lib/zlib/inflate.h

3  * For conditions of distribution and use, see copyright notice in zlib.h
13    the crc code when it is not needed.  For shared libraries, gzip decoding
21     HEAD,       /* i: waiting for magic header */
22     FLAGS,      /* i: waiting for method and flags (gzip) */
23     TIME,       /* i: waiting for modification time (gzip) */
24     OS,         /* i: waiting for extra flags and operating system (gzip) */
25     EXLEN,      /* i: waiting for extra length (gzip) */
26     EXTRA,      /* i: waiting for extra bytes (gzip) */
27     NAME,       /* i: waiting for end of file name (gzip) */
28     COMMENT,    /* i: waiting for end of comment (gzip) */
29     HCRC,       /* i: waiting for header crc (gzip) */
30     DICTID,     /* i: waiting for dictionary check value */
31     DICT,       /* waiting for inflateSetDictionary() call */
32         TYPE,       /* i: waiting for type bits, including last-flag bit */
34         STORED,     /* i: waiting for stored size (length and complement) */
35         COPY,       /* i/o: waiting for input or output to copy stored block */
36         TABLE,      /* i: waiting for dynamic block table lengths */
37         LENLENS,    /* i: waiting for code length code lengths */
38         CODELENS,   /* i: waiting for length/lit and distance code lengths */
39             LEN,        /* i: waiting for length/lit code */
40             LENEXT,     /* i: waiting for length extra bits */
41             DIST,       /* i: waiting for distance code */
42             DISTEXT,    /* i: waiting for distance extra bits */
43             MATCH,      /* o: waiting for output space to copy string */
44             LIT,        /* o: waiting for output space to write literal */
45     CHECK,      /* i: waiting for 32-bit check value */
46     LENGTH,     /* i: waiting for 32-bit length (gzip) */
50     SYNC        /* looking for synchronization bytes to restart inflate() */
56     (most modes can go to the BAD or MEM mode -- not shown for clarity)
80     int wrap;                   /* bit 0 true for zlib, bit 1 true for gzip */
96         /* for string and stored block copying */
99         /* for table and code decoding */
102     code const FAR *lencode;    /* starting table for length/literal codes */
103     code const FAR *distcode;   /* starting table for distance codes */
104     unsigned lenbits;           /* index bits for lencode */
105     unsigned distbits;          /* index bits for distcode */
112     unsigned short lens[320];   /* temporary storage for code lengths */
113     unsigned short work[288];   /* work area for code table building */
114     code codes[ENOUGH];         /* space for code tables */