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test_times.c
executable file
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test_times.c
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#if 0
rm -f ./_test_times ; cc -Wall -O3 -o _test_times -I . -I zones test_times.c time_api.c zones/tz_value.c ; ./_test_times ; exit $?
#endif
/*****************************************************************************\
* *
* FILENAME: time_test.c *
* *
* --------------------------------------------------------------------------- *
* *
* DESCRIPTION: test of time functions *
* *
* --------------------------------------------------------------------------- *
* *
* *
* COPYRIGHT: (c) 2024 Dipl.-Ing. Klaus Lux (Aachen, Germany) *
* *
* --------------------------------------------------------------------------- *
* *
* ORIGIN: https://github/klux21/limitless_times *
* *
* --------------------------------------------------------------------------- *
* *
* Civil Usage Public License, Version 1.1, January 2024 *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions are met: *
* *
* 1. Redistributions of source code must retain the above copyright *
* notice, this list of conditions, the explanation of terms *
* and the following disclaimer. *
* *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation or other materials provided with the distribution. *
* *
* 3. All modified files must carry prominent notices stating that the *
* files have been changed. *
* *
* 4. The source code and binary forms and any derivative works are not *
* stored or executed in systems or devices which are designed or *
* intended to harm, to kill or to forcibly immobilize people. *
* *
* 5. The source code and binary forms and any derivative works are not *
* stored or executed in systems or devices which are intended to *
* monitor, to track, to change or to control the behavior, the *
* constitution, the location or the communication of any people or *
* their property without the explicit and prior agreement of those *
* people except those devices and systems are solely designed for *
* saving or protecting peoples life or health. *
* *
* 6. The source code and binary forms and any derivative works are not *
* stored or executed in any systems or devices that are intended *
* for the production of any of the systems or devices that *
* have been stated before except the ones for saving or protecting *
* peoples life or health only. *
* *
* The term 'systems' in all clauses shall include all types and combinations *
* of physical, virtualized or simulated hardware and software and any kind *
* of data storage. *
* *
* The term 'devices' shall include any kind of local or non-local control *
* system of the stated devices as part of that device als well. Any assembly *
* of more than one device is one and the same device regarding this license. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" *
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE *
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE *
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE *
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF *
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN *
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) *
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE *
* POSSIBILITY OF SUCH DAMAGE. *
* *
\*****************************************************************************/
#include <stdlib.h> /* setenv */
#include <stdio.h>
#include <string.h> /* memset */
#include <inttypes.h>
#ifndef _WIN32
#include <sys/time.h>
#endif
#include <time_api.h>
#include <tz_value.h>
/* ------------------------------------------------------------------------- *\
test_time_range tests the range of new_mktime, mew_mkgmtime,
new_localtime_r and new_gmtime_r
\* ------------------------------------------------------------------------- */
int test_time_range()
{
int bRet = 0;
int year = -20000;
while (year <= 20000)
{
int d = 0;
struct tm ti;
struct tm stm;
time_t t;
memset(&stm, 0, sizeof(stm));
memset(&ti, 0, sizeof(ti));
ti.tm_year = year - 1900;
ti.tm_mon = 11; // December
ti.tm_mday = 31;
ti.tm_hour = 22;
ti.tm_min = 59;
ti.tm_sec = 59;
ti.tm_isdst = -1;
t = mkgmtime(&ti);
if((t - 3600) != mktime(&ti))
{
fprintf(stderr, "mktime error %d %lld != %lld !\n", year, (long long) (t - 3600), (long long) mktime(&ti));
goto Exit;
}
d = (!(year % 4) && ((year % 100) || !(year % 400))) ? 365 : 364;
gmtime_r (&t, &stm);
if( (stm.tm_year != year - 1900)
|| (stm.tm_mon != 11) /* December */
|| (stm.tm_mday != 31)
|| (stm.tm_hour != 22) /* assumes UTC */
|| (stm.tm_min != 59)
|| (stm.tm_sec != 59)
|| (stm.tm_yday != d))
{
fprintf(stderr, "gmtime_r error!\n");
goto Exit;
}
/* fprintf(stdout, "GMT %.2d.%.2d.%.4d %.2d:%.2d:%.2d!\n", stm.tm_mday, stm.tm_mon+1, stm.tm_year+1900, stm.tm_hour, stm.tm_min, stm.tm_sec); */
localtime_r(&t, &stm);
if( (stm.tm_year != year - 1900)
|| (stm.tm_mon != 11) /* December */
|| (stm.tm_mday != 31)
|| (stm.tm_hour != 23) /* assumes CET */
|| (stm.tm_min != 59)
|| (stm.tm_sec != 59)
|| (stm.tm_yday != d))
{
fprintf(stderr, "localtime_r error!\n");
goto Exit;
}
/* fprintf(stdout, "CET %.2d.%.2d.%.4d %.2d:%.2d:%.2d!\n", stm.tm_mday, stm.tm_mon+1, stm.tm_year+1900, stm.tm_hour, stm.tm_min, stm.tm_sec); */
t += 3600 + 1;
d=0;
gmtime_r (&t, &stm);
if( (stm.tm_year != year + 1 - 1900)
|| (stm.tm_mon != 0) /* January */
|| (stm.tm_mday != 1)
|| (stm.tm_hour != 0) /* assumes UTC */
|| (stm.tm_min != 0)
|| (stm.tm_sec != 0)
|| (stm.tm_yday != 0))
{
fprintf(stderr, "gmtime_r error!\n");
goto Exit;
}
/* fprintf(stdout, "GMT %.2d.%.2d.%.4d %.2d:%.2d:%.2d!\n", stm.tm_mday, stm.tm_mon+1, stm.tm_year+1900, stm.tm_hour, stm.tm_min, stm.tm_sec); */
t -= 3600;
localtime_r(&t, &stm);
if( (stm.tm_year != year + 1 - 1900)
|| (stm.tm_mon != 0) /* January */
|| (stm.tm_mday != 1)
|| (stm.tm_hour != 0) /* because CET */
|| (stm.tm_min != 0)
|| (stm.tm_sec != 0)
|| (stm.tm_yday != 0))
{
fprintf(stderr, "localtime_r error!\n");
goto Exit;
}
/* fprintf(stdout, "CET %.2d.%.2d.%.4d %.2d:%.2d:%.2d!\n", stm.tm_mday, stm.tm_mon+1, stm.tm_year+1900, stm.tm_hour, stm.tm_min, stm.tm_sec); */
++year;
}
bRet = 1;
Exit:;
if(!bRet)
fprintf(stderr, "Test conversion tests have failed!\n\n");
else
fprintf(stdout, "Time conversion tests of the years 20001 BC til 20000 AD passed!\n\n");
return(bRet);
} /* int test_time_range() */
/* ------------------------------------------------------------------------- *\
test_speed measures the speed of new_mktime, mew_mkgmtime, new_localtime_r
and new_gmtime_r and the system implementations.
\* ------------------------------------------------------------------------- */
#undef timegm
#undef mktime
#undef mkgmtime
#undef gmtime_r
#undef localtime_r
#ifdef _WIN32
#define mkgmtime _mkgmtime
/* gmtime and localtime are threadsafe implemented in Windows */
struct tm * gmtime_r(const time_t * pt, struct tm * ptm)
{
struct tm * pgt = gmtime(pt);
if (pgt)
*ptm = *pgt;
return (ptm);
} /* struct tm * gmtime_r(const time_t * pt, struct tm * ptm */
struct tm * localtime_r(const time_t * pt, struct tm * ptm)
{
struct tm * pgt = localtime(pt);
if (pgt)
*ptm = *pgt;
return (ptm);
} /* struct tm * localtime_r(const time_t * pt, struct tm * ptm */
#endif
int test_speed()
{
int bRet = 0;
struct tm stm;
struct tm otm;
time_t ot = unix_time();
time_t tt = unix_time();
time_t t0;
time_t t1;
int64_t i;
char * pz = getenv("TZ");
fprintf(stdout, "TZ=%s\n", pz ? pz : "<empty>");
memset(&stm, 0, sizeof(stm));
stm.tm_year = 2024 - 1900;
stm.tm_mon = 0; /* January */
stm.tm_mday = 31;
stm.tm_hour = 22;
stm.tm_min = 59;
stm.tm_sec = 59;
stm.tm_isdst = -1;
i = 1000000;
t0 = unix_time();
while (i--)
tt = new_mkgmtime(&stm);
t1 = unix_time() - t0;
fprintf(stdout, "An average _____ new_mkgmtime() call took %ld.%.6ld us\n", (long)(t1 / 1000000), (long)(t1 % 1000000));
#ifdef _WIN32
i = 1000000;
t0 = unix_time();
while (i--)
ot = mkgmtime(&stm);
t1 = unix_time() - t0;
fprintf(stdout, "An average __ common mkgmtime() call took %ld.%.6ld us\n", (long)(t1 / 1000000), (long)(t1 % 1000000));
#else
i = 1000000;
t0 = unix_time();
while (i--)
ot = timegm(&stm);
t1 = unix_time() - t0;
fprintf(stdout, "An average ____ common timegm() call took %ld.%.6ld us\n", (long)(t1 / 1000000), (long)(t1 % 1000000));
#endif
if (ot != tt)
{
fprintf (stderr, "Return values of mkgmtime() and new_gmmktime() differ! (%ld != %ld)", (long) ot, (long) tt);
goto Exit;
}
i = 1000000;
t0 = unix_time();
while (i--)
{
stm.tm_isdst = -1;
tt = new_mktime(&stm);
}
t1 = unix_time() - t0;
fprintf(stdout, "An average _______ new_mktime() call took %ld.%.6ld us\n", (long)(t1 / 1000000), (long)(t1 % 1000000));
i = 1000000;
t0 = unix_time();
while (i--)
{
stm.tm_isdst = -1;
ot = mktime(&stm);
}
t1 = unix_time() - t0;
fprintf(stdout, "An average ____ common mktime() call took %ld.%.6ld us\n", (long)(t1 / 1000000), (long)(t1 % 1000000));
if (ot != tt)
{
fprintf (stderr, "Return values of mktime() and new_mktime() differ! (%ld != %ld)", (long) ot, (long) tt);
goto Exit;
}
i = 1000000;
t0 = unix_time();
while (i--)
new_gmtime_r(&tt, &stm);
t1 = unix_time() - t0;
fprintf(stdout, "An average _____ new_gmtime_r() call took %ld.%.6ld us\n", (long)(t1 / 1000000), (long)(t1 % 1000000));
i = 1000000;
t0 = unix_time();
while (i--)
gmtime_r(&tt, &otm);
t1 = unix_time() - t0;
fprintf(stdout, "An average __ common gmtime_r() call took %ld.%.6ld us\n", (long)(t1 / 1000000), (long)(t1 % 1000000));
if( (otm.tm_year != stm.tm_year)
|| (otm.tm_mon != stm.tm_mon)
|| (otm.tm_mday != stm.tm_mday)
|| (otm.tm_hour != stm.tm_hour)
|| (otm.tm_min != stm.tm_min)
|| (otm.tm_sec != stm.tm_sec)
|| (otm.tm_wday != stm.tm_wday)
|| (otm.tm_isdst != stm.tm_isdst)
|| (otm.tm_yday != stm.tm_yday))
{
fprintf (stderr, "Return values of gmtime_r() and new_gmtime_r() differ! \n"
"(%.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d) != %.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d))\n",
otm.tm_year + 1900, otm.tm_mon+1, otm.tm_mday, otm.tm_hour, otm.tm_min, otm.tm_sec, otm.tm_yday, otm.tm_isdst, otm.tm_wday,
stm.tm_year + 1900, stm.tm_mon+1, stm.tm_mday, stm.tm_hour, stm.tm_min, stm.tm_sec, stm.tm_yday, stm.tm_isdst, stm.tm_wday );
goto Exit;
}
i = 1000000;
t0 = unix_time();
while (i--)
new_localtime_r(&tt, &stm);
t1 = unix_time() - t0;
fprintf(stdout, "An average __ new_localtime_r() call took %ld.%.6ld us\n", (long)(t1 / 1000000), (long)(t1 % 1000000));
i = 1000000;
t0 = unix_time();
while (i--)
localtime_r(&tt, &otm);
t1 = unix_time() - t0;
fprintf(stdout, "An average common localtime_r() call took %ld.%.6ld us\n", (long)(t1 / 1000000), (long)(t1 % 1000000));
if( (otm.tm_year != stm.tm_year)
|| (otm.tm_mon != stm.tm_mon)
|| (otm.tm_mday != stm.tm_mday)
|| (otm.tm_hour != stm.tm_hour)
|| (otm.tm_min != stm.tm_min)
|| (otm.tm_sec != stm.tm_sec)
|| (otm.tm_wday != stm.tm_wday)
|| (otm.tm_isdst != stm.tm_isdst)
|| (otm.tm_yday != stm.tm_yday))
{
fprintf (stderr, "Return values of localtime_r() and new_localtime_r() differ! \n"
"(%.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d) != %.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d))\n",
otm.tm_year + 1900, otm.tm_mon+1, otm.tm_mday, otm.tm_hour, otm.tm_min, otm.tm_sec, otm.tm_yday, otm.tm_isdst, otm.tm_wday,
stm.tm_year + 1900, stm.tm_mon+1, stm.tm_mday, stm.tm_hour, stm.tm_min, stm.tm_sec, stm.tm_yday, stm.tm_isdst, stm.tm_wday );
goto Exit;
}
bRet = 1;
Exit:;
pz = getenv("TZ");
if(!bRet)
fprintf(stderr, "\nPerformance tests have failed! (TZ=%s) \n", pz ? pz : "<empty>");
else
fprintf(stdout, "\nPerformance tests passed! (TZ=%s)\n", pz ? pz : "<empty>");
return(bRet);
} /* int test_speed() */
/* ------------------------------------------------------------------------- *\
test_conversions compares the return values of new_mktime, mew_mkgmtime,
new_localtime_r and new_gmtime_r around critical dates like begin and end
of the daylight saving to the one of the system functions.
\* ------------------------------------------------------------------------- */
int test_conversions()
{
int bRet = 0;
struct tm stm;
struct tm otm;
time_t ot = unix_time();
time_t tt = unix_time();
time_t t;
int64_t i;
char * pz = getenv("TZ");
stm.tm_year = 2024 - 1900;
stm.tm_mon = 2; /* March */
stm.tm_mday = 30;
stm.tm_hour = 0;
stm.tm_min = 0;
stm.tm_sec = 0;
stm.tm_isdst = -1;
t = mktime(&stm);
i = 200000;
while(i--)
{
new_localtime_r(&t, &stm);
localtime_r(&t, &otm);
if( (otm.tm_year != stm.tm_year)
|| (otm.tm_mon != stm.tm_mon)
|| (otm.tm_mday != stm.tm_mday)
|| (otm.tm_hour != stm.tm_hour)
|| (otm.tm_min != stm.tm_min)
|| (otm.tm_sec != stm.tm_sec)
|| (otm.tm_wday != stm.tm_wday)
|| (otm.tm_isdst != stm.tm_isdst)
|| (otm.tm_yday != stm.tm_yday))
{
fprintf (stderr, "Return values of localtime_r() and new_localtime_r() differ for time_t %ld (0x%lx)!\n"
"(%.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d) != %.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d))\n",
(long) tt, (long) tt,
otm.tm_year + 1900, otm.tm_mon+1, otm.tm_mday, otm.tm_hour, otm.tm_min, otm.tm_sec, otm.tm_yday, otm.tm_isdst, otm.tm_wday,
stm.tm_year + 1900, stm.tm_mon+1, stm.tm_mday, stm.tm_hour, stm.tm_min, stm.tm_sec, stm.tm_yday, stm.tm_isdst, stm.tm_wday );
goto Exit;
}
tt = new_mktime(&stm);
ot = mktime(&stm);
if((tt != ot) || (tt != t))
{
fprintf (stderr, "Return values of new_mktime() and mktime() are differently for the time %.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d)\n"
"( %ld (0x%lx) <> %ld (0x%lx))\n",
stm.tm_year + 1900, stm.tm_mon+1, stm.tm_mday, stm.tm_hour, stm.tm_min, stm.tm_sec, stm.tm_yday, stm.tm_isdst, stm.tm_wday,
(long) tt, (long) tt, (long) ot, (long) ot );
goto Exit;
}
++t;
}
stm.tm_year = 2024 - 1900;
stm.tm_mon = 9; /* October */
stm.tm_mday = 26;
stm.tm_hour = 0;
stm.tm_min = 0;
stm.tm_sec = 0;
stm.tm_isdst = -1;
t = mktime(&stm);
i = 200000;
while(i--)
{
new_localtime_r(&t, &stm);
localtime_r(&t, &otm);
if( (otm.tm_year != stm.tm_year)
|| (otm.tm_mon != stm.tm_mon)
|| (otm.tm_mday != stm.tm_mday)
|| (otm.tm_hour != stm.tm_hour)
|| (otm.tm_min != stm.tm_min)
|| (otm.tm_sec != stm.tm_sec)
|| (otm.tm_wday != stm.tm_wday)
|| (otm.tm_isdst != stm.tm_isdst)
|| (otm.tm_yday != stm.tm_yday))
{
fprintf (stderr, "Return values of localtime_r() and new_localtime_r() differ for time_t %ld (0x%lx)!\n"
"(%.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d) != %.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d))\n",
(long) tt, (long) tt,
otm.tm_year + 1900, otm.tm_mon+1, otm.tm_mday, otm.tm_hour, otm.tm_min, otm.tm_sec, otm.tm_yday, otm.tm_isdst, otm.tm_wday,
stm.tm_year + 1900, stm.tm_mon+1, stm.tm_mday, stm.tm_hour, stm.tm_min, stm.tm_sec, stm.tm_yday, stm.tm_isdst, stm.tm_wday );
goto Exit;
}
tt = new_mktime(&stm);
ot = mktime(&stm);
if((tt != ot) || (tt != t))
{
fprintf (stderr, "Return values of new_mktime() and mktime() are differently for the time %.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d)\n"
"( %ld (0x%lx) <> %ld (0x%lx))\n",
stm.tm_year + 1900, stm.tm_mon+1, stm.tm_mday, stm.tm_hour, stm.tm_min, stm.tm_sec, stm.tm_yday, stm.tm_isdst, stm.tm_wday,
(long) tt, (long) tt, (long) ot, (long) ot );
goto Exit;
}
++t;
}
stm.tm_year = 2024 - 1900;
stm.tm_mon = 1; /* February */
stm.tm_mday = 28;
stm.tm_hour = 0;
stm.tm_min = 0;
stm.tm_sec = 0;
stm.tm_isdst = -1;
t = mktime(&stm);
i = 200000;
while(i--)
{
new_localtime_r(&t, &stm);
localtime_r(&t, &otm);
if( (otm.tm_year != stm.tm_year)
|| (otm.tm_mon != stm.tm_mon)
|| (otm.tm_mday != stm.tm_mday)
|| (otm.tm_hour != stm.tm_hour)
|| (otm.tm_min != stm.tm_min)
|| (otm.tm_sec != stm.tm_sec)
|| (otm.tm_wday != stm.tm_wday)
|| (otm.tm_isdst != stm.tm_isdst)
|| (otm.tm_yday != stm.tm_yday))
{
fprintf (stderr, "Return values of localtime_r() and new_localtime_r() differ for time_t %ld (0x%lx)!\n"
"(%.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d) != %.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d))\n",
(long) tt, (long) tt,
otm.tm_year + 1900, otm.tm_mon+1, otm.tm_mday, otm.tm_hour, otm.tm_min, otm.tm_sec, otm.tm_yday, otm.tm_isdst, otm.tm_wday,
stm.tm_year + 1900, stm.tm_mon+1, stm.tm_mday, stm.tm_hour, stm.tm_min, stm.tm_sec, stm.tm_yday, stm.tm_isdst, stm.tm_wday );
goto Exit;
}
tt = new_mktime(&stm);
ot = mktime(&stm);
if((tt != ot) || (tt != t))
{
fprintf (stderr, "Return values of new_mktime() and mktime() are differently for the time %.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d)\n"
"( %ld (0x%lx) <> %ld (0x%lx))\n",
stm.tm_year + 1900, stm.tm_mon+1, stm.tm_mday, stm.tm_hour, stm.tm_min, stm.tm_sec, stm.tm_yday, stm.tm_isdst, stm.tm_wday,
(long) tt, (long) tt, (long) ot, (long) ot );
goto Exit;
}
++t;
}
stm.tm_year = 2024 - 1900;
stm.tm_mon = 11; /* December */
stm.tm_mday = 31;
stm.tm_hour = 0;
stm.tm_min = 0;
stm.tm_sec = 0;
stm.tm_isdst = -1;
t = mktime(&stm);
i = 200000;
while(i--)
{
new_localtime_r(&t, &stm);
localtime_r(&t, &otm);
if( (otm.tm_year != stm.tm_year)
|| (otm.tm_mon != stm.tm_mon)
|| (otm.tm_mday != stm.tm_mday)
|| (otm.tm_hour != stm.tm_hour)
|| (otm.tm_min != stm.tm_min)
|| (otm.tm_sec != stm.tm_sec)
|| (otm.tm_wday != stm.tm_wday)
|| (otm.tm_isdst != stm.tm_isdst)
|| (otm.tm_yday != stm.tm_yday))
{
fprintf (stderr, "Return values of localtime_r() and new_localtime_r() differ for time_t %ld (0x%lx)!\n"
"(%.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d) != %.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d))\n",
(long) tt, (long) tt,
otm.tm_year + 1900, otm.tm_mon+1, otm.tm_mday, otm.tm_hour, otm.tm_min, otm.tm_sec, otm.tm_yday, otm.tm_isdst, otm.tm_wday,
stm.tm_year + 1900, stm.tm_mon+1, stm.tm_mday, stm.tm_hour, stm.tm_min, stm.tm_sec, stm.tm_yday, stm.tm_isdst, stm.tm_wday );
goto Exit;
}
tt = new_mktime(&stm);
ot = mktime(&stm);
if((tt != ot) || (tt != t))
{
fprintf (stderr, "Return values of new_mktime() and mktime() are differently for the time %.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d)\n"
"( %ld (0x%lx) <> %ld (0x%lx))\n",
stm.tm_year + 1900, stm.tm_mon+1, stm.tm_mday, stm.tm_hour, stm.tm_min, stm.tm_sec, stm.tm_yday, stm.tm_isdst, stm.tm_wday,
(long) tt, (long) tt, (long) ot, (long) ot );
goto Exit;
}
++t;
}
stm.tm_year = 2024 - 1900;
stm.tm_mon = 2; /* March */
stm.tm_mday = 30;
stm.tm_hour = 0;
stm.tm_min = 0;
stm.tm_sec = 0;
stm.tm_isdst = -1;
t = mktime(&stm);
i = 200000;
while(i--)
{
new_localtime_r(&t, &stm);
localtime_r(&t, &otm);
if( (otm.tm_year != stm.tm_year)
|| (otm.tm_mon != stm.tm_mon)
|| (otm.tm_mday != stm.tm_mday)
|| (otm.tm_hour != stm.tm_hour)
|| (otm.tm_min != stm.tm_min)
|| (otm.tm_sec != stm.tm_sec)
|| (otm.tm_wday != stm.tm_wday)
|| (otm.tm_isdst != stm.tm_isdst)
|| (otm.tm_yday != stm.tm_yday))
{
fprintf (stderr, "Return values of localtime_r() and new_localtime_r() differ for time_t %ld (0x%lx)!\n"
"(%.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d) != %.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d))\n",
(long) tt, (long) tt,
otm.tm_year + 1900, otm.tm_mon+1, otm.tm_mday, otm.tm_hour, otm.tm_min, otm.tm_sec, otm.tm_yday, otm.tm_isdst, otm.tm_wday,
stm.tm_year + 1900, stm.tm_mon+1, stm.tm_mday, stm.tm_hour, stm.tm_min, stm.tm_sec, stm.tm_yday, stm.tm_isdst, stm.tm_wday );
goto Exit;
}
stm.tm_isdst = -1;
tt = new_mktime(&stm);
stm.tm_isdst = -1;
ot = mktime(&stm);
if(tt != ot)
{
fprintf (stderr, "Return values of new_mktime() and mktime() are differently for the time %.4d/%.2d/%.2d %.2d:%.2d:%.2d (yd=%d dst=%d wd=%d)\n"
"( %ld (0x%lx) <> %ld (0x%lx))\n",
stm.tm_year + 1900, stm.tm_mon+1, stm.tm_mday, stm.tm_hour, stm.tm_min, stm.tm_sec, stm.tm_yday, stm.tm_isdst, stm.tm_wday,
(long) tt, (long) tt, (long) ot, (long) ot );
goto Exit;
}
++t;
}
bRet = 1;
Exit:;
pz = getenv("TZ");
if(!bRet)
fprintf(stderr, "Time conversion comparison tests have failed! (TZ=%s)\n\n", pz ? pz : "<empty>");
else
fprintf(stdout, "Time conversion comparison tests passed! (TZ=%s)\n\n", pz ? pz : "<empty>");
return(bRet);
} /* int test_conversions() */
/* ------------------------------------------------------------------------- *\
main function
\* ------------------------------------------------------------------------- */
int main(int argc, char * argv[])
{
int iRet = 1;
TIME_ZONE_INFO tzi;
TIME_ZONE_INFO tzi_local;
const char * pTZ = pc_find_TZ("Paris");
#ifdef _WIN32
TIME_ZONE_INFORMATION wtz_orig;
/* remember the Windows time zone for restoring it afte the test */
memset(&wtz_orig, 0, sizeof(wtz_orig));
GetTimeZoneInformation(&wtz_orig);
#endif
if(!pTZ || strcmp(pTZ, "CET-1CEST,M3.5.0,M10.5.0/3"))
{
printf("pc_find_TZ failed! Return value was '%s'!\n", pTZ ? pTZ : "<NULL>" );
goto Exit;
}
#ifndef _WIN32
setenv("TZ", pTZ, 1);
#else
if(pTZ)
{ /* tzset() in VC++ is unable to handle the daylight saving rules of the TZ variables right :o(
For this we use b_read_TZ for parsing the data and SetTimeZoneInformation for setting this. */
TIME_ZONE_INFORMATION wtz;
WCHAR * pwn = wtz.StandardName;
CHAR * pn = tzi.standard.zone_name;
if(!read_TZ (&tzi, pTZ))
{
printf("read_TZ (\"%s\") has failed!\n", pTZ);
goto Exit;
}
memset(&wtz, 0, sizeof(wtz));
/* copy the time zone names */
while(*pwn++ = (unsigned char) *pn++) {};
wtz.StandardDate.wMonth = tzi.standard.month + 1;
wtz.StandardDate.wDayOfWeek = tzi.standard.wday;
wtz.StandardDate.wDay = tzi.standard.mweek;
wtz.StandardDate.wHour = tzi.standard.time / 3600;
wtz.StandardDate.wMinute = (tzi.standard.time - wtz.StandardDate.wHour * 3600) / 60;
wtz.StandardDate.wSecond = tzi.standard.time % 60;
wtz.StandardBias = tzi.standard.bias / 60;
pwn = wtz.DaylightName;
pn = tzi.daylight.zone_name;
while(*pwn++ = (unsigned char) *pn++) {};
wtz.DaylightDate.wMonth = tzi.daylight.month + 1;
wtz.DaylightDate.wDayOfWeek = tzi.daylight.wday;
wtz.DaylightDate.wDay = tzi.daylight.mweek;
wtz.DaylightDate.wHour = tzi.daylight.time / 3600;
wtz.DaylightDate.wMinute = (tzi.daylight.time - wtz.DaylightDate.wHour * 3600) / 60;
wtz.DaylightDate.wSecond = tzi.daylight.time % 60;
wtz.DaylightBias = tzi.daylight.bias / 60;
if(!SetTimeZoneInformation(&wtz))
{
printf("SetTimeZoneInformation failed (error=%d)\n", GetLastError());
goto Exit;
}
}
#endif
if(!read_TZ (&tzi, pTZ))
{
printf("read_TZ (\"%s\") has failed!\n", pTZ);
goto Exit;
}
if(!get_local_zone_info(&tzi_local))
{
printf("get_local_zone_info() has failed!\n");
goto Exit;
}
if(memcmp(&tzi, &tzi_local, sizeof(tzi)))
{
printf("get_local_zone_info returned different settings than specified by '%s'!\n", pTZ);
goto Exit;
}
if(!test_time_range())
goto Exit;
if(!test_speed())
goto Exit;
if(!test_conversions())
goto Exit;
#ifndef _WIN32
setenv("TZ", "UTC0", 1);
#else
putenv("TZ=UTC0");
#endif
tzset();
update_time_zone_info();
if(!test_speed())
goto Exit;
if(!test_conversions())
goto Exit;
iRet = 0;
Exit:;
#ifdef _WIN32
if(!SetTimeZoneInformation(&wtz_orig))
{
printf("SetTimeZoneInformation for restoring original time zone has failed! (error=%d)\n"
"The Windows time zone settings are possibly invalid now!\n", GetLastError());
}
#endif
return(iRet);
}/* main() */
/* ========================================================================= *\
E N D O F F I L E
\* ========================================================================= */