diff options
Diffstat (limited to 'fs/udf/udftime.c')
-rw-r--r-- | fs/udf/udftime.c | 82 |
1 files changed, 40 insertions, 42 deletions
diff --git a/fs/udf/udftime.c b/fs/udf/udftime.c index b9f3198..3fd80eb 100644 --- a/fs/udf/udftime.c +++ b/fs/udf/udftime.c @@ -18,18 +18,18 @@ Boston, MA 02111-1307, USA. */ /* - * dgb 10/02/98: ripped this from glibc source to help convert timestamps to unix time + * dgb 10/02/98: ripped this from glibc source to help convert timestamps to unix time * 10/04/98: added new table-based lookup after seeing how ugly the gnu code is * blf 09/27/99: ripped out all the old code and inserted new table from - * John Brockmeyer (without leap second corrections) - * rewrote udf_stamp_to_time and fixed timezone accounting in - udf_time_to_stamp. + * John Brockmeyer (without leap second corrections) + * rewrote udf_stamp_to_time and fixed timezone accounting in + * udf_time_to_stamp. */ /* * We don't take into account leap seconds. This may be correct or incorrect. * For more NIST information (especially dealing with leap seconds), see: - * http://www.boulder.nist.gov/timefreq/pubs/bulletin/leapsecond.htm + * http://www.boulder.nist.gov/timefreq/pubs/bulletin/leapsecond.htm */ #include <linux/types.h> @@ -54,28 +54,28 @@ static const unsigned short int __mon_yday[2][13] = { }; #define MAX_YEAR_SECONDS 69 -#define SPD 0x15180 /*3600*24 */ -#define SPY(y,l,s) (SPD * (365*y+l)+s) - -static time_t year_seconds[MAX_YEAR_SECONDS] = { -/*1970*/ SPY(0, 0, 0), SPY(1, 0, 0), SPY(2, 0, 0), SPY(3, 1, 0), -/*1974*/ SPY(4, 1, 0), SPY(5, 1, 0), SPY(6, 1, 0), SPY(7, 2, 0), -/*1978*/ SPY(8, 2, 0), SPY(9, 2, 0), SPY(10, 2, 0), SPY(11, 3, 0), -/*1982*/ SPY(12, 3, 0), SPY(13, 3, 0), SPY(14, 3, 0), SPY(15, 4, 0), -/*1986*/ SPY(16, 4, 0), SPY(17, 4, 0), SPY(18, 4, 0), SPY(19, 5, 0), -/*1990*/ SPY(20, 5, 0), SPY(21, 5, 0), SPY(22, 5, 0), SPY(23, 6, 0), -/*1994*/ SPY(24, 6, 0), SPY(25, 6, 0), SPY(26, 6, 0), SPY(27, 7, 0), -/*1998*/ SPY(28, 7, 0), SPY(29, 7, 0), SPY(30, 7, 0), SPY(31, 8, 0), -/*2002*/ SPY(32, 8, 0), SPY(33, 8, 0), SPY(34, 8, 0), SPY(35, 9, 0), -/*2006*/ SPY(36, 9, 0), SPY(37, 9, 0), SPY(38, 9, 0), SPY(39, 10, 0), -/*2010*/ SPY(40, 10, 0), SPY(41, 10, 0), SPY(42, 10, 0), SPY(43, 11, 0), -/*2014*/ SPY(44, 11, 0), SPY(45, 11, 0), SPY(46, 11, 0), SPY(47, 12, 0), -/*2018*/ SPY(48, 12, 0), SPY(49, 12, 0), SPY(50, 12, 0), SPY(51, 13, 0), -/*2022*/ SPY(52, 13, 0), SPY(53, 13, 0), SPY(54, 13, 0), SPY(55, 14, 0), -/*2026*/ SPY(56, 14, 0), SPY(57, 14, 0), SPY(58, 14, 0), SPY(59, 15, 0), -/*2030*/ SPY(60, 15, 0), SPY(61, 15, 0), SPY(62, 15, 0), SPY(63, 16, 0), -/*2034*/ SPY(64, 16, 0), SPY(65, 16, 0), SPY(66, 16, 0), SPY(67, 17, 0), -/*2038*/ SPY(68, 17, 0) +#define SPD 0x15180 /*3600*24 */ +#define SPY(y,l,s) (SPD * (365*y+l)+s) + +static time_t year_seconds[MAX_YEAR_SECONDS]= { +/*1970*/ SPY( 0, 0,0), SPY( 1, 0,0), SPY( 2, 0,0), SPY( 3, 1,0), +/*1974*/ SPY( 4, 1,0), SPY( 5, 1,0), SPY( 6, 1,0), SPY( 7, 2,0), +/*1978*/ SPY( 8, 2,0), SPY( 9, 2,0), SPY(10, 2,0), SPY(11, 3,0), +/*1982*/ SPY(12, 3,0), SPY(13, 3,0), SPY(14, 3,0), SPY(15, 4,0), +/*1986*/ SPY(16, 4,0), SPY(17, 4,0), SPY(18, 4,0), SPY(19, 5,0), +/*1990*/ SPY(20, 5,0), SPY(21, 5,0), SPY(22, 5,0), SPY(23, 6,0), +/*1994*/ SPY(24, 6,0), SPY(25, 6,0), SPY(26, 6,0), SPY(27, 7,0), +/*1998*/ SPY(28, 7,0), SPY(29, 7,0), SPY(30, 7,0), SPY(31, 8,0), +/*2002*/ SPY(32, 8,0), SPY(33, 8,0), SPY(34, 8,0), SPY(35, 9,0), +/*2006*/ SPY(36, 9,0), SPY(37, 9,0), SPY(38, 9,0), SPY(39,10,0), +/*2010*/ SPY(40,10,0), SPY(41,10,0), SPY(42,10,0), SPY(43,11,0), +/*2014*/ SPY(44,11,0), SPY(45,11,0), SPY(46,11,0), SPY(47,12,0), +/*2018*/ SPY(48,12,0), SPY(49,12,0), SPY(50,12,0), SPY(51,13,0), +/*2022*/ SPY(52,13,0), SPY(53,13,0), SPY(54,13,0), SPY(55,14,0), +/*2026*/ SPY(56,14,0), SPY(57,14,0), SPY(58,14,0), SPY(59,15,0), +/*2030*/ SPY(60,15,0), SPY(61,15,0), SPY(62,15,0), SPY(63,16,0), +/*2034*/ SPY(64,16,0), SPY(65,16,0), SPY(66,16,0), SPY(67,17,0), +/*2038*/ SPY(68,17,0) }; extern struct timezone sys_tz; @@ -83,7 +83,7 @@ extern struct timezone sys_tz; #define SECS_PER_HOUR (60 * 60) #define SECS_PER_DAY (SECS_PER_HOUR * 24) -time_t *udf_stamp_to_time(time_t * dest, long *dest_usec, kernel_timestamp src) +time_t *udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src) { int yday; uint8_t type = src.typeAndTimezone >> 12; @@ -93,10 +93,11 @@ time_t *udf_stamp_to_time(time_t * dest, long *dest_usec, kernel_timestamp src) offset = src.typeAndTimezone << 4; /* sign extent offset */ offset = (offset >> 4); - if (offset == -2047) /* unspecified offset */ + if (offset == -2047) /* unspecified offset */ offset = 0; - } else + } else { offset = 0; + } if ((src.year < EPOCH_YEAR) || (src.year >= EPOCH_YEAR + MAX_YEAR_SECONDS)) { @@ -107,12 +108,10 @@ time_t *udf_stamp_to_time(time_t * dest, long *dest_usec, kernel_timestamp src) *dest = year_seconds[src.year - EPOCH_YEAR]; *dest -= offset * 60; - yday = ((__mon_yday[__isleap(src.year)] + yday = ((__mon_yday[__isleap (src.year)] [src.month - 1]) + (src.day - 1)); - *dest += (((yday * 24) + src.hour) * 60 + src.minute) * 60 + src.second; - *dest_usec = - src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 + - src.microseconds; + *dest += ( ( (yday * 24) + src.hour ) * 60 + src.minute ) * 60 + src.second; + *dest_usec = src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 + src.microseconds; return dest; } @@ -145,8 +144,9 @@ kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts) long int yg = y + days / 365 - (days % 365 < 0); /* Adjust DAYS and Y to match the guessed year. */ - days -= ((yg - y) * 365 + LEAPS_THRU_END_OF(yg - 1) - - LEAPS_THRU_END_OF(y - 1)); + days -= ((yg - y) * 365 + + LEAPS_THRU_END_OF (yg - 1) + - LEAPS_THRU_END_OF (y - 1)); y = yg; } dest->year = y; @@ -158,11 +158,9 @@ kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts) dest->day = days + 1; dest->centiseconds = ts.tv_nsec / 10000000; - dest->hundredsOfMicroseconds = - (ts.tv_nsec / 1000 - dest->centiseconds * 10000) / 100; - dest->microseconds = - (ts.tv_nsec / 1000 - dest->centiseconds * 10000 - - dest->hundredsOfMicroseconds * 100); + dest->hundredsOfMicroseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000) / 100; + dest->microseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000 - + dest->hundredsOfMicroseconds * 100); return dest; } |