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=IIvHPH$LlLcxIL`;]j;H@Lt(AE %A=jEAM MeMn;j;L`jIT,HHD$dH3%(H[]A\A]A^A_f.i;LhiH@H@MlgfDiH@HD(H@HLx A;~iH@Ld(MAD$ u<t I$HHRH % =I$L` AF L$$u IL9bs;hLLH_hAF % =IvH$4fDuzI$ff.B(j_;ihHLHgH$Hf.;9hLHyeI%I$Hz r@HbIT$:0O@;g1tD;g1LHdAD$ f.;gLLHekfD;ygH H|1H5H=gH5LfKef.ATUSHa@ ;gL H HH1&h;Af;f;fHWwH5H(g;fE1LH HH5Hjg;fE1LH cHH5KH %d debug: bzfile_setparams query %s is %d debug: bzfile_setparams set %s (is %d) => %d debug: bzfile_streambuf_read( %p, %d ), buffer %p, sz=%d, len=%d, offset=%d bzfile_new verbosity out of rangedebug: bzfile_new(%d,%d,%d,%d) called %p Error: PerlIO_open( %s, %s ) failed: %s Info: PerlIO_open( %s, %s ) succeeded, obj=%p Error: invalid file mode for bzopen %sError: invalid file or handle for bzopenCompress::Bzip2::%s has odd parameter countdebug: bzfile_streambuf_write( %p, %d ), buffer %p, sz=%d, len=%d, offset=%d debug: bzfile_flush called, error_num=%d, open_status %d debug: bzfile_flush: call to BZ2_bzCompress with avail_in %d, next_in %p, avail_out %d, next_out %p, run_progress %d Error: bzfile_flush, BZ2_bzCompress error %d, strm is %p, strm.state is %p, in state %d debug: bzfile_flush BZ2_bzCompress, took in %d, put out %d bytes, ret %d Error: bzfile_flush io error %d '%s' debug: bzfile_flush: file write error %s debug: bzfile_flush: file write took in %d, put out %d Info: bzfile_flush ret %d, total written %ld Info: bzfile_closewrite called, abandon=%d, error_num=%d, open_status %d debug: bzfile_closewrite: call to BZ2_bzCompress with avail_in %d, next_in %p, avail_out %d, next_out %p, run_progress %d Warning: bzfile_closewrite BZ2_bzCompress error %d debug: bzfile_closewrite BZ2_bzCompress, took in %d, put out %d bytes, ret %d Error: bzfile_closewrite io error %d '%s' debug: bzfile_closewrite: file write error %s debug: bzfile_closewrite: file write took in %d, put out %d Info: bzfile_closewrite ret %d, total written %ld debug: bzstreamflush, bzfile_streambuf_collect returned %d bytes debug: bzstreamclose, bzfile_close returned %d, errno is %d %s debug: bzstreamclose, bzfile_streambuf_collect returned %d bytes Error: bzfile_read buf is NULL Error: bzfile_read n is negative %d debug: bzfile_read(obj, %p, %d) obj->open_status=%d Error: bzfile_read attempted on a writing stream debug: bzfile_read file read got %d bytes debug: bzfile_read got an unexpected EOF, run_progress=%d, avail_in=%d, avail_out=%d debug: bzfile_read got an unexpected EOF, run_progress=%d, set pending with %d bytes to go, avail_in=%d, avail_out=%d debug: bzfile_read got an EOF, run_progress=%d, set pending with %d bytes to go, avail_in=%d, avail_out=%d Error: bzfile_read: BZ2_bzDecompressInit error %d on %d, %d debug: bzfile_read BZ2_bzDecompress ret %d, run_progress=%d, avail_in=%d/%d, avail_out=%d/%d Error: bzfile_read, BZ2_bzDecompress error %d, strm is %p, strm.state is %p, in state %d bzreadline: buffer parameter is read-onlydebug: bzinflate, bzfile_read returned %d bytes bzread: buffer parameter is read-onlyError: bzfile_write buf is NULL Error: bzfile_write n is negative %d Error: bzfile_write attempted on a reading stream Error: bzfile_write: BZ2_bzCompressInit error %d on %d, %d, %d debug: bzfile_write: call to BZ2_bzCompress with avail_in %d, next_in %p, avail_out %d, next_out %p Error: bzfile_write, BZ2_bzCompress error %d, strm is %p, strm.state is %p, in state %d debug: bzfile_write: BZ2_bzCompress took in %d, put out %d Error: bzfile_write file write error %d '%s' debug: bzfile_write file write error pending %d '%s' Error: bzfile_write io error %d '%s' debug: bzfile_write: file write error %d '%s' debug: bzfile_write: file write took in %d, put out %d debug: bzdeflate collected %d, outbuf is now %ld Compress::Bzip2::bzdeflateInitCompress::Bzip2::compress_initCompress::Bzip2::bzinflateInitCompress::Bzip2::decompress_initCompress::Bzip2 needs bzlib version 1.x, not %s objCompress::Bzip2Compress::Bzip2::is_stream%s: %s is not of type %sCompress::Bzip2::is_readCompress::Bzip2::is_writeCompress::Bzip2::prefixerror_num, error_strCompress::Bzip2::bzerrnosvBZ_OKBZ_RUNBZ_FLUSH_OKBZ_IO_ERRORBZ_MEM_ERRORBZ_FINISH_OKBZ_STREAM_ENDBZ_DATA_ERRORBZ_MAX_UNUSEDBZ_PARAM_ERRORBZ_OUTBUFF_FULLBZ_CONFIG_ERRORBZ_UNEXPECTED_EOFBZ_SEQUENCE_ERRORBZ_DATA_ERROR_MAGICUnknown%s (%d): %d %s%s (%d)%s (%d): %s - %d %s%s (%d): %sdecompress: buffer is undefmemBunzip: buffer is undefmemBzip: buffer is undefsv, level = 6Compress::Bzip2::bzerrorCompress::Bzip2::bzeofCompress::Bzip2::total_inCompress::Bzip2::total_outCompress::Bzip2::bzclearerrverbositysmallblockSize100klevelworkFactorreadUncompressedobj, param, setting = -1Compress::Bzip2::bzsetparamsbzfile_new small out of rangebzinflateInitdecompress_initbzdeflateInitobj, flag=0Compress::Bzip2::bzflushobj, abandon=0Compress::Bzip2::bzcloseCompress::Bzip2::DESTROY%s: %s is not a referencedebug: DESTROY on %p obj, buf, len=4096Compress::Bzip2::bzreadlineobj, bufferCompress::Bzip2::bzinflateCompress::Bzip2::bzreadCompress::Bzip2::bzdeflateobj, buf, 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"0"@"P"`"p"""""""""## #0#@#P#`#p####GA$3a1((GA$3a1@VGA$3a1 GA$3a1() GA$3p864)GA$gcc 8.2.1 20180905 GA*GOW*EGA*GA+stack_clashGA*cf_protectionGA+GLIBCXX_ASSERTIONS GA*FORTIFYGA*GA! GA* GA!stack_realign GA$3h864(( GA$3h864((GA$3a1GA$3a1GA$3a1V[GA$3a1 Bzip2.so-2.26-6.el8.x86_64.debugq7zXZִF!t/Z]?Eh=ڊ2N ugmQoň4Kw\ݨ eHN+G&kX6(-+bӺ>M-qkI$}r>g*NݞToS:RMZ`9 =Y'jiIT@X4*Q/Io_Pa]eay3ZiS OmB2G ),Y.p98Hb<|_5ҧ^&W?ՖkgPe~i$xFVc ֐x'(M> H %ۣ݃QG2x)WxwM~1^wbS]h_z7#zYD-ih9|xsdaK!2L]>u[oy롁EVDaeh!qޑTc!puN"Wmp Zo8;bܔtU^v0M^1xnmXp6Nq$` <ïzԵ _+Fi{^_ 15B(c@s)0o ЬI1mA4=Ͳ_<'4҄85: \.7O\n[1{ϙ  lSI%DS*7 ۍ-pFE͉ثZA=eK#fOlFHc]~T/q%{ie 7BHC\B`=?,^ rkRxˢY0b8klNǞ;b{y>)ǡ׋OqQ/c=/̉}R9ɝTsN$ccJТ%‘l'KeDUE:TjВab@F=Dt3k Yml?kghl.jd[y Hb - 46YholhRc2Jtą  l~@=vL`fqJ! 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L)HLLH&IH8LHIEH!AF@LHKHZ_DATA_EH9SxRRORFHHZ_BEST_SH9'xPEEDAHZ_STREAMH9x_ENDHZ_SYNC_FH9xLUSHHZ_FULL_FH9xLUSHl8Z_TRfxEE8Z_ERxfxRNlF8Z_BL[fxOCO8Z_AS9fxCI-TLLH}IgDHLH~}H5M~ff.AWAVAUATIUSHHGxHOH/HPHWxHcBHH)HUoHHHL,HtH\$F &H}ID$HDHpF % =HHX ~LID$HL$HtHt8F ]1<) DH5L蹯IƋ@ %=IFHCILhHǃDDk 3)Cptƒ@"s A-H{)HS8HC0{AA~HC@(DAC8;)щ@ueu0HHH3Hǃ-H{H|HCC8)щfH{H0{;HCC8)щnHC(s H AH{(HǃHMIPƃH)HHIHBHHIHPIIVH@AF@L})LHHyDHHLzK "HL$ID$H\ID$HDI$H[]A\A]A^A_@I$B8VLLyAF %=:11LL#y*fD1LxLxHrE1HS(DLHI6HHVH)H|fLA*HH|xEHHC(HDLHC IH)HHBHh|fLA*HHxo@C ;HHDD%ALGEHLAEѾAD)A9wDf.)9v@EtG@tBA9r9DΉ)9rfDD)9vAHsI~SzYfDAѐDHDH 0@2HJHI9HBH9uDAuNjs ǃLvLLhyDmHuHyDs DHH}yDms H H 1H5!H=q xHH5wH=!1xDf.ATUSHHHCxHKH3HPHSxHcPHH)HHHcL$H@ HpF % =uVHHh H}FxHHtVvJVHHtkxHcxHCJD H[]A\fH3uHfDHyH5n vHb H5 1H=wfDATUSHHHCxHKH3HPHSxHcPHH)HHHcL$H@ HpF % =ufHHh H}vHHtVvZVHHt[wHHtJwHBwHCJD H[]A\ÐHtHfDHwH5N uHB H51H= fvfDAUATUSHLkHH F 8vHLHCC HZI4DH8D1ɃAuu^uHrufHHI qHLHrAL$ "HCLd(HCHD(HH[]A\A]A^A_ÐLHpAHC>HpIHCHcpAHC@HCpAHCH߈L$pL$nDLH HM1H5=H=&qrH5qDUL H1SH HH  HrHxH5 H߉'rHH5HrH*H5HqHľH5%HqHΦH5 HqHH5 HqHH5 HqH̺H5HqHFH5/HwqHH5AHaqHH5SHH@(AqHH5HH@(!qHH5+H qHH5HpHNH5HpHH5HpHRH5kHpHlH5HpHH5HpH H5HqpHJH53H[pHH5HEpHH5_H/pHhH5HpHґH5HpHH5 HnHH5 HnH"H5s HnHH5- HnHH5 HwnH~H5 HanH H5{HKnH|H5E H5nHH5HnHXH5!H nH"H5sHmHH5HmHVH5wHmHzH5a HmHJyH5 HmHwH5HmHvH5oHomHxtH5HYmHrH5HCmHLH5 H-mHH5HmHH5qHmHqH5;HlHoH5Hlm81u4HߺH5lHߺH7nHH[]gkH=1ylHH%s: %s is not of type %ss, bytes, modebuf, crc=crcInitial, offset=0buf, adler=adlerInitialEnabledDisabledDispStream %p- %s stream pointer is NULL stream %p zalloc %p zfree %p opaque %p state %p msg %s msg next_in %p => %02x next_out %p avail_in %lu avail_out %lu total_in %ld total_out %ld adler %ld bufsize %ld dictionary %p dict_adler 0x%ld zip_mode %d crc32 0x%x adler32 0x%x flags 0x%x APPEND %s CRC32 %s ADLER32 %s CONSUME %s LIMIT %s window %p s, message=NULL%s: %s is not a referenceadler1, adler2, len2crc1, crc2, len2s, bufinflateSyncs, buf, output, eof=FALSEinflates, output, f=Z_FINISHflushs, buf, outputdeflate1.2.11inf_ssvZ_RLEZ_NULLZ_FIXEOS_CODZ_ASCIZ_BLOCZ_ERRNZ_TREEDEF_WBITSZ_UNKNOWNMAX_WBITSZ_FILTEREDZ_DEFLATEDZ_NO_FLUSHZ_NEED_DICTZ_BUF_ERRORZ_MEM_ERRORZ_FULL_FLUSHZ_SYNC_FLUSHZ_STREAM_ENDZ_BEST_SPEEDZ_DATA_ERRORZLIB_VERSIONMAX_MEM_LEVELZ_STREAM_ERRORZ_HUFFMAN_ONLYZ_VERSION_ERRORZ_PARTIAL_FLUSHZ_NO_COMPRESSIONZ_BEST_COMPRESSIONZ_DEFAULT_STRATEGYZ_DEFAULT_COMPRESSION%s is not a valid Zlib macros, buf, out=NULL, eof=FALSEinflateScan2.081v5.26.0Zlib.cCompress::Raw::Zlib::constantCompress::Raw::Zlib::adler32Compress::Raw::Zlib::crc32Compress::Raw::Zlib::inflateScanStreamCompress::Raw::Zlib::inflateScanStream::adler32Compress::Raw::Zlib::inflateScanStream::crc32Compress::Raw::Zlib::inflateScanStream::getLastBufferOffsetCompress::Raw::Zlib::inflateScanStream::getLastBlockOffsetCompress::Raw::Zlib::inflateScanStream::uncompressedBytesCompress::Raw::Zlib::inflateScanStream::compressedBytesCompress::Raw::Zlib::inflateScanStream::inflateCountCompress::Raw::Zlib::inflateScanStream::getEndOffsetCompress::Raw::Zlib::inflateStreamCompress::Raw::Zlib::inflateStream::get_BufsizeCompress::Raw::Zlib::inflateStream::total_outCompress::Raw::Zlib::inflateStream::adler32Compress::Raw::Zlib::inflateStream::total_inCompress::Raw::Zlib::inflateStream::dict_adlerCompress::Raw::Zlib::inflateStream::crc32Compress::Raw::Zlib::inflateStream::statusCompress::Raw::Zlib::inflateStream::uncompressedBytesCompress::Raw::Zlib::inflateStream::compressedBytesCompress::Raw::Zlib::inflateStream::inflateCountCompress::Raw::Zlib::deflateStreamCompress::Raw::Zlib::deflateStream::total_outCompress::Raw::Zlib::deflateStream::total_inCompress::Raw::Zlib::deflateStream::uncompressedBytesCompress::Raw::Zlib::deflateStream::compressedBytesCompress::Raw::Zlib::deflateStream::adler32Compress::Raw::Zlib::deflateStream::dict_adlerCompress::Raw::Zlib::deflateStream::crc32Compress::Raw::Zlib::deflateStream::get_BufsizeCompress::Raw::Zlib::inflateScanStream::resetLastBlockByteCompress::Raw::Zlib::inflateStream::set_AppendCompress::Raw::Zlib::inflateStream::msgCompress::Raw::Zlib::deflateStream::msg%s: buffer parameter is not a SCALAR reference%s: buffer parameter is a reference to a referenceWide character in Compress::Raw::Zlib::crc32Offset out of range in Compress::Raw::Zlib::crc32Wide character in Compress::Raw::Zlib::adler32Compress::Raw::Zlib::inflateScanStream::DispStreamCompress::Raw::Zlib::inflateStream::DispStreamCompress::Raw::Zlib::deflateStream::DispStreamCompress::Raw::Zlib::inflateScanStream::DESTROY%s: buffer parameter is read-onlys, good_length, max_lazy, nice_length, max_chainCompress::Raw::Zlib::deflateStream::deflateTuneCompress::Raw::Zlib::deflateStream::statusCompress::Raw::Zlib::deflateStream::get_StrategyCompress::Raw::Zlib::deflateStream::get_LevelCompress::Raw::Zlib::inflateScanStream::statusCompress::Raw::Zlib::inflateStream::inflateSyncWide character in Compress::Raw::Zlib::Inflate::inflateSyncCompress::Raw::Zlib::inflateStream::inflateCompress::Raw::Zlib::Inflate::inflate input parameter cannot be read-only when ConsumeInput is specifiedWide character in Compress::Raw::Zlib::Inflate::inflate input parameterWide character in Compress::Raw::Zlib::Inflate::inflate output parameterCompress::Raw::Zlib::deflateStream::flushWide character in Compress::Raw::Zlib::Deflate::flush input parameterCompress::Raw::Zlib::deflateStream::deflateWide character in Compress::Raw::Zlib::Deflate::deflate input parameterWide character in Compress::Raw::Zlib::Deflate::deflate output parameterinf_s, flags, level, method, windowBits, memLevel, strategy, bufsizeCompress::Raw::Zlib::inflateScanStream::_createDeflateStreamflags, level, method, windowBits, memLevel, strategy, bufsize, dictionaryWide character in Compress::Raw::Zlib::Deflate::new dicrionary parameterCompress::Raw::Zlib::inflateScanStream::inflateResetCompress::Raw::Zlib::inflateStream::inflateResetCompress::Raw::Zlib::deflateStream::deflateResetflags, windowBits, bufsize, dictionaryYour vendor has not defined Zlib macro %s, usedCompress::Raw::Zlib::inflateScanStream::scanWide character in Compress::Raw::Zlib::InflateScan::scan input parameterCompress::Raw::Zlib::deflateStream::DESTROYCompress::Raw::Zlib::inflateStream::DESTROYs, flags, level, strategy, bufsizeCompress::Raw::Zlib::deflateStream::_deflateParamsCompress::Raw::Zlib::zlib_versionCompress::Raw::Zlib::ZLIB_VERNUMCompress::Raw::Zlib::zlibCompileFlagsCompress::Raw::Zlib::crc32_combineCompress::Raw::Zlib::adler32_combineCompress::Raw::Zlib::_deflateInitCompress::Raw::Zlib::_inflateInitCompress::Raw::Zlib::_inflateScanInitCompress::Raw::Zlib needs zlib version 1.x Compress::Raw::Zlib::gzip_os_code p`0`iC!}HXHHH3HHHHHHHHHHcneed dictionarystream endfile errorstream errordata errorinsufficient memorybuffer errorincompatible version?;LHKhOTTUxV WHhYZx\]8x_t`xbc(XedfHhi8kTl8no(qDrtuw4xpyx{h|$ }`  h Ȃ D x H  x\ ؎ 8  @ | 8  @ | X (PXp@Xh hD` XzRx $HFJ w?:*3$"DM\8Rp4R 80RoFBA A(G0 (A ABBC 8dSoFBA A(G0 (A ABBC 8TwFBA A(G0 (A ABBH 88UFBA A(G0 (A ABBG 8t0WwFBA A(G0 (A ABBH 8tXwFBA A(G0 (A ABBH 8YwFBA A(G0 (A ABBH 8(ZwFBA A(G0 (A ABBH 8d@\wFBA A(G0 (A ABBH 8]oFBA A(G0 (A ABBC 8^oFBA A(G0 (A ABBC 8_oFBA A(G0 (A ABBC 8T awFBA A(G0 (A ABBH 8dboFBA A(G0 (A ABBC 8cwFBA A(G0 (A ABBG 8dwFBA A(G0 (A ABBH 8D fwFBA A(G0 (A ABBH 8dgwFBA A(G0 (A ABBH 8hoFBA A(G0 (A ABBC 8ioFBA A(G0 (A ABBC 84kwFBA A(G0 (A ABBH 8pTlwFBA A(G0 (A ABBH 8moFBA A(G0 (A ABBC 8nwFBA A(G0 (A ABBH 8$poFBA A(G0 (A ABBC 8`DqwFBA A(G0 (A ABBH 8rFBA A(J0 (A ABBJ 8E6~ zuac I{ ĕcҳ2۾4eB>HE!t K{H=3ı.Iڌ96}%_T ~ "t?nA'ыm.nDrFP37BgZȶ{6ϏdH$U`[_6Qs'#K }HJ plIZ9H 0m~2WfX~BV'Ven- k&JVӞCEғ1c'po+5Gqt d+IO/E r6rb랊Qq*ccF<H1jņ񜪉Ɓ9r[0@ІI17go:">83cM3Wf@ H\bG9LEl$WŢCǩ X,#(Snnc є^g~f 9,sK]R"COy8Hq;۔CmxK]cP`5jn\LJ'A߶KI^\A0L֝k,zq d@ L]+>=(Ӆfj7YwKI KT4k1qAM.j1p|kzkB |d!s0SqH}ɮ@9c+)>n]oK&`N}Yq-Gi LnߑvwxK+ޱ{X{Zwj eHdyVf`u S3>)-wU`4= #0%>QQ=wrX=ۯ7.oZm*@k[L-X';&ͮx[f'a)Qʨ.\˽_&wn+k)+`^f3ߨq T3JHKIՈC+o>@URe.B zaP7MF2`cRV沇 W/ac>NHiEa+g#Ye#}T92:7 sR.̯u{1<҈+iY&VMusQ{lrY3F{UH eˬaD̠Raw/Bzip2/Bzip2.sonuȯELF>@x@8@HfHf 0l0l 0l  HlHl Hl $$(f(f(f Ptd0^0^0^QtdRtd0l0l 0l 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n n  n  n  n  n  n n n n n n o o o o  o (o 0o 8o @o Ho Po  Xo !`o "ho #po $xo %o &o 'o (o )o *o +o ,o -o /o 0o 1HH^ HtH5\ %\ hhhhhhhhqhah Qh Ah 1h !h hhhhhhhhhhqhahQhAh1h!hhhh h!h"h#h$h%h&h'qh(ah)Qh*Ah+1h,!%%Z D%Z D%Z D% Z D%Z D%Y D%Y D%Y D%Y D%Y D%Y D%Y D%Y D%Y D%Y D%Y D%Y D%Y D%Y D%Y D%Y D%}Y D%uY D%mY D%eY D%]Y D%UY D%MY D%EY D%=Y D%5Y D%-Y D%%Y D%Y D%Y D% Y D%Y D%X D%X D%X D%X D%X D%X D%X D%X DH=X HX H9tHX Ht H=X H5X H)HHH?HHtHX HtfD=uX u+UH=bX Ht H=T IdMX ]wAUATUSHHHGxHHPHWxHWHchHH)HHHG@#HHHGL,HcH4L$F H9H}HKHHpF % =uZHH@ HPpAE Jl!@ƃ@tXHxSIUAE LmLcL#H[]A\A]fHsHKDHSI2LHH 8H81H5<H=8HH58aAUATUSHHHGxHHPHWxHWHchHH)HHHG@#HHHGL,HcH4L$F H%8H HKHHpF % =uZHH@ HPhAE Jl!@ƃ@tXHxSIUAE LmLcL#H[]A\A]fHHKDHSI2LHUH \7H71H5;H=\7`HH5d7AUATUSHHHGxHHPHWxHWHchHH)HHHG@#HHHGL,HcH4L$F H6HHSHHpF % =uJHH@ AM Jl"P,%u[tRIUAM LmLcL#H[]A\A]ÐHHSDCHSIBLHH 5H#61H5l:H=5HH56AUATUSHHHGxHHPHWxHWHchHH)HHHG@#HHHGL,HcH4L$F HU5H=HSHHpF % =uJHH@ AM Jl"P%u[tRIUAM LmLcL#H[]A\A]ÐHCHSDHSIBLHH 4H41H549H=4HH541AUATUSHHHGxHHPHWxHWHchHH)HHHG@#HHHGL,HcH4L$F H3HHSHHpF % =uZHH@ p\AE Jl"Hcց@ǃ@tVxRIUAE LmLcL#H[]A\A]ÐHHSDsHSI2LH%H ,3HS31H57H=,30HH543AUATUSHHHGxHHPHWxHWHchHH)HHHG@#HHHGL,HcH4L$F H2HmHKHHpF % =uZHH@ HP`AE Jl!@ƃ@tXHxSIUAE LmLcL#H[]A\A]fHcHKDHSI2LHH 1H11H56H=1HH51QAUATUSHHHGxHHPHWxHWHchHH)HHHG@#HHHGL,HcH4L$F HE1HHKHHpF % =uZHH@ HPpAE Jl!@ƃ@tXHxSIUAE LmLcL#H[]A\A]fHHKDHSI2LHEH |0Hs01H5T5H=L0PHH5T0AUATUSHHHGxHHPHWxHWHchHH)HHHG@#HHHGL,HcH4L$F H/HHKHHpF % =uZHH@ HPhAE Jl!@ƃ@tXHxSIUAE LmLcL#H[]A\A]fHHKD#HSI2LHH /H/1H5 4H=.HH5.qAUATUSHHHGxHHPHWxHWHchHH)HHHG@#HHHGL,HcH4L$F He.HHSHHpF % =uJHH@ AM Jl"P,%u[tRIUAM LmLcL#H[]A\A]ÐH#HSDHSIBLHuH -H-1H52H=|-HH5-AUATUSHHHGxHHPHWxHWHchHH)HHHG@#HHHGL,HcH4L$F H-HHSHHpF % =uJHH@ AM Jl"P%u[tRIUAM LmLcL#H[]A\A]ÐHHSDcHSIBLHH L,HC,1H51H=, HH5$,ATUSHHHCxHKH3HPHSxHcPHH)HHHcH,H@ tOHpF % =u*HL` I|$LHCHD(H[]A\úHIHu+H501H=|+RH5Y+fDAUATUSHHHGxHHPHWxHWHchHH)HHuyHG@#tRHPHGL$LHHcHHCLlAD$@u/MeHCHHH[]A\A]DIfDLHHH5+ff.HIH ATUHSH8HIċC u{t"H[C uXЃ }ugu<t %= uH[]A\LH5v*1[L]HA\0HL5C HL%C rHH=/1HH=Z/1f.AUIATUSHHdH%(HD$1HIG 8RHŋC AE1u<t AtVH[C $u$ A E1 uA<EutC %9=uMHL$dH3 %(HH[]A\A]H H9tLH=.1oHHH H(HHn@HHZE17HHeC DHHMC LH=-1LH=}-1@f.AWAVAUATUSHHHHHKH3dH%(HD$81HCxHPHSxHcBHH)HHHHL4L,Jt1Nd1Lt$F 2H'HHCJD0HpF % =&HLx H56'LAoXlHD$A HD$@ HL$HHRHT$( t.HB8u!Lt$HLAF % =Ht$HHPHFHT$0IGH5~&LAWI@ H@8LHD$usH=-fLt$HT$(HLFL@ '% =UHt$HT$01HHT$0LD$Au IEH@AG(IUHBH@D$1D$IG`MwDd$AWXt!L@AuTAG(A3uIELHHPHTDd$Ao(LDl$HIG AtAG\H߉D$DL$fHHHA*DL$H.D)HcHHHHM "HL$HCHlHCHDHHD$8dH3%(VHH[]A\A]A^A_LrDt$AtDHPH)ʉH9|AVH9'AG(D$fDAWAG\L$Dd$A)A)HD$0IGhH)Mg`MgpIGhAE IU%_DAE IG`HBIEIU|$H@ AE@"At6HL$AWH HQH|$HHWH@G@HDL$DL$fHHHA*LDL$EcHW#pfHIDIEAIG IEDpDt$DEw(SHD$IwDL$Hx DL$=BT5LHIEH@g1ɺLHDL$DL$LHDL$?DL$HHDL$%DL$H !H!1H5,(H=!H5"lH=0(1H=(1AG(AW@f.AUH1ATUHH5!SHHHtHH5!1 HLHSH5!1HSP1H5!HS81H5!wHS1H5!`H{tEH5!1FHkL%!LmUL1HL9u HS 1H5!H{ tHH5l!1Hk L%Y!Lmf.UL1HI9u L%x H-i |S1H5&!vS(1H5*!`SX1H5.!JS1H52!4S1H55!S,1H58!S01H5;!H5F!1LHEH5?!1LHEH5;!1LHEH57!1H []A\A]bfHH=f[]A\A]zf.AUATUSHHHGxH/HPHWxHWHcD`HH)HE McJ4N,F HN9HCJHpF % =uvHL` 1~#HCJD(P t7 uaHpL}HCJD(HH[]A\A]fDtĉс ufHI|H1HHH H1H5$H=HH5@AUATUSHHHGxH/HPHWxHWHcD`HH)HE McJ4N,F HHCJHpF % =uvHL` 1~#HCJD(P t7 uaHpLHCJD(HH[]A\A]fDtĉс ufHI|H1HHH OHF1H5#H=#HH5\@AWAVAUIHATUSH(IExIMIuHPIUxHcBHH)HHHHHH,HtH\$F [HLbDIEHDHpF % =HHX CH5HDcXI@ t%I@8uLLIH@IWD$ HS ILrA)HCHD$DDs(H|$tJxFC(|$ B,7uIDLLEHPODc(HЉl$ HC A,EK\+C(HChLL$ _L$ fLHH*L$ HHLWK "Ht$IEH\0IEHD0IEH([]A\A]A^A_fDH@IAG %_DAG I+k(HpAG@ubLL$ %LHHL$ H#)HcHHHf.LHLLL$ lL$ H OHF1H5H=#H5oH= f.AWAVAUIHATUSH(IExIMIuHPIUxHcBHH)HHHHHH,HtH\$F [HLRDIEHDHpF % =HHX CH5HDcXI@ t%I@8uLLIH@IWD$ HS ILrA)HCHD$DDs(H|$tJxFC(|$ B,7uIDLLEHP?Dc(HЉl$ HC A,EK\+C(HChLL$ OL$ fLHH*L$ HHLGK "Ht$IEH\0IEHD0IEH([]A\A]A^A_fDH@IAG %_DAG I+k(HpAG@ubLL$ "LHHL$ H )HcHHHf.LHLLL$ \L$ H ?H61H5H=H5_H=f.AWAVAUATUHHSH8HMHudH%(HD$(1HExHPHUxHcBHH)HHHHL<L,Jt9J\9L|$F GHuH-0HEJD8HpF % =5HLp LH5EfXIŋ@ t)HB8uLHAE % =IEHPIEHT$ IFH5RHAVI@ t%H@8uLH7IAbH@INHL$IWD$ IV ILj1A)En(DfH|$1ƒaAF(L$ B)ANt=uIDLHEHPEf(HЉ\$ IF AEDAV\)HD$ INhIFpRAG %_DAG IA+^(HpAG@]HHHH`HHHHK "H|$HEH\8HEHD8HEHD$(dH3%(HH8[]A\A]A^A_DH@IHCIHT$ 1LH&HT$ @ANHD$ AV\HIFpA+^(T$ H)I^hIFpT$ fHHH*T$ u2H fDH`fHHH@)HcHLHJH .H%1H5FH=H5:H=G1H=ATUSHHHCxHKH3HPHSxHcPHH)HHHcH,H@ tOHpF % =u*HL` I|$LHCHD(H[]A\úHIH5H51H=<H5fDHxrHxHHHHH@p1H)xHHHDf.AWAVIAUATUSHHGxHHOHPHHWxHcPHH)HEHcHH)HcH4L<F <E1 IFJt8F % =WH@ D$IFJt8F % =@H@ D$ 7IFJt8F % =iH@ $ IFJt8 F % =#HDh IFJt8(F % =H@ D$8IHtK$HxD,ŅT$1L$ IGX@t$ƒE‰ƒEALLLLHIIF H)HLkIFLc@"<ujM&H[]A\A]A^A_% =u4LfLE1$D$ D$D$1LvI fDHcLLHbfL*HH\HuHLK "IF L)HI\$I+DLLD$fLD$ f.LD$f.LAL{$HT)HcHHLE1eHH޹LmH!DE1$D$ D$tLLL-IHH5s&E1$D$2E1D$"D$fAWIAVAUATUSHHGxHHOHPHHWxHcPHH)HEsHcHH)HcH4L,F <{E1 dtIGJt(F % =H@ D$ IGJt(F % =H@ D$IGJt(F % = H@ D$IGJt( F % =HDh IHt4L$t$HxDUŅT$ 1IFX@ALLLLHIIG H)HLkIGLc@"<uoM'H[]A\A]A^A_D% =u4LfD$E1D$D$ 1LVIJfDHcLLHBfL*HH@HBZ_FINISH9.DHH= 1?HHI$L#HD$dH3%(H[]A\A]A^@HHH$h#HSI'HERROR_MAH3HHBZ_DATA_H3H \fxGIPxCI?HC Il$H)HH8HEAE MuAE LeLmfD8BZ_OxK8BZ_RfxUNE1hHBZ_FLUSHH9,PHcKrHBZ_RUN_OH9_A@PFCI:HBZ_IO_ERH9'fxROx RI DPMkNHBZ_FINISH9xH_OKAP NsOHBZ_DATA_H9xERROx RIq4@HBZ_PARAMH9Ux_ERRHfx ORI5PFGHBZ_CONFIH9xG_ERfx ROxRIP DEHNCE_ERROH3HHBZ_SEQUEH3H xRIHHBZ_OUTBUH9mxFF_F`fx ULTxLICfDHBZ_STREAH9%xM_ENx DAHBZ_FLUSHH9fx_Ox KA@HECTED_EOH3HHBZ_UNEXPH3H xFIVfDHBZ_MEM_EH9uxRRORIa$@LLHZDHHHMHHH5eAHH=11UL,H1SH %HH# HHH5 H߉GHH5 H1HH5HHTH5HH~H5w HHH5 HHH5\HHH5 HHH5HHH5HHH5HkHH5mHUHH5/H?HXH5H)HbH5SHHH5HHH5wHH@H5yHHH5;HHTH5HHH5HHHH5yHy$81uHH[] H= H19HHCompress::Raw::Bunzip2%s: %s is not of type %sCompress::Raw::Bzip2%s: %s is not a references, buf, outputbzinflateEnabledDisabledDispStream 0x%p - %s stream pointer is NULL stream 0x%p opaque 0x%p state 0x%p next_in 0x%p => %02x next_out 0x%p avail_in %lu avail_out %lu bufsize %lu total_in_lo32 %u total_in_hi32 %u total_out_lo32 %u total_out_hi32 %u flags 0x%x APPEND %s CONSUME %s LIMIT %s s, message=NULLs, outputCompress::Raw::Bzip2::bzflushCompress::Raw::Bzip2::bzclosedeflateCompress::Raw::Bzip2::DESTROYsvBZ_OKBZ_RUNBZ_FLUSH_OKBZ_IO_ERRORBZ_MEM_ERRORBZ_FINISH_OKBZ_STREAM_ENDBZ_DATA_ERRORBZ_PARAM_ERRORBZ_OUTBUFF_FULLBZ_CONFIG_ERRORBZ_UNEXPECTED_EOFBZ_SEQUENCE_ERRORBZ_DATA_ERROR_MAGIC%s is not a valid Bzip2 macrobz_internal_error %d 2.081v5.26.0Bzip2.cCompress::Raw::Bzip2::newCompress::Raw::Bunzip2::newCompress::Raw::Bunzip2::uncompressedBytesCompress::Raw::Bunzip2::compressedBytesCompress::Raw::Bunzip2::total_out_lo32Compress::Raw::Bunzip2::total_in_lo32Compress::Raw::Bunzip2::statusCompress::Raw::Bunzip2::inflateCountCompress::Raw::Bzip2::uncompressedBytesCompress::Raw::Bzip2::compressedBytesCompress::Raw::Bzip2::total_out_lo32Compress::Raw::Bzip2::total_in_lo32Compress::Raw::Bunzip2::DESTROY%s: buffer parameter is not a SCALAR reference%s: buffer parameter is a reference to a reference%s: buffer parameter is read-onlyCompress::Raw::Bunzip2::bzinflateCompress::Raw::Bunzip2::bzinflate input parameter cannot be read-only when ConsumeInput is specifiedWide character in Compress::Raw::Bunzip2::bzinflate input parameterWide character in Compress::Raw::Bunzip2::bzinflate output parameterCompress::Raw::Bunzip2::DispStreamCompress::Raw::Bzip2::DispStreamWide character in Compress::Raw::Bzip2::bzflush input parameterWide character in Compress::Raw::Bzip2::bzclose input parameterCompress::Raw::Bzip2::bzdeflateWide character in Compress::Raw::Bzip2::bzdeflate input parameterWide character in Compress::Raw::Bzip2::bzdeflate output parameterclassName, appendOut=1, consume=1, small=0, verbosity=0, limitOutput=0className, appendOut=1, blockSize100k=1, workfactor=0, verbosity=0Compress::Raw::Bzip2::constantCompress::Raw::Bzip2::bzlibversionCompress::Raw::Bzip2 needs bzip2 version 1.x, you have %s pp p@ppEnd of StreamFinish OKFlush OKRun OKSequence ErrorParam ErrorMemory ErrorData ErrorMagic ErrorIO ErrorUnexpected EOFOutput Buffer FullConfig Error?@;0@X @H 8`t`@X @0`l@  pl0PzRx $FJ w?:*3$"Dȴ8\@oFBA A(G0 (A ABBC 8toFBA A(G0 (A ABBC 8_FBA A(G0 (A ABBB 8̻_FBA A(G0 (A ABBB 8LoFBA A(G0 (A ABBB 8$oFBA A(G0 (A ABBC 8XoFBA A(G0 (A ABBC 8oFBA A(G0 (A ABBC 8<_FBA A(G0 (A ABBB 8x_FBA A(G0 (A ABBB ,FAA  ABA 8FBA A(G0{ (A ABBF 8 <IAD W ABH R DEE 8\BEA A(G@ (A ABBD LFBB B(A0A8Jz 8A0A(B BBBD HTBGA K(L0m (F ABBG D(H ABB84\FBA A(G0 (A ABBG 8p\FBA A(G0 (A ABBG HFBB H(A0A8D` 8A0A(B BBBG HFBB H(A0A8D` 8A0A(B BBBG HDFBB B(A0G8Dp 8A0A(B BBBF ,lFAA  ABA  AD|HD^FBE B(A0A8DP 8A0A(B BBBA H$XFEB B(A0A8DP 8A0A(B BBBF @pFBB A(A0G@ 0A(A BBBE xJ(GEMZ  FAE GNU@l U @ Q0l 8l o(`  Xn 8 H  oo oox oHl p 0@P`p 0@P`p 0GA$3a1GA$3a1@VGA$3a1QQGA$3a1 GA$3p864QGA$gcc 8.2.1 20180905 GA*GOW*EGA*GA+stack_clashGA*cf_protectionGA+GLIBCXX_ASSERTIONS GA*FORTIFYGA*GA! GA* GA!stack_realign GA$3h864 GA$3h864GA$3a1QQGA$3a1QQGA$3a1V[GA$3a1QQBzip2.so-2.081-1.el8.x86_64.debug; 7zXZִF!t/'I]?Eh=ڊ2N8'uX^:&% 7ɓJN's8CϮ6ЉD$Ӽlȫj}SU֝KM^n&_U vѭG9/Un| cC(]o"E%~ޭ|g9:D.}f2|?3TM@^aA:No} [ qw( BZ_CONFIG_ERROR BZ_DATA_ERROR BZ_DATA_ERROR_MAGIC BZ_FINISH BZ_FINISH_OK BZ_FLUSH BZ_FLUSH_OK BZ_IO_ERROR BZ_MAX_UNUSED BZ_MEM_ERROR BZ_OK BZ_OUTBUFF_FULL BZ_PARAM_ERROR BZ_RUN BZ_RUN_OK BZ_SEQUENCE_ERROR BZ_STREAM_END BZ_UNEXPECTED_EOF ) ], 'utilities' => [ qw( &bzopen &bzinflateInit &bzdeflateInit &memBzip &memBunzip &compress &decompress &bzip2 &bunzip2 &bzlibversion $bzerrno ) ], 'bzip1' => [ qw( &compress &decompress &compress_init &decompress_init &version ) ], 'gzip' => [ qw( &gzopen &inflateInit &deflateInit &compress &uncompress &adler32 &crc32 ZLIB_VERSION $gzerrno Z_OK Z_STREAM_END Z_NEED_DICT Z_ERRNO Z_STREAM_ERROR Z_DATA_ERROR Z_MEM_ERROR Z_BUF_ERROR Z_VERSION_ERROR Z_NO_FLUSH Z_PARTIAL_FLUSH Z_SYNC_FLUSH Z_FULL_FLUSH Z_FINISH Z_BLOCK Z_NO_COMPRESSION Z_BEST_SPEED Z_BEST_COMPRESSION Z_DEFAULT_COMPRESSION Z_FILTERED Z_HUFFMAN_ONLY Z_RLE Z_DEFAULT_STRATEGY Z_BINARY Z_ASCII Z_UNKNOWN Z_DEFLATED Z_NULL ) ], ); our @EXPORT_OK = ( @{ $EXPORT_TAGS{'utilities'} }, @{ $EXPORT_TAGS{'constants'} }, @{ $EXPORT_TAGS{'bzip1'} }, @{ $EXPORT_TAGS{'gzip'} }, ); $EXPORT_TAGS{'all'} = [ @EXPORT_OK ]; our @EXPORT = ( @{ $EXPORT_TAGS{'utilities'} }, @{ $EXPORT_TAGS{'constants'} } ); our $bzerrno = ""; our $gzerrno; *gzerrno = \$bzerrno; # Zlib compatibility ## use constant ZLIB_VERSION => '1.x'; # allowed flush values use constant { Z_NO_FLUSH => 0, Z_PARTIAL_FLUSH => 1, Z_SYNC_FLUSH => 2, Z_FULL_FLUSH => 3, Z_FINISH => 4, Z_BLOCK => 5 }; # return codes for functions, positive normal, negative error use constant { Z_OK => 0, Z_STREAM_END => 1, Z_NEED_DICT => 2, Z_ERRNO => -1, Z_STREAM_ERROR => -2, Z_DATA_ERROR => -3, Z_MEM_ERROR => -4, Z_BUF_ERROR => -5, Z_VERSION_ERROR => -6 }; # compression levels use constant { Z_NO_COMPRESSION => 0, Z_BEST_SPEED => 1, Z_BEST_COMPRESSION => 9, Z_DEFAULT_COMPRESSION => -1 }; # compression strategy, for deflateInit use constant { Z_FILTERED => 1, Z_HUFFMAN_ONLY => 2, Z_RLE => 3, Z_DEFAULT_STRATEGY => 0 }; # possible values of data_type (inflate) use constant { Z_BINARY => 0, Z_ASCII => 1, Z_UNKNOWN => 2 }; # the deflate compression method use constant Z_DEFLATED => 8; # for initialization use constant Z_NULL => 0; ## gzopen, $gzerror, gzerror, gzclose, gzreadline, gzwrite sub AUTOLOAD { # This AUTOLOAD is used to 'autoload' constants from the constant() # XS function. my $constname; our $AUTOLOAD; ($constname = $AUTOLOAD) =~ s/.*:://; croak "&Compress::Bzip2::constant not defined" if $constname eq 'constant'; my ($error, $val) = constant($constname); if ($error) { croak $error; } { no strict 'refs'; # Fixed between 5.005_53 and 5.005_61 #XXX if ($] >= 5.00561) { #XXX *$AUTOLOAD = sub () { $val }; #XXX } #XXX else { *$AUTOLOAD = sub { $val }; #XXX } } goto &$AUTOLOAD; } require XSLoader; XSLoader::load('Compress::Bzip2', $VERSION); #bootstrap Compress::Bzip2 $VERSION; ############################################################################## ## file compress uncompress commands sub _writefileopen ( $$;$ ) { ## open a protected file for write my ( $handle, $filename, $force ) = @_; if ( sysopen($handle, $filename, $force ? O_WRONLY|O_CREAT|O_TRUNC : O_WRONLY|O_CREAT|O_EXCL, S_IWUSR|S_IRUSR) ) { $_[0] = $handle if !defined($_[0]); return $handle; } return undef; } sub _stat_snapshot ( $ ) { my ( $filename ) = @_; return undef if !defined($filename); my @stats = stat $filename; if (!@stats) { warn "stat of $filename failed: $!\n" if !@stats; return undef; } return \@stats; } sub _check_stat ( $$;$ ) { my ( $filename, $statsnap, $force ) = @_; if ( !defined($statsnap) || (ref($statsnap) eq 'ARRAY' && @$statsnap == 0) ) { $statsnap = _stat_snapshot( $filename ); if ( $statsnap ) { if ( @_>1 ) { if ( !defined($_[1]) ) { $_[1] = $statsnap; } elsif ( ref($_[1]) eq 'ARRAY' && @{ $_[1] } == 0 ) { @{ $_[1] } = @$statsnap; } } } else { return undef; } } if ( S_ISDIR( $statsnap->[2] ) ) { bz_seterror( &BZ_IO_ERROR, "file $filename is a directory" ); return 0; } if ( !S_ISREG( $statsnap->[2] ) ) { bz_seterror( &BZ_IO_ERROR, "file $filename is not a normal file" ); return 0; } if ( !$force && S_ISLNK( $statsnap->[2] ) ) { bz_seterror( &BZ_IO_ERROR, "file $filename is a symlink" ); return 0; } if ( !$force && $statsnap->[3] > 1 ) { bz_seterror( &BZ_IO_ERROR, "file $filename has too many hard links" ); return 0; } return 1; } sub _set_stat_from_snapshot ( $$ ) { my ( $filename, $statsnap ) = @_; if ( !chmod( S_IMODE( $statsnap->[2] ), $filename ) ) { bz_seterror( &BZ_IO_ERROR, "chmod ".sprintf('%03o', S_IMODE( $statsnap->[2] ))." $filename failed: $!" ); return undef; } if ( !utime @$statsnap[8,9], $filename ) { bz_seterror( &BZ_IO_ERROR, "utime " . join(' ',map { strftime('%Y-%m-%d %H:%M:%S', localtime $_) } @$statsnap[8,9] ) . " $filename failed: $!" ); return undef; } if ( !chown @$statsnap[4,5], $filename ) { bz_seterror( &BZ_IO_ERROR, "chown " . join(':', ( getpwuid($statsnap->[4]) )[0], ( getgrgid($statsnap->[5]) )[0]) . " $filename failed: $!" ); return 0; } return 1; } sub bzip2 ( @ ) { return _process_files( 'bzip2', 'cfvks123456789', @_ ); } sub bunzip2 ( @ ) { return _process_files( 'bunzip2', 'cdzfks123456789', @_ ); } sub bzcat ( @ ) { return _process_files( 'bzcat', 'cdzfks123456789', @_ ); } sub _process_files ( @ ) { my $command = shift; my $opts = shift; local @ARGV = @_; my %opts; return undef if !getopt( $opts, \%opts ); # c compress or decompress to stdout # d decompress # z compress # f force # v verbose # k keep # s small # 123456789 $opts{c} = 1 if $command eq 'bzcat'; $opts{d} = 1 if $command eq 'bunzip2' || $command eq 'bzcat'; $opts{z} = 1 if $command eq 'bzip2'; my $read_from_stdin; my ( $in, $bzin ); my ( $out, $bzout ); if ( !@ARGV ) { $read_from_stdin = 1; $opts{c} = 1; if ( !open( $in, "<&STDIN" ) ) { die "Error: failed to input from STDIN: '$!'\n"; } $bzin = bzopen( $in, "r" ); } if ( $opts{c} ) { if ( !open( $out, ">&STDOUT" ) ) { die "Error: failed to output to STDOUT: '$!'\n"; } $bzout = bzopen( $out, "w" ); } if ( !$opts{d} && !$opts{z} ) { die "Error: neither compress nor decompress was indicated.\n"; } my $doneflag = 0; while ( !$doneflag ) { my $infile; my $outfile; my @statbuf; if ( !$read_from_stdin ) { $infile = shift @ARGV; if ( ! -r $infile ) { print STDERR "Error: file $infile is not readable\n"; next; } @statbuf = stat _; if ( !@statbuf ) { print STDERR "Error: failed to stat $infile: '$!'\n"; next; } if ( !_check_stat( $infile, \@statbuf, $opts{f} ) ) { print STDERR "Error: file $infile stat check fails: $bzerrno\n"; next; } } my $outfile_exists; if ( !$opts{c} ) { undef $out; if ( $opts{d} ) { $outfile = $infile . '.bz2'; } elsif ( $opts{z} ) { $outfile = $infile =~ /\.bz2$/ ? substr($infile,0,-4) : $infile.'.out'; } $outfile_exists = -e $outfile; if ( !_writefileopen( $out, $outfile, $opts{f} ) ) { print STDERR "Error: failed to open $outfile for write: '$!'\n"; next; } } if ( !$read_from_stdin ) { undef $in; if ( !open( $in, $infile ) ) { print STDERR "Error: unable to open $infile: '$!'\n"; unlink( $outfile ) if !$outfile_exists; next; } } if ( $opts{d} ) { $bzin = bzopen( $in, "r" ) if !$read_from_stdin; my $buf; my $notdone = 1; while ( $notdone ) { my $ln = bzread( $in, $buf, 1024 ); if ( $ln > 0 ) { syswrite( $out, $buf, $ln ); } elsif ( $ln == 0 ) { undef $notdone; } else { } } close($out); if ( !$read_from_stdin ) { bzclose($in); unlink( $infile ) if !$opts{k}; _set_stat_from_snapshot( $outfile, \@statbuf ); } } elsif ( $opts{z} ) { $bzout = bzopen( $out, "w" ) if !$opts{c}; my $buf; my $notdone = 1; while ( $notdone ) { my $ln = sysread( $in, $buf, 1024 ); if ( $ln > 0 ) { bzwrite( $bzout, $buf, $ln ); } elsif ( $ln == 0 ) { undef $notdone; } else { } } close($in); if ( !$opts{c} ) { bzclose($bzout); unlink( $infile ) if !$opts{k}; _set_stat_from_snapshot( $outfile, \@statbuf ); } } } } ############################################################################## ############################################################################## ## compatibility with Compress::Bzip2 1.03 sub add ( $$ ) { my ( $obj, $buffer ) = @_; my @res = $obj->is_write ? $obj->bzdeflate( $buffer ) : $obj->bzinflate( $buffer ); return $res[0]; } sub finish ( $;$ ) { my ( $obj, $buffer ) = @_; my ( @res, $out ); if ( defined($buffer) ) { @res = $obj->is_write ? $obj->bzdeflate( $buffer ) : $obj->bzinflate( $buffer ); return undef if $res[1] != &BZ_OK; $out = $res[0]; } $out = '' if !defined($out); @res = $obj->bzclose; return undef if $res[1] != &BZ_OK; return $out.$res[0]; } sub input_size ( $ ) { my ( $obj ) = @_; return $obj->total_in; } sub output_size ( $ ) { my ( $obj ) = @_; return $obj->total_out; } sub version ( ) { return bzlibversion(); } sub error ( $ ) { return $_[0]->bzerror; } ############################################################################## ############################################################################## ## THE Compress::Zlib compatibility section sub _bzerror2gzerror { my ( $bz_error_num ) = @_; my $gz_error_num = $bz_error_num == &BZ_OK ? Z_OK : $bz_error_num == &BZ_RUN_OK ? Z_OK : $bz_error_num == &BZ_FLUSH_OK ? Z_STREAM_END : $bz_error_num == &BZ_FINISH_OK ? Z_STREAM_END : $bz_error_num == &BZ_STREAM_END ? Z_STREAM_END : $bz_error_num == &BZ_SEQUENCE_ERROR ? Z_VERSION_ERROR : $bz_error_num == &BZ_PARAM_ERROR ? Z_ERRNO : $bz_error_num == &BZ_MEM_ERROR ? Z_MEM_ERROR : $bz_error_num == &BZ_DATA_ERROR ? Z_DATA_ERROR : $bz_error_num == &BZ_DATA_ERROR_MAGIC ? Z_DATA_ERROR : $bz_error_num == &BZ_IO_ERROR ? Z_ERRNO : $bz_error_num == &BZ_UNEXPECTED_EOF ? Z_STREAM_ERROR : $bz_error_num == &BZ_OUTBUFF_FULL ? Z_BUF_ERROR : $bz_error_num == &BZ_CONFIG_ERROR ? Z_VERSION_ERROR : Z_VERSION_ERROR ; return $gz_error_num; } sub gzopen ( $$ ) { goto &bzopen; } sub gzread ( $$;$ ) { goto &bzread; } sub gzreadline ( $$ ) { goto &bzreadline; } sub gzwrite ( $$ ) { goto &bzwrite; } sub gzflush ( $;$ ) { my ( $obj, $flush ) = @_; return Z_OK if $flush == Z_NO_FLUSH; goto &bzflush; } sub gzclose ( $ ) { goto &bzclose; } sub gzeof ( $ ) { goto &bzeof; } sub gzsetparams ( $$$ ) { ## ignore params my ( $obj, $level, $strategy ) = @_; return Z_OK; } sub gzerror ( $ ) { goto &bzerror; } sub deflateInit ( @ ) { ## ignore all options: ## -Level, -Method, -WindowBits, -MemLevel, -Strategy, -Dictionary, -Bufsize my @res = bzdeflateInit(); return $res[0] if !wantarray; return ( $res[0], _bzerror2gzerror( $res[1] ) ); } sub deflate ( $$ ) { my ( $obj, $buffer ) = @_; my @res = $obj->bzdeflate( $buffer ); return $res[0] if !wantarray; return ( $res[0], _bzerror2gzerror( $res[1] ) ); } sub deflateParams ( $;@ ) { ## ignore all options return Z_OK; } sub flush ( $;$ ) { my ( $obj, $flush_type ) = @_; $flush_type = Z_FINISH if !defined($flush_type); return Z_OK if $flush_type == Z_NO_FLUSH; my $bz_flush_type; my @res; $bz_flush_type = $flush_type == Z_PARTIAL_FLUSH || $flush_type == Z_SYNC_FLUSH ? &BZ_FLUSH : $flush_type == Z_FULL_FLUSH ? &BZ_FINISH : &BZ_FINISH; @res = $obj->bzflush( $bz_flush_type ); return $res[0] if !wantarray; return ( $res[0], _bzerror2gzerror( $res[1] ) ); } sub dict_adler ( $ ) { return 1; # ??? } sub msg ( $ ) { my ( $obj ) = @_; return ''.($obj->bzerror).''; # stringify } sub inflateInit ( @ ) { ## ignore all options: ## -WindowBits, -Dictionary, -Bufsize my @res = bzinflateInit(); return $res[0] if !wantarray; return ( $res[0], _bzerror2gzerror( $res[1] ) ); } sub inflate ( $$ ) { my ( $obj, $buffer ) = @_; my @res = $obj->bzinflate( $buffer ); return $res[0] if !wantarray; return ( $res[0], _bzerror2gzerror( $res[1] ) ); } sub inflateSync ( $ ) { return Z_VERSION_ERROR; # ?? what } sub memGzip ( $ ) { goto &memBzip; } sub memGunzip ( $ ) { goto &memBunzip; } sub adler32 ( $;$ ) { return 0; } sub crc32 ( $;$ ) { return 0; } # sub compress ( $;$ ) { # ## ignore $level # my ( $source, $level ) = @_; # return memBzip( $source ); # } sub uncompress ( $ ) { my ( $source, $level ) = @_; return memBunzip( $source ); } # Autoload methods go after =cut, and are processed by the autosplit program. 1; __END__ =pod =head1 NAME Compress::Bzip2 - Interface to Bzip2 compression library =head1 SYNOPSIS use Compress::Bzip2 qw(:all :constant :utilities :gzip); ($bz, $status) = bzdeflateInit( [PARAMS] ); ($out, $status) = $bz->bzdeflate($buffer) ; # compress ($bz, $status) = bzinflateInit( [PARAMS] ); ($out, $status) = $bz->bzinflate($buffer); # uncompress ($out, $status) = $bz->bzflush() ; ($out, $status) = $bz->bzclose() ; $dest = memBzip($source); alias compress $dest = memBunzip($source); alias decompress $bz = Compress::Bzip2->new( [PARAMS] ); $bz = bzopen($filename or filehandle, $mode); alternate, with $bz created by new(): $bz->bzopen($filename or filehandle, $mode); $bytesread = $bz->bzread($buffer [,$size]) ; $bytesread = $bz->bzreadline($line); $byteswritten = $bz->bzwrite($buffer [,$limit]); $errstring = $bz->bzerror(); $status = $bz->bzeof(); $status = $bz->bzflush(); $status = $bz->bzclose() ; $status = $bz->bzsetparams( $param => $setting ); $bz->total_in() ; $bz->total_out() ; $verstring = $bz->bzversion(); $Compress::Bzip2::bzerrno =head1 DESCRIPTION The I module provides a Perl interface to the B compression library (see L for details about where to get I). A relevant subset of the functionality provided by I is available in I. All string parameters can either be a scalar or a scalar reference. The module can be split into two general areas of functionality, namely in-memory compression/decompression and read/write access to I files. Each of these areas will be discussed separately below. B I is just a simple I binding, comparable to the old L library. It is not well integrated into PerlIO, use the preferred L instead. =head1 FILE READ/WRITE INTERFACE A number of functions are supplied in I for reading and writing I files. Unfortunately, most of them are not suitable. So, this module provides another interface, built over top of the low level bzlib methods. =head2 B<$bz = bzopen(filename or filehandle, mode)> This function returns an object which is used to access the other I methods. The B parameter is used to specify both whether the file is opened for reading or writing, with "r" or "w" respectively. If a reference to an open filehandle is passed in place of the filename, it better be positioned to the start of a compression/decompression sequence. WARNING: With Perl 5.6 you cannot use a filehandle because of SEGV in destruction with bzclose or an implicit close. =head2 B<$bz = Compress::Bzip2-Enew( [PARAMS] )> Create a Compress::Bzip2 object. Optionally, provide compression/decompression parameters as a keyword => setting list. See I for a description of the parameters. =head2 B<$bz-Ebzopen(filename or filehandle, mode)> This is bzopen, but it uses an object previously created by the new method. Other than that, it is identical to the above bzopen. =head2 B<$bytesread = $bz-Ebzread($buffer [, $size]) ;> Reads B<$size> bytes from the compressed file into B<$buffer>. If B<$size> is not specified, it will default to 4096. If the scalar B<$buffer> is not large enough, it will be extended automatically. Returns the number of bytes actually read. On EOF it returns 0 and in the case of an error, -1. =head2 B<$bytesread = $bz-Ebzreadline($line) ;> Reads the next line from the compressed file into B<$line>. Returns the number of bytes actually read. On EOF it returns 0 and in the case of an error, -1. It IS legal to intermix calls to B and B. At this time B ignores the variable C<$/> (C<$INPUT_RECORD_SEPARATOR> or C<$RS> when C is in use). The end of a line is denoted by the C character C<'\n'>. =head2 B<$byteswritten = $bz-Ebzwrite($buffer [, $limit]) ;> Writes the contents of B<$buffer> to the compressed file. Returns the number of bytes actually written, or 0 on error. If $limit is given and non-zero, then only that many bytes from $buffer will be written. =head2 B<$status = $bz-Ebzflush($flush) ;> Flushes all pending output to the compressed file. Works identically to the I function it interfaces to. Note that the use of B can degrade compression. Returns C if B<$flush> is C and all output could be flushed. Otherwise the bzlib error code is returned. Refer to the I documentation for the valid values of B<$flush>. =head2 B<$status = $bz-Ebzeof() ;> Returns 1 if the end of file has been detected while reading the input file, otherwise returns 0. =head2 B<$bz-Ebzclose> Closes the compressed file. Any pending data is flushed to the file before it is closed. =head2 B<$bz-Ebzsetparams( [PARAMS] );> Change settings for the deflate stream C<$bz>. The list of the valid options is shown below. Options not specified will remain unchanged. =over 5 =item B<-verbosity> Defines the verbosity level. Valid values are 0 through 4, The default is C<-verbosity =E 0>. =item B<-blockSize100k> For bzip object opened for stream deflation or write. Defines the buffering factor of compression method. The algorithm buffers all data until the buffer is full, then it flushes all the data out. Use -blockSize100k to specify the size of the buffer. Valid settings are 1 through 9, representing a blocking in multiples of 100k. Note that each such block has an overhead of leading and trailing synchronization bytes. bzip2 recovery uses this information to pull useable data out of a corrupted file. A streaming application would probably want to set the blocking low. =item B<-workFactor> For bzip object opened for stream deflation or write. The workFactor setting tells the deflation algorithm how much work to invest to compensate for repetitive data. workFactor may be a number from 0 to 250 inclusive. The default setting is 30. See the bzip documentation for more information. =item B<-small> For bzip object opened for stream inflation or read. B may be 0 or 1. Set C to one to use a slower, less memory intensive algorithm. =back =head2 B<$bz-Ebzerror> Returns the I error message or number for the last operation associated with B<$bz>. The return value will be the I error number when used in a numeric context and the I error message when used in a string context. The I error number constants, shown below, are available for use. BZ_CONFIG_ERROR BZ_DATA_ERROR BZ_DATA_ERROR_MAGIC BZ_FINISH BZ_FINISH_OK BZ_FLUSH BZ_FLUSH_OK BZ_IO_ERROR BZ_MAX_UNUSED BZ_MEM_ERROR BZ_OK BZ_OUTBUFF_FULL BZ_PARAM_ERROR BZ_RUN BZ_RUN_OK BZ_SEQUENCE_ERROR BZ_STREAM_END BZ_UNEXPECTED_EOF =head2 B<$bz-Ebzclearerr> =head2 B<$bzerrno> The B<$bzerrno> scalar holds the error code associated with the most recent I routine. Note that unlike B, the error is I associated with a particular file. As with B it returns an error number in numeric context and an error message in string context. Unlike B though, the error message will correspond to the I message when the error is associated with I itself, or the UNIX error message when it is not (i.e. I returned C). As there is an overlap between the error numbers used by I and UNIX, B<$bzerrno> should only be used to check for the presence of I error in numeric context. Use B to check for specific I errors. The I example below shows how the variable can be used safely. =head2 B<$bz-Eprefix> Returns the additional 5 byte header which is prepended to the bzip2 header starting with C when using memBzip/compress. =head1 Compress::Bzip2 Utilities Options: -d -c -z -f -v -k -s -1..9 =head2 bzip2( [OPTS], filename) =head2 bunzip2(filename) =head2 bzcat(filenames...) =head2 bzlibversion() =head2 bzinflateInit( opts... ) =head1 Internal Utilties =head2 bz_seterror(errno, msg) =head2 $bz-Eis_read() =head2 $bz-Eis_stream() =head2 $bz-Eis_write() =head2 $bz-Etotal_in() =head2 $bz-Etotal_out() =head2 version() =head1 Compress::Bzip2 1.03 COMPATIBILITY While the 2.x thread forked off of 1.00, another line of development came to a head at 1.03. The 1.03 version worked with bzlib 1.0.2, had improvements to the error handling, single buffer inflate/deflate, a streaming interface to inflate/deflate, and a cpan style test suite. =head2 B<$dest = compress( $string, [$level] )> Alias to L, this compresses string, using the optional compression level, 1 through 9, the default being 6. Returns a string containing the compressed data. On error I is returned. =head2 B<$dest = decompress($string, [$level])> Alias to L, this decompresses the data in string, returning a string containing the decompressed data. On error I is returned. =head2 uncompress($string, [$level]) Another alias to L =head2 B<$stream = compress_init( [PARAMS] )> Alias to bzdeflateInit. In addition to the named parameters documented for bzdeflateInit, the following are accepted: -level, alias to -blockSize100k -buffer, to set the buffer size. The -buffer option is ignored. The intermediate buffer size is not changeable. =head2 B<$stream = decompress_init( [PARAMS] )> Alias to bzinflateInit. See bzinflateInit for a description of the parameters. The option "-buffer" is accepted, but ignored. =head2 B<$output = $stream-Eadd( $string )> Add data to be compressed/decompressed. Returns whatever output is available (possibly none, if it's still buffering it), or undef on error. =head2 B<$output = $stream-Efinish( [$string] )> Finish the operation; takes an optional final data string. Whatever is returned completes the output; returns undef on error. =head2 B<$stream-Eerror> Like the function, but applies to the current object only. Note that errors in a stream object are also returned by the function. =head2 B<$stream-Einput_size> Alias to total_in. Total bytes passed to the stream. =head2 B<$stream-Eoutput_size> Alias to total_out. Total bytes received from the stream. =head1 GZIP COMPATIBILITY INTERFACE Except for the exact state and error numbers, this package presents an interface very much like that given by the Compress::Zlib package. Mostly, if you take the method name, state or error number from Compress::Zlib and replace the "g" with a "b", your code should work. To make the interoperability even easier, all the Compress::Zlib method names have been used as aliases or cover functions for the bzip2 methods. Therefore, most code that uses Compress::Zlib should be able to use this package, with a one line change. Simply change $gz = Compress::Zlib::gzopen( "filename", "w" ); to $gz = Compress::Bzip2::gzopen( "filename", "w" ); Some of the Compress::Zlib aliases don't return anything useful, like crc32 or adler32, cause bzip2 doesn't do that sort of thing. =head2 B< $gz = gzopen( $filename, $mode ) > Alias for bzopen. =head2 B< $gz-Egzread( $buffer, [ $length ] ) > Alias for bzread. =head2 B< $gz-Egzreadline( $buffer ) > Alias for bzreadline. =head2 B< $gz-Egzwrite( $buffer ) > Alias for bzwrite. =head2 B< $gz-Egzflush( [$flushtype] ) > Alias for bzflush, with return code translation. =head2 B< $gz-Egzclose( ) > Alias for bzclose. =head2 B< $gz-Egzeof( ) > Alias for bzeof. =head2 B< $gz-Egzerror( ) > Alias for bzerror. =head2 B< $gz-Egzsetparams( $level, $strategy ) > This is a no-op. =head2 B< $d = deflateInit( [OPTS] ) > Alias for bzdeflateInit, with return code translation. All OPTS are ignored. =head2 B< $d-Edeflate( $buffer ) > Alias for bzdeflate, with return code translation. =head2 B< $d-EdeflateParams( [OPTS] ) > This is a no-op. =head2 B< $d-Eflush( [$flushtype] ) > Cover function for bzflush or bzclose, depending on $flushtype. See the Compress::Zlib documentation for more information. =head2 B< $d-Edict_adler( ) > This is a no-op. =head2 B< $d-Emsg( ) > This is a no-op. =head2 B< $d = inflateInit( [OPTS] ) > Alias for bzinflateInit, with return code translation. All OPTS are ignored. =head2 B< $d-Einflate( ) > Alias for bzinflate, with return code translation. =head2 B< $d-EinflateSync( ) > This is a no-op. =head2 B< $d-Eadler32( $crc ) > This is a no-op. =head2 B< $d-Ecrc32( $crc ) > This is a no-op. =head2 B< $buffer = memGzip( $buffer ) > Alias for memBzip. =head2 B< $buffer = memGunzip( $buffer ) > Alias for memBunzip. =head1 IN-MEMORY COMPRESS/UNCOMPRESS Two high-level functions are provided by I to perform in-memory compression. They are B and B. Two Perl subs are provided which provide similar functionality. =head2 B<$compressed = memBzip($buffer);> Compresses B<$buffer>. If successful it returns the compressed data. Otherwise it returns I. The buffer parameter can either be a scalar or a scalar reference. Essentially, an in-memory bzip file is created. It creates a minimal bzip header, which adds 5 bytes before the bzip2 specific BZh header. =head2 B<$uncompressed = memBunzip($buffer);> Uncompresses B<$buffer>. If successful it returns the uncompressed data. Otherwise it returns I. The source buffer can either be a scalar or a scalar reference. The buffer parameter can either be a scalar or a scalar reference. The contents of the buffer parameter are destroyed after calling this function. =head1 STREAM DEFLATE (= COMPRESS) The Perl interface will I consume the complete input buffer before returning. Also the output buffer returned will be automatically grown to fit the amount of output available. Here is a definition of the interface available: =head2 B<($d, $status) = bzdeflateInit( [PARAMS] )> Initialises a deflation stream. If successful, it will return the initialised deflation stream, B<$d> and B<$status> of C in a list context. In scalar context it returns the deflation stream, B<$d>, only. If not successful, the returned deflation stream (B<$d>) will be I and B<$status> will hold the exact I error code. The function optionally takes a number of named options specified as C<-Name=Evalue> pairs. This allows individual options to be tailored without having to specify them all in the parameter list. Here is a list of the valid options: =over 5 =item B<-verbosity> Defines the verbosity level. Valid values are 0 through 4, The default is C<-verbosity =E 0>. =item B<-blockSize100k> Defines the buffering factor of compression method. The algorithm buffers all data until the buffer is full, then it flushes all the data out. Use -blockSize100k to specify the size of the buffer. Valid settings are 1 through 9, representing a blocking in multiples of 100k. Note that each such block has an overhead of leading and trailing synchronization bytes. bzip2 recovery uses this information to pull useable data out of a corrupted file. A streaming application would probably want to set the blocking low. =item B<-workFactor> The workFactor setting tells the deflation algorithm how much work to invest to compensate for repetitive data. workFactor may be a number from 0 to 250 inclusive. The default setting is 30. See the bzip documentation for more information. =back Here is an example of using the B optional parameter list to override the default buffer size and compression level. All other options will take their default values. bzdeflateInit( -blockSize100k => 1, -verbosity => 1 ); =head2 B<($out, $status) = $d-Ebzdeflate($buffer)> Deflates the contents of B<$buffer>. The buffer can either be a scalar or a scalar reference. When finished, B<$buffer> will be completely processed (assuming there were no errors). If the deflation was successful it returns deflated output, B<$out>, and a status value, B<$status>, of C. On error, B<$out> will be I and B<$status> will contain the I error code. In a scalar context B will return B<$out> only. As with the internal buffering of the I function in I, it is not necessarily the case that any output will be produced by this method. So don't rely on the fact that B<$out> is empty for an error test. In fact, given the size of bzdeflates internal buffer, with most files it's likely you won't see any output at all until flush or close. =head2 B<($out, $status) = $d-Ebzflush([flush_type])> Typically used to finish the deflation. Any pending output will be returned via B<$out>. B<$status> will have a value C if successful. In a scalar context B will return B<$out> only. Note that flushing can seriously degrade the compression ratio, so it should only be used to terminate a decompression (using C) or when you want to create a I (using C). The allowable values for C are C and C. For a handle opened for "w" (bzwrite), the default is C. For a stream, the default for C is C (which is essentially a close and reopen). It is strongly recommended that you only set the C parameter if you fully understand the implications of what it does. See the C documentation for details. =head2 Example Here is a trivial example of using B. It simply reads standard input, deflates it and writes it to standard output. use strict ; use warnings ; use Compress::Bzip2 ; binmode STDIN; binmode STDOUT; my $x = bzdeflateInit() or die "Cannot create a deflation stream\n" ; my ($output, $status) ; while (<>) { ($output, $status) = $x->bzdeflate($_) ; $status == BZ_OK or die "deflation failed\n" ; print $output ; } ($output, $status) = $x->bzclose() ; $status == BZ_OK or die "deflation failed\n" ; print $output ; =head1 STREAM INFLATE Here is a definition of the interface: =head2 B<($i, $status) = inflateInit()> Initialises an inflation stream. In a list context it returns the inflation stream, B<$i>, and the I status code (B<$status>). In a scalar context it returns the inflation stream only. If successful, B<$i> will hold the inflation stream and B<$status> will be C. If not successful, B<$i> will be I and B<$status> will hold the I error code. The function optionally takes a number of named options specified as C<-Name=Evalue> pairs. This allows individual options to be tailored without having to specify them all in the parameter list. For backward compatibility, it is also possible to pass the parameters as a reference to a hash containing the name=>value pairs. The function takes one optional parameter, a reference to a hash. The contents of the hash allow the deflation interface to be tailored. Here is a list of the valid options: =over 5 =item B<-small> B may be 0 or 1. Set C to one to use a slower, less memory intensive algorithm. =item B<-verbosity> Defines the verbosity level. Valid values are 0 through 4, The default is C<-verbosity =E 0>. =back Here is an example of using the B optional parameter. bzinflateInit( -small => 1, -verbosity => 1 ); =head2 B<($out, $status) = $i-Ebzinflate($buffer)> Inflates the complete contents of B<$buffer>. The buffer can either be a scalar or a scalar reference. Returns C if successful and C if the end of the compressed data has been successfully reached. If not successful, B<$out> will be I and B<$status> will hold the I error code. The C<$buffer> parameter is modified by C. On completion it will contain what remains of the input buffer after inflation. This means that C<$buffer> will be an empty string when the return status is C. When the return status is C the C<$buffer> parameter will contains what (if anything) was stored in the input buffer after the deflated data stream. This feature is useful when processing a file format that encapsulates a compressed data stream. =head2 Example Here is an example of using B. use strict ; use warnings ; use Compress::Bzip2; my $x = bzinflateInit() or die "Cannot create a inflation stream\n" ; my $input = '' ; binmode STDIN; binmode STDOUT; my ($output, $status) ; while (read(STDIN, $input, 4096)) { ($output, $status) = $x->bzinflate(\$input) ; print $output if $status == BZ_OK or $status == BZ_STREAM_END ; last if $status != BZ_OK ; } die "inflation failed\n" unless $status == BZ_STREAM_END ; =head1 EXAMPLES Here are some example scripts of using the interface. =head2 B use strict ; use warnings ; use Compress::Bzip2 ; die "Usage: bzcat file...\n" unless @ARGV ; my $file ; foreach $file (@ARGV) { my $buffer ; my $bz = bzopen($file, "rb") or die "Cannot open $file: $bzerrno\n" ; print $buffer while $bz->bzread($buffer) > 0 ; die "Error reading from $file: $bzerrno" . ($bzerrno+0) . "\n" if $bzerrno != BZ_STREAM_END ; $bz->bzclose() ; } =head2 B use strict ; use warnings ; use Compress::Bzip2 ; die "Usage: bzgrep pattern file...\n" unless @ARGV >= 2; my $pattern = shift ; my $file ; foreach $file (@ARGV) { my $bz = bzopen($file, "rb") or die "Cannot open $file: $bzerrno\n" ; while ($bz->bzreadline($_) > 0) { print if /$pattern/ ; } die "Error reading from $file: $bzerrno\n" if $bzerrno != Z_STREAM_END ; $bz->bzclose() ; } =head2 B This script, I, does the opposite of the I script above. It reads from standard input and writes a bzip file to standard output. use strict ; use warnings ; use Compress::Bzip2 ; binmode STDOUT; # bzopen only sets it on the fd my $bz = bzopen(\*STDOUT, "wb") or die "Cannot open stdout: $bzerrno\n" ; while (<>) { $bz->bzwrite($_) or die "error writing: $bzerrno\n" ; } $bz->bzclose ; =head1 EXPORT Use the tags :all, :utilities, :constants, :bzip1 and :gzip. =head2 Export tag :all This exports all the exportable methods. =head2 Export tag :constants This exports only the BZ_* constants. =head2 Export tag :bzip1 This exports the Compress::Bzip2 1.x functions, for compatibility. compress decompress compress_init decompress_init version These are actually aliases to memBzip and memBunzip. =head2 Export tag :utilities This gives an interface to the bzip2 methods. bzopen bzinflateInit bzdeflateInit memBzip memBunzip bzip2 bunzip2 bzcat bzlibversion $bzerrno =head2 Export tag :gzip This gives compatibility with Compress::Zlib. gzopen gzinflateInit gzdeflateInit memGzip memGunzip $gzerrno =head1 Exportable constants All the I constants are automatically imported when you make use of I. BZ_CONFIG_ERROR BZ_DATA_ERROR BZ_DATA_ERROR_MAGIC BZ_FINISH BZ_FINISH_OK BZ_FLUSH BZ_FLUSH_OK BZ_IO_ERROR BZ_MAX_UNUSED BZ_MEM_ERROR BZ_OK BZ_OUTBUFF_FULL BZ_PARAM_ERROR BZ_RUN BZ_RUN_OK BZ_SEQUENCE_ERROR BZ_STREAM_END BZ_UNEXPECTED_EOF =head1 SEE ALSO The documentation for zlib, bzip2 and Compress::Zlib. =head1 AUTHOR Rob Janes, Earjay at cpan.orgE =head1 COPYRIGHT AND LICENSE Copyright (C) 2005 by Rob Janes This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.3 or, at your option, any later version of Perl 5 you may have available. =head1 AUTHOR The I module was originally written by Gawdi Azem F. The first I module was written by Gawdi Azem F. It provided an interface to the in memory inflate and deflate routines. I was subsequently passed on to Marco Carnut F who shepherded it through to version 1.03, a set of changes which included upgrades to handle bzlib 1.0.2, and improvements to the in memory inflate and deflate routines. The streaming interface and error information were added by David Robins F. Version 2 of I is due to Rob Janes, of arjay@cpan.org. This release is intended to give an interface close to that of Compress::Zlib. It's development forks from 1.00, not 1.03, so the streaming interface is not the same as that in 1.03, although apparently compatible as it passes the 1.03 test suite. Minor subsequent fixes and releases were done by Reini Urban, rurban@cpan.org. =head1 MODIFICATION HISTORY See the Changes file. 2.00 Second public release of I. PK!pG_ Raw/Zlib.pmnu[ package Compress::Raw::Zlib; require 5.006 ; require Exporter; use Carp ; use strict ; use warnings ; use bytes ; our ($VERSION, $XS_VERSION, @ISA, @EXPORT, %EXPORT_TAGS, @EXPORT_OK, $AUTOLOAD, %DEFLATE_CONSTANTS, @DEFLATE_CONSTANTS); $VERSION = '2.081'; $XS_VERSION = $VERSION; $VERSION = eval $VERSION; @ISA = qw(Exporter); %EXPORT_TAGS = ( flush => [qw{ Z_NO_FLUSH Z_PARTIAL_FLUSH Z_SYNC_FLUSH Z_FULL_FLUSH Z_FINISH Z_BLOCK }], level => [qw{ Z_NO_COMPRESSION Z_BEST_SPEED Z_BEST_COMPRESSION Z_DEFAULT_COMPRESSION }], strategy => [qw{ Z_FILTERED Z_HUFFMAN_ONLY Z_RLE Z_FIXED Z_DEFAULT_STRATEGY }], status => [qw{ Z_OK Z_STREAM_END Z_NEED_DICT Z_ERRNO Z_STREAM_ERROR Z_DATA_ERROR Z_MEM_ERROR Z_BUF_ERROR Z_VERSION_ERROR }], ); %DEFLATE_CONSTANTS = %EXPORT_TAGS; # Items to export into callers namespace by default. Note: do not export # names by default without a very good reason. Use EXPORT_OK instead. # Do not simply export all your public functions/methods/constants. @DEFLATE_CONSTANTS = @EXPORT = qw( ZLIB_VERSION ZLIB_VERNUM OS_CODE MAX_MEM_LEVEL MAX_WBITS Z_ASCII Z_BEST_COMPRESSION Z_BEST_SPEED Z_BINARY Z_BLOCK Z_BUF_ERROR Z_DATA_ERROR Z_DEFAULT_COMPRESSION Z_DEFAULT_STRATEGY Z_DEFLATED Z_ERRNO Z_FILTERED Z_FIXED Z_FINISH Z_FULL_FLUSH Z_HUFFMAN_ONLY Z_MEM_ERROR Z_NEED_DICT Z_NO_COMPRESSION Z_NO_FLUSH Z_NULL Z_OK Z_PARTIAL_FLUSH Z_RLE Z_STREAM_END Z_STREAM_ERROR Z_SYNC_FLUSH Z_TREES Z_UNKNOWN Z_VERSION_ERROR WANT_GZIP WANT_GZIP_OR_ZLIB ); push @EXPORT, qw(crc32 adler32 DEF_WBITS); use constant WANT_GZIP => 16; use constant WANT_GZIP_OR_ZLIB => 32; sub AUTOLOAD { my($constname); ($constname = $AUTOLOAD) =~ s/.*:://; my ($error, $val) = constant($constname); Carp::croak $error if $error; no strict 'refs'; *{$AUTOLOAD} = sub { $val }; goto &{$AUTOLOAD}; } use constant FLAG_APPEND => 1 ; use constant FLAG_CRC => 2 ; use constant FLAG_ADLER => 4 ; use constant FLAG_CONSUME_INPUT => 8 ; use constant FLAG_LIMIT_OUTPUT => 16 ; eval { require XSLoader; XSLoader::load('Compress::Raw::Zlib', $XS_VERSION); 1; } or do { require DynaLoader; local @ISA = qw(DynaLoader); bootstrap Compress::Raw::Zlib $XS_VERSION ; }; use constant Parse_any => 0x01; use constant Parse_unsigned => 0x02; use constant Parse_signed => 0x04; use constant Parse_boolean => 0x08; #use constant Parse_string => 0x10; #use constant Parse_custom => 0x12; #use constant Parse_store_ref => 0x100 ; use constant OFF_PARSED => 0 ; use constant OFF_TYPE => 1 ; use constant OFF_DEFAULT => 2 ; use constant OFF_FIXED => 3 ; use constant OFF_FIRST_ONLY => 4 ; use constant OFF_STICKY => 5 ; sub ParseParameters { my $level = shift || 0 ; my $sub = (caller($level + 1))[3] ; #local $Carp::CarpLevel = 1 ; my $p = new Compress::Raw::Zlib::Parameters() ; $p->parse(@_) or croak "$sub: $p->{Error}" ; return $p; } sub Compress::Raw::Zlib::Parameters::new { my $class = shift ; my $obj = { Error => '', Got => {}, } ; #return bless $obj, ref($class) || $class || __PACKAGE__ ; return bless $obj, 'Compress::Raw::Zlib::Parameters' ; } sub Compress::Raw::Zlib::Parameters::setError { my $self = shift ; my $error = shift ; my $retval = @_ ? shift : undef ; $self->{Error} = $error ; return $retval; } #sub getError #{ # my $self = shift ; # return $self->{Error} ; #} sub Compress::Raw::Zlib::Parameters::parse { my $self = shift ; my $default = shift ; my $got = $self->{Got} ; my $firstTime = keys %{ $got } == 0 ; my (@Bad) ; my @entered = () ; # Allow the options to be passed as a hash reference or # as the complete hash. if (@_ == 0) { @entered = () ; } elsif (@_ == 1) { my $href = $_[0] ; return $self->setError("Expected even number of parameters, got 1") if ! defined $href or ! ref $href or ref $href ne "HASH" ; foreach my $key (keys %$href) { push @entered, $key ; push @entered, \$href->{$key} ; } } else { my $count = @_; return $self->setError("Expected even number of parameters, got $count") if $count % 2 != 0 ; for my $i (0.. $count / 2 - 1) { push @entered, $_[2* $i] ; push @entered, \$_[2* $i+1] ; } } while (my ($key, $v) = each %$default) { croak "need 4 params [@$v]" if @$v != 4 ; my ($first_only, $sticky, $type, $value) = @$v ; my $x ; $self->_checkType($key, \$value, $type, 0, \$x) or return undef ; $key = lc $key; if ($firstTime || ! $sticky) { $got->{$key} = [0, $type, $value, $x, $first_only, $sticky] ; } $got->{$key}[OFF_PARSED] = 0 ; } for my $i (0.. @entered / 2 - 1) { my $key = $entered[2* $i] ; my $value = $entered[2* $i+1] ; #print "Key [$key] Value [$value]" ; #print defined $$value ? "[$$value]\n" : "[undef]\n"; $key =~ s/^-// ; my $canonkey = lc $key; if ($got->{$canonkey} && ($firstTime || ! $got->{$canonkey}[OFF_FIRST_ONLY] )) { my $type = $got->{$canonkey}[OFF_TYPE] ; my $s ; $self->_checkType($key, $value, $type, 1, \$s) or return undef ; #$value = $$value unless $type & Parse_store_ref ; $value = $$value ; $got->{$canonkey} = [1, $type, $value, $s] ; } else { push (@Bad, $key) } } if (@Bad) { my ($bad) = join(", ", @Bad) ; return $self->setError("unknown key value(s) @Bad") ; } return 1; } sub Compress::Raw::Zlib::Parameters::_checkType { my $self = shift ; my $key = shift ; my $value = shift ; my $type = shift ; my $validate = shift ; my $output = shift; #local $Carp::CarpLevel = $level ; #print "PARSE $type $key $value $validate $sub\n" ; # if ( $type & Parse_store_ref) # { # #$value = $$value # # if ref ${ $value } ; # # $$output = $value ; # return 1; # } $value = $$value ; if ($type & Parse_any) { $$output = $value ; return 1; } elsif ($type & Parse_unsigned) { return $self->setError("Parameter '$key' must be an unsigned int, got 'undef'") if $validate && ! defined $value ; return $self->setError("Parameter '$key' must be an unsigned int, got '$value'") if $validate && $value !~ /^\d+$/; $$output = defined $value ? $value : 0 ; return 1; } elsif ($type & Parse_signed) { return $self->setError("Parameter '$key' must be a signed int, got 'undef'") if $validate && ! defined $value ; return $self->setError("Parameter '$key' must be a signed int, got '$value'") if $validate && $value !~ /^-?\d+$/; $$output = defined $value ? $value : 0 ; return 1 ; } elsif ($type & Parse_boolean) { return $self->setError("Parameter '$key' must be an int, got '$value'") if $validate && defined $value && $value !~ /^\d*$/; $$output = defined $value ? $value != 0 : 0 ; return 1; } # elsif ($type & Parse_string) # { # $$output = defined $value ? $value : "" ; # return 1; # } $$output = $value ; return 1; } sub Compress::Raw::Zlib::Parameters::parsed { my $self = shift ; my $name = shift ; return $self->{Got}{lc $name}[OFF_PARSED] ; } sub Compress::Raw::Zlib::Parameters::value { my $self = shift ; my $name = shift ; if (@_) { $self->{Got}{lc $name}[OFF_PARSED] = 1; $self->{Got}{lc $name}[OFF_DEFAULT] = $_[0] ; $self->{Got}{lc $name}[OFF_FIXED] = $_[0] ; } return $self->{Got}{lc $name}[OFF_FIXED] ; } our $OPTIONS_deflate = { 'AppendOutput' => [1, 1, Parse_boolean, 0], 'CRC32' => [1, 1, Parse_boolean, 0], 'ADLER32' => [1, 1, Parse_boolean, 0], 'Bufsize' => [1, 1, Parse_unsigned, 4096], 'Level' => [1, 1, Parse_signed, Z_DEFAULT_COMPRESSION()], 'Method' => [1, 1, Parse_unsigned, Z_DEFLATED()], 'WindowBits' => [1, 1, Parse_signed, MAX_WBITS()], 'MemLevel' => [1, 1, Parse_unsigned, MAX_MEM_LEVEL()], 'Strategy' => [1, 1, Parse_unsigned, Z_DEFAULT_STRATEGY()], 'Dictionary' => [1, 1, Parse_any, ""], }; sub Compress::Raw::Zlib::Deflate::new { my $pkg = shift ; my ($got) = ParseParameters(0, $OPTIONS_deflate, @_); croak "Compress::Raw::Zlib::Deflate::new: Bufsize must be >= 1, you specified " . $got->value('Bufsize') unless $got->value('Bufsize') >= 1; my $flags = 0 ; $flags |= FLAG_APPEND if $got->value('AppendOutput') ; $flags |= FLAG_CRC if $got->value('CRC32') ; $flags |= FLAG_ADLER if $got->value('ADLER32') ; my $windowBits = $got->value('WindowBits'); $windowBits += MAX_WBITS() if ($windowBits & MAX_WBITS()) == 0 ; _deflateInit($flags, $got->value('Level'), $got->value('Method'), $windowBits, $got->value('MemLevel'), $got->value('Strategy'), $got->value('Bufsize'), $got->value('Dictionary')) ; } sub Compress::Raw::Zlib::deflateStream::STORABLE_freeze { my $type = ref shift; croak "Cannot freeze $type object\n"; } sub Compress::Raw::Zlib::deflateStream::STORABLE_thaw { my $type = ref shift; croak "Cannot thaw $type object\n"; } our $OPTIONS_inflate = { 'AppendOutput' => [1, 1, Parse_boolean, 0], 'LimitOutput' => [1, 1, Parse_boolean, 0], 'CRC32' => [1, 1, Parse_boolean, 0], 'ADLER32' => [1, 1, Parse_boolean, 0], 'ConsumeInput' => [1, 1, Parse_boolean, 1], 'Bufsize' => [1, 1, Parse_unsigned, 4096], 'WindowBits' => [1, 1, Parse_signed, MAX_WBITS()], 'Dictionary' => [1, 1, Parse_any, ""], } ; sub Compress::Raw::Zlib::Inflate::new { my $pkg = shift ; my ($got) = ParseParameters(0, $OPTIONS_inflate, @_); croak "Compress::Raw::Zlib::Inflate::new: Bufsize must be >= 1, you specified " . $got->value('Bufsize') unless $got->value('Bufsize') >= 1; my $flags = 0 ; $flags |= FLAG_APPEND if $got->value('AppendOutput') ; $flags |= FLAG_CRC if $got->value('CRC32') ; $flags |= FLAG_ADLER if $got->value('ADLER32') ; $flags |= FLAG_CONSUME_INPUT if $got->value('ConsumeInput') ; $flags |= FLAG_LIMIT_OUTPUT if $got->value('LimitOutput') ; my $windowBits = $got->value('WindowBits'); $windowBits += MAX_WBITS() if ($windowBits & MAX_WBITS()) == 0 ; _inflateInit($flags, $windowBits, $got->value('Bufsize'), $got->value('Dictionary')) ; } sub Compress::Raw::Zlib::inflateStream::STORABLE_freeze { my $type = ref shift; croak "Cannot freeze $type object\n"; } sub Compress::Raw::Zlib::inflateStream::STORABLE_thaw { my $type = ref shift; croak "Cannot thaw $type object\n"; } sub Compress::Raw::Zlib::InflateScan::new { my $pkg = shift ; my ($got) = ParseParameters(0, { 'CRC32' => [1, 1, Parse_boolean, 0], 'ADLER32' => [1, 1, Parse_boolean, 0], 'Bufsize' => [1, 1, Parse_unsigned, 4096], 'WindowBits' => [1, 1, Parse_signed, -MAX_WBITS()], 'Dictionary' => [1, 1, Parse_any, ""], }, @_) ; croak "Compress::Raw::Zlib::InflateScan::new: Bufsize must be >= 1, you specified " . $got->value('Bufsize') unless $got->value('Bufsize') >= 1; my $flags = 0 ; #$flags |= FLAG_APPEND if $got->value('AppendOutput') ; $flags |= FLAG_CRC if $got->value('CRC32') ; $flags |= FLAG_ADLER if $got->value('ADLER32') ; #$flags |= FLAG_CONSUME_INPUT if $got->value('ConsumeInput') ; _inflateScanInit($flags, $got->value('WindowBits'), $got->value('Bufsize'), '') ; } sub Compress::Raw::Zlib::inflateScanStream::createDeflateStream { my $pkg = shift ; my ($got) = ParseParameters(0, { 'AppendOutput' => [1, 1, Parse_boolean, 0], 'CRC32' => [1, 1, Parse_boolean, 0], 'ADLER32' => [1, 1, Parse_boolean, 0], 'Bufsize' => [1, 1, Parse_unsigned, 4096], 'Level' => [1, 1, Parse_signed, Z_DEFAULT_COMPRESSION()], 'Method' => [1, 1, Parse_unsigned, Z_DEFLATED()], 'WindowBits' => [1, 1, Parse_signed, - MAX_WBITS()], 'MemLevel' => [1, 1, Parse_unsigned, MAX_MEM_LEVEL()], 'Strategy' => [1, 1, Parse_unsigned, Z_DEFAULT_STRATEGY()], }, @_) ; croak "Compress::Raw::Zlib::InflateScan::createDeflateStream: Bufsize must be >= 1, you specified " . $got->value('Bufsize') unless $got->value('Bufsize') >= 1; my $flags = 0 ; $flags |= FLAG_APPEND if $got->value('AppendOutput') ; $flags |= FLAG_CRC if $got->value('CRC32') ; $flags |= FLAG_ADLER if $got->value('ADLER32') ; $pkg->_createDeflateStream($flags, $got->value('Level'), $got->value('Method'), $got->value('WindowBits'), $got->value('MemLevel'), $got->value('Strategy'), $got->value('Bufsize'), ) ; } sub Compress::Raw::Zlib::inflateScanStream::inflate { my $self = shift ; my $buffer = $_[1]; my $eof = $_[2]; my $status = $self->scan(@_); if ($status == Z_OK() && $_[2]) { my $byte = ' '; $status = $self->scan(\$byte, $_[1]) ; } return $status ; } sub Compress::Raw::Zlib::deflateStream::deflateParams { my $self = shift ; my ($got) = ParseParameters(0, { 'Level' => [1, 1, Parse_signed, undef], 'Strategy' => [1, 1, Parse_unsigned, undef], 'Bufsize' => [1, 1, Parse_unsigned, undef], }, @_) ; croak "Compress::Raw::Zlib::deflateParams needs Level and/or Strategy" unless $got->parsed('Level') + $got->parsed('Strategy') + $got->parsed('Bufsize'); croak "Compress::Raw::Zlib::Inflate::deflateParams: Bufsize must be >= 1, you specified " . $got->value('Bufsize') if $got->parsed('Bufsize') && $got->value('Bufsize') <= 1; my $flags = 0; $flags |= 1 if $got->parsed('Level') ; $flags |= 2 if $got->parsed('Strategy') ; $flags |= 4 if $got->parsed('Bufsize') ; $self->_deflateParams($flags, $got->value('Level'), $got->value('Strategy'), $got->value('Bufsize')); } 1; __END__ =head1 NAME Compress::Raw::Zlib - Low-Level Interface to zlib compression library =head1 SYNOPSIS use Compress::Raw::Zlib ; ($d, $status) = new Compress::Raw::Zlib::Deflate( [OPT] ) ; $status = $d->deflate($input, $output) ; $status = $d->flush($output [, $flush_type]) ; $d->deflateReset() ; $d->deflateParams(OPTS) ; $d->deflateTune(OPTS) ; $d->dict_adler() ; $d->crc32() ; $d->adler32() ; $d->total_in() ; $d->total_out() ; $d->msg() ; $d->get_Strategy(); $d->get_Level(); $d->get_BufSize(); ($i, $status) = new Compress::Raw::Zlib::Inflate( [OPT] ) ; $status = $i->inflate($input, $output [, $eof]) ; $status = $i->inflateSync($input) ; $i->inflateReset() ; $i->dict_adler() ; $d->crc32() ; $d->adler32() ; $i->total_in() ; $i->total_out() ; $i->msg() ; $d->get_BufSize(); $crc = adler32($buffer [,$crc]) ; $crc = crc32($buffer [,$crc]) ; $crc = crc32_combine($crc1, $crc2, $len2); $adler = adler32_combine($adler1, $adler2, $len2); my $version = Compress::Raw::Zlib::zlib_version(); my $flags = Compress::Raw::Zlib::zlibCompileFlags(); =head1 DESCRIPTION The I module provides a Perl interface to the I compression library (see L for details about where to get I). =head1 Compress::Raw::Zlib::Deflate This section defines an interface that allows in-memory compression using the I interface provided by zlib. Here is a definition of the interface available: =head2 B<($d, $status) = new Compress::Raw::Zlib::Deflate( [OPT] ) > Initialises a deflation object. If you are familiar with the I library, it combines the features of the I functions C, C and C. If successful, it will return the initialised deflation object, C<$d> and a C<$status> of C in a list context. In scalar context it returns the deflation object, C<$d>, only. If not successful, the returned deflation object, C<$d>, will be I and C<$status> will hold the a I error code. The function optionally takes a number of named options specified as C<< Name => value >> pairs. This allows individual options to be tailored without having to specify them all in the parameter list. For backward compatibility, it is also possible to pass the parameters as a reference to a hash containing the name=>value pairs. Below is a list of the valid options: =over 5 =item B<-Level> Defines the compression level. Valid values are 0 through 9, C, C, C, and C. The default is C. =item B<-Method> Defines the compression method. The only valid value at present (and the default) is C. =item B<-WindowBits> To compress an RFC 1950 data stream, set C to a positive number between 8 and 15. To compress an RFC 1951 data stream, set C to C<-MAX_WBITS>. To compress an RFC 1952 data stream (i.e. gzip), set C to C. For a definition of the meaning and valid values for C refer to the I documentation for I. Defaults to C. =item B<-MemLevel> For a definition of the meaning and valid values for C refer to the I documentation for I. Defaults to MAX_MEM_LEVEL. =item B<-Strategy> Defines the strategy used to tune the compression. The valid values are C, C, C, C and C. The default is C. =item B<-Dictionary> When a dictionary is specified I will automatically call C directly after calling C. The Adler32 value for the dictionary can be obtained by calling the method C<$d-Edict_adler()>. The default is no dictionary. =item B<-Bufsize> Sets the initial size for the output buffer used by the C<$d-Edeflate> and C<$d-Eflush> methods. If the buffer has to be reallocated to increase the size, it will grow in increments of C. The default buffer size is 4096. =item B<-AppendOutput> This option controls how data is written to the output buffer by the C<$d-Edeflate> and C<$d-Eflush> methods. If the C option is set to false, the output buffers in the C<$d-Edeflate> and C<$d-Eflush> methods will be truncated before uncompressed data is written to them. If the option is set to true, uncompressed data will be appended to the output buffer in the C<$d-Edeflate> and C<$d-Eflush> methods. This option defaults to false. =item B<-CRC32> If set to true, a crc32 checksum of the uncompressed data will be calculated. Use the C<$d-Ecrc32> method to retrieve this value. This option defaults to false. =item B<-ADLER32> If set to true, an adler32 checksum of the uncompressed data will be calculated. Use the C<$d-Eadler32> method to retrieve this value. This option defaults to false. =back Here is an example of using the C optional parameter list to override the default buffer size and compression level. All other options will take their default values. my $d = new Compress::Raw::Zlib::Deflate ( -Bufsize => 300, -Level => Z_BEST_SPEED ) ; =head2 B<$status = $d-Edeflate($input, $output)> Deflates the contents of C<$input> and writes the compressed data to C<$output>. The C<$input> and C<$output> parameters can be either scalars or scalar references. When finished, C<$input> will be completely processed (assuming there were no errors). If the deflation was successful it writes the deflated data to C<$output> and returns a status value of C. On error, it returns a I error code. If the C option is set to true in the constructor for the C<$d> object, the compressed data will be appended to C<$output>. If it is false, C<$output> will be truncated before any compressed data is written to it. B: This method will not necessarily write compressed data to C<$output> every time it is called. So do not assume that there has been an error if the contents of C<$output> is empty on returning from this method. As long as the return code from the method is C, the deflate has succeeded. =head2 B<$status = $d-Eflush($output [, $flush_type]) > Typically used to finish the deflation. Any pending output will be written to C<$output>. Returns C if successful. Note that flushing can seriously degrade the compression ratio, so it should only be used to terminate a decompression (using C) or when you want to create a I (using C). By default the C used is C. Other valid values for C are C, C, C and C. It is strongly recommended that you only set the C parameter if you fully understand the implications of what it does. See the C documentation for details. If the C option is set to true in the constructor for the C<$d> object, the compressed data will be appended to C<$output>. If it is false, C<$output> will be truncated before any compressed data is written to it. =head2 B<$status = $d-EdeflateReset() > This method will reset the deflation object C<$d>. It can be used when you are compressing multiple data streams and want to use the same object to compress each of them. It should only be used once the previous data stream has been flushed successfully, i.e. a call to C<< $d->flush(Z_FINISH) >> has returned C. Returns C if successful. =head2 B<$status = $d-EdeflateParams([OPT])> Change settings for the deflate object C<$d>. The list of the valid options is shown below. Options not specified will remain unchanged. =over 5 =item B<-Level> Defines the compression level. Valid values are 0 through 9, C, C, C, and C. =item B<-Strategy> Defines the strategy used to tune the compression. The valid values are C, C and C. =item B<-BufSize> Sets the initial size for the output buffer used by the C<$d-Edeflate> and C<$d-Eflush> methods. If the buffer has to be reallocated to increase the size, it will grow in increments of C. =back =head2 B<$status = $d-EdeflateTune($good_length, $max_lazy, $nice_length, $max_chain)> Tune the internal settings for the deflate object C<$d>. This option is only available if you are running zlib 1.2.2.3 or better. Refer to the documentation in zlib.h for instructions on how to fly C. =head2 B<$d-Edict_adler()> Returns the adler32 value for the dictionary. =head2 B<$d-Ecrc32()> Returns the crc32 value for the uncompressed data to date. If the C option is not enabled in the constructor for this object, this method will always return 0; =head2 B<$d-Eadler32()> Returns the adler32 value for the uncompressed data to date. =head2 B<$d-Emsg()> Returns the last error message generated by zlib. =head2 B<$d-Etotal_in()> Returns the total number of bytes uncompressed bytes input to deflate. =head2 B<$d-Etotal_out()> Returns the total number of compressed bytes output from deflate. =head2 B<$d-Eget_Strategy()> Returns the deflation strategy currently used. Valid values are C, C and C. =head2 B<$d-Eget_Level()> Returns the compression level being used. =head2 B<$d-Eget_BufSize()> Returns the buffer size used to carry out the compression. =head2 Example Here is a trivial example of using C. It simply reads standard input, deflates it and writes it to standard output. use strict ; use warnings ; use Compress::Raw::Zlib ; binmode STDIN; binmode STDOUT; my $x = new Compress::Raw::Zlib::Deflate or die "Cannot create a deflation stream\n" ; my ($output, $status) ; while (<>) { $status = $x->deflate($_, $output) ; $status == Z_OK or die "deflation failed\n" ; print $output ; } $status = $x->flush($output) ; $status == Z_OK or die "deflation failed\n" ; print $output ; =head1 Compress::Raw::Zlib::Inflate This section defines an interface that allows in-memory uncompression using the I interface provided by zlib. Here is a definition of the interface: =head2 B< ($i, $status) = new Compress::Raw::Zlib::Inflate( [OPT] ) > Initialises an inflation object. In a list context it returns the inflation object, C<$i>, and the I status code (C<$status>). In a scalar context it returns the inflation object only. If successful, C<$i> will hold the inflation object and C<$status> will be C. If not successful, C<$i> will be I and C<$status> will hold the I error code. The function optionally takes a number of named options specified as C<< -Name => value >> pairs. This allows individual options to be tailored without having to specify them all in the parameter list. For backward compatibility, it is also possible to pass the parameters as a reference to a hash containing the C<< name=>value >> pairs. Here is a list of the valid options: =over 5 =item B<-WindowBits> To uncompress an RFC 1950 data stream, set C to a positive number between 8 and 15. To uncompress an RFC 1951 data stream, set C to C<-MAX_WBITS>. To uncompress an RFC 1952 data stream (i.e. gzip), set C to C. To auto-detect and uncompress an RFC 1950 or RFC 1952 data stream (i.e. gzip), set C to C. For a full definition of the meaning and valid values for C refer to the I documentation for I. Defaults to C. =item B<-Bufsize> Sets the initial size for the output buffer used by the C<$i-Einflate> method. If the output buffer in this method has to be reallocated to increase the size, it will grow in increments of C. Default is 4096. =item B<-Dictionary> The default is no dictionary. =item B<-AppendOutput> This option controls how data is written to the output buffer by the C<$i-Einflate> method. If the option is set to false, the output buffer in the C<$i-Einflate> method will be truncated before uncompressed data is written to it. If the option is set to true, uncompressed data will be appended to the output buffer by the C<$i-Einflate> method. This option defaults to false. =item B<-CRC32> If set to true, a crc32 checksum of the uncompressed data will be calculated. Use the C<$i-Ecrc32> method to retrieve this value. This option defaults to false. =item B<-ADLER32> If set to true, an adler32 checksum of the uncompressed data will be calculated. Use the C<$i-Eadler32> method to retrieve this value. This option defaults to false. =item B<-ConsumeInput> If set to true, this option will remove compressed data from the input buffer of the C<< $i->inflate >> method as the inflate progresses. This option can be useful when you are processing compressed data that is embedded in another file/buffer. In this case the data that immediately follows the compressed stream will be left in the input buffer. This option defaults to true. =item B<-LimitOutput> The C option changes the behavior of the C<< $i->inflate >> method so that the amount of memory used by the output buffer can be limited. When C is used the size of the output buffer used will either be the value of the C option or the amount of memory already allocated to C<$output>, whichever is larger. Predicting the output size available is tricky, so don't rely on getting an exact output buffer size. When C is not specified C<< $i->inflate >> will use as much memory as it takes to write all the uncompressed data it creates by uncompressing the input buffer. If C is enabled, the C option will also be enabled. This option defaults to false. See L for a discussion on why C is needed and how to use it. =back Here is an example of using an optional parameter to override the default buffer size. my ($i, $status) = new Compress::Raw::Zlib::Inflate( -Bufsize => 300 ) ; =head2 B< $status = $i-Einflate($input, $output [,$eof]) > Inflates the complete contents of C<$input> and writes the uncompressed data to C<$output>. The C<$input> and C<$output> parameters can either be scalars or scalar references. Returns C if successful and C if the end of the compressed data has been successfully reached. If not successful C<$status> will hold the I error code. If the C option has been set to true when the C object is created, the C<$input> parameter is modified by C. On completion it will contain what remains of the input buffer after inflation. In practice, this means that when the return status is C the C<$input> parameter will contain an empty string, and when the return status is C the C<$input> parameter will contains what (if anything) was stored in the input buffer after the deflated data stream. This feature is useful when processing a file format that encapsulates a compressed data stream (e.g. gzip, zip) and there is useful data immediately after the deflation stream. If the C option is set to true in the constructor for this object, the uncompressed data will be appended to C<$output>. If it is false, C<$output> will be truncated before any uncompressed data is written to it. The C<$eof> parameter needs a bit of explanation. Prior to version 1.2.0, zlib assumed that there was at least one trailing byte immediately after the compressed data stream when it was carrying out decompression. This normally isn't a problem because the majority of zlib applications guarantee that there will be data directly after the compressed data stream. For example, both gzip (RFC 1950) and zip both define trailing data that follows the compressed data stream. The C<$eof> parameter only needs to be used if B of the following conditions apply =over 5 =item 1 You are either using a copy of zlib that is older than version 1.2.0 or you want your application code to be able to run with as many different versions of zlib as possible. =item 2 You have set the C parameter to C<-MAX_WBITS> in the constructor for this object, i.e. you are uncompressing a raw deflated data stream (RFC 1951). =item 3 There is no data immediately after the compressed data stream. =back If B of these are the case, then you need to set the C<$eof> parameter to true on the final call (and only the final call) to C<$i-Einflate>. If you have built this module with zlib >= 1.2.0, the C<$eof> parameter is ignored. You can still set it if you want, but it won't be used behind the scenes. =head2 B<$status = $i-EinflateSync($input)> This method can be used to attempt to recover good data from a compressed data stream that is partially corrupt. It scans C<$input> until it reaches either a I or the end of the buffer. If a I is found, C is returned and C<$input> will be have all data up to the flush point removed. This data can then be passed to the C<$i-Einflate> method to be uncompressed. Any other return code means that a flush point was not found. If more data is available, C can be called repeatedly with more compressed data until the flush point is found. Note I are not present by default in compressed data streams. They must have been added explicitly when the data stream was created by calling C with C. =head2 B<$status = $i-EinflateReset() > This method will reset the inflation object C<$i>. It can be used when you are uncompressing multiple data streams and want to use the same object to uncompress each of them. Returns C if successful. =head2 B<$i-Edict_adler()> Returns the adler32 value for the dictionary. =head2 B<$i-Ecrc32()> Returns the crc32 value for the uncompressed data to date. If the C option is not enabled in the constructor for this object, this method will always return 0; =head2 B<$i-Eadler32()> Returns the adler32 value for the uncompressed data to date. If the C option is not enabled in the constructor for this object, this method will always return 0; =head2 B<$i-Emsg()> Returns the last error message generated by zlib. =head2 B<$i-Etotal_in()> Returns the total number of bytes compressed bytes input to inflate. =head2 B<$i-Etotal_out()> Returns the total number of uncompressed bytes output from inflate. =head2 B<$d-Eget_BufSize()> Returns the buffer size used to carry out the decompression. =head2 Examples Here is an example of using C. use strict ; use warnings ; use Compress::Raw::Zlib; my $x = new Compress::Raw::Zlib::Inflate() or die "Cannot create a inflation stream\n" ; my $input = '' ; binmode STDIN; binmode STDOUT; my ($output, $status) ; while (read(STDIN, $input, 4096)) { $status = $x->inflate($input, $output) ; print $output ; last if $status != Z_OK ; } die "inflation failed\n" unless $status == Z_STREAM_END ; The next example show how to use the C option. Notice the use of two nested loops in this case. The outer loop reads the data from the input source - STDIN and the inner loop repeatedly calls C until C<$input> is exhausted, we get an error, or the end of the stream is reached. One point worth remembering is by using the C option you also get C set as well - this makes the code below much simpler. use strict ; use warnings ; use Compress::Raw::Zlib; my $x = new Compress::Raw::Zlib::Inflate(LimitOutput => 1) or die "Cannot create a inflation stream\n" ; my $input = '' ; binmode STDIN; binmode STDOUT; my ($output, $status) ; OUTER: while (read(STDIN, $input, 4096)) { do { $status = $x->inflate($input, $output) ; print $output ; last OUTER unless $status == Z_OK || $status == Z_BUF_ERROR ; } while ($status == Z_OK && length $input); } die "inflation failed\n" unless $status == Z_STREAM_END ; =head1 CHECKSUM FUNCTIONS Two functions are provided by I to calculate checksums. For the Perl interface, the order of the two parameters in both functions has been reversed. This allows both running checksums and one off calculations to be done. $crc = adler32($buffer [,$crc]) ; $crc = crc32($buffer [,$crc]) ; The buffer parameters can either be a scalar or a scalar reference. If the $crc parameters is C, the crc value will be reset. If you have built this module with zlib 1.2.3 or better, two more CRC-related functions are available. $crc = crc32_combine($crc1, $crc2, $len2); $adler = adler32_combine($adler1, $adler2, $len2); These functions allow checksums to be merged. Refer to the I documentation for more details. =head1 Misc =head2 my $version = Compress::Raw::Zlib::zlib_version(); Returns the version of the zlib library. =head2 my $flags = Compress::Raw::Zlib::zlibCompileFlags(); Returns the flags indicating compile-time options that were used to build the zlib library. See the zlib documentation for a description of the flags returned by C. Note that when the zlib sources are built along with this module the C flags (bits 24, 25 and 26) should be ignored. If you are using zlib 1.2.0 or older, C will return 0. =head1 The LimitOutput option. By default C<< $i->inflate($input, $output) >> will uncompress I data in C<$input> and write I of the uncompressed data it has generated to C<$output>. This makes the interface to C much simpler - if the method has uncompressed C<$input> successfully I compressed data in C<$input> will have been dealt with. So if you are reading from an input source and uncompressing as you go the code will look something like this use strict ; use warnings ; use Compress::Raw::Zlib; my $x = new Compress::Raw::Zlib::Inflate() or die "Cannot create a inflation stream\n" ; my $input = '' ; my ($output, $status) ; while (read(STDIN, $input, 4096)) { $status = $x->inflate($input, $output) ; print $output ; last if $status != Z_OK ; } die "inflation failed\n" unless $status == Z_STREAM_END ; The points to note are =over 5 =item * The main processing loop in the code handles reading of compressed data from STDIN. =item * The status code returned from C will only trigger termination of the main processing loop if it isn't C. When C has not been used the C status means that the end of the compressed data stream has been reached or there has been an error in uncompression. =item * After the call to C I of the uncompressed data in C<$input> will have been processed. This means the subsequent call to C can overwrite it's contents without any problem. =back For most use-cases the behavior described above is acceptable (this module and it's predecessor, C, have used it for over 10 years without an issue), but in a few very specific use-cases the amount of memory required for C<$output> can prohibitively large. For example, if the compressed data stream contains the same pattern repeated thousands of times, a relatively small compressed data stream can uncompress into hundreds of megabytes. Remember C will keep allocating memory until I the uncompressed data has been written to the output buffer - the size of C<$output> is unbounded. The C option is designed to help with this use-case. The main difference in your code when using C is having to deal with cases where the C<$input> parameter still contains some uncompressed data that C hasn't processed yet. The status code returned from C will be C if uncompression took place and C if the output buffer is full. Below is typical code that shows how to use C. use strict ; use warnings ; use Compress::Raw::Zlib; my $x = new Compress::Raw::Zlib::Inflate(LimitOutput => 1) or die "Cannot create a inflation stream\n" ; my $input = '' ; binmode STDIN; binmode STDOUT; my ($output, $status) ; OUTER: while (read(STDIN, $input, 4096)) { do { $status = $x->inflate($input, $output) ; print $output ; last OUTER unless $status == Z_OK || $status == Z_BUF_ERROR ; } while ($status == Z_OK && length $input); } die "inflation failed\n" unless $status == Z_STREAM_END ; Points to note this time: =over 5 =item * There are now two nested loops in the code: the outer loop for reading the compressed data from STDIN, as before; and the inner loop to carry out the uncompression. =item * There are two exit points from the inner uncompression loop. Firstly when C has returned a status other than C or C. This means that either the end of the compressed data stream has been reached (C) or there is an error in the compressed data. In either of these cases there is no point in continuing with reading the compressed data, so both loops are terminated. The second exit point tests if there is any data left in the input buffer, C<$input> - remember that the C option is automatically enabled when C is used. When the input buffer has been exhausted, the outer loop can run again and overwrite a now empty C<$input>. =back =head1 ACCESSING ZIP FILES Although it is possible (with some effort on your part) to use this module to access .zip files, there are other perl modules available that will do all the hard work for you. Check out C, C, C and C. =head1 FAQ =head2 Compatibility with Unix compress/uncompress. This module is not compatible with Unix C. If you have the C program available, you can use this to read compressed files open F, "uncompress -c $filename |"; while () { ... Alternatively, if you have the C program available, you can use this to read compressed files open F, "gunzip -c $filename |"; while () { ... and this to write compress files, if you have the C program available open F, "| compress -c $filename "; print F "data"; ... close F ; =head2 Accessing .tar.Z files See previous FAQ item. If the C module is installed and either the C or C programs are available, you can use one of these workarounds to read C<.tar.Z> files. Firstly with C use strict; use warnings; use Archive::Tar; open F, "uncompress -c $filename |"; my $tar = Archive::Tar->new(*F); ... and this with C use strict; use warnings; use Archive::Tar; open F, "gunzip -c $filename |"; my $tar = Archive::Tar->new(*F); ... Similarly, if the C program is available, you can use this to write a C<.tar.Z> file use strict; use warnings; use Archive::Tar; use IO::File; my $fh = new IO::File "| compress -c >$filename"; my $tar = Archive::Tar->new(); ... $tar->write($fh); $fh->close ; =head2 Zlib Library Version Support By default C will build with a private copy of version 1.2.5 of the zlib library. (See the F file for details of how to override this behaviour) If you decide to use a different version of the zlib library, you need to be aware of the following issues =over 5 =item * First off, you must have zlib 1.0.5 or better. =item * You need to have zlib 1.2.1 or better if you want to use the C<-Merge> option with C, C and C. =back =head1 CONSTANTS All the I constants are automatically imported when you make use of I. =head1 SEE ALSO L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L L L, L, L, L For RFC 1950, 1951 and 1952 see L, L and L The I compression library was written by Jean-loup Gailly C and Mark Adler C. The primary site for the I compression library is L. The primary site for gzip is L. =head1 AUTHOR This module was written by Paul Marquess, C. =head1 MODIFICATION HISTORY See the Changes file. =head1 COPYRIGHT AND LICENSE Copyright (c) 2005-2018 Paul Marquess. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. PK!@YH)) Raw/Bzip2.pmnu[ package Compress::Raw::Bzip2; use strict ; use warnings ; require 5.006 ; require Exporter; use Carp ; use bytes ; our ($VERSION, $XS_VERSION, @ISA, @EXPORT, $AUTOLOAD); $VERSION = '2.081'; $XS_VERSION = $VERSION; $VERSION = eval $VERSION; @ISA = qw(Exporter); # Items to export into callers namespace by default. Note: do not export # names by default without a very good reason. Use EXPORT_OK instead. # Do not simply export all your public functions/methods/constants. @EXPORT = qw( BZ_RUN BZ_FLUSH BZ_FINISH BZ_OK BZ_RUN_OK BZ_FLUSH_OK BZ_FINISH_OK BZ_STREAM_END BZ_SEQUENCE_ERROR BZ_PARAM_ERROR BZ_MEM_ERROR BZ_DATA_ERROR BZ_DATA_ERROR_MAGIC BZ_IO_ERROR BZ_UNEXPECTED_EOF BZ_OUTBUFF_FULL BZ_CONFIG_ERROR ); sub AUTOLOAD { my($constname); ($constname = $AUTOLOAD) =~ s/.*:://; my ($error, $val) = constant($constname); Carp::croak $error if $error; no strict 'refs'; *{$AUTOLOAD} = sub { $val }; goto &{$AUTOLOAD}; } use constant FLAG_APPEND => 1 ; use constant FLAG_CRC => 2 ; use constant FLAG_ADLER => 4 ; use constant FLAG_CONSUME_INPUT => 8 ; eval { require XSLoader; XSLoader::load('Compress::Raw::Bzip2', $XS_VERSION); 1; } or do { require DynaLoader; local @ISA = qw(DynaLoader); bootstrap Compress::Raw::Bzip2 $XS_VERSION ; }; #sub Compress::Raw::Bzip2::new #{ # my $class = shift ; # my ($ptr, $status) = _new(@_); # return wantarray ? (undef, $status) : undef # unless $ptr ; # my $obj = bless [$ptr], $class ; # return wantarray ? ($obj, $status) : $obj; #} # #package Compress::Raw::Bunzip2 ; # #sub Compress::Raw::Bunzip2::new #{ # my $class = shift ; # my ($ptr, $status) = _new(@_); # return wantarray ? (undef, $status) : undef # unless $ptr ; # my $obj = bless [$ptr], $class ; # return wantarray ? ($obj, $status) : $obj; #} sub Compress::Raw::Bzip2::STORABLE_freeze { my $type = ref shift; croak "Cannot freeze $type object\n"; } sub Compress::Raw::Bzip2::STORABLE_thaw { my $type = ref shift; croak "Cannot thaw $type object\n"; } sub Compress::Raw::Bunzip2::STORABLE_freeze { my $type = ref shift; croak "Cannot freeze $type object\n"; } sub Compress::Raw::Bunzip2::STORABLE_thaw { my $type = ref shift; croak "Cannot thaw $type object\n"; } package Compress::Raw::Bzip2; 1; __END__ =head1 NAME Compress::Raw::Bzip2 - Low-Level Interface to bzip2 compression library =head1 SYNOPSIS use Compress::Raw::Bzip2 ; my ($bz, $status) = new Compress::Raw::Bzip2 [OPTS] or die "Cannot create bzip2 object: $bzerno\n"; $status = $bz->bzdeflate($input, $output); $status = $bz->bzflush($output); $status = $bz->bzclose($output); my ($bz, $status) = new Compress::Raw::Bunzip2 [OPTS] or die "Cannot create bunzip2 object: $bzerno\n"; $status = $bz->bzinflate($input, $output); my $version = Compress::Raw::Bzip2::bzlibversion(); =head1 DESCRIPTION C provides an interface to the in-memory compression/uncompression functions from the bzip2 compression library. Although the primary purpose for the existence of C is for use by the C and C modules, it can be used on its own for simple compression/uncompression tasks. =head1 Compression =head2 ($z, $status) = new Compress::Raw::Bzip2 $appendOutput, $blockSize100k, $workfactor; Creates a new compression object. If successful, it will return the initialised compression object, C<$z> and a C<$status> of C in a list context. In scalar context it returns the deflation object, C<$z>, only. If not successful, the returned compression object, C<$z>, will be I and C<$status> will hold the a I error code. Below is a list of the valid options: =over 5 =item B<$appendOutput> Controls whether the compressed data is appended to the output buffer in the C, C and C methods. Defaults to 1. =item B<$blockSize100k> To quote the bzip2 documentation blockSize100k specifies the block size to be used for compression. It should be a value between 1 and 9 inclusive, and the actual block size used is 100000 x this figure. 9 gives the best compression but takes most memory. Defaults to 1. =item B<$workfactor> To quote the bzip2 documentation This parameter controls how the compression phase behaves when presented with worst case, highly repetitive, input data. If compression runs into difficulties caused by repetitive data, the library switches from the standard sorting algorithm to a fallback algorithm. The fallback is slower than the standard algorithm by perhaps a factor of three, but always behaves reasonably, no matter how bad the input. Lower values of workFactor reduce the amount of effort the standard algorithm will expend before resorting to the fallback. You should set this parameter carefully; too low, and many inputs will be handled by the fallback algorithm and so compress rather slowly, too high, and your average-to-worst case compression times can become very large. The default value of 30 gives reasonable behaviour over a wide range of circumstances. Allowable values range from 0 to 250 inclusive. 0 is a special case, equivalent to using the default value of 30. Defaults to 0. =back =head2 $status = $bz->bzdeflate($input, $output); Reads the contents of C<$input>, compresses it and writes the compressed data to C<$output>. Returns C on success and a C error code on failure. If C is enabled in the constructor for the bzip2 object, the compressed data will be appended to C<$output>. If not enabled, C<$output> will be truncated before the compressed data is written to it. =head2 $status = $bz->bzflush($output); Flushes any pending compressed data to C<$output>. Returns C on success and a C error code on failure. =head2 $status = $bz->bzclose($output); Terminates the compressed data stream and flushes any pending compressed data to C<$output>. Returns C on success and a C error code on failure. =head2 Example =head1 Uncompression =head2 ($z, $status) = new Compress::Raw::Bunzip2 $appendOutput, $consumeInput, $small, $verbosity, $limitOutput; If successful, it will return the initialised uncompression object, C<$z> and a C<$status> of C in a list context. In scalar context it returns the deflation object, C<$z>, only. If not successful, the returned uncompression object, C<$z>, will be I and C<$status> will hold the a I error code. Below is a list of the valid options: =over 5 =item B<$appendOutput> Controls whether the compressed data is appended to the output buffer in the C, C and C methods. Defaults to 1. =item B<$consumeInput> =item B<$small> To quote the bzip2 documentation If small is nonzero, the library will use an alternative decompression algorithm which uses less memory but at the cost of decompressing more slowly (roughly speaking, half the speed, but the maximum memory requirement drops to around 2300k). Defaults to 0. =item B<$limitOutput> The C option changes the behavior of the C<< $i->bzinflate >> method so that the amount of memory used by the output buffer can be limited. When C is used the size of the output buffer used will either be the 16k or the amount of memory already allocated to C<$output>, whichever is larger. Predicting the output size available is tricky, so don't rely on getting an exact output buffer size. When C is not specified C<< $i->bzinflate >> will use as much memory as it takes to write all the uncompressed data it creates by uncompressing the input buffer. If C is enabled, the C option will also be enabled. This option defaults to false. =item B<$verbosity> This parameter is ignored. Defaults to 0. =back =head2 $status = $z->bzinflate($input, $output); Uncompresses C<$input> and writes the uncompressed data to C<$output>. Returns C if the uncompression was successful, but the end of the compressed data stream has not been reached. Returns C on successful uncompression and the end of the compression stream has been reached. If C is enabled in the constructor for the bunzip2 object, C<$input> will have all compressed data removed from it after uncompression. On C return this will mean that C<$input> will be an empty string; when C C<$input> will either be an empty string or will contain whatever data immediately followed the compressed data stream. If C is enabled in the constructor for the bunzip2 object, the uncompressed data will be appended to C<$output>. If not enabled, C<$output> will be truncated before the uncompressed data is written to it. =head1 Misc =head2 my $version = Compress::Raw::Bzip2::bzlibversion(); Returns the version of the underlying bzip2 library. =head1 Constants The following bzip2 constants are exported by this module BZ_RUN BZ_FLUSH BZ_FINISH BZ_OK BZ_RUN_OK BZ_FLUSH_OK BZ_FINISH_OK BZ_STREAM_END BZ_SEQUENCE_ERROR BZ_PARAM_ERROR BZ_MEM_ERROR BZ_DATA_ERROR BZ_DATA_ERROR_MAGIC BZ_IO_ERROR BZ_UNEXPECTED_EOF BZ_OUTBUFF_FULL BZ_CONFIG_ERROR =head1 SEE ALSO L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L L L, L, L, L The primary site for the bzip2 program is L. See the module L =head1 AUTHOR This module was written by Paul Marquess, C. =head1 MODIFICATION HISTORY See the Changes file. =head1 COPYRIGHT AND LICENSE Copyright (c) 2005-2018 Paul Marquess. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. PK!ELBzip2/Bzip2.sonuȯPK!ȃ\]]Bzip2/autosplit.ixnu[PK!EhhRaw/Zlib/Zlib.sonuȯPK!>̠-Raw/Bzip2/Bzip2.sonuȯPK!u1ěěBzip2.pmnu[PK!pG_  /Raw/Zlib.pmnu[PK!@YH)) BRaw/Bzip2.pmnu[PK!9