| /* |
| * 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, |
| |
| #define GZCRCPOLY 0xedb88320 |
| /* GZCRCPOLY = 0xedb88320UL, */ |
| |
| GZOSINFERNO = GZOSUNIX |
| }; |
