| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "apr_portable.h" |
| #include "apr_time.h" |
| #include "apr_lib.h" |
| #include "apr_private.h" |
| #include "apr_strings.h" |
| |
| /* private APR headers */ |
| #include "apr_arch_internal_time.h" |
| |
| /* System Headers required for time library */ |
| #if APR_HAVE_SYS_TIME_H |
| #include <sys/time.h> |
| #endif |
| #if APR_HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| #ifdef HAVE_TIME_H |
| #include <time.h> |
| #endif |
| /* End System Headers */ |
| |
| #if !defined(HAVE_STRUCT_TM_TM_GMTOFF) && !defined(HAVE_STRUCT_TM___TM_GMTOFF) |
| static apr_int32_t server_gmt_offset; |
| #define NO_GMTOFF_IN_STRUCT_TM |
| #endif |
| |
| static apr_int32_t get_offset(struct tm *tm) |
| { |
| #if defined(HAVE_STRUCT_TM_TM_GMTOFF) |
| return tm->tm_gmtoff; |
| #elif defined(HAVE_STRUCT_TM___TM_GMTOFF) |
| return tm->__tm_gmtoff; |
| #else |
| #ifdef NETWARE |
| /* Need to adjust the global variable each time otherwise |
| the web server would have to be restarted when daylight |
| savings changes. |
| */ |
| if (daylightOnOff) { |
| return server_gmt_offset + daylightOffset; |
| } |
| #else |
| if (tm->tm_isdst) |
| return server_gmt_offset + 3600; |
| #endif |
| return server_gmt_offset; |
| #endif |
| } |
| |
| APR_DECLARE(apr_status_t) apr_time_ansi_put(apr_time_t *result, |
| time_t input) |
| { |
| *result = (apr_time_t)input * APR_USEC_PER_SEC; |
| return APR_SUCCESS; |
| } |
| |
| /* NB NB NB NB This returns GMT!!!!!!!!!! */ |
| APR_DECLARE(apr_time_t) apr_time_now(void) |
| { |
| struct timeval tv; |
| gettimeofday(&tv, NULL); |
| return tv.tv_sec * APR_USEC_PER_SEC + tv.tv_usec; |
| } |
| |
| static void explode_time(apr_time_exp_t *xt, apr_time_t t, |
| apr_int32_t offset, int use_localtime) |
| { |
| struct tm tm; |
| time_t tt = (t / APR_USEC_PER_SEC) + offset; |
| xt->tm_usec = t % APR_USEC_PER_SEC; |
| |
| #if APR_HAS_THREADS && defined (_POSIX_THREAD_SAFE_FUNCTIONS) |
| if (use_localtime) |
| localtime_r(&tt, &tm); |
| else |
| gmtime_r(&tt, &tm); |
| #else |
| if (use_localtime) |
| tm = *localtime(&tt); |
| else |
| tm = *gmtime(&tt); |
| #endif |
| |
| xt->tm_sec = tm.tm_sec; |
| xt->tm_min = tm.tm_min; |
| xt->tm_hour = tm.tm_hour; |
| xt->tm_mday = tm.tm_mday; |
| xt->tm_mon = tm.tm_mon; |
| xt->tm_year = tm.tm_year; |
| xt->tm_wday = tm.tm_wday; |
| xt->tm_yday = tm.tm_yday; |
| xt->tm_isdst = tm.tm_isdst; |
| xt->tm_gmtoff = get_offset(&tm); |
| } |
| |
| APR_DECLARE(apr_status_t) apr_time_exp_tz(apr_time_exp_t *result, |
| apr_time_t input, apr_int32_t offs) |
| { |
| explode_time(result, input, offs, 0); |
| result->tm_gmtoff = offs; |
| return APR_SUCCESS; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_time_exp_gmt(apr_time_exp_t *result, |
| apr_time_t input) |
| { |
| return apr_time_exp_tz(result, input, 0); |
| } |
| |
| APR_DECLARE(apr_status_t) apr_time_exp_lt(apr_time_exp_t *result, |
| apr_time_t input) |
| { |
| #if defined(__EMX__) |
| /* EMX gcc (OS/2) has a timezone global we can use */ |
| return apr_time_exp_tz(result, input, -timezone); |
| #else |
| explode_time(result, input, 0, 1); |
| return APR_SUCCESS; |
| #endif /* __EMX__ */ |
| } |
| |
| APR_DECLARE(apr_status_t) apr_time_exp_get(apr_time_t *t, apr_time_exp_t *xt) |
| { |
| apr_time_t year = xt->tm_year; |
| apr_time_t days; |
| static const int dayoffset[12] = |
| {306, 337, 0, 31, 61, 92, 122, 153, 184, 214, 245, 275}; |
| |
| /* shift new year to 1st March in order to make leap year calc easy */ |
| |
| if (xt->tm_mon < 2) |
| year--; |
| |
| /* Find number of days since 1st March 1900 (in the Gregorian calendar). */ |
| |
| days = year * 365 + year / 4 - year / 100 + (year / 100 + 3) / 4; |
| days += dayoffset[xt->tm_mon] + xt->tm_mday - 1; |
| days -= 25508; /* 1 jan 1970 is 25508 days since 1 mar 1900 */ |
| days = ((days * 24 + xt->tm_hour) * 60 + xt->tm_min) * 60 + xt->tm_sec; |
| |
| if (days < 0) { |
| return APR_EBADDATE; |
| } |
| *t = days * APR_USEC_PER_SEC + xt->tm_usec; |
| return APR_SUCCESS; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_time_exp_gmt_get(apr_time_t *t, |
| apr_time_exp_t *xt) |
| { |
| apr_status_t status = apr_time_exp_get(t, xt); |
| if (status == APR_SUCCESS) |
| *t -= (apr_time_t) xt->tm_gmtoff * APR_USEC_PER_SEC; |
| return status; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_os_imp_time_get(apr_os_imp_time_t **ostime, |
| apr_time_t *aprtime) |
| { |
| (*ostime)->tv_usec = *aprtime % APR_USEC_PER_SEC; |
| (*ostime)->tv_sec = *aprtime / APR_USEC_PER_SEC; |
| return APR_SUCCESS; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_os_exp_time_get(apr_os_exp_time_t **ostime, |
| apr_time_exp_t *aprtime) |
| { |
| (*ostime)->tm_sec = aprtime->tm_sec; |
| (*ostime)->tm_min = aprtime->tm_min; |
| (*ostime)->tm_hour = aprtime->tm_hour; |
| (*ostime)->tm_mday = aprtime->tm_mday; |
| (*ostime)->tm_mon = aprtime->tm_mon; |
| (*ostime)->tm_year = aprtime->tm_year; |
| (*ostime)->tm_wday = aprtime->tm_wday; |
| (*ostime)->tm_yday = aprtime->tm_yday; |
| (*ostime)->tm_isdst = aprtime->tm_isdst; |
| |
| #if defined(HAVE_STRUCT_TM_TM_GMTOFF) |
| (*ostime)->tm_gmtoff = aprtime->tm_gmtoff; |
| #elif defined(HAVE_STRUCT_TM___TM_GMTOFF) |
| (*ostime)->__tm_gmtoff = aprtime->tm_gmtoff; |
| #endif |
| |
| return APR_SUCCESS; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_os_imp_time_put(apr_time_t *aprtime, |
| apr_os_imp_time_t **ostime, |
| apr_pool_t *cont) |
| { |
| *aprtime = (*ostime)->tv_sec * APR_USEC_PER_SEC + (*ostime)->tv_usec; |
| return APR_SUCCESS; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_os_exp_time_put(apr_time_exp_t *aprtime, |
| apr_os_exp_time_t **ostime, |
| apr_pool_t *cont) |
| { |
| aprtime->tm_sec = (*ostime)->tm_sec; |
| aprtime->tm_min = (*ostime)->tm_min; |
| aprtime->tm_hour = (*ostime)->tm_hour; |
| aprtime->tm_mday = (*ostime)->tm_mday; |
| aprtime->tm_mon = (*ostime)->tm_mon; |
| aprtime->tm_year = (*ostime)->tm_year; |
| aprtime->tm_wday = (*ostime)->tm_wday; |
| aprtime->tm_yday = (*ostime)->tm_yday; |
| aprtime->tm_isdst = (*ostime)->tm_isdst; |
| |
| #if defined(HAVE_STRUCT_TM_TM_GMTOFF) |
| aprtime->tm_gmtoff = (*ostime)->tm_gmtoff; |
| #elif defined(HAVE_STRUCT_TM___TM_GMTOFF) |
| aprtime->tm_gmtoff = (*ostime)->__tm_gmtoff; |
| #endif |
| |
| return APR_SUCCESS; |
| } |
| |
| APR_DECLARE(void) apr_sleep(apr_interval_time_t t) |
| { |
| #ifdef OS2 |
| DosSleep(t/1000); |
| #elif defined(BEOS) |
| snooze(t); |
| #elif defined(NETWARE) |
| delay(t/1000); |
| #else |
| struct timeval tv; |
| tv.tv_usec = t % APR_USEC_PER_SEC; |
| tv.tv_sec = t / APR_USEC_PER_SEC; |
| select(0, NULL, NULL, NULL, &tv); |
| #endif |
| } |
| |
| #ifdef OS2 |
| APR_DECLARE(apr_status_t) apr_os2_time_to_apr_time(apr_time_t *result, |
| FDATE os2date, |
| FTIME os2time) |
| { |
| struct tm tmpdate; |
| |
| memset(&tmpdate, 0, sizeof(tmpdate)); |
| tmpdate.tm_hour = os2time.hours; |
| tmpdate.tm_min = os2time.minutes; |
| tmpdate.tm_sec = os2time.twosecs * 2; |
| |
| tmpdate.tm_mday = os2date.day; |
| tmpdate.tm_mon = os2date.month - 1; |
| tmpdate.tm_year = os2date.year + 80; |
| tmpdate.tm_isdst = -1; |
| |
| *result = mktime(&tmpdate) * APR_USEC_PER_SEC; |
| return APR_SUCCESS; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_apr_time_to_os2_time(FDATE *os2date, |
| FTIME *os2time, |
| apr_time_t aprtime) |
| { |
| time_t ansitime = aprtime / APR_USEC_PER_SEC; |
| struct tm *lt; |
| lt = localtime(&ansitime); |
| os2time->hours = lt->tm_hour; |
| os2time->minutes = lt->tm_min; |
| os2time->twosecs = lt->tm_sec / 2; |
| |
| os2date->day = lt->tm_mday; |
| os2date->month = lt->tm_mon + 1; |
| os2date->year = lt->tm_year - 80; |
| return APR_SUCCESS; |
| } |
| #endif |
| |
| #ifdef NETWARE |
| APR_DECLARE(void) apr_netware_setup_time(void) |
| { |
| tzset(); |
| server_gmt_offset = -TZONE; |
| } |
| #else |
| APR_DECLARE(void) apr_unix_setup_time(void) |
| { |
| #ifdef NO_GMTOFF_IN_STRUCT_TM |
| /* Precompute the offset from GMT on systems where it's not |
| in struct tm. |
| |
| Note: This offset is normalized to be independent of daylight |
| savings time; if the calculation happens to be done in a |
| time/place where a daylight savings adjustment is in effect, |
| the returned offset has the same value that it would have |
| in the same location if daylight savings were not in effect. |
| The reason for this is that the returned offset can be |
| applied to a past or future timestamp in explode_time(), |
| so the DST adjustment obtained from the current time won't |
| necessarily be applicable. |
| |
| mktime() is the inverse of localtime(); so, presumably, |
| passing in a struct tm made by gmtime() let's us calculate |
| the true GMT offset. However, there's a catch: if daylight |
| savings is in effect, gmtime()will set the tm_isdst field |
| and confuse mktime() into returning a time that's offset |
| by one hour. In that case, we must adjust the calculated GMT |
| offset. |
| |
| */ |
| |
| struct timeval now; |
| time_t t1, t2; |
| struct tm t; |
| |
| gettimeofday(&now, NULL); |
| t1 = now.tv_sec; |
| t2 = 0; |
| |
| #if APR_HAS_THREADS && defined(_POSIX_THREAD_SAFE_FUNCTIONS) |
| gmtime_r(&t1, &t); |
| #else |
| t = *gmtime(&t1); |
| #endif |
| t.tm_isdst = 0; /* we know this GMT time isn't daylight-savings */ |
| t2 = mktime(&t); |
| server_gmt_offset = (apr_int32_t) difftime(t1, t2); |
| #endif /* NO_GMTOFF_IN_STRUCT_TM */ |
| } |
| |
| #endif |
| |
| /* A noop on all known Unix implementations */ |
| APR_DECLARE(void) apr_time_clock_hires(apr_pool_t *p) |
| { |
| return; |
| } |
| |
| |