| Filename | /usr/lib/perl/5.10/IO/Compress/Gzip.pm |
| Statements | Executed 36 statements in 2.01ms |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 1 | 1 | 1 | 1.47ms | 9.27ms | IO::Compress::Gzip::BEGIN@11 |
| 1 | 1 | 1 | 1.41ms | 3.18ms | IO::Compress::Gzip::BEGIN@15 |
| 1 | 1 | 1 | 1.03ms | 1.47ms | IO::Compress::Gzip::BEGIN@16 |
| 1 | 1 | 1 | 23µs | 29µs | IO::Compress::Gzip::BEGIN@6 |
| 1 | 1 | 1 | 19µs | 291µs | IO::Compress::Gzip::BEGIN@13 |
| 1 | 1 | 1 | 15µs | 235µs | IO::Compress::Gzip::BEGIN@14 |
| 1 | 1 | 1 | 13µs | 32µs | IO::Compress::Gzip::BEGIN@7 |
| 1 | 1 | 1 | 10µs | 13µs | IO::Compress::Gzip::BEGIN@8 |
| 1 | 1 | 1 | 8µs | 8µs | IO::Compress::Gzip::BEGIN@19 |
| 0 | 0 | 0 | 0s | 0s | IO::Compress::Gzip::__ANON__[:23] |
| 0 | 0 | 0 | 0s | 0s | IO::Compress::Gzip::ckParams |
| 0 | 0 | 0 | 0s | 0s | IO::Compress::Gzip::getExtraParams |
| 0 | 0 | 0 | 0s | 0s | IO::Compress::Gzip::getFileInfo |
| 0 | 0 | 0 | 0s | 0s | IO::Compress::Gzip::getInverseClass |
| 0 | 0 | 0 | 0s | 0s | IO::Compress::Gzip::gzip |
| 0 | 0 | 0 | 0s | 0s | IO::Compress::Gzip::mkFinalTrailer |
| 0 | 0 | 0 | 0s | 0s | IO::Compress::Gzip::mkHeader |
| 0 | 0 | 0 | 0s | 0s | IO::Compress::Gzip::mkTrailer |
| 0 | 0 | 0 | 0s | 0s | IO::Compress::Gzip::new |
| Line | State ments |
Time on line |
Calls | Time in subs |
Code |
|---|---|---|---|---|---|
| 1 | |||||
| 2 | package IO::Compress::Gzip ; | ||||
| 3 | |||||
| 4 | 1 | 18µs | require 5.004 ; | ||
| 5 | |||||
| 6 | 3 | 31µs | 2 | 35µs | # spent 29µs (23+6) within IO::Compress::Gzip::BEGIN@6 which was called:
# once (23µs+6µs) by Compress::Zlib::BEGIN@13 at line 6 # spent 29µs making 1 call to IO::Compress::Gzip::BEGIN@6
# spent 6µs making 1 call to strict::import |
| 7 | 3 | 28µs | 2 | 51µs | # spent 32µs (13+19) within IO::Compress::Gzip::BEGIN@7 which was called:
# once (13µs+19µs) by Compress::Zlib::BEGIN@13 at line 7 # spent 32µs making 1 call to IO::Compress::Gzip::BEGIN@7
# spent 19µs making 1 call to warnings::import |
| 8 | 3 | 29µs | 2 | 16µs | # spent 13µs (10+3) within IO::Compress::Gzip::BEGIN@8 which was called:
# once (10µs+3µs) by Compress::Zlib::BEGIN@13 at line 8 # spent 13µs making 1 call to IO::Compress::Gzip::BEGIN@8
# spent 3µs making 1 call to bytes::import |
| 9 | |||||
| 10 | |||||
| 11 | 3 | 162µs | 3 | 9.32ms | # spent 9.27ms (1.47+7.80) within IO::Compress::Gzip::BEGIN@11 which was called:
# once (1.47ms+7.80ms) by Compress::Zlib::BEGIN@13 at line 11 # spent 9.27ms making 1 call to IO::Compress::Gzip::BEGIN@11
# spent 26µs making 1 call to Exporter::import
# spent 20µs making 1 call to UNIVERSAL::VERSION |
| 12 | |||||
| 13 | 3 | 62µs | 3 | 563µs | # spent 291µs (19+272) within IO::Compress::Gzip::BEGIN@13 which was called:
# once (19µs+272µs) by Compress::Zlib::BEGIN@13 at line 13 # spent 291µs making 1 call to IO::Compress::Gzip::BEGIN@13
# spent 258µs making 1 call to Exporter::import
# spent 14µs making 1 call to UNIVERSAL::VERSION |
| 14 | 3 | 75µs | 3 | 455µs | # spent 235µs (15+220) within IO::Compress::Gzip::BEGIN@14 which was called:
# once (15µs+220µs) by Compress::Zlib::BEGIN@13 at line 14 # spent 235µs making 1 call to IO::Compress::Gzip::BEGIN@14
# spent 206µs making 1 call to Exporter::import
# spent 14µs making 1 call to UNIVERSAL::VERSION |
| 15 | 3 | 188µs | 3 | 3.52ms | # spent 3.18ms (1.41+1.77) within IO::Compress::Gzip::BEGIN@15 which was called:
# once (1.41ms+1.77ms) by Compress::Zlib::BEGIN@13 at line 15 # spent 3.18ms making 1 call to IO::Compress::Gzip::BEGIN@15
# spent 330µs making 1 call to Exporter::import
# spent 19µs making 1 call to UNIVERSAL::VERSION |
| 16 | 3 | 203µs | 2 | 1.48ms | # spent 1.47ms (1.03+436µs) within IO::Compress::Gzip::BEGIN@16 which was called:
# once (1.03ms+436µs) by Compress::Zlib::BEGIN@13 at line 16 # spent 1.47ms making 1 call to IO::Compress::Gzip::BEGIN@16
# spent 10µs making 1 call to UNIVERSAL::VERSION |
| 17 | |||||
| 18 | BEGIN | ||||
| 19 | # spent 8µs within IO::Compress::Gzip::BEGIN@19 which was called:
# once (8µs+0s) by Compress::Zlib::BEGIN@13 at line 24 | ||||
| 20 | 1 | 8µs | if (defined &utf8::downgrade ) | ||
| 21 | { *noUTF8 = \&utf8::downgrade } | ||||
| 22 | else | ||||
| 23 | { *noUTF8 = sub {} } | ||||
| 24 | 1 | 1.16ms | 1 | 8µs | } # spent 8µs making 1 call to IO::Compress::Gzip::BEGIN@19 |
| 25 | |||||
| 26 | 1 | 600ns | require Exporter ; | ||
| 27 | |||||
| 28 | 1 | 1µs | our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, $GzipError); | ||
| 29 | |||||
| 30 | 1 | 500ns | $VERSION = '2.020'; | ||
| 31 | 1 | 300ns | $GzipError = '' ; | ||
| 32 | |||||
| 33 | 1 | 20µs | @ISA = qw(Exporter IO::Compress::RawDeflate); | ||
| 34 | 1 | 1µs | @EXPORT_OK = qw( $GzipError gzip ) ; | ||
| 35 | 1 | 5µs | %EXPORT_TAGS = %IO::Compress::RawDeflate::DEFLATE_CONSTANTS ; | ||
| 36 | 1 | 2µs | push @{ $EXPORT_TAGS{all} }, @EXPORT_OK ; | ||
| 37 | 1 | 4µs | 1 | 30µs | Exporter::export_ok_tags('all'); # spent 30µs making 1 call to Exporter::export_ok_tags |
| 38 | |||||
| 39 | sub new | ||||
| 40 | { | ||||
| 41 | my $class = shift ; | ||||
| 42 | |||||
| 43 | my $obj = createSelfTiedObject($class, \$GzipError); | ||||
| 44 | |||||
| 45 | $obj->_create(undef, @_); | ||||
| 46 | } | ||||
| 47 | |||||
| 48 | |||||
| 49 | sub gzip | ||||
| 50 | { | ||||
| 51 | my $obj = createSelfTiedObject(undef, \$GzipError); | ||||
| 52 | return $obj->_def(@_); | ||||
| 53 | } | ||||
| 54 | |||||
| 55 | #sub newHeader | ||||
| 56 | #{ | ||||
| 57 | # my $self = shift ; | ||||
| 58 | # #return GZIP_MINIMUM_HEADER ; | ||||
| 59 | # return $self->mkHeader(*$self->{Got}); | ||||
| 60 | #} | ||||
| 61 | |||||
| 62 | sub getExtraParams | ||||
| 63 | { | ||||
| 64 | my $self = shift ; | ||||
| 65 | |||||
| 66 | return ( | ||||
| 67 | # zlib behaviour | ||||
| 68 | $self->getZlibParams(), | ||||
| 69 | |||||
| 70 | # Gzip header fields | ||||
| 71 | 'Minimal' => [0, 1, Parse_boolean, 0], | ||||
| 72 | 'Comment' => [0, 1, Parse_any, undef], | ||||
| 73 | 'Name' => [0, 1, Parse_any, undef], | ||||
| 74 | 'Time' => [0, 1, Parse_any, undef], | ||||
| 75 | 'TextFlag' => [0, 1, Parse_boolean, 0], | ||||
| 76 | 'HeaderCRC' => [0, 1, Parse_boolean, 0], | ||||
| 77 | 'OS_Code' => [0, 1, Parse_unsigned, $Compress::Raw::Zlib::gzip_os_code], | ||||
| 78 | 'ExtraField'=> [0, 1, Parse_any, undef], | ||||
| 79 | 'ExtraFlags'=> [0, 1, Parse_any, undef], | ||||
| 80 | |||||
| 81 | ); | ||||
| 82 | } | ||||
| 83 | |||||
| 84 | |||||
| 85 | sub ckParams | ||||
| 86 | { | ||||
| 87 | my $self = shift ; | ||||
| 88 | my $got = shift ; | ||||
| 89 | |||||
| 90 | # gzip always needs crc32 | ||||
| 91 | $got->value('CRC32' => 1); | ||||
| 92 | |||||
| 93 | return 1 | ||||
| 94 | if $got->value('Merge') ; | ||||
| 95 | |||||
| 96 | my $strict = $got->value('Strict') ; | ||||
| 97 | |||||
| 98 | |||||
| 99 | { | ||||
| 100 | if (! $got->parsed('Time') ) { | ||||
| 101 | # Modification time defaults to now. | ||||
| 102 | $got->value('Time' => time) ; | ||||
| 103 | } | ||||
| 104 | |||||
| 105 | # Check that the Name & Comment don't have embedded NULLs | ||||
| 106 | # Also check that they only contain ISO 8859-1 chars. | ||||
| 107 | if ($got->parsed('Name') && defined $got->value('Name')) { | ||||
| 108 | my $name = $got->value('Name'); | ||||
| 109 | |||||
| 110 | return $self->saveErrorString(undef, "Null Character found in Name", | ||||
| 111 | Z_DATA_ERROR) | ||||
| 112 | if $strict && $name =~ /\x00/ ; | ||||
| 113 | |||||
| 114 | return $self->saveErrorString(undef, "Non ISO 8859-1 Character found in Name", | ||||
| 115 | Z_DATA_ERROR) | ||||
| 116 | if $strict && $name =~ /$GZIP_FNAME_INVALID_CHAR_RE/o ; | ||||
| 117 | } | ||||
| 118 | |||||
| 119 | if ($got->parsed('Comment') && defined $got->value('Comment')) { | ||||
| 120 | my $comment = $got->value('Comment'); | ||||
| 121 | |||||
| 122 | return $self->saveErrorString(undef, "Null Character found in Comment", | ||||
| 123 | Z_DATA_ERROR) | ||||
| 124 | if $strict && $comment =~ /\x00/ ; | ||||
| 125 | |||||
| 126 | return $self->saveErrorString(undef, "Non ISO 8859-1 Character found in Comment", | ||||
| 127 | Z_DATA_ERROR) | ||||
| 128 | if $strict && $comment =~ /$GZIP_FCOMMENT_INVALID_CHAR_RE/o; | ||||
| 129 | } | ||||
| 130 | |||||
| 131 | if ($got->parsed('OS_Code') ) { | ||||
| 132 | my $value = $got->value('OS_Code'); | ||||
| 133 | |||||
| 134 | return $self->saveErrorString(undef, "OS_Code must be between 0 and 255, got '$value'") | ||||
| 135 | if $value < 0 || $value > 255 ; | ||||
| 136 | |||||
| 137 | } | ||||
| 138 | |||||
| 139 | # gzip only supports Deflate at present | ||||
| 140 | $got->value('Method' => Z_DEFLATED) ; | ||||
| 141 | |||||
| 142 | if ( ! $got->parsed('ExtraFlags')) { | ||||
| 143 | $got->value('ExtraFlags' => 2) | ||||
| 144 | if $got->value('Level') == Z_BEST_SPEED ; | ||||
| 145 | $got->value('ExtraFlags' => 4) | ||||
| 146 | if $got->value('Level') == Z_BEST_COMPRESSION ; | ||||
| 147 | } | ||||
| 148 | |||||
| 149 | my $data = $got->value('ExtraField') ; | ||||
| 150 | if (defined $data) { | ||||
| 151 | my $bad = IO::Compress::Zlib::Extra::parseExtraField($data, $strict, 1) ; | ||||
| 152 | return $self->saveErrorString(undef, "Error with ExtraField Parameter: $bad", Z_DATA_ERROR) | ||||
| 153 | if $bad ; | ||||
| 154 | |||||
| 155 | $got->value('ExtraField', $data) ; | ||||
| 156 | } | ||||
| 157 | } | ||||
| 158 | |||||
| 159 | return 1; | ||||
| 160 | } | ||||
| 161 | |||||
| 162 | sub mkTrailer | ||||
| 163 | { | ||||
| 164 | my $self = shift ; | ||||
| 165 | return pack("V V", *$self->{Compress}->crc32(), | ||||
| 166 | *$self->{UnCompSize}->get32bit()); | ||||
| 167 | } | ||||
| 168 | |||||
| 169 | sub getInverseClass | ||||
| 170 | { | ||||
| 171 | return ('IO::Uncompress::Gunzip', | ||||
| 172 | \$IO::Uncompress::Gunzip::GunzipError); | ||||
| 173 | } | ||||
| 174 | |||||
| 175 | sub getFileInfo | ||||
| 176 | { | ||||
| 177 | my $self = shift ; | ||||
| 178 | my $params = shift; | ||||
| 179 | my $filename = shift ; | ||||
| 180 | |||||
| 181 | my $defaultTime = (stat($filename))[9] ; | ||||
| 182 | |||||
| 183 | $params->value('Name' => $filename) | ||||
| 184 | if ! $params->parsed('Name') ; | ||||
| 185 | |||||
| 186 | $params->value('Time' => $defaultTime) | ||||
| 187 | if ! $params->parsed('Time') ; | ||||
| 188 | } | ||||
| 189 | |||||
| 190 | |||||
| 191 | sub mkHeader | ||||
| 192 | { | ||||
| 193 | my $self = shift ; | ||||
| 194 | my $param = shift ; | ||||
| 195 | |||||
| 196 | # stort-circuit if a minimal header is requested. | ||||
| 197 | return GZIP_MINIMUM_HEADER if $param->value('Minimal') ; | ||||
| 198 | |||||
| 199 | # METHOD | ||||
| 200 | my $method = $param->valueOrDefault('Method', GZIP_CM_DEFLATED) ; | ||||
| 201 | |||||
| 202 | # FLAGS | ||||
| 203 | my $flags = GZIP_FLG_DEFAULT ; | ||||
| 204 | $flags |= GZIP_FLG_FTEXT if $param->value('TextFlag') ; | ||||
| 205 | $flags |= GZIP_FLG_FHCRC if $param->value('HeaderCRC') ; | ||||
| 206 | $flags |= GZIP_FLG_FEXTRA if $param->wantValue('ExtraField') ; | ||||
| 207 | $flags |= GZIP_FLG_FNAME if $param->wantValue('Name') ; | ||||
| 208 | $flags |= GZIP_FLG_FCOMMENT if $param->wantValue('Comment') ; | ||||
| 209 | |||||
| 210 | # MTIME | ||||
| 211 | my $time = $param->valueOrDefault('Time', GZIP_MTIME_DEFAULT) ; | ||||
| 212 | |||||
| 213 | # EXTRA FLAGS | ||||
| 214 | my $extra_flags = $param->valueOrDefault('ExtraFlags', GZIP_XFL_DEFAULT); | ||||
| 215 | |||||
| 216 | # OS CODE | ||||
| 217 | my $os_code = $param->valueOrDefault('OS_Code', GZIP_OS_DEFAULT) ; | ||||
| 218 | |||||
| 219 | |||||
| 220 | my $out = pack("C4 V C C", | ||||
| 221 | GZIP_ID1, # ID1 | ||||
| 222 | GZIP_ID2, # ID2 | ||||
| 223 | $method, # Compression Method | ||||
| 224 | $flags, # Flags | ||||
| 225 | $time, # Modification Time | ||||
| 226 | $extra_flags, # Extra Flags | ||||
| 227 | $os_code, # Operating System Code | ||||
| 228 | ) ; | ||||
| 229 | |||||
| 230 | # EXTRA | ||||
| 231 | if ($flags & GZIP_FLG_FEXTRA) { | ||||
| 232 | my $extra = $param->value('ExtraField') ; | ||||
| 233 | $out .= pack("v", length $extra) . $extra ; | ||||
| 234 | } | ||||
| 235 | |||||
| 236 | # NAME | ||||
| 237 | if ($flags & GZIP_FLG_FNAME) { | ||||
| 238 | my $name .= $param->value('Name') ; | ||||
| 239 | $name =~ s/\x00.*$//; | ||||
| 240 | $out .= $name ; | ||||
| 241 | # Terminate the filename with NULL unless it already is | ||||
| 242 | $out .= GZIP_NULL_BYTE | ||||
| 243 | if !length $name or | ||||
| 244 | substr($name, 1, -1) ne GZIP_NULL_BYTE ; | ||||
| 245 | } | ||||
| 246 | |||||
| 247 | # COMMENT | ||||
| 248 | if ($flags & GZIP_FLG_FCOMMENT) { | ||||
| 249 | my $comment .= $param->value('Comment') ; | ||||
| 250 | $comment =~ s/\x00.*$//; | ||||
| 251 | $out .= $comment ; | ||||
| 252 | # Terminate the comment with NULL unless it already is | ||||
| 253 | $out .= GZIP_NULL_BYTE | ||||
| 254 | if ! length $comment or | ||||
| 255 | substr($comment, 1, -1) ne GZIP_NULL_BYTE; | ||||
| 256 | } | ||||
| 257 | |||||
| 258 | # HEADER CRC | ||||
| 259 | $out .= pack("v", crc32($out) & 0x00FF ) if $param->value('HeaderCRC') ; | ||||
| 260 | |||||
| 261 | noUTF8($out); | ||||
| 262 | |||||
| 263 | return $out ; | ||||
| 264 | } | ||||
| 265 | |||||
| 266 | sub mkFinalTrailer | ||||
| 267 | { | ||||
| 268 | return ''; | ||||
| 269 | } | ||||
| 270 | |||||
| 271 | 1 | 12µs | 1; | ||
| 272 | |||||
| 273 | __END__ |