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zlib 0.99

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This commit is contained in:
Mark Adler
2011-09-09 23:11:37 -07:00
parent 25e5325501
commit 56bcb184fa
33 changed files with 1833 additions and 775 deletions
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29
infutil.h
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@@ -1,5 +1,5 @@
/* infutil.h -- types and macros common to blocks and codes
* Copyright (C) 1995 Mark Adler
* Copyright (C) 1995-1996 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@@ -8,11 +8,10 @@
subject to change. Applications should only use zlib.h.
*/
/* inflate blocks semi-private state */
struct inflate_blocks_state {
#ifndef _INFUTIL_H
#define _INFUTIL_H
/* mode */
enum {
typedef enum {
TYPE, /* get type bits (3, including end bit) */
LENS, /* get lengths for stored */
STORED, /* processing stored block */
@@ -23,7 +22,13 @@ struct inflate_blocks_state {
DRY, /* output remaining window bytes */
DONE, /* finished last block, done */
BAD} /* got a data error--stuck here */
mode; /* current inflate_block mode */
inflate_block_mode;
/* inflate blocks semi-private state */
struct inflate_blocks_state {
/* mode */
inflate_block_mode mode; /* current inflate_block mode */
/* mode dependent information */
union {
@@ -70,17 +75,17 @@ struct inflate_blocks_state {
#define NEEDBITS(j) {while(k<(j)){NEEDBYTE;b|=((uLong)NEXTBYTE)<<k;k+=8;}}
#define DUMPBITS(j) {b>>=(j);k-=(j);}
/* output bytes */
#define WAVAIL (q<s->read?s->read-q-1:s->end-q)
#define LOADOUT {q=s->write;m=WAVAIL;}
#define WRAP {if(q==s->end&&s->read!=s->window){q=s->window;m=WAVAIL;}}
#define WAVAIL (uInt)(q<s->read?s->read-q-1:s->end-q)
#define LOADOUT {q=s->write;m=(uInt)WAVAIL;}
#define WRAP {if(q==s->end&&s->read!=s->window){q=s->window;m=(uInt)WAVAIL;}}
#define FLUSH {UPDOUT r=inflate_flush(s,z,r); LOADOUT}
#define NEEDOUT {if(m==0){WRAP if(m==0){FLUSH WRAP if(m==0) LEAVE}}r=Z_OK;}
#define OUTBYTE(a) {*q++=(Byte)(a);m--;}
/* load local pointers */
#define LOAD {LOADIN LOADOUT}
/* masks for lower bits */
extern uInt inflate_mask[];
/* masks for lower bits (size given to avoid silly warnings with Visual C++) */
extern uInt inflate_mask[17];
/* copy as much as possible from the sliding window to the output area */
extern int inflate_flush OF((
@@ -89,3 +94,5 @@ extern int inflate_flush OF((
int));
struct internal_state {int dummy;}; /* for buggy compilers */
#endif