From 56bcb184fac036a45cb8937238d51778d0a796aa Mon Sep 17 00:00:00 2001 From: Mark Adler Date: Fri, 9 Sep 2011 23:11:37 -0700 Subject: zlib 0.99 --- infutil.h | 29 ++++++++++++++++++----------- 1 file changed, 18 insertions(+), 11 deletions(-) (limited to 'infutil.h') diff --git a/infutil.h b/infutil.h index 4c8c2d2..c4809a9 100644 --- a/infutil.h +++ b/infutil.h @@ -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)<>=(j);k-=(j);} /* output bytes */ -#define WAVAIL (qread?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)(qread?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 -- cgit v1.2.3-55-g6feb