This is zip.h in view mode; [Download] [Up]
/*
Copyright (C) 1990-1992 Mark Adler, Richard B. Wales, Jean-loup Gailly,
Kai Uwe Rommel and Igor Mandrichenko.
Permission is granted to any individual or institution to use, copy, or
redistribute this software so long as all of the original files are included
unmodified, that it is not sold for profit, and that this copyright notice
is retained.
*/
/*
* zip.h by Mark Adler.
*/
/* Set up portability */
#include "tailor.h"
#define MIN_MATCH 3
#define MAX_MATCH 258
/* The minimum and maximum match lengths */
#ifndef WSIZE
# define WSIZE ((unsigned)32768)
#endif
/* Maximum window size = 32K. If you are really short of memory, compile
* with a smaller WSIZE but this reduces the compression ratio for files
* of size > WSIZE. WSIZE must be a power of two in the current implementation.
*/
#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.
*/
/* Define malloc() and string functions */
#ifdef MODERN
# include <string.h>
#else /* !MODERN */
voidp *malloc();
char *getenv();
long atol();
char *strcpy();
char *strcat();
char *strchr();
char *strrchr();
# ifndef ZMEM
char *memset();
char *memcpy();
# endif /* !ZMEM */
#endif /* ?MODERN */
/* Define fseek() commands */
#ifndef SEEK_SET
# define SEEK_SET 0
#endif /* !SEEK_SET */
#ifndef SEEK_CUR
# define SEEK_CUR 1
#endif /* !SEEK_CUR */
/* Forget FILENAME_MAX (incorrectly = 14 on some System V) */
#ifdef MSDOS
# define FNMAX 256
#else /* !MSDOS */
# define FNMAX 1024
#endif /* ?MSDOS */
/* For setting stdout to binary */
#ifdef MSDOS
# include <io.h>
# include <fcntl.h>
#endif /* MSDOS */
/* Types centralized here for easy modification */
#define local static /* More meaningful outside functions */
typedef unsigned char uch; /* unsigned 8-bit value */
typedef unsigned short ush; /* unsigned 16-bit value */
typedef unsigned long ulg; /* unsigned 32-bit value */
/* Lengths of headers after signatures in bytes */
#define LOCHEAD 26
#define CENHEAD 42
#define ENDHEAD 18
/* Structures for in-memory file information */
struct zlist {
/* See central header in zipfile.c for what vem..off are */
ush vem, ver, flg, how;
ulg tim, crc, siz, len;
extent nam, ext, cext, com; /* offset of ext must be >= LOCHEAD */
ush dsk, att, lflg; /* offset of lflg must be >= LOCHEAD */
ulg atx, off;
char *name; /* File name in zip file */
char *extra; /* Extra field (set only if ext != 0) */
char *cextra; /* Extra in central (set only if cext != 0) */
char *comment; /* Comment (set only if com != 0) */
char *zname; /* Name for new zip file header */
int mark; /* Marker for files to operate on */
int trash; /* Marker for files to delete */
int dosflag; /* Set to force MSDOS file attributes */
struct zlist far *nxt; /* Pointer to next header in list */
};
struct flist {
char *name; /* Pointer to zero-delimited name */
char *zname; /* Name used for zip file headers */
int dosflag; /* Set to force MSDOS file attributes */
struct flist far * far *lst; /* Pointer to link pointing here */
struct flist far *nxt; /* Link to next name */
};
/* internal file attribute */
#define UNKNOWN (-1)
#define BINARY 0
#define ASCII 1
/* Error return codes and PERR macro */
#include "ziperr.h"
/* Public globals */
extern uch upper[256]; /* Country dependent case map table */
extern uch lower[256];
extern char errbuf[]; /* Handy place to build error messages */
extern int recurse; /* Recurse into directories encountered */
extern int pathput; /* Store path with name */
#define BEST -1 /* Use best method (deflation or store) */
#define STORE 0 /* Store method */
#define DEFLATE 8 /* Deflation method*/
extern int method; /* Restriction on compression method */
extern int dosify; /* Make new entries look like MSDOS */
extern char *special; /* Don't compress special suffixes */
extern int verbose; /* Report oddities in zip file structure */
extern int level; /* Compression level */
extern int translate_eol; /* Translate end-of-line LF -> CR LF */
#ifdef VMS
extern int vmsver; /* Append VMS version number to file names */
extern int vms_native; /* Store in VMS formait */
#endif /* VMS */
#ifdef OS2
extern int use_longname_ea; /* use the .LONGNAME EA as the file's name */
#endif /* OS2 */
extern int linkput; /* Store symbolic links as such */
extern int noisy; /* False for quiet operation */
extern char *key; /* Scramble password or NULL */
extern char *tempath; /* Path for temporary files */
extern FILE *mesg; /* Where informational output goes */
extern char *zipfile; /* New or existing zip archive (zip file) */
extern ulg zipbeg; /* Starting offset of zip structures */
extern ulg cenbeg; /* Starting offset of central directory */
extern struct zlist far *zfiles;/* Pointer to list of files in zip file */
extern extent zcount; /* Number of files in zip file */
extern extent zcomlen; /* Length of zip file comment */
extern char *zcomment; /* Zip file comment (not zero-terminated) */
extern struct zlist far **zsort;/* List of files sorted by name */
extern ulg tempzn; /* Count of bytes written to output zip file */
extern struct flist far *found; /* List of names found */
extern struct flist far * far *fnxt; /* Where to put next in found list */
extern extent fcount; /* Count of names in found list */
/* Diagnostic functions */
#ifdef DEBUG
# ifdef MSDOS
# undef stderr
# define stderr stdout
# endif
# define diag(where) fprintf(stderr, "zip diagnostic: %s\n", where)
# 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 diag(where)
# define Assert(cond,msg)
# define Trace(x)
# define Tracev(x)
# define Tracevv(x)
# define Tracec(c,x)
# define Tracecv(c,x)
#endif
/* Public function prototypes */
/* in zip.c, zipcloak.c, or zipsplit.c */
void warn OF((char *, char *));
void err OF((int c, char *h));
void error OF((char *h));
/* in zipup.c */
int zipcopy OF((struct zlist far *, FILE *, FILE *));
#ifndef UTIL
int percent OF((long, long));
int zipup OF((struct zlist far *, FILE *));
int file_read OF((char *buf, unsigned size));
#endif /* !UTIL */
/* in zipfile.c */
#ifndef UTIL
struct zlist far *zsearch OF((char *));
int trash OF((void));
#endif /* !UTIL */
char *ziptyp OF((char *));
int readzipfile OF((void));
int putlocal OF((struct zlist far *, FILE *));
int putextended OF((struct zlist far *, FILE *));
int putcentral OF((struct zlist far *, FILE *));
int putend OF((int, ulg, ulg, extent, char *, FILE *));
/* in fileio.c */
#ifndef UTIL
# ifdef MSDOS
int wild OF((char *));
# endif /* MSDOS */
# ifdef VMS
int wild OF((char *));
# endif /* VMS */
char *getnam OF((char *));
struct flist far *fexpel OF((struct flist far *));
char *in2ex OF((char *));
int exclude OF((void));
int procname OF((char *));
void stamp OF((char *, ulg));
ulg dostime OF((int, int, int, int, int, int));
ulg filetime OF((char *, ulg *, long *));
int issymlnk OF((ulg a));
# ifdef S_IFLNK
# define rdsymlnk(p,b,n) readlink(p,b,n)
extern int readlink OF((char *, char *, int));
# else /* !S_IFLNK */
# define rdsymlnk(p,b,n) (0)
# endif /* !S_IFLNK */
int deletedir OF((char *));
#endif /* !UTIL */
int destroy OF((char *));
int replace OF((char *, char *));
int getfileattr OF((char *));
int setfileattr OF((char *, int));
char *tempname OF((char *));
int fcopy OF((FILE *, FILE *, ulg));
#ifdef CRYPT
# ifndef MSVMS
void echoff OF((int));
void echon OF((void));
# endif /* !MSVMS */
char *getp OF((char *, char *, int));
#endif /* !CRYPT */
#ifdef ZMEM
char *memset OF((char *, int, unsigned int));
char *memcpy OF((char *, char *, unsigned int));
int memcmp OF((char *, char *, unsigned int));
#endif /* ZMEM */
/* in crypt.c */
#ifndef CRYPT
# define zfwrite fwrite
# define zputc putc
#else /* CRYPT */
void crypthead OF((char *, ulg, FILE *));
# ifdef UTIL
int zipcloak OF ((struct zlist far *, FILE *, FILE *, char *));
int zipbare OF ((struct zlist far *, FILE *, FILE *, char *));
# else /* !UTIL */
unsigned zfwrite OF((voidp *, extent, extent, FILE *));
int zencode OF((int c));
extern char *key;
# define zputc(c,f) (putc(key!=NULL? zencode(c) : (c),(f)))
# endif /* ?UTIL */
#endif /* ?CRYPT */
/* in util.c */
char *isshexp OF((char *));
int shmatch OF((char *, char *));
#ifdef MSDOS
int dosmatch OF((char *, char *));
#endif /* MSDOS */
void init_upper OF((void));
int namecmp OF((char *string1, char *string2));
voidp far **search OF((voidp *, voidp far **, extent,
int (*)(voidp *, voidp far *)));
ulg crc32 OF((ulg, int));
ulg updcrc OF((char *, extent));
#ifndef UTIL
/* in deflate.c */
void lm_init OF((int pack_level, ush *flags));
ulg deflate OF((void));
/* in trees.c */
void ct_init OF((ush *attr, int *method));
int ct_tally OF((int dist, int lc));
ulg flush_block OF((char far *buf, ulg stored_len, int eof));
/* in bits.c */
void bi_init OF((FILE *zipfile));
void send_bits OF((int value, int length));
unsigned bi_reverse OF((unsigned value, int length));
void bi_windup OF((void));
void copy_block OF((char far *buf, unsigned len, int header));
int seekable OF((void));
extern int (*read_buf) OF((char *buf, unsigned size));
ulg memcompress OF((char *tgt, ulg tgtsize, char *src, ulg srcsize));
#endif /* !UTIL */
/* end of zip.h */
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.