istereo2
diff libs/zlib/inftrees.h @ 2:81d35769f546
added the tunnel effect source
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Sat, 19 Sep 2015 05:51:51 +0300 |
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1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/libs/zlib/inftrees.h Sat Sep 19 05:51:51 2015 +0300 1.3 @@ -0,0 +1,55 @@ 1.4 +/* inftrees.h -- header to use inftrees.c 1.5 + * Copyright (C) 1995-2005 Mark Adler 1.6 + * For conditions of distribution and use, see copyright notice in zlib.h 1.7 + */ 1.8 + 1.9 +/* WARNING: this file should *not* be used by applications. It is 1.10 + part of the implementation of the compression library and is 1.11 + subject to change. Applications should only use zlib.h. 1.12 + */ 1.13 + 1.14 +/* Structure for decoding tables. Each entry provides either the 1.15 + information needed to do the operation requested by the code that 1.16 + indexed that table entry, or it provides a pointer to another 1.17 + table that indexes more bits of the code. op indicates whether 1.18 + the entry is a pointer to another table, a literal, a length or 1.19 + distance, an end-of-block, or an invalid code. For a table 1.20 + pointer, the low four bits of op is the number of index bits of 1.21 + that table. For a length or distance, the low four bits of op 1.22 + is the number of extra bits to get after the code. bits is 1.23 + the number of bits in this code or part of the code to drop off 1.24 + of the bit buffer. val is the actual byte to output in the case 1.25 + of a literal, the base length or distance, or the offset from 1.26 + the current table to the next table. Each entry is four bytes. */ 1.27 +typedef struct { 1.28 + unsigned char op; /* operation, extra bits, table bits */ 1.29 + unsigned char bits; /* bits in this part of the code */ 1.30 + unsigned short val; /* offset in table or code value */ 1.31 +} code; 1.32 + 1.33 +/* op values as set by inflate_table(): 1.34 + 00000000 - literal 1.35 + 0000tttt - table link, tttt != 0 is the number of table index bits 1.36 + 0001eeee - length or distance, eeee is the number of extra bits 1.37 + 01100000 - end of block 1.38 + 01000000 - invalid code 1.39 + */ 1.40 + 1.41 +/* Maximum size of dynamic tree. The maximum found in a long but non- 1.42 + exhaustive search was 1444 code structures (852 for length/literals 1.43 + and 592 for distances, the latter actually the result of an 1.44 + exhaustive search). The true maximum is not known, but the value 1.45 + below is more than safe. */ 1.46 +#define ENOUGH 2048 1.47 +#define MAXD 592 1.48 + 1.49 +/* Type of code to build for inftable() */ 1.50 +typedef enum { 1.51 + CODES, 1.52 + LENS, 1.53 + DISTS 1.54 +} codetype; 1.55 + 1.56 +extern int inflate_table OF((codetype type, unsigned short FAR *lens, 1.57 + unsigned codes, code FAR * FAR *table, 1.58 + unsigned FAR *bits, unsigned short FAR *work));