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mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00

First step of implementation of WL#1518 "make bundled zlib

usable for unix builds": zlib 1.2.1 imported


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VC++Files/zlib/zlib.dsp:
  Modified to suit zlib upgrade.
mysys/my_crc32.c:
  Modified to suit zlib upgrade.
zlib/ChangeLog:
  zlib 1.2.1 imported
zlib/FAQ:
  zlib 1.2.1 imported
zlib/INDEX:
  zlib 1.2.1 imported
zlib/README:
  zlib 1.2.1 imported
zlib/adler32.c:
  zlib 1.2.1 imported
zlib/algorithm.txt:
  zlib 1.2.1 imported
zlib/compress.c:
  zlib 1.2.1 imported
zlib/crc32.c:
  zlib 1.2.1 imported
zlib/deflate.c:
  zlib 1.2.1 imported
zlib/deflate.h:
  zlib 1.2.1 imported
zlib/gzio.c:
  zlib 1.2.1 imported
zlib/inffast.c:
  zlib 1.2.1 imported
zlib/inffast.h:
  zlib 1.2.1 imported
zlib/inffixed.h:
  zlib 1.2.1 imported
zlib/inflate.c:
  zlib 1.2.1 imported
zlib/inftrees.c:
  zlib 1.2.1 imported
zlib/inftrees.h:
  zlib 1.2.1 imported
zlib/trees.c:
  zlib 1.2.1 imported
zlib/uncompr.c:
  zlib 1.2.1 imported
zlib/zconf.h:
  zlib 1.2.1 imported
zlib/zlib.3:
  zlib 1.2.1 imported
zlib/zlib.h:
  zlib 1.2.1 imported
zlib/zutil.c:
  zlib 1.2.1 imported
zlib/zutil.h:
  zlib 1.2.1 imported
This commit is contained in:
unknown
2004-07-21 17:36:26 -07:00
parent 2f26571fdc
commit 9fe0a2fa8d
107 changed files with 5724 additions and 16653 deletions

View File

@ -1,6 +1,6 @@
/* inftrees.h -- header to use inftrees.c
* Copyright (C) 1995-2002 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
* Copyright (C) 1995-2003 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
@ -8,51 +8,48 @@
subject to change. Applications should only use zlib.h.
*/
/* Huffman code lookup table entry--this entry is four bytes for machines
that have 16-bit pointers (e.g. PC's in the small or medium model). */
/* Structure for decoding tables. Each entry provides either the
information needed to do the operation requested by the code that
indexed that table entry, or it provides a pointer to another
table that indexes more bits of the code. op indicates whether
the entry is a pointer to another table, a literal, a length or
distance, an end-of-block, or an invalid code. For a table
pointer, the low four bits of op is the number of index bits of
that table. For a length or distance, the low four bits of op
is the number of extra bits to get after the code. bits is
the number of bits in this code or part of the code to drop off
of the bit buffer. val is the actual byte to output in the case
of a literal, the base length or distance, or the offset from
the current table to the next table. Each entry is four bytes. */
typedef struct {
unsigned char op; /* operation, extra bits, table bits */
unsigned char bits; /* bits in this part of the code */
unsigned short val; /* offset in table or code value */
} code;
typedef struct inflate_huft_s FAR inflate_huft;
struct inflate_huft_s {
union {
struct {
Byte Exop; /* number of extra bits or operation */
Byte Bits; /* number of bits in this code or subcode */
} what;
uInt pad; /* pad structure to a power of 2 (4 bytes for */
} word; /* 16-bit, 8 bytes for 32-bit int's) */
uInt base; /* literal, length base, distance base,
or table offset */
};
/* op values as set by inflate_table():
00000000 - literal
0000tttt - table link, tttt != 0 is the number of table index bits
0001eeee - length or distance, eeee is the number of extra bits
01100000 - end of block
01000000 - invalid code
*/
/* Maximum size of dynamic tree. The maximum found in a long but non-
exhaustive search was 1004 huft structures (850 for length/literals
exhaustive search was 1004 code structures (850 for length/literals
and 154 for distances, the latter actually the result of an
exhaustive search). The actual maximum is not known, but the
value below is more than safe. */
#define MANY 1440
exhaustive search). The true maximum is not known, but the value
below is more than safe. */
#define ENOUGH 1440
#define MAXD 154
extern int inflate_trees_bits OF((
uIntf *, /* 19 code lengths */
uIntf *, /* bits tree desired/actual depth */
inflate_huft * FAR *, /* bits tree result */
inflate_huft *, /* space for trees */
z_streamp)); /* for messages */
/* Type of code to build for inftable() */
typedef enum {
CODES,
LENS,
DISTS
} codetype;
extern int inflate_trees_dynamic OF((
uInt, /* number of literal/length codes */
uInt, /* number of distance codes */
uIntf *, /* that many (total) code lengths */
uIntf *, /* literal desired/actual bit depth */
uIntf *, /* distance desired/actual bit depth */
inflate_huft * FAR *, /* literal/length tree result */
inflate_huft * FAR *, /* distance tree result */
inflate_huft *, /* space for trees */
z_streamp)); /* for messages */
extern int inflate_trees_fixed OF((
uIntf *, /* literal desired/actual bit depth */
uIntf *, /* distance desired/actual bit depth */
inflate_huft * FAR *, /* literal/length tree result */
inflate_huft * FAR *, /* distance tree result */
z_streamp)); /* for memory allocation */
extern int inflate_table OF((codetype type, unsigned short FAR *lens,
unsigned codes, code FAR * FAR *table,
unsigned FAR *bits, unsigned short FAR *work));