#define TIME_T_MIN 0
#endif
+#if (SIZEOF_LONG == 8)
+#define TIME_FIXUP_CONSTANT_INT 11644473600L
+#elif (SIZEOF_LONG_LONG == 8)
+#define TIME_FIXUP_CONSTANT_INT 11644473600LL
+#endif
+
+
+
/*
* we use the INT32_MAX here as on 64 bit systems,
* gmtime() fails with INT64_MAX
#define TIME_FIXUP_CONSTANT 11644473600LL
-/**
-interpret an 8 byte "filetime" structure to a time_t
-It's originally in "100ns units since jan 1st 1601"
-**/
-_PUBLIC_ time_t nt_time_to_unix(NTTIME nt)
+time_t convert_timespec_to_time_t(struct timespec ts)
{
- if (nt == 0) {
- return 0;
- }
- if (nt == -1LL) {
- return (time_t)-1;
+ /* 1 ns == 1,000,000,000 - one thousand millionths of a second.
+ increment if it's greater than 500 millionth of a second. */
+ if (ts.tv_nsec > 500000000) {
+ return ts.tv_sec + 1;
}
- nt += 1000*1000*10/2;
- nt /= 1000*1000*10;
- nt -= TIME_FIXUP_CONSTANT;
+ return ts.tv_sec;
+}
- if (TIME_T_MIN > nt || nt > TIME_T_MAX) {
- return 0;
- }
+struct timespec convert_time_t_to_timespec(time_t t)
+{
+ struct timespec ts;
+ ts.tv_sec = t;
+ ts.tv_nsec = 0;
+ return ts;
+}
- return (time_t)nt;
+
+
+/**
+ Interpret an 8 byte "filetime" structure to a time_t
+ It's originally in "100ns units since jan 1st 1601"
+
+ An 8 byte value of 0xffffffffffffffff will be returned as a timespec of
+
+ tv_sec = 0
+ tv_nsec = 0;
+
+ Returns GMT.
+**/
+time_t nt_time_to_unix(NTTIME nt)
+{
+ return convert_timespec_to_time_t(nt_time_to_unix_timespec(&nt));
}
if (t == (time_t)-1) {
*nt = (NTTIME)-1LL;
return;
- }
+ }
+
+ if (t == TIME_T_MAX) {
+ *nt = 0x7fffffffffffffffLL;
+ return;
+ }
+
if (t == 0) {
*nt = 0;
return;
}
t2 = t;
- t2 += TIME_FIXUP_CONSTANT;
+ t2 += TIME_FIXUP_CONSTANT_INT;
t2 *= 1000*1000*10;
*nt = t2;
/*******************************************************************
interpret a 32 bit dos packed date/time to some parameters
********************************************************************/
-static void interpret_dos_date(uint32_t date,int *year,int *month,int *day,int *hour,int *minute,int *second)
+void interpret_dos_date(uint32_t date,int *year,int *month,int *day,int *hour,int *minute,int *second)
{
uint32_t p0,p1,p2,p3;
char tempTime[60];
struct tm *tm = localtime(&t);
+ if (t == TIME_T_MAX) {
+ return talloc_strdup(mem_ctx, "never");
+ }
+
if (!tm) {
return talloc_asprintf(mem_ctx,"%ld seconds since the Epoch",(long)t);
}
return tm_diff(&tm_utc,tm);
}
+struct timespec nt_time_to_unix_timespec(NTTIME *nt)
+{
+ int64_t d;
+ struct timespec ret;
+
+ if (*nt == 0 || *nt == (int64_t)-1) {
+ ret.tv_sec = 0;
+ ret.tv_nsec = 0;
+ return ret;
+ }
+
+ d = (int64_t)*nt;
+ /* d is now in 100ns units, since jan 1st 1601".
+ Save off the ns fraction. */
+
+ /*
+ * Take the last seven decimal digits and multiply by 100.
+ * to convert from 100ns units to 1ns units.
+ */
+ ret.tv_nsec = (long) ((d % (1000 * 1000 * 10)) * 100);
+
+ /* Convert to seconds */
+ d /= 1000*1000*10;
+
+ /* Now adjust by 369 years to make the secs since 1970 */
+ d -= TIME_FIXUP_CONSTANT_INT;
+
+ if (d <= (int64_t)TIME_T_MIN) {
+ ret.tv_sec = TIME_T_MIN;
+ ret.tv_nsec = 0;
+ return ret;
+ }
+
+ if (d >= (int64_t)TIME_T_MAX) {
+ ret.tv_sec = TIME_T_MAX;
+ ret.tv_nsec = 0;
+ return ret;
+ }
+
+ ret.tv_sec = (time_t)d;
+ return ret;
+}
+
+
/**
check if 2 NTTIMEs are equal.
*/
{
return *t1 == *t2;
}
+
+/**
+ Check if it's a null timespec.
+**/
+
+bool null_timespec(struct timespec ts)
+{
+ return ts.tv_sec == 0 ||
+ ts.tv_sec == (time_t)0xFFFFFFFF ||
+ ts.tv_sec == (time_t)-1;
+}
+
+
#define NTTIME_INFINITY (NTTIME)0x8000000000000000LL
-/***************************************************************************
- External access to time_t_min and time_t_max.
-****************************************************************************/
-
-time_t get_time_t_max(void)
-{
- return TIME_T_MAX;
-}
-
-/***************************************************************************
- A gettimeofday wrapper.
-****************************************************************************/
-
-void GetTimeOfDay(struct timeval *tval)
-{
-#ifdef HAVE_GETTIMEOFDAY_TZ
- gettimeofday(tval,NULL);
-#else
- gettimeofday(tval);
-#endif
-}
-
#if (SIZEOF_LONG == 8)
#define TIME_FIXUP_CONSTANT_INT 11644473600L
#elif (SIZEOF_LONG_LONG == 8)
#define TIME_FIXUP_CONSTANT_INT 11644473600LL
#endif
-/****************************************************************************
- Interpret an 8 byte "filetime" structure to a time_t
- It's originally in "100ns units since jan 1st 1601"
-
- An 8 byte value of 0xffffffffffffffff will be returned as a timespec of
-
- tv_sec = 0
- tv_nsec = 0;
-
- Returns GMT.
-****************************************************************************/
-
-time_t nt_time_to_unix(NTTIME nt)
-{
- return convert_timespec_to_time_t(nt_time_to_unix_timespec(&nt));
-}
-
-/****************************************************************************
- Put a 8 byte filetime from a time_t. Uses GMT.
-****************************************************************************/
-
-void unix_to_nt_time(NTTIME *nt, time_t t)
-{
- uint64_t t2;
-
- if (t == (time_t)-1) {
- *nt = (NTTIME)-1LL;
- return;
- }
-
- if (t == TIME_T_MAX) {
- *nt = 0x7fffffffffffffffLL;
- return;
- }
-
- if (t == 0) {
- *nt = 0;
- return;
- }
-
- t2 = t;
- t2 += TIME_FIXUP_CONSTANT_INT;
- t2 *= 1000*1000*10;
-
- *nt = t2;
-}
-
-/****************************************************************************
- Check if it's a null unix time.
-****************************************************************************/
-
-bool null_time(time_t t)
-{
- return t == 0 ||
- t == (time_t)0xFFFFFFFF ||
- t == (time_t)-1;
-}
-
-/****************************************************************************
- Check if it's a null NTTIME.
-****************************************************************************/
-
-bool null_nttime(NTTIME t)
-{
- return t == 0 || t == (NTTIME)-1;
-}
-
-/****************************************************************************
- Check if it's a null timespec.
-****************************************************************************/
-
-bool null_timespec(struct timespec ts)
-{
- return ts.tv_sec == 0 ||
- ts.tv_sec == (time_t)0xFFFFFFFF ||
- ts.tv_sec == (time_t)-1;
-}
-
/*******************************************************************
create a 16 bit dos packed date
********************************************************************/
return ret;
}
-/**
-put a dos date into a buffer (time/date format)
-This takes GMT time and puts local time in the buffer
-**/
-void push_dos_date(uint8_t *buf, int offset, time_t unixdate, int zone_offset)
-{
- uint32_t x = make_dos_date(unixdate, zone_offset);
- SIVAL(buf,offset,x);
-}
-
-/**
-put a dos date into a buffer (date/time format)
-This takes GMT time and puts local time in the buffer
-**/
-void push_dos_date2(uint8_t *buf,int offset,time_t unixdate, int zone_offset)
-{
- uint32_t x;
- x = make_dos_date(unixdate, zone_offset);
- x = ((x&0xFFFF)<<16) | ((x&0xFFFF0000)>>16);
- SIVAL(buf,offset,x);
-}
-
-/**
-put a dos 32 bit "unix like" date into a buffer. This routine takes
-GMT and converts it to LOCAL time before putting it (most SMBs assume
-localtime for this sort of date)
-**/
-void push_dos_date3(uint8_t *buf,int offset,time_t unixdate, int zone_offset)
-{
- if (!null_time(unixdate)) {
- unixdate -= zone_offset;
- }
- SIVAL(buf,offset,unixdate);
-}
-
-/*******************************************************************
- interpret a 32 bit dos packed date/time to some parameters
-********************************************************************/
-static void interpret_dos_date(uint32_t date,int *year,int *month,int *day,int *hour,int *minute,int *second)
-{
- uint32_t p0,p1,p2,p3;
-
- p0=date&0xFF; p1=((date&0xFF00)>>8)&0xFF;
- p2=((date&0xFF0000)>>16)&0xFF; p3=((date&0xFF000000)>>24)&0xFF;
-
- *second = 2*(p0 & 0x1F);
- *minute = ((p0>>5)&0xFF) + ((p1&0x7)<<3);
- *hour = (p1>>3)&0xFF;
- *day = (p2&0x1F);
- *month = ((p2>>5)&0xFF) + ((p3&0x1)<<3) - 1;
- *year = ((p3>>1)&0xFF) + 80;
-}
-
-/**
- create a unix date (int GMT) from a dos date (which is actually in
- localtime)
-**/
-time_t pull_dos_date(const uint8_t *date_ptr, int zone_offset)
-{
- uint32_t dos_date=0;
- struct tm t;
- time_t ret;
-
- dos_date = IVAL(date_ptr,0);
-
- if (dos_date == 0) return (time_t)0;
-
- interpret_dos_date(dos_date,&t.tm_year,&t.tm_mon,
- &t.tm_mday,&t.tm_hour,&t.tm_min,&t.tm_sec);
- t.tm_isdst = -1;
-
- ret = timegm(&t);
-
- ret += zone_offset;
-
- return ret;
-}
-
-/**
-like make_unix_date() but the words are reversed
-**/
-time_t pull_dos_date2(const uint8_t *date_ptr, int zone_offset)
-{
- uint32_t x,x2;
-
- x = IVAL(date_ptr,0);
- x2 = ((x&0xFFFF)<<16) | ((x&0xFFFF0000)>>16);
- SIVAL(&x,0,x2);
-
- return pull_dos_date((const uint8_t *)&x, zone_offset);
-}
-
-/**
- create a unix GMT date from a dos date in 32 bit "unix like" format
- these generally arrive as localtimes, with corresponding DST
-**/
-time_t pull_dos_date3(const uint8_t *date_ptr, int zone_offset)
-{
- time_t t = (time_t)IVAL(date_ptr,0);
- if (!null_time(t)) {
- t += zone_offset;
- }
- return t;
-}
-
-/***************************************************************************
- Return a HTTP/1.0 time string.
-***************************************************************************/
-
-char *http_timestring(time_t t)
-{
- fstring buf;
- struct tm *tm = localtime(&t);
-
- if (t == TIME_T_MAX) {
- fstrcpy(buf, "never");
- } else if (!tm) {
- fstr_sprintf(buf, "%ld seconds since the Epoch", (long)t);
- } else {
-#ifndef HAVE_STRFTIME
- const char *asct = asctime(tm);
- fstrcpy(buf, asct ? asct : "unknown");
- }
- if(buf[strlen(buf)-1] == '\n') {
- buf[strlen(buf)-1] = 0;
-#else /* !HAVE_STRFTIME */
- strftime(buf, sizeof(buf)-1, "%a, %d %b %Y %H:%M:%S %Z", tm);
-#endif /* !HAVE_STRFTIME */
- }
- return talloc_strdup(talloc_tos(), buf);
-}
-
-
-/**
- Return the date and time as a string
-**/
-char *timestring(TALLOC_CTX *mem_ctx, time_t t)
-{
- char *TimeBuf;
- char tempTime[80];
- struct tm *tm;
-
- tm = localtime(&t);
- if (!tm) {
- return talloc_asprintf(mem_ctx,
- "%ld seconds since the Epoch",
- (long)t);
- }
-
-#ifdef HAVE_STRFTIME
- /* some versions of gcc complain about using %c. This is a bug
- in the gcc warning, not a bug in this code. See a recent
- strftime() manual page for details.
- */
- strftime(tempTime,sizeof(tempTime)-1,"%c %Z",tm);
- TimeBuf = talloc_strdup(mem_ctx, tempTime);
-#else
- TimeBuf = talloc_strdup(mem_ctx, asctime(tm));
-#endif
-
- return TimeBuf;
-}
-
-/**
- return a talloced string representing a NTTIME for human consumption
-*/
-const char *nt_time_string(TALLOC_CTX *mem_ctx, NTTIME nt)
-{
- time_t t;
- if (nt == 0) {
- return "NTTIME(0)";
- }
- t = nt_time_to_unix(nt);
- return timestring(mem_ctx, t);
-}
-
-
/**
parse a nttime as a large integer in a string and return a NTTIME
*/
return strtoull(s, NULL, 0);
}
-/**
- return (tv1 - tv2) in microseconds
-*/
-int64_t usec_time_diff(struct timeval *tv1, struct timeval *tv2)
-{
- int64_t sec_diff = tv1->tv_sec - tv2->tv_sec;
- return (sec_diff * 1000000) + (int64_t)(tv1->tv_usec - tv2->tv_usec);
-}
-
-
-/**
- return a zero timeval
-*/
-struct timeval timeval_zero(void)
-{
- struct timeval tv;
- tv.tv_sec = 0;
- tv.tv_usec = 0;
- return tv;
-}
-
-/**
- return True if a timeval is zero
-*/
-bool timeval_is_zero(const struct timeval *tv)
-{
- return tv->tv_sec == 0 && tv->tv_usec == 0;
-}
-
-/**
- return a timeval for the current time
-*/
-struct timeval timeval_current(void)
-{
- struct timeval tv;
- GetTimeOfDay(&tv);
- return tv;
-}
-
-/**
- return a timeval struct with the given elements
-*/
-struct timeval timeval_set(uint32_t secs, uint32_t usecs)
-{
- struct timeval tv;
- tv.tv_sec = secs;
- tv.tv_usec = usecs;
- return tv;
-}
-
-
-/**
- return a timeval ofs microseconds after tv
-*/
-struct timeval timeval_add(const struct timeval *tv,
- uint32_t secs, uint32_t usecs)
-{
- struct timeval tv2 = *tv;
- const unsigned int million = 1000000;
- tv2.tv_sec += secs;
- tv2.tv_usec += usecs;
- tv2.tv_sec += tv2.tv_usec / million;
- tv2.tv_usec = tv2.tv_usec % million;
- return tv2;
-}
-
-/**
- return the sum of two timeval structures
-*/
-struct timeval timeval_sum(const struct timeval *tv1,
- const struct timeval *tv2)
-{
- return timeval_add(tv1, tv2->tv_sec, tv2->tv_usec);
-}
-
-/**
- return a timeval secs/usecs into the future
-*/
-struct timeval timeval_current_ofs(uint32_t secs, uint32_t usecs)
-{
- struct timeval tv = timeval_current();
- return timeval_add(&tv, secs, usecs);
-}
-
-/**
- compare two timeval structures.
- Return -1 if tv1 < tv2
- Return 0 if tv1 == tv2
- Return 1 if tv1 > tv2
-*/
-int timeval_compare(const struct timeval *tv1, const struct timeval *tv2)
-{
- if (tv1->tv_sec > tv2->tv_sec) return 1;
- if (tv1->tv_sec < tv2->tv_sec) return -1;
- if (tv1->tv_usec > tv2->tv_usec) return 1;
- if (tv1->tv_usec < tv2->tv_usec) return -1;
- return 0;
-}
-
-/**
- return True if a timer is in the past
-*/
-bool timeval_expired(const struct timeval *tv)
-{
- struct timeval tv2 = timeval_current();
- if (tv2.tv_sec > tv->tv_sec) return True;
- if (tv2.tv_sec < tv->tv_sec) return False;
- return (tv2.tv_usec >= tv->tv_usec);
-}
-
-/**
- return the number of seconds elapsed between two times
-*/
-double timeval_elapsed2(const struct timeval *tv1, const struct timeval *tv2)
-{
- return (tv2->tv_sec - tv1->tv_sec) +
- (tv2->tv_usec - tv1->tv_usec)*1.0e-6;
-}
-
-/**
- return the number of seconds elapsed since a given time
-*/
-double timeval_elapsed(const struct timeval *tv)
-{
- struct timeval tv2 = timeval_current();
- return timeval_elapsed2(tv, &tv2);
-}
-
-/**
- return the lesser of two timevals
-*/
-struct timeval timeval_min(const struct timeval *tv1,
- const struct timeval *tv2)
-{
- if (tv1->tv_sec < tv2->tv_sec) return *tv1;
- if (tv1->tv_sec > tv2->tv_sec) return *tv2;
- if (tv1->tv_usec < tv2->tv_usec) return *tv1;
- return *tv2;
-}
-
-/**
- return the greater of two timevals
-*/
-struct timeval timeval_max(const struct timeval *tv1,
- const struct timeval *tv2)
-{
- if (tv1->tv_sec > tv2->tv_sec) return *tv1;
- if (tv1->tv_sec < tv2->tv_sec) return *tv2;
- if (tv1->tv_usec > tv2->tv_usec) return *tv1;
- return *tv2;
-}
-
-/**
- return the difference between two timevals as a timeval
- if tv1 comes after tv2, then return a zero timeval
- (this is *tv2 - *tv1)
-*/
-struct timeval timeval_until(const struct timeval *tv1,
- const struct timeval *tv2)
-{
- struct timeval t;
- if (timeval_compare(tv1, tv2) >= 0) {
- return timeval_zero();
- }
- t.tv_sec = tv2->tv_sec - tv1->tv_sec;
- if (tv1->tv_usec > tv2->tv_usec) {
- t.tv_sec--;
- t.tv_usec = 1000000 - (tv1->tv_usec - tv2->tv_usec);
- } else {
- t.tv_usec = tv2->tv_usec - tv1->tv_usec;
- }
- return t;
-}
-
-
-/**
- convert a timeval to a NTTIME
-*/
-NTTIME timeval_to_nttime(const struct timeval *tv)
-{
- return 10*(tv->tv_usec +
- ((TIME_FIXUP_CONSTANT_INT + (uint64_t)tv->tv_sec) * 1000000));
-}
-
/**************************************************************
Handle conversions between time_t and uint32, taking care to
preserve the "special" values.
return (time_t)u;
}
-/*******************************************************************
- Yield the difference between *A and *B, in seconds, ignoring leap seconds.
-********************************************************************/
-
-static int tm_diff(struct tm *a, struct tm *b)
-{
- int ay = a->tm_year + (1900 - 1);
- int by = b->tm_year + (1900 - 1);
- int intervening_leap_days =
- (ay/4 - by/4) - (ay/100 - by/100) + (ay/400 - by/400);
- int years = ay - by;
- int days = 365*years + intervening_leap_days + (a->tm_yday - b->tm_yday);
- int hours = 24*days + (a->tm_hour - b->tm_hour);
- int minutes = 60*hours + (a->tm_min - b->tm_min);
- int seconds = 60*minutes + (a->tm_sec - b->tm_sec);
-
- return seconds;
-}
-
int extra_time_offset=0;
-/*******************************************************************
- Return the UTC offset in seconds west of UTC, or 0 if it cannot be determined.
-********************************************************************/
-
-int get_time_zone(time_t t)
-{
- struct tm *tm = gmtime(&t);
- struct tm tm_utc;
- if (!tm)
- return 0;
- tm_utc = *tm;
- tm = localtime(&t);
- if (!tm)
- return 0;
- return tm_diff(&tm_utc,tm)+60*extra_time_offset;
-}
-
/****************************************************************************
Check if NTTIME is 0.
****************************************************************************/
return make_unix_date3(date_ptr, server_zone_offset);
}
-time_t convert_timespec_to_time_t(struct timespec ts)
-{
- /* 1 ns == 1,000,000,000 - one thousand millionths of a second.
- increment if it's greater than 500 millionth of a second. */
- if (ts.tv_nsec > 500000000) {
- return ts.tv_sec + 1;
- }
- return ts.tv_sec;
-}
-
-struct timespec convert_time_t_to_timespec(time_t t)
-{
- struct timespec ts;
- ts.tv_sec = t;
- ts.tv_nsec = 0;
- return ts;
-}
-
/****************************************************************************
Convert a normalized timeval to a timespec.
****************************************************************************/
return make_unix_date3(date_ptr, cli->serverzone);
}
-/* Large integer version. */
-struct timespec nt_time_to_unix_timespec(NTTIME *nt)
-{
- int64 d;
- struct timespec ret;
-
- if (*nt == 0 || *nt == (int64)-1) {
- ret.tv_sec = 0;
- ret.tv_nsec = 0;
- return ret;
- }
-
- d = (int64)*nt;
- /* d is now in 100ns units, since jan 1st 1601".
- Save off the ns fraction. */
-
- /*
- * Take the last seven decimal digits and multiply by 100.
- * to convert from 100ns units to 1ns units.
- */
- ret.tv_nsec = (long) ((d % (1000 * 1000 * 10)) * 100);
-
- /* Convert to seconds */
- d /= 1000*1000*10;
-
- /* Now adjust by 369 years to make the secs since 1970 */
- d -= TIME_FIXUP_CONSTANT_INT;
-
- if (d <= (int64)TIME_T_MIN) {
- ret.tv_sec = TIME_T_MIN;
- ret.tv_nsec = 0;
- return ret;
- }
-
- if (d >= (int64)TIME_T_MAX) {
- ret.tv_sec = TIME_T_MAX;
- ret.tv_nsec = 0;
- return ret;
- }
-
- ret.tv_sec = (time_t)d;
- return ret;
-}
/****************************************************************************
Check if two NTTIMEs are the same.
****************************************************************************/
git.samba.org / ab / samba.git / .git / commitdiff