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author | David Walter Seikel | 2013-01-13 17:24:39 +1000 |
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committer | David Walter Seikel | 2013-01-13 17:24:39 +1000 |
commit | 393b5cd1dc438872af89d334ef6e5fcc59f27d47 (patch) | |
tree | 6a14521219942a08a1b95cb2f5a923a9edd60f63 /libraries/irrlicht-1.8/source/Irrlicht/zlib/inftrees.h | |
parent | Add a note about rasters suggested start up code. (diff) | |
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Added Irrlicht 1.8, but without all the Windows binaries.
Diffstat (limited to 'libraries/irrlicht-1.8/source/Irrlicht/zlib/inftrees.h')
-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/zlib/inftrees.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/zlib/inftrees.h b/libraries/irrlicht-1.8/source/Irrlicht/zlib/inftrees.h new file mode 100644 index 0000000..a685d8c --- /dev/null +++ b/libraries/irrlicht-1.8/source/Irrlicht/zlib/inftrees.h | |||
@@ -0,0 +1,62 @@ | |||
1 | /* inftrees.h -- header to use inftrees.c | ||
2 | * Copyright (C) 1995-2005, 2010 Mark Adler | ||
3 | * For conditions of distribution and use, see copyright notice in zlib.h | ||
4 | */ | ||
5 | |||
6 | /* WARNING: this file should *not* be used by applications. It is | ||
7 | part of the implementation of the compression library and is | ||
8 | subject to change. Applications should only use zlib.h. | ||
9 | */ | ||
10 | |||
11 | /* Structure for decoding tables. Each entry provides either the | ||
12 | information needed to do the operation requested by the code that | ||
13 | indexed that table entry, or it provides a pointer to another | ||
14 | table that indexes more bits of the code. op indicates whether | ||
15 | the entry is a pointer to another table, a literal, a length or | ||
16 | distance, an end-of-block, or an invalid code. For a table | ||
17 | pointer, the low four bits of op is the number of index bits of | ||
18 | that table. For a length or distance, the low four bits of op | ||
19 | is the number of extra bits to get after the code. bits is | ||
20 | the number of bits in this code or part of the code to drop off | ||
21 | of the bit buffer. val is the actual byte to output in the case | ||
22 | of a literal, the base length or distance, or the offset from | ||
23 | the current table to the next table. Each entry is four bytes. */ | ||
24 | typedef struct { | ||
25 | unsigned char op; /* operation, extra bits, table bits */ | ||
26 | unsigned char bits; /* bits in this part of the code */ | ||
27 | unsigned short val; /* offset in table or code value */ | ||
28 | } code; | ||
29 | |||
30 | /* op values as set by inflate_table(): | ||
31 | 00000000 - literal | ||
32 | 0000tttt - table link, tttt != 0 is the number of table index bits | ||
33 | 0001eeee - length or distance, eeee is the number of extra bits | ||
34 | 01100000 - end of block | ||
35 | 01000000 - invalid code | ||
36 | */ | ||
37 | |||
38 | /* Maximum size of the dynamic table. The maximum number of code structures is | ||
39 | 1444, which is the sum of 852 for literal/length codes and 592 for distance | ||
40 | codes. These values were found by exhaustive searches using the program | ||
41 | examples/enough.c found in the zlib distribtution. The arguments to that | ||
42 | program are the number of symbols, the initial root table size, and the | ||
43 | maximum bit length of a code. "enough 286 9 15" for literal/length codes | ||
44 | returns returns 852, and "enough 30 6 15" for distance codes returns 592. | ||
45 | The initial root table size (9 or 6) is found in the fifth argument of the | ||
46 | inflate_table() calls in inflate.c and infback.c. If the root table size is | ||
47 | changed, then these maximum sizes would be need to be recalculated and | ||
48 | updated. */ | ||
49 | #define ENOUGH_LENS 852 | ||
50 | #define ENOUGH_DISTS 592 | ||
51 | #define ENOUGH (ENOUGH_LENS+ENOUGH_DISTS) | ||
52 | |||
53 | /* Type of code to build for inflate_table() */ | ||
54 | typedef enum { | ||
55 | CODES, | ||
56 | LENS, | ||
57 | DISTS | ||
58 | } codetype; | ||
59 | |||
60 | int ZLIB_INTERNAL inflate_table OF((codetype type, unsigned short FAR *lens, | ||
61 | unsigned codes, code FAR * FAR *table, | ||
62 | unsigned FAR *bits, unsigned short FAR *work)); | ||