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Slightly adjust Dmitry's Firebird::TimeStamp class to make it more useful, change is coordiated with Dmitry. Use thread-safe localtime_r routine when it is available

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This commit is contained in:
skidder 2004-11-04 19:14:20 +00:00
parent 498990bf55
commit 933063c7ce
11 changed files with 298 additions and 290 deletions
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6
builds/win32/msvc7/common.vcproj
View File

@ -177,6 +177,9 @@
<File
RelativePath="..\..\..\src\jrd\os\win32\path_utils.cpp">
</File>
<File
RelativePath="..\..\..\src\common\classes\timestamp.cpp">
</File>
<File
RelativePath="..\..\..\src\common\utils.cpp">
</File>
@ -211,6 +214,9 @@
<File
RelativePath="..\..\..\src\jrd\os\fbsyslog.h">
</File>
<File
RelativePath="..\..\..\src\common\classes\timestamp.h">
</File>
<File
RelativePath="..\..\..\src\common\utils_proto.h">
</File>

6
builds/win32/msvc7/common_classic.vcproj
View File

@ -177,6 +177,9 @@
<File
RelativePath="..\..\..\src\jrd\os\win32\path_utils.cpp">
</File>
<File
RelativePath="..\..\..\src\common\classes\timestamp.cpp">
</File>
<File
RelativePath="..\..\..\src\common\utils.cpp">
</File>
@ -208,6 +211,9 @@
<File
RelativePath="..\..\..\src\common\config\dir_list.h">
</File>
<File
RelativePath="..\..\..\src\common\classes\timestamp.h">
</File>
<File
RelativePath="..\..\..\src\common\utils_proto.h">
</File>

6
builds/win32/msvc7/common_static.vcproj
View File

@ -173,6 +173,9 @@
<File
RelativePath="..\..\..\src\jrd\os\win32\path_utils.cpp">
</File>
<File
RelativePath="..\..\..\src\common\classes\timestamp.cpp">
</File>
<File
RelativePath="..\..\..\src\common\utils.cpp">
</File>
@ -207,6 +210,9 @@
<File
RelativePath="..\..\..\src\jrd\os\fbsyslog.h">
</File>
<File
RelativePath="..\..\..\src\common\classes\timestamp.h">
</File>
</Filter>
</Files>
<Globals>

3
configure.in
View File

@ -1,4 +1,4 @@
dnl $Id: configure.in,v 1.208 2004-10-25 09:45:03 aafemt Exp $
dnl $Id: configure.in,v 1.209 2004-11-04 19:14:08 skidder Exp $
dnl ############################# INITIALISATION ###############################
@ -457,6 +457,7 @@ AC_CHECK_FUNCS(tcgetattr strdup)
AC_CHECK_FUNCS(mkstemp)
AC_CHECK_FUNCS(pthread_keycreate pthread_key_create)
AC_CHECK_FUNCS(llrint)
AC_CHECK_FUNCS(localtime_r)
# Checks for typedefs, structures, and compiler characteristics.

257
src/common/classes/timestamp.cpp
View File

@ -3,25 +3,25 @@
* MODULE: timestamp.cpp
* DESCRIPTION: Date/time handling class
*
* The contents of this file are subject to the Initial
* Developer's Public License Version 1.0 (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.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
* The contents of this file are subject to the Interbase Public
* License Version 1.0 (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.Inprise.com/IPL.html
*
* Software distributed under the License is distributed AS IS,
* WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights
* and limitations under the License.
* Software distributed under the License is distributed on an
* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
* or implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code was created by Dmitry Yemanov
* for the Firebird Open Source RDBMS project.
*
* Copyright (c) 2004 Dmitry Yemanov <dimitr@users.sourceforge.net>
* and all contributors signed below.
* The Original Code was created by Inprise Corporation
* and its predecessors. Portions created by Inprise Corporation are
* Copyright (C) Inprise Corporation.
*
* All Rights Reserved.
* Contributor(s): ______________________________________.
*
* NS: The code now contains much of the logic from original gds.c
* this is why we need to use IPL license for it
*/
#include "firebird.h"
@ -29,17 +29,6 @@
#include "../jrd/dsc.h"
#include "../jrd/gdsassert.h"
#if defined(TIME_WITH_SYS_TIME)
#include <sys/time.h>
#include <time.h>
#else
#if defined(HAVE_SYS_TIME_H)
#include <sys/time.h>
#else
#include <time.h>
#endif
#endif
#ifdef HAVE_SYS_TIMES_H
#include <sys/times.h>
#endif
@ -51,95 +40,205 @@
namespace Firebird {
TimeStamp::TimeStamp(bool empty)
int TimeStamp::yday(const struct tm* times)
{
if (empty)
{
invalidate();
}
/**************************************
*
* y d a y
*
**************************************
*
* Functional description
* Convert a calendar date to the day-of-year.
*
* The unix time structure considers
* january 1 to be Year day 0, although it
* is day 1 of the month. (Note that QLI,
* when printing Year days takes the other
* view.)
*
**************************************/
SSHORT day = times->tm_mday;
const SSHORT month = times->tm_mon;
const SSHORT year = times->tm_year + 1900;
--day;
day += (214 * month + 3) / 7;
if (month < 2)
return day;
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
--day;
else
{
generate();
}
day -= 2;
return day;
}
void TimeStamp::invalidate()
{
seconds = fractions = 0;
}
void TimeStamp::validate()
void TimeStamp::decode_date(ISC_DATE nday, struct tm* times)
{
if (!seconds)
{
generate();
}
}
/**************************************
*
* d e c o d e _ d a t e
*
**************************************
*
* Functional description
* Convert a numeric day to [day, month, year].
*
* Calenders are divided into 4 year cycles.
* 3 Non-Leap years, and 1 leap year.
* Each cycle takes 365*4 + 1 == 1461 days.
* There is a further cycle of 100 4 year cycles.
* Every 100 years, the normally expected leap year
* is not present. Every 400 years it is.
* This cycle takes 100 * 1461 - 3 == 146097 days
* The origin of the constant 2400001 is unknown.
* The origin of the constant 1721119 is unknown.
* The difference between 2400001 and 1721119 is the
* number of days From 0/0/0000 to our base date of
* 11/xx/1858. (678882)
* The origin of the constant 153 is unknown.
*
* This whole routine has problems with ndates
* less than -678882 (Approx 2/1/0000).
*
**************************************/
// struct tm may include arbitrary number of additional members.
// zero-initialize them.
memset(times, 0, sizeof(struct tm));
bool TimeStamp::encode(tm* times) const
{
fb_assert(seconds > 0);
const tm* t = localtime(&seconds);
if (!t)
{
return false;
}
*times = *t;
return true;
}
nday -= 1721119 - 2400001;
const SLONG century = (4 * nday - 1) / 146097;
nday = 4 * nday - 1 - 146097 * century;
SLONG day = nday / 4;
bool TimeStamp::encode(ISC_TIMESTAMP* ts, bool precise) const
{
tm times;
if (!encode(&times))
{
return false;
nday = (4 * day + 3) / 1461;
day = 4 * day + 3 - 1461 * nday;
day = (day + 4) / 4;
SLONG month = (5 * day - 3) / 153;
day = 5 * day - 3 - 153 * month;
day = (day + 5) / 5;
SLONG year = 100 * century + nday;
if (month < 10)
month += 3;
else {
month -= 9;
year += 1;
}
const int day = times.tm_mday;
int month = times.tm_mon + 1;
int year = times.tm_year + 1900;
times->tm_mday = (int) day;
times->tm_mon = (int) month - 1;
times->tm_year = (int) year - 1900;
times->tm_yday = yday(times);
if ((times->tm_wday = (nday + 3) % 7) < 0)
times->tm_wday += 7;
}
ISC_DATE TimeStamp::encode_date(const struct tm* times)
{
/**************************************
*
* e n c o d e _ d a t e
*
**************************************
*
* Functional description
* Convert a calendar date to a numeric day
* (the number of days since the base date).
*
**************************************/
const SSHORT day = times->tm_mday;
SSHORT month = times->tm_mon + 1;
SSHORT year = times->tm_year + 1900;
if (month > 2)
{
month -= 3;
}
else
{
else {
month += 9;
year -= 1;
}
const int c = year / 100;
const int ya = year - 100 * c;
const SLONG c = year / 100;
const SLONG ya = year - 100 * c;
ts->timestamp_date =
(((SINT64) 146097 * c) / 4 + (1461 * ya) / 4 +
return (ISC_DATE) (((SINT64) 146097 * c) / 4 +
(1461 * ya) / 4 +
(153 * month + 2) / 5 + day + 1721119 - 2400001);
}
ts->timestamp_time =
((times.tm_hour * 60 + times.tm_min) * 60 +
times.tm_sec) * ISC_TIME_SECONDS_PRECISION +
(precise ? fractions * 10 : 0);
// Encode timestamp from UNIX datetime structure
void TimeStamp::encode(const struct tm* times) {
mValue.timestamp_date = encode_date(times);
mValue.timestamp_time =
((times->tm_hour * 60 + times->tm_min) * 60 +
times->tm_sec) * ISC_TIME_SECONDS_PRECISION;
}
return true;
// Decode timestamp into UNIX datetime structure
void TimeStamp::decode(struct tm* times) const {
decode_date(mValue.timestamp_date, times);
const ULONG minutes = mValue.timestamp_time / (ISC_TIME_SECONDS_PRECISION * 60);
times->tm_hour = minutes / 60;
times->tm_min = minutes % 60;
times->tm_sec = (mValue.timestamp_time / ISC_TIME_SECONDS_PRECISION) % 60;
}
void TimeStamp::generate()
{
// Only millisecond precision is supported currently
// NS: We round generated timestamps to whole millisecond.
// Not many applications can deal with fractional milliseconds properly and
// we do not use high resolution timers either so actual time granularity
// is going to to be somewhere in range between 1 ms (like on UNIX/Risc)
// and 53 ms (such as Win9X)
time_t seconds; // UTC time
int fractions; // milliseconds
#ifdef HAVE_GETTIMEOFDAY
struct timeval tp;
GETTIMEOFDAY(&tp);
seconds = tp.tv_sec;
fractions = tp.tv_usec / 1000;
millis = tp.tv_usec / 1000;
#else
struct timeb time_buffer;
ftime(&time_buffer);
seconds = time_buffer.time;
fractions = time_buffer.millitm;
#endif
fb_assert(seconds > 0);
// NS: Current FB behavior of using server time zone is not appropriate for
// distributed applications. We should be storing UTC times everywhere and
// convert timestamps to client timezone as necessary. Replace localtime
// stuff with these lines as soon appropriate functionality is implemented
//
// mValue.timestamp_date = seconds / 86400 + GDS_EPOCH_START;
// mValue.timestamp_time = (seconds % 86400) * ISC_TIME_SECONDS_PRECISION;
#ifdef HAVE_LOCALTIME_R
struct tm times;
if (!localtime_r(&seconds, &times))
system_call_failed::raise("localtime_r");
encode(&times);
#else
struct tm *times = localtime(&seconds);
if (!times)
system_call_failed::raise("localtime");
encode(times);
#endif
// Add fractions of second
mValue.timestamp_time += fractions * ISC_TIME_SECONDS_PRECISION / 1000;
}
} // namespace

75
src/common/classes/timestamp.h
View File

@ -27,25 +27,86 @@
#ifndef CLASSES_TIMESTAMP_H
#define CLASSES_TIMESTAMP_H
// struct tm declaration
#if defined(TIME_WITH_SYS_TIME)
#include <sys/time.h>
#include <time.h>
#else
#if defined(HAVE_SYS_TIME_H)
#include <sys/time.h>
#else
#include <time.h>
#endif
#endif
namespace Firebird {
// Wrapper class for ISC_TIMESTAMP supposed to implement date/time conversions
// and arithmetic. Small and not platform-specific methods are implemented
// inline. Usage of this class normally should involve zero overhead.
//
// Note: default "shallow-copy" constructor and assignment operators
// are just fine for our purposes
//
// TODO: migrate fbudf to this class.
class TimeStamp
{
public:
// Number of the first day of UNIX epoch in GDS counting
enum { GDS_EPOCH_START = 40617 };
explicit TimeStamp(bool empty = false);
// Default constructor. Fills timestamp with current date/time
TimeStamp() { generate(); }
void invalidate();
void validate();
// Altername constructor, may create empty timestamp object
explicit TimeStamp(bool zero)
{
if (zero)
invalidate();
else
generate();
}
bool encode(tm* times) const;
bool encode(ISC_TIMESTAMP* ts, bool precise) const;
// Construct wrapper around pre-existing timestamp
TimeStamp(const ISC_TIMESTAMP& from) : mValue(from) { }
// See if timestamp contains non-zero value
bool isEmpty() const {
return mValue.timestamp_date == 0 && mValue.timestamp_time == 0;
}
// Set value of timestamp to zero
void invalidate() {
mValue.timestamp_date = 0;
mValue.timestamp_time = 0;
}
// Assign value of timestamp to current date/time if it is zero
void validate() {
if (isEmpty()) generate();
}
// Encode timestamp from UNIX datetime structure
void encode(const struct tm* times);
// Decode timestamp into UNIX datetime structure
void decode(struct tm* times) const;
// Write access to timestamp structure we wrap
ISC_TIMESTAMP& value() { return mValue; }
// Read access to timestamp structure we wrap
const ISC_TIMESTAMP& value() const { return mValue; }
// ISC date/time helper routines. Both functions are signal-safe.
static void decode_date(ISC_DATE nday, struct tm* times);
static ISC_DATE encode_date(const struct tm* times);
private:
ISC_TIMESTAMP mValue;
time_t seconds;
time_t fractions;
static int yday(const struct tm* times);
// Assign value of timestamp to current date/time
void generate();
};

1
src/include/gen/autoconfig_msvc.h
View File

@ -159,6 +159,7 @@
#define HAVE_STRDUP
#undef HAVE_MKSTEMP
#undef HAVE_LLRINT
#undef HAVE_LOCALTIME_R
/* Types */

30
src/jrd/cvt.cpp
View File

@ -1377,24 +1377,17 @@ void CVT_move(const dsc* from, dsc* to, FPTR_ERROR err)
Otherwise, take the CURRENT date to populate the
date portion of the timestamp */
ISC_TIMESTAMP enc_times;
SLONG cur_date;
if (tdbb && (tdbb->getType() == ThreadData::tddDBB) &&
tdbb->tdbb_request)
{
if (!tdbb->tdbb_request->req_timestamp.encode(&enc_times, false))
{
(*err)(isc_date_range_exceeded, 0);
}
cur_date = tdbb->tdbb_request->req_timestamp.value().timestamp_date;
}
else
{
if (!Firebird::TimeStamp().encode(&enc_times, false))
{
(*err)(isc_date_range_exceeded, 0);
cur_date = Firebird::TimeStamp().value().timestamp_date;
}
}
((GDS_TIMESTAMP*) (to->dsc_address))->timestamp_date =
enc_times.timestamp_date;
((GDS_TIMESTAMP*) (to->dsc_address))->timestamp_date = cur_date;
}
return;
@ -2498,15 +2491,10 @@ static void string_to_datetime(
conversion_error(desc, err);
/* fetch the current time */
*date = Firebird::TimeStamp().value();
if (!Firebird::TimeStamp().encode(date, true))
{
(err)(isc_date_range_exceeded, 0);
}
if (strcmp(temp, NOW) == 0) {
if (strcmp(temp, NOW) == 0)
return;
}
if (expect_type == expect_sql_time) {
conversion_error(desc, err);
return;
@ -2631,10 +2619,8 @@ static void string_to_datetime(
times.tm_mon = components[position_month];
times.tm_mday = components[position_day];
if (!Firebird::TimeStamp().encode(&times2))
{
(err)(isc_date_range_exceeded, 0);
}
// Fetch current date/time
Firebird::TimeStamp().decode(&times2);
/* Handle defaulting of year */

9
src/jrd/evl.cpp
View File

@ -19,7 +19,7 @@
*
* All Rights Reserved.
* Contributor(s): ______________________________________.
* $Id: evl.cpp,v 1.119 2004-11-01 08:29:16 dimitr Exp $
* $Id: evl.cpp,v 1.120 2004-11-04 19:14:20 skidder Exp $
*/
/*
@ -943,12 +943,7 @@ dsc* EVL_expr(thread_db* tdbb, jrd_nod* node)
{
// Use the request timestamp
ISC_TIMESTAMP enc_times;
if (!request->req_timestamp.encode(&enc_times,
node->nod_type == nod_current_timestamp))
{
ERR_post(isc_date_range_exceeded, 0);
}
ISC_TIMESTAMP enc_times = request->req_timestamp.value();
memset(&impure->vlu_desc, 0, sizeof(impure->vlu_desc));
impure->vlu_desc.dsc_address =

186
src/jrd/gds.cpp
View File

@ -50,6 +50,7 @@
#include "../jrd/constants.h"
#include "../common/classes/locks.h"
#include "../common/classes/timestamp.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
@ -193,6 +194,7 @@ static char ib_prefix_msg_val[MAXPATHLEN];
#include "../jrd/jrd.h"
#include "../common/utils_proto.h"
using Firebird::TimeStamp;
// This structure is used to parse the firebird.msg file.
struct gds_msg
@ -241,10 +243,6 @@ static void blr_print_verb(gds_ctl*, SSHORT);
static int blr_print_word(gds_ctl*);
static void init(void);
static int yday(const tm*);
static void ndate(SLONG, tm*);
static GDS_DATE nday(const tm*);
static void sanitize(TEXT*);
static void safe_concat_path(TEXT* destbuf, const TEXT* srcbuf);
@ -495,12 +493,7 @@ void API_ROUTINE isc_decode_sql_date(const GDS_DATE* date, void* times_arg)
*
**************************************/
tm* times = (struct tm*) times_arg;
memset(times, 0, sizeof(*times));
ndate(*date, times);
times->tm_yday = yday(times);
if ((times->tm_wday = (*date + 3) % 7) < 0)
times->tm_wday += 7;
TimeStamp::decode_date(*date, times);
}
@ -537,23 +530,12 @@ void API_ROUTINE isc_decode_timestamp(const GDS_TIMESTAMP* date, void* times_arg
* Functional description
* Convert from internal timestamp format to UNIX time structure.
*
* Note: the date arguement is really an ISC_TIMESTAMP -- however the
* definition of ISC_TIMESTAMP is not available from all the source
* modules that need to use isc_encode_timestamp
* Note: This routine is intended only for public API use. Engine itself and
* utilities should be using TimeStamp class directly in type-safe manner.
*
**************************************/
tm* times = (struct tm*) times_arg;
memset(times, 0, sizeof(*times));
ndate(date->timestamp_date, times);
times->tm_yday = yday(times);
if ((times->tm_wday = (date->timestamp_date + 3) % 7) < 0)
times->tm_wday += 7;
const ULONG minutes = date->timestamp_time / (ISC_TIME_SECONDS_PRECISION * 60);
times->tm_hour = minutes / 60;
times->tm_min = minutes % 60;
times->tm_sec = (date->timestamp_time / ISC_TIME_SECONDS_PRECISION) % 60;
Firebird::TimeStamp(*date).decode(reinterpret_cast<tm*>(times_arg));
}
@ -593,7 +575,9 @@ void API_ROUTINE isc_encode_date(const void* times_arg, ISC_QUAD* date)
* isc_encode_timestamp
*
**************************************/
isc_encode_timestamp(times_arg, (GDS_TIMESTAMP*) date);
Firebird::TimeStamp temp;
temp.encode(reinterpret_cast<const tm*>(times_arg));
*date = (ISC_QUAD&)temp.value();
}
@ -610,7 +594,7 @@ void API_ROUTINE isc_encode_sql_date(const void* times_arg, GDS_DATE* date)
*
**************************************/
*date = nday((const struct tm*) times_arg);
*date = TimeStamp::encode_date((const struct tm*) times_arg);
}
@ -636,24 +620,20 @@ void API_ROUTINE isc_encode_timestamp(const void* times_arg, GDS_TIMESTAMP* date
{
/**************************************
*
* i s c _ e n c o d e _ t i m e s t a m p
* i s c _ e n c o d e _ d a t e
*
**************************************
*
* Functional description
* Convert from UNIX time structure to internal timestamp format.
*
* Note: the date arguement is really an ISC_TIMESTAMP -- however the
* definition of ISC_TIMESTAMP is not available from all the source
* modules that need to use isc_encode_timestamp
* Note: This routine is intended only for public API use. Engine itself and
* utilities should be using TimeStamp class directly in type-safe manner.
*
**************************************/
const tm* times = (const struct tm*) times_arg;
date->timestamp_date = nday(times);
date->timestamp_time =
((times->tm_hour * 60 + times->tm_min) * 60 +
times->tm_sec) * ISC_TIME_SECONDS_PRECISION;
Firebird::TimeStamp temp;
temp.encode(reinterpret_cast<const tm*>(times_arg));
*date = temp.value();
}
@ -1125,15 +1105,14 @@ void API_ROUTINE gds__trace(const TEXT * text)
const int days = now / SECS_PER_DAY;
int rem = now % SECS_PER_DAY;
tm today;
TimeStamp::decode_date(days + TimeStamp::GDS_EPOCH_START, &today);
today.tm_hour = rem / SECS_PER_HOUR;
rem %= SECS_PER_HOUR;
today.tm_min = rem / 60;
today.tm_sec = rem % 60;
ndate(days + 40617 /* Number of first day of the Epoch in GDS counting */,
&today);
char buffer[1024]; // 1K should be enough for the trace message
char* p = buffer;
gds__ulstr(p, today.tm_year+1900, 4, '0'); p+=4;
@ -3544,135 +3523,6 @@ static void init(void)
/* V4_GLOBAL_MUTEX_UNLOCK; */
}
static int yday(const struct tm* times)
{
/**************************************
*
* y d a y
*
**************************************
*
* Functional description
* Convert a calendar date to the day-of-year.
*
* The unix time structure considers
* january 1 to be Year day 0, although it
* is day 1 of the month. (Note that QLI,
* when printing Year days takes the other
* view.)
*
**************************************/
SSHORT day = times->tm_mday;
const SSHORT month = times->tm_mon;
const SSHORT year = times->tm_year + 1900;
--day;
day += (214 * month + 3) / 7;
if (month < 2)
return day;
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
--day;
else
day -= 2;
return day;
}
static void ndate(SLONG nday, tm* times)
{
/**************************************
*
* n d a t e
*
**************************************
*
* Functional description
* Convert a numeric day to [day, month, year].
*
* Calenders are divided into 4 year cycles.
* 3 Non-Leap years, and 1 leap year.
* Each cycle takes 365*4 + 1 == 1461 days.
* There is a further cycle of 100 4 year cycles.
* Every 100 years, the normally expected leap year
* is not present. Every 400 years it is.
* This cycle takes 100 * 1461 - 3 == 146097 days
* The origin of the constant 2400001 is unknown.
* The origin of the constant 1721119 is unknown.
* The difference between 2400001 and 1721119 is the
* number of days From 0/0/0000 to our base date of
* 11/xx/1858. (678882)
* The origin of the constant 153 is unknown.
*
* This whole routine has problems with ndates
* less than -678882 (Approx 2/1/0000).
*
**************************************/
nday -= 1721119 - 2400001;
const SLONG century = (4 * nday - 1) / 146097;
nday = 4 * nday - 1 - 146097 * century;
SLONG day = nday / 4;
nday = (4 * day + 3) / 1461;
day = 4 * day + 3 - 1461 * nday;
day = (day + 4) / 4;
SLONG month = (5 * day - 3) / 153;
day = 5 * day - 3 - 153 * month;
day = (day + 5) / 5;
SLONG year = 100 * century + nday;
if (month < 10)
month += 3;
else {
month -= 9;
year += 1;
}
times->tm_mday = (int) day;
times->tm_mon = (int) month - 1;
times->tm_year = (int) year - 1900;
}
static GDS_DATE nday(const tm* times)
{
/**************************************
*
* n d a y
*
**************************************
*
* Functional description
* Convert a calendar date to a numeric day
* (the number of days since the base date).
*
**************************************/
const SSHORT day = times->tm_mday;
SSHORT month = times->tm_mon + 1;
SSHORT year = times->tm_year + 1900;
if (month > 2)
month -= 3;
else {
month += 9;
year -= 1;
}
const SLONG c = year / 100;
const SLONG ya = year - 100 * c;
return (GDS_DATE) (((SINT64) 146097 * c) / 4 +
(1461 * ya) / 4 +
(153 * month + 2) / 5 + day + 1721119 - 2400001);
}
static void sanitize(TEXT* locale)
{
/**************************************

5
src/jrd/mov.cpp
View File

@ -585,8 +585,5 @@ void MOV_time_stamp(GDS_TIMESTAMP* date)
* Get the current timestamp in gds format.
*
**************************************/
if (!Firebird::TimeStamp().encode(date, false))
{
ERR_post(isc_date_range_exceeded, 0);
}
*date = Firebird::TimeStamp().value();
}