unzpriv.h

完整的解压zip文件的源码。包含密码功能

/*---------------------------------------------------------------------------

  unzpriv.h

  This header file contains private (internal) macros, typedefs, prototypes
  and global-variable declarations used by all of the UnZip source files.
  In a prior life it was part of the main unzip.h header, but now it is only
  included by that header if UNZIP_INTERNAL is defined.

  ---------------------------------------------------------------------------*/



#ifndef __unzpriv_h   /* prevent multiple inclusions */
#define __unzpriv_h

/* First thing: Signal all following code that we compile UnZip utilities! */
#ifndef UNZIP
#  define UNZIP
#endif

/* GRR 960204:  MORE defined here in preparation for removal altogether */
#ifndef MORE
#  define MORE
#endif

/* fUnZip should never need to be reentrant */
#ifdef FUNZIP
#  ifdef REENTRANT
#    undef REENTRANT
#  endif
#  ifdef DLL
#    undef DLL
#  endif
#endif

#if (defined(DLL) && !defined(REENTRANT))
#  define REENTRANT
#endif

#if (!defined(DYNAMIC_CRC_TABLE) && !defined(FUNZIP))
#  define DYNAMIC_CRC_TABLE
#endif

#if (defined(DYNAMIC_CRC_TABLE) && !defined(REENTRANT))
#  ifndef DYNALLOC_CRCTAB
#    define DYNALLOC_CRCTAB
#  endif
#endif

/*---------------------------------------------------------------------------
    OS-dependent configuration for UnZip internals
  ---------------------------------------------------------------------------*/

/* bad or (occasionally?) missing stddef.h: */
#if (defined(M_XENIX) || defined(DNIX))
#  define NO_STDDEF_H
#endif

#if (defined(M_XENIX) && !defined(M_UNIX))   /* SCO Xenix only, not SCO Unix */
#  define SCO_XENIX
#  define NO_LIMITS_H        /* no limits.h, but MODERN defined */
#  define NO_UID_GID         /* no uid_t/gid_t */
#  define size_t int
#endif

#ifdef realix   /* Modcomp Real/IX, real-time SysV.3 variant */
#  define SYSV
#  define NO_UID_GID         /* no uid_t/gid_t */
#endif

#if (defined(_AIX) && !defined(_ALL_SOURCE))
#  define _ALL_SOURCE
#endif

#if defined(apollo)          /* defines __STDC__ */
#    define NO_STDLIB_H
#endif

#ifdef DNIX
#  define SYSV
#  define SHORT_NAMES         /* 14-char limitation on path components */
/* #  define FILENAME_MAX  14 */
#  define FILENAME_MAX  NAME_MAX    /* GRR:  experiment */
#endif

#if (defined(SYSTEM_FIVE) || defined(__SYSTEM_FIVE))
#  ifndef SYSV
#    define SYSV
#  endif
#endif /* SYSTEM_FIVE || __SYSTEM_FIVE */
#if (defined(M_SYSV) || defined(M_SYS5))
#  ifndef SYSV
#    define SYSV
#  endif
#endif /* M_SYSV || M_SYS5 */
/* __SVR4 and __svr4__ catch Solaris on at least some combos of compiler+OS */
#if (defined(__SVR4) || defined(__svr4__) || defined(sgi) || defined(__hpux))
#  ifndef SYSV
#    define SYSV
#  endif
#endif /* __SVR4 || __svr4__ || sgi || __hpux */
#if (defined(LINUX) || defined(__QNX__))
#  ifndef SYSV
#    define SYSV
#  endif
#endif /* LINUX || __QNX__ */

#if (defined(ultrix) || defined(__ultrix) || defined(bsd4_2))
#  if (!defined(BSD) && !defined(SYSV))
#    define BSD
#  endif
#endif /* ultrix || __ultrix || bsd4_2 */
#if (defined(sun) || defined(pyr) || defined(CONVEX))
#  if (!defined(BSD) && !defined(SYSV))
#    define BSD
#  endif
#endif /* sun || pyr || CONVEX */

#ifdef pyr  /* Pyramid:  has BSD and AT&T "universes" */
#  ifdef BSD
#    define pyr_bsd
#    define USE_STRINGS_H  /* instead of more common string.h */
#    define ZMEM           /* ZMEM now uses bcopy/bzero: not in AT&T universe */
#  endif                   /* (AT&T memcpy claimed to be very slow, though) */
#  define DECLARE_ERRNO
#endif /* pyr */

/* stat() bug for Borland, VAX C (also GNU?), and Atari ST MiNT on TOS
 * filesystems:  returns 0 for wildcards!  (returns 0xffffffff on Minix
 * filesystem or `U:' drive under Atari MiNT.)  Watcom C was previously
 * included on this list; it would be good to know what version the problem
 * was fixed at, if it did exist.  Watcom 10.6 has a separate stat() problem:
 * it fails on "." when the current directory is a root.  This is covered by
 * giving it a separate definition of SSTAT in OS-specific header files. */
#if (defined(__TURBOC__) || defined(VMS) || defined(__MINT__))
#  define WILD_STAT_BUG
#endif

#ifdef WILD_STAT_BUG
#  define SSTAT(path,pbuf) (iswild(path) || stat(path,pbuf))
#else
#  define SSTAT stat
#endif

#ifdef REGULUS  /* returns the inode number on success(!)...argh argh argh */
#  define stat(p,s) zstat((p),(s))
#endif

#define STRNICMP zstrnicmp

/*---------------------------------------------------------------------------
    OS-dependent includes
  ---------------------------------------------------------------------------*/

#ifdef EFT
#  define LONGINT off_t  /* Amdahl UTS nonsense ("extended file types") */
#else
#  define LONGINT long
#endif

#ifdef MODERN
#  ifndef NO_STDDEF_H
#    include <stddef.h>
#  endif
#  ifndef NO_STDLIB_H
#    include <stdlib.h>  /* standard library prototypes, malloc(), etc. */
#  endif
   typedef size_t extent;
#else /* !MODERN */
#  ifndef AOS_VS         /* mostly modern? */
     LONGINT lseek();
#    ifdef VAXC          /* not fully modern, but does have stdlib.h and void */
#      include <stdlib.h>
#    else
       char *malloc();
#    endif /* ?VAXC */
#  endif /* !AOS_VS */
   typedef unsigned int extent;
#endif /* ?MODERN */


#ifndef MINIX            /* Minix needs it after all the other includes (?) */
#  include <stdio.h>
#endif
#include <ctype.h>       /* skip for VMS, to use tolower() function? */
#include <errno.h>       /* used in mapname() */
#ifdef USE_STRINGS_H
#  include <strings.h>   /* strcpy, strcmp, memcpy, index/rindex, etc. */
#else
#  include <string.h>    /* strcpy, strcmp, memcpy, strchr/strrchr, etc. */
#endif
#if (defined(MODERN) && !defined(NO_LIMITS_H))
#  include <limits.h>    /* GRR:  EXPERIMENTAL!  (can be deleted) */
#endif

/* this include must be down here for SysV.4, for some reason... */
#include <signal.h>      /* used in unzip.c, fileio.c */


/*---------------------------------------------------------------------------
    API (DLL) section:
  ---------------------------------------------------------------------------*/

#ifdef DLL
#  define MAIN   UZ_EXP UzpMain   /* was UzpUnzip */
#  ifdef OS2DLL
#    undef Info
#    define REDIRECTC(c)             varputchar(__G__ c)
#    define REDIRECTPRINT(buf,size)  varmessage(__G__ buf, size)
#    define FINISH_REDIRECT()        finish_REXX_redirect(__G)
#  else
#    define REDIRECTC(c)
#    define REDIRECTPRINT(buf,size)  0
#    define FINISH_REDIRECT()        close_redirect(__G)
#  endif
#endif

/*---------------------------------------------------------------------------
    Acorn RISCOS section:
  ---------------------------------------------------------------------------*/

#ifdef RISCOS
#  include "acorn/riscos.h"
#endif

/*---------------------------------------------------------------------------
    Amiga section:
  ---------------------------------------------------------------------------*/

#ifdef AMIGA
#  include "amiga/amiga.h"
#endif

/*---------------------------------------------------------------------------
    AOS/VS section (somewhat similar to Unix, apparently):
  ---------------------------------------------------------------------------*/

#ifdef AOS_VS
#  ifdef FILEIO_C
#    include "aosvs/aosvs.h"
#  endif
#endif

/*---------------------------------------------------------------------------
    Atari ST section:
  ---------------------------------------------------------------------------*/

#ifdef ATARI
#  include <time.h>
#  include <stat.h>
#  include <fcntl.h>
#  include <limits.h>
#  define SYMLINKS
#  define EXE_EXTENSION  ".tos"
#  ifndef DATE_FORMAT
#    define DATE_FORMAT  DF_DMY
#  endif
#  define DIR_END        '/'
#  define INT_SPRINTF
#  define timezone      _timezone
#  define lenEOL        2
#  define PutNativeEOL  {*q++ = native(CR); *q++ = native(LF);}
#  undef SHORT_NAMES
#  if (!defined(NOTIMESTAMP) && !defined(TIMESTAMP))
#    define TIMESTAMP
#  endif
#endif

/*---------------------------------------------------------------------------
    BeOS section:
  ---------------------------------------------------------------------------*/

#ifdef __BEOS__
#  include <sys/types.h>          /* [cjh]:  This is pretty much a generic  */
#  include <sys/stat.h>           /* POSIX 1003.1 system; see beos/ for     */
#  include <fcntl.h>              /* extra code to deal with our extra file */
#  include <sys/param.h>          /* attributes. */
#  include <unistd.h>
#  include <utime.h>
#  define DIRENT
#  include <time.h>
#  ifndef DATE_FORMAT
#    define DATE_FORMAT DF_MDY  /* GRR:  customize with locale.h somehow? */
#  endif
#  define lenEOL        1
#  define PutNativeEOL  *q++ = native(LF);
#  define SCREENLINES   screenlines()
#  define USE_EF_UT_TIME
#  define SET_DIR_ATTRIB
#  if (!defined(NOTIMESTAMP) && !defined(TIMESTAMP))
#    define TIMESTAMP
#  endif
#  define RESTORE_UIDGID
#  define NO_GMTIME               /* maybe DR10 will have timezones... */
#  define INT_SPRINTF
#  define SYMLINKS
#  define MAIN main_stub          /* now that we're using a wrapper... */
#endif

/*---------------------------------------------------------------------------
    Human68k/X68000 section:
  ---------------------------------------------------------------------------*/

#ifdef __human68k__    /* DO NOT DEFINE DOS_OS2 HERE!  If Human68k is so much */
#  include <time.h>    /*  like MS-DOS and/or OS/2, create DOS_H68_OS2 macro. */
#  include <fcntl.h>
#  include <io.h>
#  include <conio.h>
#  include <jctype.h>
#  include <sys/stat.h>
#  ifndef DATE_FORMAT
#    define DATE_FORMAT DF_YMD   /* Japanese standard */
#  endif
      /* GRR:  these EOL macros are guesses */
#  define lenEOL        2
#  define PutNativeEOL  {*q++ = native(CR); *q++ = native(LF);}
#  define EXE_EXTENSION ".exe"   /* just a guess... */
#endif

/*---------------------------------------------------------------------------
    Mac section:
  ---------------------------------------------------------------------------*/

#ifdef MACOS
#  include "maccfg.h"
#endif /* MACOS */

/*---------------------------------------------------------------------------
    MS-DOS, OS/2, FLEXOS section:
  ---------------------------------------------------------------------------*/

#ifdef WINDLL
#  define MSWIN
#  ifdef MORE
#    undef MORE
#  endif
#  ifdef OS2_EAS
#    undef OS2_EAS
#  endif
#endif

#if (defined(_MSC_VER) || (defined(M_I86) && !defined(__WATCOMC__)))
#  ifndef MSC
#    define MSC               /* This should work for older MSC, too!  */
#  endif
#endif

#if (defined(MSDOS) || defined(OS2) || defined(FLEXOS))
#  include <sys/types.h>      /* off_t, time_t, dev_t, ... */
#  include <sys/stat.h>
#  include <io.h>             /* lseek(), open(), setftime(), dup(), creat() */
#  include <time.h>           /* localtime() */
#  include <fcntl.h>          /* O_BINARY for open() w/o CR/LF translation */

#  ifdef OS2                  /* defined for all OS/2 compilers */
#    include "os2/os2cfg.h"
#  else
#    ifdef FLEXOS
#      include "flexos/flxcfg.h"
#    else
#      include "msdos/doscfg.h"
#    endif
#  endif

#  if (defined(_MSC_VER) && (_MSC_VER == 700) && !defined(GRR))