U_ICU_VERSION) != 0){
        log_err("ERROR: u_getVersion() failed. Got=%s, expected %s\n",  versionString, U_ICU_VERSION);
    }
    log_verbose("Testing the API u_errorName()...\n");
    str=(char*)u_errorName((UErrorCode)0);
    if(strcmp(str, "U_ZERO_ERROR") != 0){
        log_err("ERROR: u_getVersion() failed. Expected: U_ZERO_ERROR Got=%s\n",  str);
    }
    log_verbose("Testing the API u_errorName()...\n");
    str=(char*)u_errorName((UErrorCode)-127);
    if(strcmp(str, "U_USING_DEFAULT_WARNING") != 0){
        log_err("ERROR: u_getVersion() failed. Expected: U_USING_DEFAULT_WARNING Got=%s\n",  str);
    }
    log_verbose("Testing the API u_errorName().. with BOGUS ERRORCODE...\n");
    str=(char*)u_errorName((UErrorCode)200);
    if(strcmp(str, "[BOGUS UErrorCode]") != 0){
        log_err("ERROR: u_getVersion() failed. Expected: [BOGUS UErrorCode] Got=%s\n",  str);
    }

    {
        const char* dataDirectory;
        UChar *udataDir=0;
        UChar temp[100];
        char *charvalue=0;
        log_verbose("Testing chars to UChars\n");
        
         /* This cannot really work on a japanese system. u_uastrcpy will have different results than */
        /* u_charsToUChars when there is a backslash in the string! */
        /*dataDirectory=u_getDataDirectory();*/

        dataDirectory="directory1";  /*no backslashes*/
        udataDir=(UChar*)malloc(sizeof(UChar) * (strlen(dataDirectory) + 1));
        u_charsToUChars(dataDirectory, udataDir, (strlen(dataDirectory)+1));
        u_uastrcpy(temp, dataDirectory);
       
        if(u_strcmp(temp, udataDir) != 0){
            log_err("ERROR: u_charsToUChars failed. Expected %s, Got %s\n", austrdup(temp), austrdup(udataDir));
        }
        log_verbose("Testing UChars to chars\n");
        charvalue=(char*)malloc(sizeof(char) * (u_strlen(udataDir) + 1));

        u_UCharsToChars(udataDir, charvalue, (u_strlen(udataDir)+1));
        if(strcmp(charvalue, dataDirectory) != 0){
            log_err("ERROR: u_UCharsToChars failed. Expected %s, Got %s\n", charvalue, dataDirectory);
        }
        free(charvalue);
        free(udataDir);
    }
   
    log_verbose("Testing uprv_timezone()....\n");
    {
        int32_t tzoffset = uprv_timezone();
        log_verbose("Value returned from uprv_timezone = %d\n",  tzoffset);
        if (tzoffset != 28800) {
            log_verbose("***** WARNING: If testing in the PST timezone, t_timezone should return 28800! *****");
        }
        if ((tzoffset % 1800 != 0)) {
            log_err("FAIL: t_timezone may be incorrect. It is not a multiple of 30min.");
        }
        tzoffset=uprv_getUTCtime();

    }
}
コード例 #10
0
ファイル: tznames.cpp プロジェクト: JoeDoyle23/node
TimeZoneNamesDelegate::TimeZoneNamesDelegate(const Locale& locale, UErrorCode& status) {
    Mutex lock(&gTimeZoneNamesLock);
    if (!gTimeZoneNamesCacheInitialized) {
        // Create empty hashtable if it is not already initialized.
        gTimeZoneNamesCache = uhash_open(uhash_hashChars, uhash_compareChars, NULL, &status);
        if (U_SUCCESS(status)) {
            uhash_setKeyDeleter(gTimeZoneNamesCache, uprv_free);
            uhash_setValueDeleter(gTimeZoneNamesCache, deleteTimeZoneNamesCacheEntry);
            gTimeZoneNamesCacheInitialized = TRUE;
            ucln_i18n_registerCleanup(UCLN_I18N_TIMEZONENAMES, timeZoneNames_cleanup);
        }
    }

    if (U_FAILURE(status)) {
        return;
    }

    // Check the cache, if not available, create new one and cache
    TimeZoneNamesCacheEntry *cacheEntry = NULL;

    const char *key = locale.getName();
    cacheEntry = (TimeZoneNamesCacheEntry *)uhash_get(gTimeZoneNamesCache, key);
    if (cacheEntry == NULL) {
        TimeZoneNames *tznames = NULL;
        char *newKey = NULL;

        tznames = new TimeZoneNamesImpl(locale, status);
        if (tznames == NULL) {
            status = U_MEMORY_ALLOCATION_ERROR;
        }
        if (U_SUCCESS(status)) {
            newKey = (char *)uprv_malloc(uprv_strlen(key) + 1);
            if (newKey == NULL) {
                status = U_MEMORY_ALLOCATION_ERROR;
            } else {
                uprv_strcpy(newKey, key);
            }
        }
        if (U_SUCCESS(status)) {
            cacheEntry = (TimeZoneNamesCacheEntry *)uprv_malloc(sizeof(TimeZoneNamesCacheEntry));
            if (cacheEntry == NULL) {
                status = U_MEMORY_ALLOCATION_ERROR;
            } else {
                cacheEntry->names = tznames;
                cacheEntry->refCount = 1;
                cacheEntry->lastAccess = (double)uprv_getUTCtime();

                uhash_put(gTimeZoneNamesCache, newKey, cacheEntry, &status);
            }
        }
        if (U_FAILURE(status)) {
            if (tznames != NULL) {
                delete tznames;
            }
            if (newKey != NULL) {
                uprv_free(newKey);
            }
            if (cacheEntry != NULL) {
                uprv_free(cacheEntry);
            }
            cacheEntry = NULL;
        }
    } else {
        // Update the reference count
        cacheEntry->refCount++;
        cacheEntry->lastAccess = (double)uprv_getUTCtime();
    }
    gAccessCount++;
    if (gAccessCount >= SWEEP_INTERVAL) {
        // sweep
        sweepCache();
        gAccessCount = 0;
    }
    fTZnamesCacheEntry = cacheEntry;
}