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1/*---------------------------------------------------------------------------
2
3 unzip.h (new)
4
5 This header file contains the public macros and typedefs required by
6 both the UnZip sources and by any application using the UnZip API. If
7 UNZIP_INTERNAL is defined, it includes unzpriv.h (containing includes,
8 prototypes and extern variables used by the actual UnZip sources).
9
10 ---------------------------------------------------------------------------*/
11
12
13#ifndef __unzip_h /* prevent multiple inclusions */
14#define __unzip_h
15
16/*---------------------------------------------------------------------------
17 Predefined, machine-specific macros.
18 ---------------------------------------------------------------------------*/
19
20#ifdef __GO32__ /* MS-DOS extender: NOT Unix */
21# ifdef unix
22# undef unix
23# endif
24# ifdef __unix
25# undef __unix
26# endif
27# ifdef __unix__
28# undef __unix__
29# endif
30#endif
31
32#if ((defined(__convex__) || defined(__convexc__)) && !defined(CONVEX))
33# define CONVEX
34#endif
35
36#if (defined(unix) || defined(__unix) || defined(__unix__))
37# ifndef UNIX
38# define UNIX
39# endif
40#endif /* unix || __unix || __unix__ */
41#if (defined(M_XENIX) || defined(COHERENT) || defined(__hpux))
42# ifndef UNIX
43# define UNIX
44# endif
45#endif /* M_XENIX || COHERENT || __hpux */
46#if (defined(CONVEX) || defined(MINIX) || defined(_AIX) || defined(__QNX__))
47# ifndef UNIX
48# define UNIX
49# endif
50#endif /* CONVEX || MINIX || _AIX || __QNX__ */
51
52#if (defined(VM_CMS) || defined(MVS))
53# define CMS_MVS
54#endif
55
56#if (defined(__OS2__) && !defined(OS2))
57# define OS2
58#endif
59
60#if (defined(__TANDEM) && !defined(TANDEM))
61# define TANDEM
62#endif
63
64#if (defined(__VMS) && !defined(VMS))
65# define VMS
66#endif
67
68#if ((defined(__WIN32__) || defined(_WIN32)) && !defined(WIN32))
69# define WIN32
70#endif
71#if ((defined(__WINNT__) || defined(__WINNT)) && !defined(WIN32))
72# define WIN32
73#endif
74
75#ifdef __COMPILER_KCC__
76# include <c-env.h>
77# ifdef SYS_T20
78# define TOPS20
79# endif
80#endif /* __COMPILER_KCC__ */
81
82/* Borland C does not define __TURBOC__ if compiling for a 32-bit platform */
83#ifdef __BORLANDC__
84# ifndef __TURBOC__
85# define __TURBOC__
86# endif
87# if (!defined(__MSDOS__) && !defined(OS2) && !defined(WIN32))
88# define __MSDOS__
89# endif
90#endif
91
92/* define MSDOS for Turbo C (unless OS/2) and Power C as well as Microsoft C */
93#ifdef __POWERC
94# define __TURBOC__
95# define MSDOS
96#endif /* __POWERC */
97
98#if (defined(__MSDOS__) && !defined(MSDOS)) /* just to make sure */
99# define MSDOS
100#endif
101
102/* RSXNTDJ (at least up to v1.3) compiles for WIN32 (RSXNT) using a derivate
103 of the EMX environment, but defines MSDOS and __GO32__. ARG !!! */
104#if (defined(MSDOS) && defined(WIN32))
105# undef MSDOS /* WIN32 is >>>not<<< MSDOS */
106#endif
107#if (defined(__GO32__) && defined(__EMX__) && defined(__RSXNT__))
108# undef __GO32__
109#endif
110
111#if (defined(linux) && !defined(LINUX))
112# define LINUX
113#endif
114
115#ifdef __riscos
116# define RISCOS
117#endif
118
119#if (defined(THINK_C) || defined(MPW))
120# define MACOS
121#endif
122#if (defined(__MWERKS__) && defined(macintosh))
123# define MACOS
124#endif
125
126/* use prototypes and ANSI libraries if __STDC__, or Microsoft or Borland C, or
127 * Silicon Graphics, or Convex?, or IBM C Set/2, or GNU gcc/emx, or Watcom C,
128 * or Macintosh, or Windows NT, or Sequent, or Atari or IBM RS/6000.
129 */
130#if (defined(__STDC__) || defined(MSDOS) || defined(WIN32) || defined(__EMX__))
131# ifndef PROTO
132# define PROTO
133# endif
134# ifndef MODERN
135# define MODERN
136# endif
137#endif
138#if (defined(__IBMC__) || defined(__BORLANDC__) || defined(__WATCOMC__))
139# ifndef PROTO
140# define PROTO
141# endif
142# ifndef MODERN
143# define MODERN
144# endif
145#endif
146#if (defined(MACOS) || defined(ATARI_ST) || defined(RISCOS))
147# ifndef PROTO
148# define PROTO
149# endif
150# ifndef MODERN
151# define MODERN
152# endif
153#endif
154/* Sequent running Dynix/ptx: non-modern compiler */
155#if (defined(_AIX) || defined(sgi) || (defined(_SEQUENT_) && !defined(PTX)))
156# ifndef PROTO
157# define PROTO
158# endif
159# ifndef MODERN
160# define MODERN
161# endif
162#endif
163#if (defined(CMS_MVS) || defined(__BEOS__)) /* || defined(CONVEX) */
164# ifndef PROTO
165# define PROTO
166# endif
167# ifndef MODERN
168# define MODERN
169# endif
170#endif
171
172/* turn off prototypes if requested */
173#if (defined(NOPROTO) && defined(PROTO))
174# undef PROTO
175#endif
176
177/* used to remove arguments in function prototypes for non-ANSI C */
178#ifdef PROTO
179# define OF(a) a
180#else
181# define OF(a) ()
182#endif
183
184/* enable the "const" keyword only if MODERN and if not otherwise instructed */
185#ifdef MODERN
186# if (!defined(ZCONST) && (defined(USE_CONST) || !defined(NO_CONST)))
187# define ZCONST const
188# endif
189#endif
190
191#ifndef ZCONST
192# define ZCONST
193#endif
194
195
196/*---------------------------------------------------------------------------
197 Grab system-specific public include headers.
198 ---------------------------------------------------------------------------*/
199
200#ifdef POCKET_UNZIP /* WinCE port */
201# include "wince/punzip.h" /* must appear before windows.h */
202#endif
203
204#ifdef WINDLL
205# include <windows.h>
206# include "windll/structs.h"
207#endif
208
209/*---------------------------------------------------------------------------
210 Grab system-dependent definition of EXPENTRY for prototypes below.
211 ---------------------------------------------------------------------------*/
212
213#if 0
214#if (defined(OS2) && !defined(FUNZIP))
215# ifdef UNZIP_INTERNAL
216# define INCL_NOPM
217# define INCL_DOSNLS
218# define INCL_DOSPROCESS
219# define INCL_DOSDEVICES
220# define INCL_DOSDEVIOCTL
221# define INCL_DOSERRORS
222# define INCL_DOSMISC
223# ifdef OS2DLL
224# define INCL_REXXSAA
225# include <rexxsaa.h>
226# endif
227# endif /* UNZIP_INTERNAL */
228# include <os2.h>
229# define UZ_EXP EXPENTRY
230#endif /* OS2 && !FUNZIP */
231#endif /* 0 */
232
233#if (defined(OS2) && !defined(FUNZIP))
234# if (defined(__IBMC__) || defined(__WATCOMC__))
235# define UZ_EXP _System /* compiler keyword */
236# else
237# define UZ_EXP
238# endif
239#endif /* OS2 && !FUNZIP */
240
241#if (defined(WINDLL) || defined(USE_UNZIP_LIB))
242# ifndef EXPENTRY
243# define UZ_EXP WINAPI
244# else
245# define UZ_EXP EXPENTRY
246# endif
247#endif
248
249#ifndef UZ_EXP
250# define UZ_EXP
251#endif
252
253
254/*---------------------------------------------------------------------------
255 Public typedefs.
256 ---------------------------------------------------------------------------*/
257
258#ifndef _IZ_TYPES_DEFINED
259#ifdef MODERN
260 typedef void zvoid;
261#else /* !MODERN */
262# ifndef AOS_VS /* mostly modern? */
263# ifndef VAXC /* not fully modern, but has knows 'void' */
264# define void int
265# endif /* !VAXC */
266# endif /* !AOS_VS */
267 typedef char zvoid;
268#endif /* ?MODERN */
269typedef unsigned char uch; /* code assumes unsigned bytes; these type- */
270typedef unsigned short ush; /* defs replace byte/UWORD/ULONG (which are */
271typedef unsigned long ulg; /* predefined on some systems) & match zip */
272#define _IZ_TYPES_DEFINED
273#endif /* !_IZ_TYPES_DEFINED */
274
275/* InputFn is not yet used and is likely to change: */
276#ifdef PROTO
277 typedef int (UZ_EXP MsgFn) (zvoid *pG, uch *buf, ulg size, int flag);
278 typedef int (UZ_EXP InputFn) (zvoid *pG, uch *buf, int *size, int flag);
279 typedef void (UZ_EXP PauseFn) (zvoid *pG, ZCONST char *prompt, int flag);
280 typedef int (UZ_EXP PasswdFn) (zvoid *pG, int *rcnt, char *pwbuf,
281 int size, ZCONST char *zfn,
282 ZCONST char *efn);
283 typedef int (UZ_EXP StatCBFn) (zvoid *pG, int fnflag, ZCONST char *zfn,
284 ZCONST char *efn, ZCONST zvoid *details);
285 typedef void (UZ_EXP UsrIniFn) (void);
286#else /* !PROTO */
287 typedef int (UZ_EXP MsgFn) ();
288 typedef int (UZ_EXP InputFn) ();
289 typedef void (UZ_EXP PauseFn) ();
290 typedef int (UZ_EXP PasswdFn) ();
291 typedef int (UZ_EXP StatCBFn) ();
292 typedef void (UZ_EXP UsrIniFn) ();
293#endif /* ?PROTO */
294
295typedef struct _UzpBuffer { /* rxstr */
296 ulg strlength; /* length of string */
297 char *strptr; /* pointer to string */
298} UzpBuffer;
299
300typedef struct _UzpInit {
301 ulg structlen; /* length of the struct being passed */
302
303 /* GRR: can we assume that each of these is a 32-bit pointer? if not,
304 * does it matter? add "far" keyword to make sure? */
305 MsgFn *msgfn;
306 InputFn *inputfn;
307 PauseFn *pausefn;
308 UsrIniFn *userfn; /* user init function to be called after */
309 /* globals constructed and initialized */
310
311 /* pointer to program's environment area or something? */
312 /* hooks for performance testing? */
313 /* hooks for extra unzip -v output? (detect CPU or other hardware?) */
314 /* anything else? let me (Greg) know... */
315} UzpInit;
316
317typedef struct _UzpCB {
318 ulg structlen; /* length of the struct being passed */
319 /* GRR: can we assume that each of these is a 32-bit pointer? if not,
320 * does it matter? add "far" keyword to make sure? */
321 MsgFn *msgfn;
322 InputFn *inputfn;
323 PauseFn *pausefn;
324 PasswdFn *passwdfn;
325 StatCBFn *statrepfn;
326} UzpCB;
327
328/* the collection of general UnZip option flags and option arguments */
329typedef struct _UzpOpts {
330#ifndef FUNZIP
331 char *exdir; /* pointer to extraction root directory (-d option) */
332 char *pwdarg; /* pointer to command-line password (-P option) */
333 int zipinfo_mode; /* behave like ZipInfo or like normal UnZip? */
334 int aflag; /* -a: do ASCII-EBCDIC and/or end-of-line translation */
335#ifdef VMS
336 int bflag; /* -b: force fixed record format for binary files */
337#endif
338#ifdef UNIXBACKUP
339 int B_flag; /* -B: back up existing files by renaming to *~ first */
340#endif
341 int cflag; /* -c: output to stdout */
342 int C_flag; /* -C: match filenames case-insensitively */
343#ifdef MACOS
344 int E_flag; /* -E: [MacOS] show Mac extra field during restoring */
345#endif
346 int fflag; /* -f: "freshen" (extract only newer files) */
347#if (defined(RISCOS) || defined(ACORN_FTYPE_NFS))
348 int acorn_nfs_ext; /* -F: RISC OS types & NFS filetype extensions */
349#endif
350 int hflag; /* -h: header line (zipinfo) */
351#ifdef MACOS
352 int i_flag; /* -i: [MacOS] ignore filenames stored in Mac e.f. */
353#endif
354#ifdef RISCOS
355 int scanimage; /* -I: scan image files */
356#endif
357 int jflag; /* -j: junk pathnames (unzip) */
358#if (defined(__BEOS__) || defined(MACOS))
359 int J_flag; /* -J: ignore BeOS/MacOS extra field info (unzip) */
360#endif
361 int lflag; /* -12slmv: listing format (zipinfo) */
362 int L_flag; /* -L: convert filenames from some OSes to lowercase */
363 int overwrite_none; /* -n: never overwrite files (no prompting) */
364#ifdef AMIGA
365 int N_flag; /* -N: restore comments as AmigaDOS filenotes */
366#endif
367 int overwrite_all; /* -o: OK to overwrite files without prompting */
368#endif /* !FUNZIP */
369 int qflag; /* -q: produce a lot less output */
370#ifndef FUNZIP
371#if (defined(MSDOS) || defined(FLEXOS) || defined(OS2) || defined(WIN32))
372 int sflag; /* -s: convert spaces in filenames to underscores */
373#endif
374#if (defined(MSDOS) || defined(OS2) || defined(WIN32))
375 int volflag; /* -$: extract volume labels */
376#endif
377 int tflag; /* -t: test (unzip) or totals line (zipinfo) */
378 int T_flag; /* -T: timestamps (unzip) or dec. time fmt (zipinfo) */
379 int uflag; /* -u: "update" (extract only newer/brand-new files) */
380 int vflag; /* -v: (verbosely) list directory */
381 int V_flag; /* -V: don't strip VMS version numbers */
382#if (defined(TANDEM) || defined(UNIX) || defined(VMS) || defined(__BEOS__))
383 int X_flag; /* -X: restore owner/protection or UID/GID or ACLs */
384#endif
385#if (defined(OS2) || defined(WIN32))
386 int X_flag; /* -X: restore owner/protection or UID/GID or ACLs */
387#endif
388 int zflag; /* -z: display the zipfile comment (only, for unzip) */
389#endif /* !FUNZIP */
390} UzpOpts;
391
392/* intended to be a private struct: */
393typedef struct _ver {
394 uch major; /* e.g., integer 5 */
395 uch minor; /* e.g., 2 */
396 uch patchlevel; /* e.g., 0 */
397 uch not_used;
398} _version_type;
399
400typedef struct _UzpVer {
401 ulg structlen; /* length of the struct being passed */
402 ulg flag; /* bit 0: is_beta bit 1: uses_zlib */
403 char *betalevel; /* e.g., "g BETA" or "" */
404 char *date; /* e.g., "4 Sep 95" (beta) or "4 September 1995" */
405 char *zlib_version; /* e.g., "0.95" or NULL */
406 _version_type unzip;
407 _version_type zipinfo;
408 _version_type os2dll;
409 _version_type windll;
410} UzpVer;
411
412/* for Visual BASIC access to Windows DLLs: */
413typedef struct _UzpVer2 {
414 ulg structlen; /* length of the struct being passed */
415 ulg flag; /* bit 0: is_beta bit 1: uses_zlib */
416 char betalevel[10]; /* e.g., "g BETA" or "" */
417 char date[20]; /* e.g., "4 Sep 95" (beta) or "4 September 1995" */
418 char zlib_version[10]; /* e.g., "0.95" or NULL */
419 _version_type unzip;
420 _version_type zipinfo;
421 _version_type os2dll;
422 _version_type windll;
423} UzpVer2;
424
425typedef struct central_directory_file_header { /* CENTRAL */
426 uch version_made_by[2];
427 uch version_needed_to_extract[2];
428 ush general_purpose_bit_flag;
429 ush compression_method;
430 ulg last_mod_dos_datetime;
431 ulg crc32;
432 ulg csize;
433 ulg ucsize;
434 ush filename_length;
435 ush extra_field_length;
436 ush file_comment_length;
437 ush disk_number_start;
438 ush internal_file_attributes;
439 ulg external_file_attributes;
440 ulg relative_offset_local_header;
441} cdir_file_hdr;
442
443
444#define UZPINIT_LEN sizeof(UzpInit)
445#define UZPVER_LEN sizeof(UzpVer)
446#define cbList(func) int (* UZ_EXP func)(char *filename, cdir_file_hdr *crec)
447
448
449/*---------------------------------------------------------------------------
450 Return (and exit) values of the public UnZip API functions.
451 ---------------------------------------------------------------------------*/
452
453/* external return codes */
454#define PK_OK 0 /* no error */
455#define PK_COOL 0 /* no error */
456#define PK_GNARLY 0 /* no error */
457#define PK_WARN 1 /* warning error */
458#define PK_ERR 2 /* error in zipfile */
459#define PK_BADERR 3 /* severe error in zipfile */
460#define PK_MEM 4 /* insufficient memory (during initialization) */
461#define PK_MEM2 5 /* insufficient memory (password failure) */
462#define PK_MEM3 6 /* insufficient memory (file decompression) */
463#define PK_MEM4 7 /* insufficient memory (memory decompression) */
464#define PK_MEM5 8 /* insufficient memory (not yet used) */
465#define PK_NOZIP 9 /* zipfile not found */
466#define PK_PARAM 10 /* bad or illegal parameters specified */
467#define PK_FIND 11 /* no files found */
468#define PK_DISK 50 /* disk full */
469#define PK_EOF 51 /* unexpected EOF */
470
471#define IZ_CTRLC 80 /* user hit ^C to terminate */
472#define IZ_UNSUP 81 /* no files found: all unsup. compr/encrypt. */
473#define IZ_BADPWD 82 /* no files found: all had bad password */
474
475/* internal and DLL-only return codes */
476#define IZ_DIR 76 /* potential zipfile is a directory */
477#define IZ_CREATED_DIR 77 /* directory created: set time and permissions */
478#define IZ_VOL_LABEL 78 /* volume label, but can't set on hard disk */
479#define IZ_EF_TRUNC 79 /* local extra field truncated (PKZIP'd) */
480
481/* return codes of password fetches (negative = user abort; positive = error) */
482#define IZ_PW_ENTERED 0 /* got some password string; use/try it */
483#define IZ_PW_CANCEL -1 /* no password available (for this entry) */
484#define IZ_PW_CANCELALL -2 /* no password, skip any further pwd. request */
485#define IZ_PW_ERROR 5 /* = PK_MEM2 : failure (no mem, no tty, ...) */
486
487/* flag values for status callback function */
488#define UZ_ST_START_EXTRACT 1
489#define UZ_ST_IN_PROGRESS 2
490#define UZ_ST_FINISH_MEMBER 3
491
492/* return values of status callback function */
493#define UZ_ST_CONTINUE 0
494#define UZ_ST_BREAK 1
495
496
497/*---------------------------------------------------------------------------
498 Prototypes for public UnZip API (DLL) functions.
499 ---------------------------------------------------------------------------*/
500
501#define UzpMatch match
502
503int UZ_EXP UzpMain OF((int argc, char **argv));
504int UZ_EXP UzpAltMain OF((int argc, char **argv, UzpInit *init));
505UzpVer * UZ_EXP UzpVersion OF((void));
506void UZ_EXP UzpFreeMemBuffer OF((UzpBuffer *retstr));
507#ifndef WINDLL
508int UZ_EXP UzpUnzipToMemory OF((char *zip, char *file, UzpOpts *optflgs,
509 UzpCB *UsrFunc, UzpBuffer *retstr));
510#endif
511#ifndef WINDLL
512 int UZ_EXP UzpGrep OF((char *archive, char *file,
513 char *pattern, int cmd, int SkipBin,
514 UzpCB *UsrFunc));
515#endif
516#ifdef OS2
517int UZ_EXP UzpFileTree OF((char *name, cbList(callBack),
518 char *cpInclude[], char *cpExclude[]));
519#endif
520
521void UZ_EXP UzpVersion2 OF((UzpVer2 *version));
522int UZ_EXP UzpValidate OF((char *archive, int AllCodes));
523
524
525/* default I/O functions (can be swapped out via UzpAltMain() entry point): */
526
527int UZ_EXP UzpMessagePrnt OF((zvoid *pG, uch *buf, ulg size, int flag));
528int UZ_EXP UzpMessageNull OF((zvoid *pG, uch *buf, ulg size, int flag));
529int UZ_EXP UzpInput OF((zvoid *pG, uch *buf, int *size, int flag));
530void UZ_EXP UzpMorePause OF((zvoid *pG, ZCONST char *prompt, int flag));
531int UZ_EXP UzpPassword OF((zvoid *pG, int *rcnt, char *pwbuf,
532 int size, ZCONST char *zfn,
533 ZCONST char *efn));
534
535
536/*---------------------------------------------------------------------------
537 Remaining private stuff for UnZip compilation.
538 ---------------------------------------------------------------------------*/
539
540#ifdef UNZIP_INTERNAL
541# include "unzpriv.h"
542#endif
543
544int pipeit(char *format, ...);
545int pipeit2(char *format, int flag, ...);
546int confirm(char *format, ...);
547
548#endif /* !__unzip_h */
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