diff options
Diffstat (limited to 'source3/lib/time.c')
| -rw-r--r-- | source3/lib/time.c | 173 |
1 files changed, 147 insertions, 26 deletions
diff --git a/source3/lib/time.c b/source3/lib/time.c index 0bfdfac856..fa4ef398f2 100644 --- a/source3/lib/time.c +++ b/source3/lib/time.c @@ -172,28 +172,52 @@ int TimeDiff(time_t t) } #endif +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; +} + #define TIME_FIXUP_CONSTANT (369.0*365.25*24*60*60-(3.0*24*60*60+6.0*60*60)) /**************************************************************************** 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 (time_t)0. + 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) +static struct timespec nt_time_to_unix_timespec(NTTIME *nt) { double d; - time_t ret; + struct timespec ret; /* The next two lines are a fix needed for the broken SCO compiler. JRA. */ time_t l_time_min = TIME_T_MIN; time_t l_time_max = TIME_T_MAX; - if (nt->high == 0 || (nt->high == 0xffffffff && nt->low == 0xffffffff)) { - return(0); + if ((nt->high == 0 && nt->low == 0 )|| + (nt->high == 0xffffffff && nt->low == 0xffffffff)) { + ret.tv_sec = 0; + ret.tv_nsec = 0; + return ret; } d = ((double)nt->high)*4.0*(double)(1<<30); @@ -204,15 +228,25 @@ time_t nt_time_to_unix(NTTIME *nt) d -= TIME_FIXUP_CONSTANT; if (d <= l_time_min) { - return (l_time_min); + ret.tv_sec = l_time_min; + ret.tv_nsec = 0; + return ret; } if (d >= l_time_max) { - return (l_time_max); + ret.tv_sec = l_time_max; + ret.tv_nsec = 0; + return ret; } - ret = (time_t)(d+0.5); - return(ret); + ret.tv_sec = (time_t)d; + ret.tv_nsec = (long) ((d - (double)ret.tv_sec)*1.0e9); + return ret; +} + +time_t nt_time_to_unix(NTTIME *nt) +{ + return convert_timespec_to_time_t(nt_time_to_unix_timespec(nt)); } /**************************************************************************** @@ -235,7 +269,7 @@ time_t nt_time_to_unix_abs(const NTTIME *nt) NTTIME neg_nt; if (nt->high == 0) { - return(0); + return (time_t)0; } if (nt->high==0x80000000 && nt->low==0) { @@ -252,64 +286,79 @@ time_t nt_time_to_unix_abs(const NTTIME *nt) d *= 1.0e-7; if (!(l_time_min <= d && d <= l_time_max)) { - return(0); + return (time_t)0; } ret = (time_t)(d+0.5); - - return(ret); + return ret; } /**************************************************************************** - Interprets an nt time into a unix time_t. + Interprets an nt time into a unix struct timespec. Differs from nt_time_to_unix in that an 8 byte value of 0xffffffffffffffff will be returned as (time_t)-1, whereas nt_time_to_unix returns 0 in this case. ****************************************************************************/ -time_t interpret_long_date(char *p) +struct timespec interpret_long_date(char *p) { NTTIME nt; nt.low = IVAL(p,0); nt.high = IVAL(p,4); if (nt.low == 0xFFFFFFFF && nt.high == 0xFFFFFFFF) { - return (time_t)-1; + struct timespec ret; + ret.tv_sec = (time_t)-1; + ret.tv_nsec = 0; + return ret; } - return nt_time_to_unix(&nt); + return nt_time_to_unix_timespec(&nt); } /**************************************************************************** - Put a 8 byte filetime from a time_t. Uses GMT. + Put a 8 byte filetime from a struct timespec. Uses GMT. ****************************************************************************/ -void unix_to_nt_time(NTTIME *nt, time_t t) +void unix_timespec_to_nt_time(NTTIME *nt, struct timespec ts) { double d; - if (t==0) { + if (ts.tv_sec ==0 && ts.tv_nsec == 0) { nt->low = 0; nt->high = 0; return; } - if (t == TIME_T_MAX) { + if (ts.tv_sec == TIME_T_MAX) { nt->low = 0xffffffff; nt->high = 0x7fffffff; return; } - if (t == (time_t)-1) { + if (ts.tv_sec == (time_t)-1) { nt->low = 0xffffffff; nt->high = 0xffffffff; return; } - d = (double)(t); + d = (double)(ts.tv_sec); d += TIME_FIXUP_CONSTANT; d *= 1.0e7; + d += ((double)ts.tv_nsec / 100.0); nt->high = (uint32)(d * (1.0/(4.0*(double)(1<<30)))); nt->low = (uint32)(d - ((double)nt->high)*4.0*(double)(1<<30)); } /**************************************************************************** + Put a 8 byte filetime from a time_t. Uses GMT. +****************************************************************************/ + +void unix_to_nt_time(NTTIME *nt, time_t t) +{ + struct timespec ts; + ts.tv_sec = t; + ts.tv_nsec = 0; + unix_timespec_to_nt_time(nt, ts); +} + +/**************************************************************************** Convert a time_t to a NTTIME structure This is an absolute version of the one above. @@ -356,14 +405,22 @@ void unix_to_nt_time_abs(NTTIME *nt, time_t t) pointed to by p. ****************************************************************************/ -void put_long_date(char *p, time_t t) +void put_long_date_timespec(char *p, struct timespec ts) { NTTIME nt; - unix_to_nt_time(&nt, t); + unix_timespec_to_nt_time(&nt, ts); SIVAL(p, 0, nt.low); SIVAL(p, 4, nt.high); } +void put_long_date(char *p, time_t t) +{ + struct timespec ts; + ts.tv_sec = t; + ts.tv_nsec = 0; + put_long_date_timespec(p, ts); +} + /**************************************************************************** Check if it's a null mtime. ****************************************************************************/ @@ -717,6 +774,14 @@ time_t get_create_time(SMB_STRUCT_STAT *st,BOOL fake_dirs) return ret; } +struct timespec get_create_timespec(SMB_STRUCT_STAT *st,BOOL fake_dirs) +{ + struct timespec ts; + ts.tv_sec = get_create_time(st, fake_dirs); + ts.tv_nsec = 0; + return ts; +} + /**************************************************************************** Initialise an NTTIME to -1, which means "unknown" or "don't expire". ****************************************************************************/ @@ -955,7 +1020,7 @@ time_t generalized_to_unix_time(const char *str) } /**************************************************************************** - Return all the possible time fields from a stat struct as a timespec. + Get/Set all the possible time fields from a stat struct as a timespec. ****************************************************************************/ struct timespec get_atimespec(SMB_STRUCT_STAT *pst) @@ -981,6 +1046,23 @@ struct timespec get_atimespec(SMB_STRUCT_STAT *pst) #endif } +void set_atimespec(SMB_STRUCT_STAT *pst, struct timespec ts) +{ +#if !defined(HAVE_STAT_HIRES_TIMESTAMPS) + /* Old system - no ns timestamp. */ + pst->st_atime = ts.tv_sec; +#else +#if defined(HAVE_STAT_ST_ATIM) + pst->st_atim = ts; +#elif defined(HAVE_STAT_ST_ATIMENSEC) + pst->st_atime = ts.tv_sec; + pst->st_atimensec = ts.tv_nsec +#else +#error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT +#endif +#endif +} + struct timespec get_mtimespec(SMB_STRUCT_STAT *pst) { #if !defined(HAVE_STAT_HIRES_TIMESTAMPS) @@ -1004,6 +1086,23 @@ struct timespec get_mtimespec(SMB_STRUCT_STAT *pst) #endif } +void set_mtimespec(SMB_STRUCT_STAT *pst, struct timespec ts) +{ +#if !defined(HAVE_STAT_HIRES_TIMESTAMPS) + /* Old system - no ns timestamp. */ + pst->st_mtime = ts.tv_sec; +#else +#if defined(HAVE_STAT_ST_MTIM) + pst->st_mtim = ts; +#elif defined(HAVE_STAT_ST_MTIMENSEC) + pst->st_mtime = ts.tv_sec; + pst->st_mtimensec = ts.tv_nsec +#else +#error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT +#endif +#endif +} + struct timespec get_ctimespec(SMB_STRUCT_STAT *pst) { #if !defined(HAVE_STAT_HIRES_TIMESTAMPS) @@ -1027,6 +1126,23 @@ struct timespec get_ctimespec(SMB_STRUCT_STAT *pst) #endif } +void set_ctimespec(SMB_STRUCT_STAT *pst, struct timespec ts) +{ +#if !defined(HAVE_STAT_HIRES_TIMESTAMPS) + /* Old system - no ns timestamp. */ + pst->st_ctime = ts.tv_sec; +#else +#if defined(HAVE_STAT_ST_CTIM) + pst->st_atim = ts; +#elif defined(HAVE_STAT_ST_CTIMENSEC) + pst->st_ctime = ts.tv_sec; + pst->st_ctimensec = ts.tv_nsec +#else +#error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT +#endif +#endif +} + #if 0 /**************************************************************************** Return the best approximation to a 'create time' under UNIX from a stat @@ -1056,6 +1172,11 @@ struct timespec get_create_timespec(SMB_STRUCT_STAT *st,BOOL fake_dirs) } #endif +void dos_filetime_timespec(struct timespec *tsp) +{ + tsp->tv_sec &= ~1; + tsp->tv_nsec = 0; +} /** Return the date and time as a string |