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- /*
- * gzip header fields
- */
- enum
- {
- GZMAGIC1 = 0x1f,
- GZMAGIC2 = 0x8b,
- GZDEFLATE = 8,
- GZFTEXT = 1 << 0, /* file is text */
- GZFHCRC = 1 << 1, /* crc of header included */
- GZFEXTRA = 1 << 2, /* extra header included */
- GZFNAME = 1 << 3, /* name of file included */
- GZFCOMMENT = 1 << 4, /* header comment included */
- GZFMASK = (1 << 5) -1, /* mask of specified bits */
- GZXFAST = 2, /* used fast algorithm, little compression */
- GZXBEST = 4, /* used maximum compression algorithm */
- GZOSFAT = 0, /* FAT file system */
- GZOSAMIGA = 1, /* Amiga */
- GZOSVMS = 2, /* VMS or OpenVMS */
- GZOSUNIX = 3, /* Unix */
- GZOSVMCMS = 4, /* VM/CMS */
- GZOSATARI = 5, /* Atari TOS */
- GZOSHPFS = 6, /* HPFS file system */
- GZOSMAC = 7, /* Macintosh */
- GZOSZSYS = 8, /* Z-System */
- GZOSCPM = 9, /* CP/M */
- GZOSTOPS20 = 10, /* TOPS-20 */
- GZOSNTFS = 11, /* NTFS file system */
- GZOSQDOS = 12, /* QDOS */
- GZOSACORN = 13, /* Acorn RISCOS */
- GZOSUNK = 255,
- GZCRCPOLY = 0xedb88320UL,
- GZOSINFERNO = GZOSUNIX,
- };
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