*/
#include "includes.h"
+#include "system/time.h"
#ifndef TIME_T_MIN
-#define TIME_T_MIN ((time_t)0 < (time_t) -1 ? (time_t) 0 \
- : ~ (time_t) 0 << (sizeof (time_t) * 8 - 1))
+#define TIME_T_MIN 0
#endif
#ifndef TIME_T_MAX
-#define TIME_T_MAX (~ (time_t) 0 - TIME_T_MIN)
+#define TIME_T_MAX (~(time_t)0)
#endif
/*******************************************************************
#endif
}
-/*******************************************************************
-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;
-}
-
-/*******************************************************************
- 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);
-}
-
-#define TIME_FIXUP_CONSTANT (369.0*365.25*24*60*60-(3.0*24*60*60+6.0*60*60))
+#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"
****************************************************************************/
-time_t nt_time_to_unix(const NTTIME *nt)
+time_t nt_time_to_unix(NTTIME nt)
{
- double d;
- time_t ret;
-
- if (nt->high == 0) {
+ if (nt == 0) {
return 0;
}
+ if (nt == -1LL) {
+ return (time_t)-1;
+ }
+ nt += 1000*1000*10/2;
+ nt /= 1000*1000*10;
+ nt -= TIME_FIXUP_CONSTANT;
- d = ((double)nt->high)*4.0*(double)(1<<30);
- d += (nt->low&0xFFF00000);
- d *= 1.0e-7;
-
- /* now adjust by 369 years to make the secs since 1970 */
- d -= TIME_FIXUP_CONSTANT;
-
- if (TIME_T_MIN >= d || d >= TIME_T_MAX) {
+ if (TIME_T_MIN >= nt || nt >= TIME_T_MAX) {
return 0;
}
- ret = (time_t)(d+0.5);
-
- return ret;
+ return (time_t)nt;
}
****************************************************************************/
void unix_to_nt_time(NTTIME *nt, time_t t)
{
- double d;
+ uint64_t t2;
- if (t==0) {
- nt->low = 0;
- nt->high = 0;
- return;
- }
- if (t == TIME_T_MAX) {
- nt->low = 0xffffffff;
- nt->high = 0x7fffffff;
+ if (t == (time_t)-1) {
+ *nt = (NTTIME)-1LL;
return;
}
- if (t == -1) {
- nt->low = 0xffffffff;
- nt->high = 0xffffffff;
+ if (t == 0) {
+ *nt = 0;
return;
}
- d = (double)(t);
- d += TIME_FIXUP_CONSTANT;
- d *= 1.0e7;
+ t2 = t;
+ t2 += TIME_FIXUP_CONSTANT;
+ t2 *= 1000*1000*10;
- nt->high = (uint32)(d * (1.0/(4.0*(double)(1<<30))));
- nt->low = (uint32)(d - ((double)nt->high)*4.0*(double)(1<<30));
+ *nt = t2;
}
/****************************************************************************
-check if it's a null mtime
+check if it's a null unix time
****************************************************************************/
-BOOL null_mtime(time_t mtime)
+BOOL null_time(time_t t)
{
- return mtime == 0 ||
- mtime == (time_t)0xFFFFFFFF ||
- mtime == (time_t)-1;
+ return t == 0 ||
+ t == (time_t)0xFFFFFFFF ||
+ t == (time_t)-1;
}
/*******************************************************************
create a 16 bit dos packed date
********************************************************************/
-static uint16 make_dos_date1(struct tm *t)
+static uint16_t make_dos_date1(struct tm *t)
{
- uint16 ret=0;
- ret = (((unsigned)(t->tm_mon+1)) >> 3) | ((t->tm_year-80) << 1);
+ uint16_t ret=0;
+ ret = (((uint_t)(t->tm_mon+1)) >> 3) | ((t->tm_year-80) << 1);
ret = ((ret&0xFF)<<8) | (t->tm_mday | (((t->tm_mon+1) & 0x7) << 5));
return ret;
}
/*******************************************************************
create a 16 bit dos packed time
********************************************************************/
-static uint16 make_dos_time1(struct tm *t)
+static uint16_t make_dos_time1(struct tm *t)
{
- uint16 ret=0;
- ret = ((((unsigned)t->tm_min >> 3)&0x7) | (((unsigned)t->tm_hour) << 3));
+ uint16_t ret=0;
+ ret = ((((uint_t)t->tm_min >> 3)&0x7) | (((uint_t)t->tm_hour) << 3));
ret = ((ret&0xFF)<<8) | ((t->tm_sec/2) | ((t->tm_min & 0x7) << 5));
return ret;
}
create a 32 bit dos packed date/time from some parameters
This takes a GMT time and returns a packed localtime structure
********************************************************************/
-static uint32 make_dos_date(time_t unixdate, int zone_offset)
+static uint32_t make_dos_date(time_t unixdate, int zone_offset)
{
struct tm *t;
- uint32 ret=0;
+ uint32_t ret=0;
if (unixdate == 0) {
return 0;
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(char *buf, int offset, time_t unixdate, int zone_offset)
+void push_dos_date(uint8_t *buf, int offset, time_t unixdate, int zone_offset)
{
- uint32 x = make_dos_date(unixdate, 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(char *buf,int offset,time_t unixdate, int zone_offset)
+void push_dos_date2(uint8_t *buf,int offset,time_t unixdate, int zone_offset)
{
- uint32 x;
+ uint32_t x;
x = make_dos_date(unixdate, zone_offset);
x = ((x&0xFFFF)<<16) | ((x&0xFFFF0000)>>16);
SIVAL(buf,offset,x);
GMT and converts it to LOCAL time before putting it (most SMBs assume
localtime for this sort of date)
********************************************************************/
-void push_dos_date3(char *buf,int offset,time_t unixdate, int zone_offset)
+void push_dos_date3(uint8_t *buf,int offset,time_t unixdate, int zone_offset)
{
- if (!null_mtime(unixdate)) {
+ 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 date,int *year,int *month,int *day,int *hour,int *minute,int *second)
+static void interpret_dos_date(uint32_t date,int *year,int *month,int *day,int *hour,int *minute,int *second)
{
- uint32 p0,p1,p2,p3;
+ uint32_t p0,p1,p2,p3;
p0=date&0xFF; p1=((date&0xFF00)>>8)&0xFF;
p2=((date&0xFF0000)>>16)&0xFF; p3=((date&0xFF000000)>>24)&0xFF;
create a unix date (int GMT) from a dos date (which is actually in
localtime)
********************************************************************/
-time_t pull_dos_date(const uint8 *date_ptr, int zone_offset)
+time_t pull_dos_date(const uint8_t *date_ptr, int zone_offset)
{
- uint32 dos_date=0;
+ uint32_t dos_date=0;
struct tm t;
time_t ret;
/*******************************************************************
like make_unix_date() but the words are reversed
********************************************************************/
-time_t pull_dos_date2(const uint8 *date_ptr, int zone_offset)
+time_t pull_dos_date2(const uint8_t *date_ptr, int zone_offset)
{
- uint32 x,x2;
+ uint32_t x,x2;
x = IVAL(date_ptr,0);
x2 = ((x&0xFFFF)<<16) | ((x&0xFFFF0000)>>16);
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 *date_ptr, int zone_offset)
+time_t pull_dos_date3(const uint8_t *date_ptr, int zone_offset)
{
time_t t = (time_t)IVAL(date_ptr,0);
- if (!null_mtime(t)) {
+ if (!null_time(t)) {
t += zone_offset;
}
return t;
return buf;
}
+/***************************************************************************
+return a LDAP time string
+ ***************************************************************************/
+char *ldap_timestring(TALLOC_CTX *mem_ctx, time_t t)
+{
+ struct tm *tm = gmtime(&t);
+ if (!tm) {
+ return NULL;
+ }
+
+ /* formatted like: 20040408072012.0Z */
+ return talloc_asprintf(mem_ctx,
+ "%04u%02u%02u%02u%02u%02u.0Z",
+ tm->tm_year+1900, tm->tm_mon+1,
+ tm->tm_mday, tm->tm_hour, tm->tm_min,
+ tm->tm_sec);
+}
/****************************************************************************
Return the date and time as a string
}
#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
return TimeBuf;
}
-/****************************************************************************
-check if NTTIME is 0
-****************************************************************************/
-BOOL nt_time_is_zero(NTTIME *nt)
-{
- return (nt->high==0);
-}
-
/*
return a talloced string representing a NTTIME for human consumption
*/
-const char *nt_time_string(TALLOC_CTX *mem_ctx, const NTTIME *nt)
+const char *nt_time_string(TALLOC_CTX *mem_ctx, NTTIME nt)
{
time_t t = nt_time_to_unix(nt);
- return talloc_strdup(mem_ctx, timestring(mem_ctx, t));
+ return timestring(mem_ctx, t);
}
/*
put a NTTIME into a packet
*/
-void push_nttime(void *base, uint16 offset, NTTIME *t)
+void push_nttime(uint8_t *base, uint16_t offset, NTTIME t)
{
- SIVAL(base, offset, t->low);
- SIVAL(base, offset+4, t->high);
+ SBVAL(base, offset, t);
}
/*
pull a NTTIME from a packet
*/
-NTTIME pull_nttime(void *base, uint16 offset)
+NTTIME pull_nttime(uint8_t *base, uint16_t offset)
{
- NTTIME ret;
- ret.low = IVAL(base, offset);
- ret.high = IVAL(base, offset+4);
+ NTTIME ret = BVAL(base, offset);
return ret;
}
+/*
+ parse a nttime as a large integer in a string and return a NTTIME
+*/
+NTTIME nttime_from_string(const char *s)
+{
+ 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 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(struct timeval *tv, uint32_t secs, uint32_t usecs)
+{
+ struct timeval tv2 = *tv;
+ const uint_t 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(struct timeval *tv1, 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 tv2 > tv1
+ Return 0 if tv2 == tv1
+ Return -1 if tv2 < tv1
+*/
+int timeval_compare(struct timeval *tv1, struct timeval *tv2)
+{
+ if (tv2->tv_sec > tv1->tv_sec) return 1;
+ if (tv2->tv_sec < tv1->tv_sec) return -1;
+ if (tv2->tv_usec > tv1->tv_usec) return 1;
+ if (tv2->tv_usec < tv1->tv_usec) return -1;
+ return 0;
+}
+
+/*
+ return True if a timer is in the past
+*/
+BOOL timeval_expired(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(struct timeval *tv1, 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(struct timeval *tv)
+{
+ struct timeval tv2 = timeval_current();
+ return timeval_elapsed2(tv, &tv2);
+}
+
+/*
+ return the lesser of two timevals
+*/
+struct timeval timeval_min(struct timeval *tv1, 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(struct timeval *tv1, 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 tv2 comes after tv1, then return a zero timeval
+ (this is *tv1 - *tv2)
+*/
+struct timeval timeval_diff(struct timeval *tv1, struct timeval *tv2)
+{
+ struct timeval t;
+ if (timeval_compare(tv1, tv2) >= 0) {
+ return timeval_zero();
+ }
+ t.tv_sec = tv1->tv_sec - tv2->tv_sec;
+ if (tv2->tv_usec > tv1->tv_usec) {
+ t.tv_sec--;
+ t.tv_usec = 1000000 - (tv2->tv_usec - tv1->tv_usec);
+ } else {
+ t.tv_usec = tv1->tv_usec - tv2->tv_usec;
+ }
+ return t;
+}
+
+
+/*
+ convert a timeval to a NTTIME
+*/
+NTTIME timeval_to_nttime(struct timeval *tv)
+{
+ return 10*(tv->tv_usec +
+ ((TIME_FIXUP_CONSTANT + (uint64_t)tv->tv_sec) * 1000000));
+}
git.samba.org / gd / samba-autobuild / .git / blobdiff