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- #ifndef __ARGS__
- # include "modern.h"
- #endif
- #define OF __ARGS__
- #ifndef WSIZE
- # include "zipdefs.h"
- #endif
- #ifndef zfree
- # include "zalloc.h"
- #endif
-
- #define MIN_MATCH 3
- #define MAX_MATCH 258
- /* The minimum and maximum match lengths */
-
- #define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)
- /* Minimum amount of lookahead, except at the end of the input file.
- See deflate.c for comments about the MIN_MATCH+1. */
-
- #define MAX_DIST (WSIZE-MIN_LOOKAHEAD)
- /* In order to simplify the code, particularly on 16 bit machines, match
- distances are limited to MAX_DIST instead of WSIZE. */
-
- extern int deflate_level;
- extern ulg compressed_len;
- extern void (*ziputbyte)__ARGS__((int));
- #define putbyte(b) (*ziputbyte)(b)
- #define putword(x) bi_putsh(x)
-
- #ifdef __OS2__
- # ifndef OS2
- # define OS2
- # endif
- #endif
- /* Diagnostic functions */
- #ifdef DEBUG
- # ifdef MSDOS
- # undef stderr
- # define stderr stdout
- # endif
- # ifdef OS2
- # undef stderr
- # define stderr stdout
- # endif
- # define Assert(cond,msg) {if(!(cond)) error(msg);}
- # define Trace(x) fprintf x
- # define Tracev(x) {if (verbose) fprintf x ;}
- # define Tracevv(x) {if (verbose>1) fprintf x ;}
- # define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
- # define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
- #else
- # define Assert(cond,msg)
- # define Trace(x)
- # define Tracev(x)
- # define Tracevv(x)
- # define Tracec(c,x)
- # define Tracecv(c,x)
- #endif
-
- /* in deflate.c */
- #ifdef DYN_ALLOC
- int lm_alloc OF((void));
- void lm_free OF((void));
- #endif
- int lm_init OF((void));
- int fast_deflate OF((char*, unsigned));
- int lazy_deflate OF((char*, unsigned));
-
- /* in trees.c */
- #ifdef DYN_ALLOC
- int ct_alloc OF((void));
- void ct_free OF((void));
- #endif
- int ct_init OF((void));
- int ct_tally OF((int dist, int lc));
- ulg flush_block OF((char far *buf, ulg stored_len, int eof));
-
- /* in bits.c */
- unsigned bi_reverse OF((unsigned value, int length));
- void bi_init OF((void));
- void send_bits OF((unsigned value, int length));
- void bi_windup OF((void));
- void bi_putsh OF((unsigned));
- void copy_block OF((char far *buf, unsigned len, int header));