mirror of
https://github.com/jart/cosmopolitan.git
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23d333c090
This change includes many bug fixes, for the NT polyfills, strings, memory, boot, and math libraries which were discovered by adding more tools for recreational programming, such as PC emulation. Lemon has also been vendored because it works so well at parsing languages.
159 lines
6.3 KiB
C
159 lines
6.3 KiB
C
#ifndef COSMOPOLITAN_LIBC_ZIP_H_
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#define COSMOPOLITAN_LIBC_ZIP_H_
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#include "libc/bits/bits.h"
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#include "libc/macros.h"
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#include "libc/str/str.h"
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/**
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* @fileoverview PKZIP Data Structures.
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*/
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#define kZipAlign 2
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#define kZipCosmopolitanVersion 1
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#define kZipOsDos 0
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#define kZipOsAmiga 1
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#define kZipOsOpenvms 2
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#define kZipOsUnix 3
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#define kZipOsVmcms 4
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#define kZipOsAtarist 5
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#define kZipOsOs2hpfs 6
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#define kZipOsMacintosh 7
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#define kZipOsZsystem 8
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#define kZipOsCpm 9
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#define kZipOsWindowsntfs 10
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#define kZipOsMvsos390zos 11
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#define kZipOsVse 12
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#define kZipOsAcornrisc 13
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#define kZipOsVfat 14
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#define kZipOsAltmvs 15
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#define kZipOsBeos 16
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#define kZipOsTandem 17
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#define kZipOsOs400 18
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#define kZipOsOsxdarwin 19
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#define kZipEra1989 10 /* PKZIP 1.0 */
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#define kZipEra1993 20 /* PKZIP 2.0: deflate/subdir/etc. support */
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#define kZipEra2001 45 /* PKZIP 4.5: kZipExtraZip64 support */
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#define kZipIattrBinary 0
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#define kZipIattrAscii 1
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#define kZipCompressionNone 0
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#define kZipCompressionDeflate 8
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#define kZipCdirHdrMagic 0x06054b50 /* PK♣♠ "PK\5\6" */
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#define kZipCdirHdrMinSize 22
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#define kZipCdirAlign 64 /* our choice; actually 2 */
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#define kZipCdirHdrLinkableSize \
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ROUNDUP(kZipCfileHdrMinSize + PATH_MAX, kZipCdirAlign)
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#define kZipCfileHdrMagic 0x02014b50 /* PK☺☻ "PK\1\2" */
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#define kZipCfileHdrMinSize 46
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#define kZipCfileOffsetGeneralflag 8
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#define kZipCfileOffsetCompressionmethod 10
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#define kZipCfileOffsetLastmodifiedtime 12
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#define kZipCfileOffsetLastmodifieddate 14
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#define kZipCfileOffsetCrc32 16
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#define kZipCfileOffsetCompressedsize 20
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#define kZipCfileOffsetExternalattributes 38
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#define kZipCfileOffsetOffset 42
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#define kZipLfileHdrMagic 0x04034b50 /* PK♥♦ "PK\3\4" */
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#define kZipLfileHdrMinSize 30
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#define kZipLfileOffsetGeneralflag 6
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#define kZipLfileOffsetCompressionmethod 8
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#define kZipLfileOffsetLastmodifiedtime 10
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#define kZipLfileOffsetLastmodifieddate 12
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#define kZipLfileOffsetCrc32 14
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#define kZipLfileOffsetCompressedsize 18
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#define kZipGflagUtf8 0x800
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#define kZipExtraHdrSize 4
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#define kZipExtraZip64 0x0001
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#define kZipExtraNtfs 0x000a
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#define kZipExtraNtfsFiletimes 0x0001
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#define kZipCfileMagic "PK\001\002"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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/* end of central directory record */
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#define ZIP_CDIR_MAGIC(P) READ32LE(P)
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#define ZIP_CDIR_DISK(P) READ16LE((P) + 4)
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#define ZIP_CDIR_STARTINGDISK(P) READ16LE((P) + 6)
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#define ZIP_CDIR_RECORDSONDISK(P) READ16LE((P) + 8)
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#define ZIP_CDIR_RECORDS(P) READ16LE((P) + 10)
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#define ZIP_CDIR_SIZE(P) READ32LE((P) + 12)
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#define ZIP_CDIR_OFFSET(P) READ32LE((P) + 16)
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#define ZIP_CDIR_COMMENTSIZE(P) READ16LE((P) + 20)
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#define ZIP_CDIR_COMMENT(P) (&(P)[22])
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#define ZIP_CDIR_HDRSIZE(P) (ZIP_CDIR_COMMENTSIZE(P) + kZipCdirHdrMinSize)
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/* central directory file header */
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#define ZIP_CFILE_MAGIC(P) READ32LE(P)
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#define ZIP_CFILE_VERSIONMADE(P) ((P)[4])
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#define ZIP_CFILE_FILEATTRCOMPAT(P) ((P)[5])
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#define ZIP_CFILE_VERSIONNEED(P) ((P)[6])
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#define ZIP_CFILE_OSNEED(P) ((P)[7])
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#define ZIP_CFILE_GENERALFLAG(P) READ16LE((P) + kZipCfileOffsetGeneralflag)
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#define ZIP_CFILE_COMPRESSIONMETHOD(P) \
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READ16LE((P) + kZipCfileOffsetCompressionmethod)
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#define ZIP_CFILE_LASTMODIFIEDTIME(P) \
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READ16LE((P) + kZipCfileOffsetLastmodifiedtime) /* @see DOS_TIME() */
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#define ZIP_CFILE_LASTMODIFIEDDATE(P) \
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READ16LE((P) + kZipCfileOffsetLastmodifieddate) /* @see DOS_DATE() */
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#define ZIP_CFILE_CRC32(P) READ32LE((P) + kZipCfileOffsetCrc32)
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#define ZIP_CFILE_COMPRESSEDSIZE(P) READ32LE(P + kZipCfileOffsetCompressedsize)
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#define ZIP_CFILE_UNCOMPRESSEDSIZE(P) READ32LE((P) + 24)
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#define ZIP_CFILE_NAMESIZE(P) READ16LE((P) + 28)
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#define ZIP_CFILE_EXTRASIZE(P) READ16LE((P) + 30)
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#define ZIP_CFILE_COMMENTSIZE(P) READ16LE((P) + 32)
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#define ZIP_CFILE_DISK(P) READ16LE((P) + 34)
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#define ZIP_CFILE_INTERNALATTRIBUTES(P) READ16LE((P) + 36)
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#define ZIP_CFILE_EXTERNALATTRIBUTES(P) \
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READ32LE((P) + kZipCfileOffsetExternalattributes)
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#define ZIP_CFILE_OFFSET(P) READ32LE((P) + kZipCfileOffsetOffset)
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#define ZIP_CFILE_NAME(P) ((const char *)(&(P)[46])) /* not nul-terminated */
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#define ZIP_CFILE_EXTRA(P) (&(P)[46 + ZIP_CFILE_NAMESIZE(P)])
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#define ZIP_CFILE_COMMENT(P) \
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(&(P)[46 + ZIP_CFILE_NAMESIZE(P) + ZIP_CFILE_EXTRASIZE(P)])
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#define ZIP_CFILE_HDRSIZE(P) \
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(ZIP_CFILE_NAMESIZE(P) + ZIP_CFILE_EXTRASIZE(P) + ZIP_CFILE_COMMENTSIZE(P) + \
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kZipCfileHdrMinSize)
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/* central directory file header */
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#define ZIP_LFILE_MAGIC(P) READ32LE(P)
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#define ZIP_LFILE_VERSIONNEED(P) ((P)[4])
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#define ZIP_LFILE_OSNEED(P) ((P)[5])
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#define ZIP_LFILE_GENERALFLAG(P) READ16LE((P) + kZipLfileOffsetGeneralflag)
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#define ZIP_LFILE_COMPRESSIONMETHOD(P) \
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READ16LE((P) + kZipLfileOffsetCompressionmethod)
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#define ZIP_LFILE_LASTMODIFIEDTIME(P) \
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READ16LE((P) + kZipLfileOffsetLastmodifiedtime) /* @see DOS_TIME() */
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#define ZIP_LFILE_LASTMODIFIEDDATE(P) \
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READ16LE((P) + kZipLfileOffsetLastmodifieddate) /* @see DOS_DATE() */
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#define ZIP_LFILE_CRC32(P) READ32LE((P) + kZipLfileOffsetCrc32)
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#define ZIP_LFILE_COMPRESSEDSIZE(P) \
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READ32LE((P) + kZipLfileOffsetCompressedsize)
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#define ZIP_LFILE_UNCOMPRESSEDSIZE(P) READ32LE((P) + 22)
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#define ZIP_LFILE_NAMESIZE(P) READ16LE((P) + 26)
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#define ZIP_LFILE_EXTRASIZE(P) READ16LE((P) + 28)
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#define ZIP_LFILE_NAME(P) ((const char *)(&(P)[30]))
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#define ZIP_LFILE_EXTRA(P) (&(P)[30 + ZIP_LFILE_NAMESIZE(P)])
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#define ZIP_LFILE_HDRSIZE(P) \
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(ZIP_LFILE_NAMESIZE(P) + ZIP_LFILE_EXTRASIZE(P) + kZipLfileHdrMinSize)
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#define ZIP_LFILE_CONTENT(P) ((P) + ZIP_LFILE_HDRSIZE(P))
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#define ZIP_LFILE_SIZE(P) (ZIP_LFILE_HDRSIZE(P) + ZIP_LFILE_COMPRESSEDSIZE(P))
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#define ZIP_EXTRA_HEADERID(P) READ16LE(P)
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#define ZIP_EXTRA_CONTENTSIZE(P) READ16LE((P) + 2)
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#define ZIP_EXTRA_CONTENT(P) (&(P)[4])
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#define ZIP_EXTRA_SIZE(P) (ZIP_EXTRA_CONTENTSIZE(P) + kZipExtraHdrSize)
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uint8_t *zipfindcentraldir(const uint8_t *, size_t);
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_ZIP_H_ */
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