| Filename | /home/micha/.plenv/versions/5.38.2/lib/perl5/site_perl/5.38.2/Time/Local.pm |
| Statements | Executed 37 statements in 810µs |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 1 | 1 | 1 | 9µs | 10µs | Time::Local::BEGIN@3 |
| 1 | 1 | 1 | 8µs | 10µs | Time::Local::_daygm |
| 1 | 1 | 1 | 3µs | 24µs | Time::Local::BEGIN@34 |
| 1 | 1 | 1 | 3µs | 12µs | Time::Local::BEGIN@6 |
| 1 | 1 | 1 | 3µs | 12µs | Time::Local::BEGIN@10 |
| 1 | 1 | 1 | 3µs | 19µs | Time::Local::BEGIN@35 |
| 1 | 1 | 1 | 2µs | 16µs | Time::Local::BEGIN@36 |
| 1 | 1 | 1 | 2µs | 2µs | Time::Local::BEGIN@5 |
| 0 | 0 | 0 | 0s | 0s | Time::Local::_is_leap_year |
| 0 | 0 | 0 | 0s | 0s | Time::Local::_timegm |
| 0 | 0 | 0 | 0s | 0s | Time::Local::timegm |
| 0 | 0 | 0 | 0s | 0s | Time::Local::timegm_modern |
| 0 | 0 | 0 | 0s | 0s | Time::Local::timegm_nocheck |
| 0 | 0 | 0 | 0s | 0s | Time::Local::timegm_posix |
| 0 | 0 | 0 | 0s | 0s | Time::Local::timelocal |
| 0 | 0 | 0 | 0s | 0s | Time::Local::timelocal_modern |
| 0 | 0 | 0 | 0s | 0s | Time::Local::timelocal_nocheck |
| 0 | 0 | 0 | 0s | 0s | Time::Local::timelocal_posix |
| Line | State ments |
Time on line |
Calls | Time in subs |
Code |
|---|---|---|---|---|---|
| 1 | package Time::Local; | ||||
| 2 | |||||
| 3 | 2 | 17µs | 2 | 12µs | # spent 10µs (9+2) within Time::Local::BEGIN@3 which was called:
# once (9µs+2µs) by Archive::Zip::Member::BEGIN@27 at line 3 # spent 10µs making 1 call to Time::Local::BEGIN@3
# spent 2µs making 1 call to strict::import |
| 4 | |||||
| 5 | 2 | 15µs | 1 | 2µs | # spent 2µs within Time::Local::BEGIN@5 which was called:
# once (2µs+0s) by Archive::Zip::Member::BEGIN@27 at line 5 # spent 2µs making 1 call to Time::Local::BEGIN@5 |
| 6 | 2 | 20µs | 2 | 22µs | # spent 12µs (3+9) within Time::Local::BEGIN@6 which was called:
# once (3µs+9µs) by Archive::Zip::Member::BEGIN@27 at line 6 # spent 12µs making 1 call to Time::Local::BEGIN@6
# spent 9µs making 1 call to Exporter::import |
| 7 | |||||
| 8 | 1 | 200ns | our $VERSION = '1.35'; | ||
| 9 | |||||
| 10 | 2 | 60µs | 2 | 21µs | # spent 12µs (3+9) within Time::Local::BEGIN@10 which was called:
# once (3µs+9µs) by Archive::Zip::Member::BEGIN@27 at line 10 # spent 12µs making 1 call to Time::Local::BEGIN@10
# spent 9µs making 1 call to parent::import |
| 11 | |||||
| 12 | 1 | 700ns | our @EXPORT = qw( timegm timelocal ); | ||
| 13 | 1 | 500ns | our @EXPORT_OK = qw( | ||
| 14 | timegm_modern | ||||
| 15 | timelocal_modern | ||||
| 16 | timegm_nocheck | ||||
| 17 | timelocal_nocheck | ||||
| 18 | timegm_posix | ||||
| 19 | timelocal_posix | ||||
| 20 | ); | ||||
| 21 | |||||
| 22 | 1 | 500ns | my @MonthDays = ( 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ); | ||
| 23 | |||||
| 24 | # Determine breakpoint for rolling century | ||||
| 25 | 1 | 10µs | my $ThisYear = ( localtime() )[5]; | ||
| 26 | 1 | 900ns | my $Breakpoint = ( $ThisYear + 50 ) % 100; | ||
| 27 | 1 | 300ns | my $NextCentury = $ThisYear - $ThisYear % 100; | ||
| 28 | 1 | 100ns | $NextCentury += 100 if $Breakpoint < 50; | ||
| 29 | 1 | 100ns | my $Century = $NextCentury - 100; | ||
| 30 | 1 | 0s | my $SecOff = 0; | ||
| 31 | |||||
| 32 | 1 | 100ns | my ( %Options, %Cheat ); | ||
| 33 | |||||
| 34 | 2 | 18µs | 2 | 45µs | # spent 24µs (3+21) within Time::Local::BEGIN@34 which was called:
# once (3µs+21µs) by Archive::Zip::Member::BEGIN@27 at line 34 # spent 24µs making 1 call to Time::Local::BEGIN@34
# spent 21µs making 1 call to constant::import |
| 35 | 2 | 12µs | 2 | 34µs | # spent 19µs (3+16) within Time::Local::BEGIN@35 which was called:
# once (3µs+16µs) by Archive::Zip::Member::BEGIN@27 at line 35 # spent 19µs making 1 call to Time::Local::BEGIN@35
# spent 16µs making 1 call to constant::import |
| 36 | 2 | 628µs | 2 | 30µs | # spent 16µs (2+14) within Time::Local::BEGIN@36 which was called:
# once (2µs+14µs) by Archive::Zip::Member::BEGIN@27 at line 36 # spent 16µs making 1 call to Time::Local::BEGIN@36
# spent 14µs making 1 call to constant::import |
| 37 | |||||
| 38 | my $MaxDay; | ||||
| 39 | 1 | 300ns | if ( $] < 5.012000 ) { | ||
| 40 | require Config; | ||||
| 41 | ## no critic (Variables::ProhibitPackageVars) | ||||
| 42 | |||||
| 43 | my $MaxInt; | ||||
| 44 | if ( $^O eq 'MacOS' ) { | ||||
| 45 | |||||
| 46 | # time_t is unsigned... | ||||
| 47 | $MaxInt = ( 1 << ( 8 * $Config::Config{ivsize} ) ) | ||||
| 48 | - 1; ## no critic qw(ProhibitPackageVars) | ||||
| 49 | } | ||||
| 50 | else { | ||||
| 51 | $MaxInt | ||||
| 52 | = ( ( 1 << ( 8 * $Config::Config{ivsize} - 2 ) ) - 1 ) * 2 | ||||
| 53 | + 1; ## no critic qw(ProhibitPackageVars) | ||||
| 54 | } | ||||
| 55 | |||||
| 56 | $MaxDay = int( ( $MaxInt - ( SECS_PER_DAY / 2 ) ) / SECS_PER_DAY ) - 1; | ||||
| 57 | } | ||||
| 58 | else { | ||||
| 59 | # recent localtime()'s limit is the year 2**31 | ||||
| 60 | 1 | 100ns | $MaxDay = 365 * ( 2**31 ); | ||
| 61 | |||||
| 62 | # On (some?) 32-bit platforms this overflows and we end up with a negative | ||||
| 63 | # $MaxDay, which totally breaks this module. This is the old calculation | ||||
| 64 | # we used from the days before Perl always had 64-bit time_t. | ||||
| 65 | 1 | 100ns | if ( $MaxDay < 0 ) { | ||
| 66 | require Config; | ||||
| 67 | ## no critic (Variables::ProhibitPackageVars) | ||||
| 68 | my $max_int | ||||
| 69 | = ( ( 1 << ( 8 * $Config::Config{intsize} - 2 ) ) - 1 ) * 2 + 1; | ||||
| 70 | $MaxDay | ||||
| 71 | = int( ( $max_int - ( SECS_PER_DAY / 2 ) ) / SECS_PER_DAY ) - 1; | ||||
| 72 | } | ||||
| 73 | } | ||||
| 74 | |||||
| 75 | # Determine the EPOC day for this machine | ||||
| 76 | 1 | 100ns | my $Epoc = 0; | ||
| 77 | 1 | 1µs | if ( $^O eq 'vos' ) { | ||
| 78 | |||||
| 79 | # work around posix-977 -- VOS doesn't handle dates in the range | ||||
| 80 | # 1970-1980. | ||||
| 81 | $Epoc = _daygm( 0, 0, 0, 1, 0, 70, 4, 0 ); | ||||
| 82 | } | ||||
| 83 | elsif ( $^O eq 'MacOS' ) { | ||||
| 84 | $MaxDay *= 2; # time_t unsigned ... quick hack? | ||||
| 85 | # MacOS time() is seconds since 1 Jan 1904, localtime | ||||
| 86 | # so we need to calculate an offset to apply later | ||||
| 87 | $Epoc = 693901; | ||||
| 88 | $SecOff = timelocal( localtime(0) ) - timelocal( gmtime(0) ); | ||||
| 89 | $Epoc += _daygm( gmtime(0) ); | ||||
| 90 | } | ||||
| 91 | else { | ||||
| 92 | 1 | 3µs | 1 | 10µs | $Epoc = _daygm( gmtime(0) ); # spent 10µs making 1 call to Time::Local::_daygm |
| 93 | } | ||||
| 94 | |||||
| 95 | 1 | 500ns | %Cheat = (); # clear the cache as epoc has changed | ||
| 96 | |||||
| 97 | # spent 10µs (8+1) within Time::Local::_daygm which was called:
# once (8µs+1µs) by Archive::Zip::Member::BEGIN@27 at line 92 | ||||
| 98 | |||||
| 99 | # This is written in such a byzantine way in order to avoid | ||||
| 100 | # lexical variables and sub calls, for speed | ||||
| 101 | return $_[3] + ( | ||||
| 102 | 1 | 8µs | 1 | 1µs | $Cheat{ pack( 'ss', @_[ 4, 5 ] ) } ||= do { # spent 1µs making 1 call to CORE::pack |
| 103 | 1 | 300ns | my $month = ( $_[4] + 10 ) % 12; | ||
| 104 | 1 | 700ns | my $year = $_[5] + 1900 - int( $month / 10 ); | ||
| 105 | |||||
| 106 | 1 | 2µs | ( ( 365 * $year ) | ||
| 107 | + int( $year / 4 ) | ||||
| 108 | - int( $year / 100 ) | ||||
| 109 | + int( $year / 400 ) | ||||
| 110 | + int( ( ( $month * 306 ) + 5 ) / 10 ) ) | ||||
| 111 | - $Epoc; | ||||
| 112 | } | ||||
| 113 | ); | ||||
| 114 | } | ||||
| 115 | |||||
| 116 | sub _timegm { | ||||
| 117 | my $sec | ||||
| 118 | = $SecOff + $_[0] | ||||
| 119 | + ( SECS_PER_MINUTE * $_[1] ) | ||||
| 120 | + ( SECS_PER_HOUR * $_[2] ); | ||||
| 121 | |||||
| 122 | return $sec + ( SECS_PER_DAY * &_daygm ); | ||||
| 123 | } | ||||
| 124 | |||||
| 125 | sub timegm { | ||||
| 126 | my ( $sec, $min, $hour, $mday, $month, $year ) = @_; | ||||
| 127 | my $subsec = $sec - int($sec); | ||||
| 128 | $sec = int($sec); | ||||
| 129 | |||||
| 130 | if ( $Options{no_year_munging} ) { | ||||
| 131 | $year -= 1900; | ||||
| 132 | } | ||||
| 133 | elsif ( !$Options{posix_year} ) { | ||||
| 134 | if ( $year >= 1000 ) { | ||||
| 135 | $year -= 1900; | ||||
| 136 | } | ||||
| 137 | elsif ( $year < 100 and $year >= 0 ) { | ||||
| 138 | $year += ( $year > $Breakpoint ) ? $Century : $NextCentury; | ||||
| 139 | } | ||||
| 140 | } | ||||
| 141 | |||||
| 142 | unless ( $Options{no_range_check} ) { | ||||
| 143 | Carp::croak("Month '$month' out of range 0..11") | ||||
| 144 | if $month > 11 | ||||
| 145 | or $month < 0; | ||||
| 146 | |||||
| 147 | my $md = $MonthDays[$month]; | ||||
| 148 | ++$md | ||||
| 149 | if $month == 1 && _is_leap_year( $year + 1900 ); | ||||
| 150 | |||||
| 151 | Carp::croak("Day '$mday' out of range 1..$md") | ||||
| 152 | if $mday > $md or $mday < 1; | ||||
| 153 | Carp::croak("Hour '$hour' out of range 0..23") | ||||
| 154 | if $hour > 23 or $hour < 0; | ||||
| 155 | Carp::croak("Minute '$min' out of range 0..59") | ||||
| 156 | if $min > 59 or $min < 0; | ||||
| 157 | Carp::croak("Second '$sec' out of range 0..59") | ||||
| 158 | if $sec >= 60 or $sec < 0; | ||||
| 159 | } | ||||
| 160 | |||||
| 161 | my $days = _daygm( undef, undef, undef, $mday, $month, $year ); | ||||
| 162 | |||||
| 163 | if ( abs($days) > $MaxDay && !$Options{no_range_check} ) { | ||||
| 164 | my $msg = "Day too big - abs($days) > $MaxDay\n"; | ||||
| 165 | |||||
| 166 | $year += 1900; | ||||
| 167 | $msg | ||||
| 168 | .= "Cannot handle date ($sec, $min, $hour, $mday, $month, $year)"; | ||||
| 169 | |||||
| 170 | Carp::croak($msg); | ||||
| 171 | } | ||||
| 172 | |||||
| 173 | # Adding in the $subsec value last seems to prevent floating point errors | ||||
| 174 | # from creeping in. | ||||
| 175 | return ( | ||||
| 176 | ( | ||||
| 177 | $sec + $SecOff | ||||
| 178 | + ( SECS_PER_MINUTE * $min ) | ||||
| 179 | + ( SECS_PER_HOUR * $hour ) | ||||
| 180 | + ( SECS_PER_DAY * $days ) | ||||
| 181 | ) + $subsec | ||||
| 182 | ); | ||||
| 183 | } | ||||
| 184 | |||||
| 185 | sub _is_leap_year { | ||||
| 186 | return 0 if $_[0] % 4; | ||||
| 187 | return 1 if $_[0] % 100; | ||||
| 188 | return 0 if $_[0] % 400; | ||||
| 189 | |||||
| 190 | return 1; | ||||
| 191 | } | ||||
| 192 | |||||
| 193 | sub timegm_nocheck { | ||||
| 194 | local $Options{no_range_check} = 1; | ||||
| 195 | return &timegm; | ||||
| 196 | } | ||||
| 197 | |||||
| 198 | sub timegm_modern { | ||||
| 199 | local $Options{no_year_munging} = 1; | ||||
| 200 | return &timegm; | ||||
| 201 | } | ||||
| 202 | |||||
| 203 | sub timegm_posix { | ||||
| 204 | local $Options{posix_year} = 1; | ||||
| 205 | return &timegm; | ||||
| 206 | } | ||||
| 207 | |||||
| 208 | sub timelocal { | ||||
| 209 | my $sec = shift; | ||||
| 210 | my $subsec = $sec - int($sec); | ||||
| 211 | $sec = int($sec); | ||||
| 212 | unshift @_, $sec; | ||||
| 213 | |||||
| 214 | my $ref_t = &timegm; | ||||
| 215 | my $loc_for_ref_t = _timegm( localtime($ref_t) ); | ||||
| 216 | |||||
| 217 | my $zone_off = $loc_for_ref_t - $ref_t | ||||
| 218 | or return $loc_for_ref_t + $subsec; | ||||
| 219 | |||||
| 220 | # Adjust for timezone | ||||
| 221 | my $loc_t = $ref_t - $zone_off; | ||||
| 222 | |||||
| 223 | # Are we close to a DST change or are we done | ||||
| 224 | my $dst_off = $ref_t - _timegm( localtime($loc_t) ); | ||||
| 225 | |||||
| 226 | # If this evaluates to true, it means that the value in $loc_t is | ||||
| 227 | # the _second_ hour after a DST change where the local time moves | ||||
| 228 | # backward. | ||||
| 229 | if ( | ||||
| 230 | !$dst_off | ||||
| 231 | && ( ( $ref_t - SECS_PER_HOUR ) | ||||
| 232 | - _timegm( localtime( $loc_t - SECS_PER_HOUR ) ) < 0 ) | ||||
| 233 | ) { | ||||
| 234 | return ( $loc_t - SECS_PER_HOUR ) + $subsec; | ||||
| 235 | } | ||||
| 236 | |||||
| 237 | # Adjust for DST change | ||||
| 238 | $loc_t += $dst_off; | ||||
| 239 | |||||
| 240 | return $loc_t + $subsec if $dst_off > 0; | ||||
| 241 | |||||
| 242 | # If the original date was a non-existent gap in a forward DST jump, we | ||||
| 243 | # should now have the wrong answer - undo the DST adjustment | ||||
| 244 | my ( $s, $m, $h ) = localtime($loc_t); | ||||
| 245 | $loc_t -= $dst_off if $s != $_[0] || $m != $_[1] || $h != $_[2]; | ||||
| 246 | |||||
| 247 | return $loc_t + $subsec; | ||||
| 248 | } | ||||
| 249 | |||||
| 250 | sub timelocal_nocheck { | ||||
| 251 | local $Options{no_range_check} = 1; | ||||
| 252 | return &timelocal; | ||||
| 253 | } | ||||
| 254 | |||||
| 255 | sub timelocal_modern { | ||||
| 256 | local $Options{no_year_munging} = 1; | ||||
| 257 | return &timelocal; | ||||
| 258 | } | ||||
| 259 | |||||
| 260 | sub timelocal_posix { | ||||
| 261 | local $Options{posix_year} = 1; | ||||
| 262 | return &timelocal; | ||||
| 263 | } | ||||
| 264 | |||||
| 265 | 1 | 11µs | 1; | ||
| 266 | |||||
| 267 | # ABSTRACT: Efficiently compute time from local and GMT time | ||||
| 268 | |||||
| 269 | __END__ |