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/*
Copyright (c) 1990-2009 Info-ZIP. All rights reserved.
See the accompanying file LICENSE, version 2009-Jan-02 or later
(the contents of which are also included in unzip.h) for terms of use.
If, for some reason, all these files are missing, the Info-ZIP license
also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
*/
/*---------------------------------------------------------------------------
unzip.c
UnZip - a zipfile extraction utility. See below for make instructions, or
read the comments in Makefile and the various Contents files for more de-
tailed explanations. To report a bug, submit a *complete* description via
//www.info-zip.org/zip-bug.html; include machine type, operating system and
version, compiler and version, and reasonably detailed error messages or
problem report. To join Info-ZIP, see the instructions in README.
UnZip 5.x is a greatly expanded and partially rewritten successor to 4.x,
which in turn was almost a complete rewrite of version 3.x. For a detailed
revision history, see UnzpHist.zip at quest.jpl.nasa.gov. For a list of
the many (near infinite) contributors, see "CONTRIBS" in the UnZip source
distribution.
UnZip 6.0 adds support for archives larger than 4 GiB using the Zip64
extensions as well as support for Unicode information embedded per the
latest zip standard additions.
---------------------------------------------------------------------------
[from original zipinfo.c]
This program reads great gobs of totally nifty information, including the
central directory stuff, from ZIP archives ("zipfiles" for short). It
started as just a testbed for fooling with zipfiles, but at this point it
is actually a useful utility. It also became the basis for the rewrite of
UnZip (3.16 -> 4.0), using the central directory for processing rather than
the individual (local) file headers.
As of ZipInfo v2.0 and UnZip v5.1, the two programs are combined into one.
If the executable is named "unzip" (or "unzip.exe", depending), it behaves
like UnZip by default; if it is named "zipinfo" or "ii", it behaves like
ZipInfo. The ZipInfo behavior may also be triggered by use of unzip's -Z
option; for example, "unzip -Z [zipinfo_options] archive.zip".
Another dandy product from your buddies at Newtware!
Author: Greg Roelofs, newt@pobox.com, http://pobox.com/~newt/
23 August 1990 -> April 1997
---------------------------------------------------------------------------
Version: unzip5??.{tar.Z | tar.gz | zip} for Unix, VMS, OS/2, MS-DOS, Amiga,
Atari, Windows 3.x/95/NT/CE, Macintosh, Human68K, Acorn RISC OS,
AtheOS, BeOS, SMS/QDOS, VM/CMS, MVS, AOS/VS, Tandem NSK, Theos
and TOPS-20.
Copyrights: see accompanying file "LICENSE" in UnZip source distribution.
(This software is free but NOT IN THE PUBLIC DOMAIN.)
---------------------------------------------------------------------------*/
#define __UNZIP_C /* identifies this source module */
#define UNZIP_INTERNAL
#include "unzip.h" /* includes, typedefs, macros, prototypes, etc. */
#include "crypt.h"
#include "unzvers.h"
#ifndef WINDLL /* The WINDLL port uses windll/windll.c instead... */
/***************************/
/* Local type declarations */
/***************************/
#if (defined(REENTRANT) && !defined(NO_EXCEPT_SIGNALS))
typedef struct _sign_info
{
struct _sign_info *previous;
void (*sighandler)(int);
int sigtype;
} savsigs_info;
#endif
/*******************/
/* Local Functions */
/*******************/
#if (defined(REENTRANT) && !defined(NO_EXCEPT_SIGNALS))
static int setsignalhandler OF((__GPRO__ savsigs_info **p_savedhandler_chain,
int signal_type, void (*newhandler)(int)));
#endif
#ifndef SFX
static void help_extended OF((__GPRO));
static void show_version_info OF((__GPRO));
#endif
/*************/
/* Constants */
/*************/
#include "consts.h" /* all constant global variables are in here */
/* (non-constant globals were moved to globals.c) */
/* constant local variables: */
#ifndef SFX
#ifndef _WIN32_WCE /* Win CE does not support environment variables */
static ZCONST char Far EnvUnZip[] = ENV_UNZIP;
static ZCONST char Far EnvUnZip2[] = ENV_UNZIP2;
static ZCONST char Far EnvZipInfo[] = ENV_ZIPINFO;
static ZCONST char Far EnvZipInfo2[] = ENV_ZIPINFO2;
#ifdef RISCOS
static ZCONST char Far EnvUnZipExts[] = ENV_UNZIPEXTS;
#endif /* RISCOS */
static ZCONST char Far NoMemEnvArguments[] =
"envargs: cannot get memory for arguments";
#endif /* !_WIN32_WCE */
static ZCONST char Far CmdLineParamTooLong[] =
"error: command line parameter #%d exceeds internal size limit\n";
#endif /* !SFX */
#if (defined(REENTRANT) && !defined(NO_EXCEPT_SIGNALS))
static ZCONST char Far CantSaveSigHandler[] =
"error: cannot save signal handler settings\n";
#endif
#if (!defined(SFX) || defined(SFX_EXDIR))
static ZCONST char Far NotExtracting[] =
"caution: not extracting; -d ignored\n";
static ZCONST char Far MustGiveExdir[] =
"error: must specify directory to which to extract with -d option\n";
static ZCONST char Far OnlyOneExdir[] =
"error: -d option used more than once (only one exdir allowed)\n";
#endif
#if (defined(UNICODE_SUPPORT) && !defined(UNICODE_WCHAR))
static ZCONST char Far UTF8EscapeUnSupp[] =
"warning: -U \"escape all non-ASCII UTF-8 chars\" is not supported\n";
#endif
#if CRYPT
static ZCONST char Far MustGivePasswd[] =
"error: must give decryption password with -P option\n";
#endif
#ifndef SFX
static ZCONST char Far Zfirst[] =
"error: -Z must be first option for ZipInfo mode (check UNZIP variable?)\n";
#endif
static ZCONST char Far InvalidOptionsMsg[] = "error:\
-fn or any combination of -c, -l, -p, -t, -u and -v options invalid\n";
static ZCONST char Far IgnoreOOptionMsg[] =
"caution: both -n and -o specified; ignoring -o\n";
/* usage() strings */
#ifndef SFX
#ifdef VMS
static ZCONST char Far Example3[] = "vms.c";
static ZCONST char Far Example2[] = " unzip \"-V\" foo \"Bar\"\
(Quote names to preserve case, unless SET PROC/PARS=EXT)\n";
#else /* !VMS */
static ZCONST char Far Example3[] = "ReadMe";
#ifdef RISCOS
static ZCONST char Far Example2[] =
" unzip foo -d RAM:$ => extract all files from foo into RAMDisc\n";
#else /* !RISCOS */
#if (defined(OS2) || (defined(DOS_FLX_OS2_W32) && defined(MORE)))
static ZCONST char Far Example2[] =
""; /* no room: too many local3[] items */
#else /* !OS2 */
#ifdef MACOS
static ZCONST char Far Example2[] = ""; /* not needed */
#else /* !MACOS */
static ZCONST char Far Example2[] = " \
unzip -p foo | more => send contents of foo.zip via pipe into program more\n";
#endif /* ?MACOS */
#endif /* ?OS2 */
#endif /* ?RISCOS */
#endif /* ?VMS */
/* local1[]: command options */
#if defined(TIMESTAMP)
static ZCONST char Far local1[] =
" -T timestamp archive to latest";
#else /* !TIMESTAMP */
static ZCONST char Far local1[] = "";
#endif /* ?TIMESTAMP */
/* local2[] and local3[]: modifier options */
#ifdef DOS_FLX_H68_OS2_W32
#ifdef FLEXOS
static ZCONST char Far local2[] = "";
#else
static ZCONST char Far local2[] =
" -$ label removables (-$$ => fixed disks)";
#endif
#ifdef OS2
#ifdef MORE
static ZCONST char Far local3[] = "\
-X restore ACLs if supported -s spaces in filenames => '_'\n\
-M pipe through \"more\" pager\n";
#else
static ZCONST char Far local3[] = " \
-X restore ACLs if supported -s spaces in filenames => '_'\n\n";
#endif /* ?MORE */
#else /* !OS2 */
#ifdef WIN32
#ifdef NTSD_EAS
#ifdef MORE
static ZCONST char Far local3[] = "\
-X restore ACLs (-XX => use privileges) -s spaces in filenames => '_'\n\
-M pipe through \"more\" pager\n";
#else
static ZCONST char Far local3[] = " \
-X restore ACLs (-XX => use privileges) -s spaces in filenames => '_'\n\n";
#endif /* ?MORE */
#else /* !NTSD_EAS */
#ifdef MORE
static ZCONST char Far local3[] = "\
-M pipe through \"more\" pager \
-s spaces in filenames => '_'\n\n";
#else
static ZCONST char Far local3[] = " \
-s spaces in filenames => '_'\n\n";
#endif /* ?MORE */
#endif /* ?NTSD_EAS */
#else /* !WIN32 */
#ifdef MORE
static ZCONST char Far local3[] = " -\
M pipe through \"more\" pager -s spaces in filenames => '_'\n\n";
#else
static ZCONST char Far local3[] = "\
-s spaces in filenames => '_'\n";
#endif
#endif /* ?WIN32 */
#endif /* ?OS2 || ?WIN32 */
#else /* !DOS_FLX_OS2_W32 */
#ifdef VMS
static ZCONST char Far local2[] = " -X restore owner/ACL protection info";
#ifdef MORE
static ZCONST char Far local3[] = "\
-Y treat \".nnn\" as \";nnn\" version -2 force ODS2 names\n\
--D restore dir (-D: no) timestamps -M pipe through \"more\" pager\n\
(Must quote upper-case options, like \"-V\", unless SET PROC/PARSE=EXTEND.)\
\n\n";
#else
static ZCONST char Far local3[] = "\n\
-Y treat \".nnn\" as \";nnn\" version -2 force ODS2 names\n\
--D restore dir (-D: no) timestamps\n\
(Must quote upper-case options, like \"-V\", unless SET PROC/PARSE=EXTEND.)\
\n\n";
#endif
#else /* !VMS */
#ifdef ATH_BEO_UNX
static ZCONST char Far local2[] = " -X restore UID/GID info";
#ifdef MORE
static ZCONST char Far local3[] = "\
-K keep setuid/setgid/tacky permissions -M pipe through \"more\" pager\n";
#else
static ZCONST char Far local3[] = "\
-K keep setuid/setgid/tacky permissions\n";
#endif
#else /* !ATH_BEO_UNX */
#ifdef TANDEM
static ZCONST char Far local2[] = "\
-X restore Tandem User ID -r remove file extensions\n\
-b create 'C' (180) text files ";
#ifdef MORE
static ZCONST char Far local3[] = " \
-M pipe through \"more\" pager\n";
#else
static ZCONST char Far local3[] = "\n";
#endif
#else /* !TANDEM */
#ifdef AMIGA
static ZCONST char Far local2[] = " -N restore comments as filenotes";
#ifdef MORE
static ZCONST char Far local3[] = " \
-M pipe through \"more\" pager\n";
#else
static ZCONST char Far local3[] = "\n";
#endif
#else /* !AMIGA */
#ifdef MACOS
static ZCONST char Far local2[] = " -E show Mac info during extraction";
static ZCONST char Far local3[] = " \
-i ignore filenames in mac extra info -J junk (ignore) Mac extra info\n\
\n";
#else /* !MACOS */
#ifdef MORE
static ZCONST char Far local2[] = " -M pipe through \"more\" pager";
static ZCONST char Far local3[] = "\n";
#else
static ZCONST char Far local2[] = ""; /* Atari, Mac, CMS/MVS etc. */
static ZCONST char Far local3[] = "";
#endif
#endif /* ?MACOS */
#endif /* ?AMIGA */
#endif /* ?TANDEM */
#endif /* ?ATH_BEO_UNX */
#endif /* ?VMS */
#endif /* ?DOS_FLX_OS2_W32 */
#endif /* !SFX */
#ifndef NO_ZIPINFO
#ifdef VMS
static ZCONST char Far ZipInfoExample[] = "* or % (e.g., \"*font-%.zip\")";
#else
static ZCONST char Far ZipInfoExample[] = "*, ?, [] (e.g., \"[a-j]*.zip\")";
#endif
static ZCONST char Far ZipInfoUsageLine1[] = "\
ZipInfo %d.%d%d%s of %s, by Greg Roelofs and the Info-ZIP group.\n\
\n\
List name, date/time, attribute, size, compression method, etc., about files\n\
in list (excluding those in xlist) contained in the specified .zip archive(s).\
\n\"file[.zip]\" may be a wildcard name containing %s.\n\n\
usage: zipinfo [-12smlvChMtTz] file[.zip] [list...] [-x xlist...]\n\
or: unzip %s-Z%s [-12smlvChMtTz] file[.zip] [list...] [-x xlist...]\n";
static ZCONST char Far ZipInfoUsageLine2[] = "\nmain\
listing-format options: -s short Unix \"ls -l\" format (def.)\n\
-1 filenames ONLY, one per line -m medium Unix \"ls -l\" format\n\
-2 just filenames but allow -h/-t/-z -l long Unix \"ls -l\" format\n\
-v verbose, multi-page format\n";
#ifndef UNIX
static ZCONST char Far ZipInfoUsageLine3[] = "miscellaneous options:\n\
-h print header line -t print totals for listed files or for all\n\
-z print zipfile comment -T print file times in sortable decimal format\
\n -C be case-insensitive %s\
-x exclude filenames that follow from listing\n";
#else /* UNIX */
static ZCONST char Far ZipInfoUsageLine3[] = "miscellaneous options:\n\
-h print header line -t print totals for listed files or for all\n\
-z print zipfile comment %c-T%c print file times in sortable decimal format\
\n %c-C%c be case-insensitive %s\
-x exclude filenames that follow from listing\n\
-O CHARSET specify a character encoding for DOS, Windows and OS/2 archives\n\
-I CHARSET specify a character encoding for UNIX and other archives\n";
#endif /* !UNIX */
#ifdef MORE
static ZCONST char Far ZipInfoUsageLine4[] =
" -M page output through built-in \"more\"\n";
#else /* !MORE */
static ZCONST char Far ZipInfoUsageLine4[] = "";
#endif /* ?MORE */
#endif /* !NO_ZIPINFO */
#ifdef BETA
# ifdef VMSCLI
/* BetaVersion[] is also used in vms/cmdline.c: do not make it static */
ZCONST char Far BetaVersion[] = "%s\
THIS IS STILL A BETA VERSION OF UNZIP%s -- DO NOT DISTRIBUTE.\n\n";
# else
static ZCONST char Far BetaVersion[] = "%s\
THIS IS STILL A BETA VERSION OF UNZIP%s -- DO NOT DISTRIBUTE.\n\n";
# endif
#endif
#ifdef SFX
# ifdef VMSCLI
/* UnzipSFXBanner[] is also used in vms/cmdline.c: do not make it static */
ZCONST char Far UnzipSFXBanner[] =
# else
static ZCONST char Far UnzipSFXBanner[] =
# endif
"UnZipSFX %d.%d%d%s of %s, by Info-ZIP (http://www.info-zip.org).\n";
# ifdef SFX_EXDIR
static ZCONST char Far UnzipSFXOpts[] =
"Valid options are -tfupcz and -d <exdir>; modifiers are -abjnoqCL%sV%s.\n";
# else
static ZCONST char Far UnzipSFXOpts[] =
"Valid options are -tfupcz; modifiers are -abjnoqCL%sV%s.\n";
# endif
#else /* !SFX */
static ZCONST char Far CompileOptions[] =
"UnZip special compilation options:\n";
static ZCONST char Far CompileOptFormat[] = " %s\n";
#ifndef _WIN32_WCE /* Win CE does not support environment variables */
static ZCONST char Far EnvOptions[] =
"\nUnZip and ZipInfo environment options:\n";
static ZCONST char Far EnvOptFormat[] = "%16s: %.1024s\n";
#endif
static ZCONST char Far None[] = "[none]";
# ifdef ACORN_FTYPE_NFS
static ZCONST char Far AcornFtypeNFS[] = "ACORN_FTYPE_NFS";
# endif
# ifdef ASM_CRC
static ZCONST char Far AsmCRC[] = "ASM_CRC";
# endif
# ifdef ASM_INFLATECODES
static ZCONST char Far AsmInflateCodes[] = "ASM_INFLATECODES";
# endif
# ifdef CHECK_VERSIONS
static ZCONST char Far Check_Versions[] = "CHECK_VERSIONS";
# endif
# ifdef COPYRIGHT_CLEAN
static ZCONST char Far Copyright_Clean[] =
"COPYRIGHT_CLEAN (PKZIP 0.9x unreducing method not supported)";
# endif
# ifdef DEBUG
static ZCONST char Far UDebug[] = "DEBUG";
# endif
# ifdef DEBUG_TIME
static ZCONST char Far DebugTime[] = "DEBUG_TIME";
# endif
# ifdef DLL
static ZCONST char Far Dll[] = "DLL";
# endif
# ifdef DOSWILD
static ZCONST char Far DosWild[] = "DOSWILD";
# endif
# ifdef LZW_CLEAN
static ZCONST char Far LZW_Clean[] =
"LZW_CLEAN (PKZIP/Zip 1.x unshrinking method not supported)";
# endif
# ifndef MORE
static ZCONST char Far No_More[] = "NO_MORE";
# endif
# ifdef NO_ZIPINFO
static ZCONST char Far No_ZipInfo[] = "NO_ZIPINFO";
# endif
# ifdef NTSD_EAS
static ZCONST char Far NTSDExtAttrib[] = "NTSD_EAS";
# endif
# if defined(WIN32) && defined(NO_W32TIMES_IZFIX)
static ZCONST char Far W32NoIZTimeFix[] = "NO_W32TIMES_IZFIX";
# endif
# ifdef OLD_THEOS_EXTRA
static ZCONST char Far OldTheosExtra[] =
"OLD_THEOS_EXTRA (handle also old Theos port extra field)";
# endif
# ifdef OS2_EAS
static ZCONST char Far OS2ExtAttrib[] = "OS2_EAS";
# endif
# ifdef QLZIP
static ZCONST char Far SMSExFldOnUnix[] = "QLZIP";
# endif
# ifdef REENTRANT
static ZCONST char Far Reentrant[] = "REENTRANT";
# endif
# ifdef REGARGS
static ZCONST char Far RegArgs[] = "REGARGS";
# endif
# ifdef RETURN_CODES
static ZCONST char Far Return_Codes[] = "RETURN_CODES";
# endif
# ifdef SET_DIR_ATTRIB
static ZCONST char Far SetDirAttrib[] = "SET_DIR_ATTRIB";
# endif
# ifdef SYMLINKS
static ZCONST char Far SymLinkSupport[] =
"SYMLINKS (symbolic links supported, if RTL and file system permit)";
# endif
# ifdef TIMESTAMP
static ZCONST char Far TimeStamp[] = "TIMESTAMP";
# endif
# ifdef UNIXBACKUP
static ZCONST char Far UnixBackup[] = "UNIXBACKUP";
# endif
# ifdef USE_EF_UT_TIME
static ZCONST char Far Use_EF_UT_time[] = "USE_EF_UT_TIME";
# endif
# ifndef LZW_CLEAN
static ZCONST char Far Use_Unshrink[] =
"USE_UNSHRINK (PKZIP/Zip 1.x unshrinking method supported)";
# endif
# ifndef COPYRIGHT_CLEAN
static ZCONST char Far Use_Smith_Code[] =
"USE_SMITH_CODE (PKZIP 0.9x unreducing method supported)";
# endif
# ifdef USE_DEFLATE64
static ZCONST char Far Use_Deflate64[] =
"USE_DEFLATE64 (PKZIP 4.x Deflate64(tm) supported)";
# endif
# ifdef UNICODE_SUPPORT
# ifdef UTF8_MAYBE_NATIVE
# ifdef UNICODE_WCHAR
/* direct native UTF-8 check AND charset transform via wchar_t */
static ZCONST char Far Use_Unicode[] =
"UNICODE_SUPPORT [wide-chars, char coding: %s] (handle UTF-8 paths)";
# else
/* direct native UTF-8 check, only */
static ZCONST char Far Use_Unicode[] =
"UNICODE_SUPPORT [char coding: %s] (handle UTF-8 paths)";
# endif
static ZCONST char Far SysChUTF8[] = "UTF-8";
static ZCONST char Far SysChOther[] = "other";
# else /* !UTF8_MAYBE_NATIVE */
/* charset transform via wchar_t, no native UTF-8 support */
static ZCONST char Far Use_Unicode[] =
"UNICODE_SUPPORT [wide-chars] (handle UTF-8 paths)";
# endif /* ?UTF8_MAYBE_NATIVE */
# endif /* UNICODE_SUPPORT */
# ifdef _MBCS
static ZCONST char Far Have_MBCS_Support[] =
"MBCS-support (multibyte character support, MB_CUR_MAX = %u)";
# endif
# ifdef MULT_VOLUME
static ZCONST char Far Use_MultiVol[] =
"MULT_VOLUME (multi-volume archives supported)";
# endif
# ifdef LARGE_FILE_SUPPORT
static ZCONST char Far Use_LFS[] =
"LARGE_FILE_SUPPORT (large files over 2 GiB supported)";
# endif
# ifdef ZIP64_SUPPORT
static ZCONST char Far Use_Zip64[] =
"ZIP64_SUPPORT (archives using Zip64 for large files supported)";
# endif
# if (defined(__DJGPP__) && (__DJGPP__ >= 2))
# ifdef USE_DJGPP_ENV
static ZCONST char Far Use_DJGPP_Env[] = "USE_DJGPP_ENV";
# endif
# ifdef USE_DJGPP_GLOB
static ZCONST char Far Use_DJGPP_Glob[] = "USE_DJGPP_GLOB";
# endif
# endif /* __DJGPP__ && (__DJGPP__ >= 2) */
# ifdef USE_VFAT
static ZCONST char Far Use_VFAT_support[] = "USE_VFAT";
# endif
# ifdef USE_ZLIB
static ZCONST char Far UseZlib[] =
"USE_ZLIB (compiled with version %s; using version %s)";
# endif
# ifdef USE_BZIP2
static ZCONST char Far UseBZip2[] =
"USE_BZIP2 (PKZIP 4.6+, using bzip2 lib version %s)";
# endif
# ifdef VMS_TEXT_CONV
static ZCONST char Far VmsTextConv[] = "VMS_TEXT_CONV";
# endif
# ifdef VMSCLI
static ZCONST char Far VmsCLI[] = "VMSCLI";
# endif
# ifdef VMSWILD
static ZCONST char Far VmsWild[] = "VMSWILD";
# endif
# ifdef WILD_STOP_AT_DIR
static ZCONST char Far WildStopAtDir[] = "WILD_STOP_AT_DIR";
# endif
# if CRYPT
# ifdef PASSWD_FROM_STDIN
static ZCONST char Far PasswdStdin[] = "PASSWD_FROM_STDIN";
# endif
static ZCONST char Far Decryption[] =
" [decryption, version %d.%d%s of %s]\n";
static ZCONST char Far CryptDate[] = CR_VERSION_DATE;
# endif
# ifndef __RSXNT__
# ifdef __EMX__
static ZCONST char Far EnvEMX[] = "EMX";
static ZCONST char Far EnvEMXOPT[] = "EMXOPT";
# endif
# if (defined(__GO32__) && (!defined(__DJGPP__) || (__DJGPP__ < 2)))
static ZCONST char Far EnvGO32[] = "GO32";
static ZCONST char Far EnvGO32TMP[] = "GO32TMP";
# endif
# endif /* !__RSXNT__ */
#ifdef VMS
/* UnzipUsageLine1[] is also used in vms/cmdline.c: do not make it static */
ZCONST char Far UnzipUsageLine1[] = "\
UnZip %d.%d%d%s of %s, by Info-ZIP. For more details see: unzip -v.\n\n";
# ifdef COPYRIGHT_CLEAN
static ZCONST char Far UnzipUsageLine1v[] = "\
UnZip %d.%d%d%s of %s, by Info-ZIP. Maintained by C. Spieler. Send\n\
bug reports using http://www.info-zip.org/zip-bug.html; see README for details.\
\n\n";
# else
static ZCONST char Far UnzipUsageLine1v[] = "\
UnZip %d.%d%d%s of %s, by Info-ZIP. UnReduce (c) 1989 by S. H. Smith.\n\
Send bug reports using //www.info-zip.org/zip-bug.html; see README for details.\
\n\n";
# endif /* ?COPYRIGHT_CLEAN */
#else /* !VMS */
# ifdef COPYRIGHT_CLEAN
static ZCONST char Far UnzipUsageLine1[] = "\
UnZip %d.%d%d%s of %s, by Debian. Original by Info-ZIP.\
\n\n";
# else
static ZCONST char Far UnzipUsageLine1[] = "\
UnZip %d.%d%d%s of %s, by Info-ZIP. UnReduce (c) 1989 by S. H. Smith.\n\
Send bug reports using //www.info-zip.org/zip-bug.html; see README for details.\
\n\n";
# endif /* ?COPYRIGHT_CLEAN */
# define UnzipUsageLine1v UnzipUsageLine1
#endif /* ?VMS */
static ZCONST char Far UnzipUsageLine2v[] = "\
Latest sources and executables are at ftp://ftp.info-zip.org/pub/infozip/ ;\
\nsee ftp://ftp.info-zip.org/pub/infozip/UnZip.html for other sites.\
\n\n";
#ifdef MACOS
static ZCONST char Far UnzipUsageLine2[] = "\
Usage: unzip %s[-opts[modifiers]] file[.zip] [list] [-d exdir]\n \
Default action is to extract files in list, to exdir;\n\
file[.zip] may be a wildcard. %s\n";
#else /* !MACOS */
#ifdef VM_CMS
static ZCONST char Far UnzipUsageLine2[] = "\
Usage: unzip %s[-opts[modifiers]] file[.zip] [list] [-x xlist] [-d fm]\n \
Default action is to extract files in list, except those in xlist, to disk fm;\
\n file[.zip] may be a wildcard. %s\n";
#else /* !VM_CMS */
static ZCONST char Far UnzipUsageLine2[] = "\
Usage: unzip %s[-opts[modifiers]] file[.zip] [list] [-x xlist] [-d exdir]\n \
Default action is to extract files in list, except those in xlist, to exdir;\n\
file[.zip] may be a wildcard. %s\n";
#endif /* ?VM_CMS */
#endif /* ?MACOS */
#ifdef NO_ZIPINFO
# define ZIPINFO_MODE_OPTION ""
static ZCONST char Far ZipInfoMode[] =
"(ZipInfo mode is disabled in this version.)";
#else
# define ZIPINFO_MODE_OPTION "[-Z] "
static ZCONST char Far ZipInfoMode[] =
"-Z => ZipInfo mode (\"unzip -Z\" for usage).";
#endif /* ?NO_ZIPINFO */
#ifdef VMS
static ZCONST char Far VMSusageLine2b[] = "\
=> define foreign command symbol in LOGIN.COM: $ unzip :== $dev:[dir]unzip.exe\
\n";
#endif
#ifdef MACOS
static ZCONST char Far UnzipUsageLine3[] = "\n\
-d extract files into exdir -l list files (short format)\n\
-f freshen existing files, create none -t test compressed archive data\n\
-u update files, create if necessary -z display archive comment only\n\
-v list verbosely/show version info %s\n";
#else /* !MACOS */
#ifdef VM_CMS
static ZCONST char Far UnzipUsageLine3[] = "\n\
-p extract files to pipe, no messages -l list files (short format)\n\
-f freshen existing files, create none -t test compressed archive data\n\
-u update files, create if necessary -z display archive comment only\n\
-v list verbosely/show version info %s\n\
-x exclude files that follow (in xlist) -d extract files onto disk fm\n";
#else /* !VM_CMS */
static ZCONST char Far UnzipUsageLine3[] = "\n\
-p extract files to pipe, no messages -l list files (short format)\n\
-f freshen existing files, create none -t test compressed archive data\n\
-u update files, create if necessary -z display archive comment only\n\
-v list verbosely/show version info %s\n\
-x exclude files that follow (in xlist) -d extract files into exdir\n";
#endif /* ?VM_CMS */
#endif /* ?MACOS */
/* There is not enough space on a standard 80x25 Windows console screen for
* the additional line advertising the UTF-8 debugging options. This may
* eventually also be the case for other ports. Probably, the -U option need
* not be shown on the introductory screen at all. [Chr. Spieler, 2008-02-09]
*
* Likely, other advanced options should be moved to an extended help page and
* the option to list that page put here. [E. Gordon, 2008-3-16]
*/
#if (defined(UNICODE_SUPPORT) && !defined(WIN32))
#ifdef VMS
static ZCONST char Far UnzipUsageLine4[] = "\
modifiers:\n\
-n never overwrite or make a new version of an existing file\n\
-o always make a new version (-oo: overwrite original) of an existing file\n\
-q quiet mode (-qq => quieter) -a auto-convert any text files\n\
-j junk paths (do not make directories) -aa treat ALL files as text\n\
-U use escapes for all non-ASCII Unicode -UU ignore any Unicode fields\n\
-C match filenames case-insensitively -L make (some) names \
lowercase\n %-42s -V retain VMS version numbers\n%s";
#elif (defined UNIX)
static ZCONST char Far UnzipUsageLine4[] = "\
modifiers:\n\
-n never overwrite existing files -q quiet mode (-qq => quieter)\n\
-o overwrite files WITHOUT prompting -a auto-convert any text files\n\
-j junk paths (do not make directories) -aa treat ALL files as text\n\
-U use escapes for all non-ASCII Unicode -UU ignore any Unicode fields\n\
-C match filenames case-insensitively -L make (some) names \
lowercase\n %-42s -V retain VMS version numbers\n%s\
-O CHARSET specify a character encoding for DOS, Windows and OS/2 archives\n\
-I CHARSET specify a character encoding for UNIX and other archives\n\n";
#else /* !VMS */
static ZCONST char Far UnzipUsageLine4[] = "\
modifiers:\n\
-n never overwrite existing files -q quiet mode (-qq => quieter)\n\
-o overwrite files WITHOUT prompting -a auto-convert any text files\n\
-j junk paths (do not make directories) -aa treat ALL files as text\n\
-U use escapes for all non-ASCII Unicode -UU ignore any Unicode fields\n\
-C match filenames case-insensitively -L make (some) names \
lowercase\n %-42s -V retain VMS version numbers\n%s";
#endif /* ?VMS */
#else /* !UNICODE_SUPPORT */
#ifdef VMS
static ZCONST char Far UnzipUsageLine4[] = "\
modifiers:\n\
-n never overwrite or make a new version of an existing file\n\
-o always make a new version (-oo: overwrite original) of an existing file\n\
-q quiet mode (-qq => quieter) -a auto-convert any text files\n\
-j junk paths (do not make directories) -aa treat ALL files as text\n\
-C match filenames case-insensitively -L make (some) names \
lowercase\n %-42s -V retain VMS version numbers\n%s";
#else /* !VMS */
static ZCONST char Far UnzipUsageLine4[] = "\
modifiers:\n\
-n never overwrite existing files -q quiet mode (-qq => quieter)\n\
-o overwrite files WITHOUT prompting -a auto-convert any text files\n\
-j junk paths (do not make directories) -aa treat ALL files as text\n\
-C match filenames case-insensitively -L make (some) names \
lowercase\n %-42s -V retain VMS version numbers\n%s";
#endif /* ?VMS */
#endif /* ?UNICODE_SUPPORT */
static ZCONST char Far UnzipUsageLine5[] = "\
See \"unzip -hh\" or unzip.txt for more help. Examples:\n\
unzip data1 -x joe => extract all files except joe from zipfile data1.zip\n\
%s\
unzip -fo foo %-6s => quietly replace existing %s if archive file newer\n";
#endif /* ?SFX */
/*****************************/
/* main() / UzpMain() stub */
/*****************************/
int MAIN(argc, argv) /* return PK-type error code (except under VMS) */
int argc;
char *argv[];
{
int r;
CONSTRUCTGLOBALS();
r = unzip(__G__ argc, argv);
DESTROYGLOBALS();
RETURN(r);
}
/*******************************/
/* Primary UnZip entry point */
/*******************************/
int unzip(__G__ argc, argv)
__GDEF
int argc;
char *argv[];
{
#ifndef NO_ZIPINFO
char *p;
#endif
#if (defined(DOS_FLX_H68_NLM_OS2_W32) || !defined(SFX))
int i;
#endif
int retcode, error=FALSE;
#ifndef NO_EXCEPT_SIGNALS
#ifdef REENTRANT
savsigs_info *oldsighandlers = NULL;
# define SET_SIGHANDLER(sigtype, newsighandler) \
if ((retcode = setsignalhandler(__G__ &oldsighandlers, (sigtype), \
(newsighandler))) > PK_WARN) \
goto cleanup_and_exit
#else
# define SET_SIGHANDLER(sigtype, newsighandler) \
signal((sigtype), (newsighandler))
#endif
#endif /* NO_EXCEPT_SIGNALS */
/* initialize international char support to the current environment */
SETLOCALE(LC_CTYPE, "");
#ifdef UNICODE_SUPPORT
/* see if can use UTF-8 Unicode locale */
# ifdef UTF8_MAYBE_NATIVE
{
char *codeset;
# if !(defined(NO_NL_LANGINFO) || defined(NO_LANGINFO_H))
/* get the codeset (character set encoding) currently used */
# include <langinfo.h>
codeset = nl_langinfo(CODESET);
# else /* NO_NL_LANGINFO || NO_LANGINFO_H */
/* query the current locale setting for character classification */
codeset = setlocale(LC_CTYPE, NULL);
if (codeset != NULL) {
/* extract the codeset portion of the locale name */
codeset = strchr(codeset, '.');
if (codeset != NULL) ++codeset;
}
# endif /* ?(NO_NL_LANGINFO || NO_LANGINFO_H) */
/* is the current codeset UTF-8 ? */
if ((codeset != NULL) && (strcmp(codeset, "UTF-8") == 0)) {
/* successfully found UTF-8 char coding */
G.native_is_utf8 = TRUE;
} else {
/* Current codeset is not UTF-8 or cannot be determined. */
G.native_is_utf8 = FALSE;
}
/* Note: At least for UnZip, trying to change the process codeset to
* UTF-8 does not work. For the example Linux setup of the
* UnZip maintainer, a successful switch to "en-US.UTF-8"
* resulted in garbage display of all non-basic ASCII characters.
*/
}
# endif /* UTF8_MAYBE_NATIVE */
/* initialize Unicode */
G.unicode_escape_all = 0;
G.unicode_mismatch = 0;
G.unipath_version = 0;
G.unipath_checksum = 0;
G.unipath_filename = NULL;
#endif /* UNICODE_SUPPORT */
#ifdef UNIX
init_conversion_charsets();
#endif
#if (defined(__IBMC__) && defined(__DEBUG_ALLOC__))
extern void DebugMalloc(void);
atexit(DebugMalloc);
#endif
#ifdef MALLOC_WORK
/* The following (rather complex) expression determines the allocation
size of the decompression work area. It simulates what the
combined "union" and "struct" declaration of the "static" work
area reservation achieves automatically at compile time.
Any decent compiler should evaluate this expression completely at
compile time and provide constants to the zcalloc() call.
(For better readability, some subexpressions are encapsulated
in temporarly defined macros.)
*/
# define UZ_SLIDE_CHUNK (sizeof(shrint)+sizeof(uch)+sizeof(uch))
# define UZ_NUMOF_CHUNKS \
(unsigned)(((WSIZE+UZ_SLIDE_CHUNK-1)/UZ_SLIDE_CHUNK > HSIZE) ? \
(WSIZE+UZ_SLIDE_CHUNK-1)/UZ_SLIDE_CHUNK : HSIZE)
G.area.Slide = (uch *)zcalloc(UZ_NUMOF_CHUNKS, UZ_SLIDE_CHUNK);
# undef UZ_SLIDE_CHUNK
# undef UZ_NUMOF_CHUNKS
G.area.shrink.Parent = (shrint *)G.area.Slide;
G.area.shrink.value = G.area.Slide + (sizeof(shrint)*(HSIZE));
G.area.shrink.Stack = G.area.Slide +
(sizeof(shrint) + sizeof(uch))*(HSIZE);
#endif
/*---------------------------------------------------------------------------
Set signal handler for restoring echo, warn of zipfile corruption, etc.
---------------------------------------------------------------------------*/
#ifndef NO_EXCEPT_SIGNALS
#ifdef SIGINT
SET_SIGHANDLER(SIGINT, handler);
#endif
#ifdef SIGTERM /* some systems really have no SIGTERM */
SET_SIGHANDLER(SIGTERM, handler);
#endif
#if defined(SIGABRT) && !(defined(AMIGA) && defined(__SASC))
SET_SIGHANDLER(SIGABRT, handler);
#endif
#ifdef SIGBREAK
SET_SIGHANDLER(SIGBREAK, handler);
#endif
#ifdef SIGBUS
SET_SIGHANDLER(SIGBUS, handler);
#endif
#ifdef SIGILL
SET_SIGHANDLER(SIGILL, handler);
#endif
#ifdef SIGSEGV
SET_SIGHANDLER(SIGSEGV, handler);
#endif
#endif /* NO_EXCEPT_SIGNALS */
#if (defined(WIN32) && defined(__RSXNT__))
for (i = 0 ; i < argc; i++) {
_ISO_INTERN(argv[i]);
}
#endif
/*---------------------------------------------------------------------------
Macintosh initialization code.
---------------------------------------------------------------------------*/
#ifdef MACOS
{
int a;
for (a = 0; a < 4; ++a)
G.rghCursor[a] = GetCursor(a+128);
G.giCursor = 0;
}
#endif
/*---------------------------------------------------------------------------
NetWare initialization code.
---------------------------------------------------------------------------*/
#ifdef NLM
InitUnZipConsole();
#endif
/*---------------------------------------------------------------------------
Acorn RISC OS initialization code.
---------------------------------------------------------------------------*/
#ifdef RISCOS
set_prefix();
#endif
/*---------------------------------------------------------------------------
Theos initialization code.
---------------------------------------------------------------------------*/
#ifdef THEOS
/* The easiest way found to force creation of libraries when selected
* members are to be unzipped. Explicitly add libraries names to the
* arguments list before the first member of the library.
*/
if (! _setargv(&argc, &argv)) {
Info(slide, 0x401, ((char *)slide, "cannot process argv\n"));
retcode = PK_MEM;
goto cleanup_and_exit;
}
#endif
/*---------------------------------------------------------------------------
Sanity checks. Commentary by Otis B. Driftwood and Fiorello:
D: It's all right. That's in every contract. That's what they
call a sanity clause.
F: Ha-ha-ha-ha-ha. You can't fool me. There ain't no Sanity
Claus.
---------------------------------------------------------------------------*/
#ifdef DEBUG
# ifdef LARGE_FILE_SUPPORT
/* test if we can support large files - 10/6/04 EG */
if (sizeof(zoff_t) < 8) {
Info(slide, 0x401, ((char *)slide, "LARGE_FILE_SUPPORT set but not supported\n"));
retcode = PK_BADERR;
goto cleanup_and_exit;
}
/* test if we can show 64-bit values */
{
zoff_t z = ~(zoff_t)0; /* z should be all 1s now */
char *sz;
sz = FmZofft(z, FZOFFT_HEX_DOT_WID, "X");
if ((sz[0] != 'F') || (strlen(sz) != 16))
{
z = 0;
}
/* shift z so only MSB is set */
z <<= 63;
sz = FmZofft(z, FZOFFT_HEX_DOT_WID, "X");
if ((sz[0] != '8') || (strlen(sz) != 16))
{
Info(slide, 0x401, ((char *)slide,
"Can't show 64-bit values correctly\n"));
retcode = PK_BADERR;
goto cleanup_and_exit;
}
}
# endif /* LARGE_FILE_SUPPORT */
/* 2004-11-30 SMS.
Test the NEXTBYTE macro for proper operation.
*/
{
int test_char;
static uch test_buf[2] = { 'a', 'b' };
G.inptr = test_buf;
G.incnt = 1;
test_char = NEXTBYTE; /* Should get 'a'. */
if (test_char == 'a')
{
test_char = NEXTBYTE; /* Should get EOF, not 'b'. */
}
if (test_char != EOF)
{
Info(slide, 0x401, ((char *)slide,
"NEXTBYTE macro failed. Try compiling with ALT_NEXTBYTE defined?"));
retcode = PK_BADERR;
goto cleanup_and_exit;
}
}
#endif /* DEBUG */
/*---------------------------------------------------------------------------
First figure out if we're running in UnZip mode or ZipInfo mode, and put
the appropriate environment-variable options into the queue. Then rip
through any command-line options lurking about...
---------------------------------------------------------------------------*/
#ifdef SFX
G.argv0 = argv[0];
#if (defined(OS2) || defined(WIN32))
G.zipfn = GetLoadPath(__G);/* non-MSC NT puts path into G.filename[] */
#else
G.zipfn = G.argv0;
#endif
#ifdef VMSCLI
{
ulg status = vms_unzip_cmdline(&argc, &argv);
if (!(status & 1)) {
retcode = (int)status;
goto cleanup_and_exit;
}
}
#endif /* VMSCLI */
uO.zipinfo_mode = FALSE;
error = uz_opts(__G__ &argc, &argv); /* UnZipSFX call only */
#else /* !SFX */
#ifdef RISCOS
/* get the extensions to swap from environment */
getRISCOSexts(ENV_UNZIPEXTS);
#endif
#ifdef MSDOS
/* extract MKS extended argument list from environment (before envargs!) */
mksargs(&argc, &argv);
#endif
#ifdef VMSCLI
{
ulg status = vms_unzip_cmdline(&argc, &argv);
if (!(status & 1)) {
retcode = (int)status;
goto cleanup_and_exit;
}
}
#endif /* VMSCLI */
G.noargs = (argc == 1); /* no options, no zipfile, no anything */
#ifndef NO_ZIPINFO
for (p = argv[0] + strlen(argv[0]); p >= argv[0]; --p) {
if (*p == DIR_END
#ifdef DIR_END2
|| *p == DIR_END2
#endif
)
break;
}
++p;
#ifdef THEOS
if (strncmp(p, "ZIPINFO.",8) == 0 || strstr(p, ".ZIPINFO:") != NULL ||
strncmp(p, "II.",3) == 0 || strstr(p, ".II:") != NULL ||
#else
if (STRNICMP(p, LoadFarStringSmall(Zipnfo), 7) == 0 ||
STRNICMP(p, "ii", 2) == 0 ||
#endif
(argc > 1 && strncmp(argv[1], "-Z", 2) == 0))
{
uO.zipinfo_mode = TRUE;
#ifndef _WIN32_WCE /* Win CE does not support environment variables */
if ((error = envargs(&argc, &argv, LoadFarStringSmall(EnvZipInfo),
LoadFarStringSmall2(EnvZipInfo2))) != PK_OK)
perror(LoadFarString(NoMemEnvArguments));
#endif
} else
#endif /* !NO_ZIPINFO */
{
uO.zipinfo_mode = FALSE;
#ifndef _WIN32_WCE /* Win CE does not support environment variables */
if ((error = envargs(&argc, &argv, LoadFarStringSmall(EnvUnZip),
LoadFarStringSmall2(EnvUnZip2))) != PK_OK)
perror(LoadFarString(NoMemEnvArguments));
#endif
}
if (!error) {
/* Check the length of all passed command line parameters.
* Command arguments might get sent through the Info() message
* system, which uses the sliding window area as string buffer.
* As arguments may additionally get fed through one of the FnFilter
* macros, we require all command line arguments to be shorter than
* WSIZE/4 (and ca. 2 standard line widths for fixed message text).
*/
for (i = 1 ; i < argc; i++) {
if (strlen(argv[i]) > ((WSIZE>>2) - 160)) {
Info(slide, 0x401, ((char *)slide,
LoadFarString(CmdLineParamTooLong), i));
retcode = PK_PARAM;
goto cleanup_and_exit;
}
}
#ifndef NO_ZIPINFO
if (uO.zipinfo_mode)
error = zi_opts(__G__ &argc, &argv);
else
#endif /* !NO_ZIPINFO */
error = uz_opts(__G__ &argc, &argv);
}
#endif /* ?SFX */
if ((argc < 0) || error) {
retcode = error;
goto cleanup_and_exit;
}
/*---------------------------------------------------------------------------
Now get the zipfile name from the command line and then process any re-
maining options and file specifications.
---------------------------------------------------------------------------*/
#ifdef DOS_FLX_H68_NLM_OS2_W32
/* convert MSDOS-style 'backward slash' directory separators to Unix-style
* 'forward slashes' for user's convenience (include zipfile name itself)
*/
#ifdef SFX
for (G.pfnames = argv, i = argc; i > 0; --i) {
#else
/* argc does not include the zipfile specification */
for (G.pfnames = argv, i = argc+1; i > 0; --i) {
#endif
#ifdef __human68k__
extern char *_toslash(char *);
_toslash(*G.pfnames);
#else /* !__human68k__ */
char *q = *G.pfnames;
while (*q != '\0') {
if (*q == '\\')
*q = '/';
INCSTR(q);
}
#endif /* ?__human68k__ */
++G.pfnames;
}
#endif /* DOS_FLX_H68_NLM_OS2_W32 */
#ifndef SFX
G.wildzipfn = *argv++;
#endif
#if (defined(SFX) && !defined(SFX_EXDIR)) /* only check for -x */
G.filespecs = argc;
G.xfilespecs = 0;
if (argc > 0) {
char **pp = argv-1;
G.pfnames = argv;
while (*++pp)
if (strcmp(*pp, "-x") == 0) {
if (pp > argv) {
*pp = 0; /* terminate G.pfnames */
G.filespecs = pp - G.pfnames;
} else {
G.pfnames = (char **)fnames; /* defaults */
G.filespecs = 0;
}
G.pxnames = pp + 1; /* excluded-names ptr: _after_ -x */
G.xfilespecs = argc - G.filespecs - 1;
break; /* skip rest of args */
}
G.process_all_files = FALSE;
} else
G.process_all_files = TRUE; /* for speed */
#else /* !SFX || SFX_EXDIR */ /* check for -x or -d */
G.filespecs = argc;
G.xfilespecs = 0;
if (argc > 0) {
int in_files=FALSE, in_xfiles=FALSE;
char **pp = argv-1;
G.process_all_files = FALSE;
G.pfnames = argv;
while (*++pp) {
Trace((stderr, "pp - argv = %d\n", pp-argv));
#ifdef CMS_MVS
if (!uO.exdir && STRNICMP(*pp, "-d", 2) == 0) {
#else
if (!uO.exdir && strncmp(*pp, "-d", 2) == 0) {
#endif
int firstarg = (pp == argv);
uO.exdir = (*pp) + 2;
if (in_files) { /* ... zipfile ... -d exdir ... */
*pp = (char *)NULL; /* terminate G.pfnames */
G.filespecs = pp - G.pfnames;
in_files = FALSE;
} else if (in_xfiles) {
*pp = (char *)NULL; /* terminate G.pxnames */
G.xfilespecs = pp - G.pxnames;
/* "... -x xlist -d exdir": nothing left */
}
/* first check for "-dexdir", then for "-d exdir" */
if (*uO.exdir == '\0') {
if (*++pp)
uO.exdir = *pp;
else {
Info(slide, 0x401, ((char *)slide,
LoadFarString(MustGiveExdir)));
/* don't extract here by accident */
retcode = PK_PARAM;
goto cleanup_and_exit;
}
}
if (firstarg) { /* ... zipfile -d exdir ... */
if (pp[1]) {
G.pfnames = pp + 1; /* argv+2 */
G.filespecs = argc - (G.pfnames-argv); /* for now... */
} else {
G.process_all_files = TRUE;
G.pfnames = (char **)fnames; /* GRR: necessary? */
G.filespecs = 0; /* GRR: necessary? */
break;
}
}
} else if (!in_xfiles) {
if (strcmp(*pp, "-x") == 0) {
in_xfiles = TRUE;
if (pp == G.pfnames) {
G.pfnames = (char **)fnames; /* defaults */
G.filespecs = 0;
} else if (in_files) {
*pp = 0; /* terminate G.pfnames */
G.filespecs = pp - G.pfnames; /* adjust count */
in_files = FALSE;
}
G.pxnames = pp + 1; /* excluded-names ptr starts after -x */
G.xfilespecs = argc - (G.pxnames-argv); /* anything left */
} else
in_files = TRUE;
}
}
} else
G.process_all_files = TRUE; /* for speed */
if (uO.exdir != (char *)NULL && !G.extract_flag) /* -d ignored */
Info(slide, 0x401, ((char *)slide, LoadFarString(NotExtracting)));
#endif /* ?(SFX && !SFX_EXDIR) */
#ifdef UNICODE_SUPPORT
/* set Unicode-escape-all if option -U used */
if (uO.U_flag == 1)
# ifdef UNICODE_WCHAR
G.unicode_escape_all = TRUE;
# else
Info(slide, 0x401, ((char *)slide, LoadFarString(UTF8EscapeUnSupp)));
# endif
#endif
/*---------------------------------------------------------------------------
Okey dokey, we have everything we need to get started. Let's roll.
---------------------------------------------------------------------------*/
retcode = process_zipfiles(__G);
cleanup_and_exit:
#if (defined(REENTRANT) && !defined(NO_EXCEPT_SIGNALS))
/* restore all signal handlers back to their state at function entry */
while (oldsighandlers != NULL) {
savsigs_info *thissigsav = oldsighandlers;
signal(thissigsav->sigtype, thissigsav->sighandler);
oldsighandlers = thissigsav->previous;
free(thissigsav);
}
#endif
#if (defined(MALLOC_WORK) && !defined(REENTRANT))
if (G.area.Slide != (uch *)NULL) {
free(G.area.Slide);
G.area.Slide = (uch *)NULL;
}
#endif
#if (defined(MSDOS) && !defined(SFX) && !defined(WINDLL))
if (retcode != PK_OK)
check_for_windows("UnZip");
#endif
return(retcode);
} /* end main()/unzip() */
#if (defined(REENTRANT) && !defined(NO_EXCEPT_SIGNALS))
/*******************************/
/* Function setsignalhandler() */
/*******************************/
static int setsignalhandler(__G__ p_savedhandler_chain, signal_type,
newhandler)
__GDEF
savsigs_info **p_savedhandler_chain;
int signal_type;
void (*newhandler)(int);
{
savsigs_info *savsig;
savsig = malloc(sizeof(savsigs_info));
if (savsig == NULL) {
/* error message and break */
Info(slide, 0x401, ((char *)slide, LoadFarString(CantSaveSigHandler)));
return PK_MEM;
}
savsig->sigtype = signal_type;
savsig->sighandler = signal(SIGINT, newhandler);
if (savsig->sighandler == SIG_ERR) {
free(savsig);
} else {
savsig->previous = *p_savedhandler_chain;
*p_savedhandler_chain = savsig;
}
return PK_OK;
} /* end function setsignalhandler() */
#endif /* REENTRANT && !NO_EXCEPT_SIGNALS */
/**********************/
/* Function uz_opts() */
/**********************/
int uz_opts(__G__ pargc, pargv)
__GDEF
int *pargc;
char ***pargv;
{
char **argv, *s;
int argc, c, error=FALSE, negative=0, showhelp=0;
argc = *pargc;
argv = *pargv;
#ifdef UNIX
extern char OEM_CP[MAX_CP_NAME];
extern char ISO_CP[MAX_CP_NAME];
#endif
while (++argv, (--argc > 0 && *argv != NULL && **argv == '-')) {
s = *argv + 1;
while ((c = *s++) != 0) { /* "!= 0": prevent Turbo C warning */
#ifdef CMS_MVS
switch (tolower(c))
#else
switch (c)
#endif
{
case ('-'):
++negative;
break;
#ifdef RISCOS
case ('/'):
if (negative) { /* negative not allowed with -/ swap */
Info(slide, 0x401, ((char *)slide,
"error: must give extensions list"));
return(PK_PARAM); /* don't extract here by accident */
}
exts2swap = s; /* override Unzip$Exts */
s += strlen(s);
break;
#endif
case ('a'):
if (negative) {
uO.aflag = MAX(uO.aflag-negative,0);
negative = 0;
} else
++uO.aflag;
break;
#if (defined(DLL) && defined(API_DOC))
case ('A'): /* extended help for API */
APIhelp(__G__ argc, argv);
*pargc = -1; /* signal to exit successfully */
return 0;
#endif
case ('b'):
if (negative) {
#if (defined(TANDEM) || defined(VMS))
uO.bflag = MAX(uO.bflag-negative,0);
#endif
negative = 0; /* do nothing: "-b" is default */
} else {
#ifdef VMS
if (uO.aflag == 0)
++uO.bflag;
#endif
#ifdef TANDEM
++uO.bflag;
#endif
uO.aflag = 0;
}
break;
#ifdef UNIXBACKUP
case ('B'): /* -B: back up existing files */
if (negative)
uO.B_flag = FALSE, negative = 0;
else
uO.B_flag = TRUE;
break;
#endif
case ('c'):
if (negative) {
uO.cflag = FALSE, negative = 0;
#ifdef NATIVE
uO.aflag = 0;
#endif
} else {
uO.cflag = TRUE;
#ifdef NATIVE
uO.aflag = 2; /* so you can read it on the screen */
#endif
#ifdef DLL
if (G.redirect_text)
G.redirect_data = 2;
#endif
}
break;
#ifndef CMS_MVS
case ('C'): /* -C: match filenames case-insensitively */
if (negative)
uO.C_flag = FALSE, negative = 0;
else
uO.C_flag = TRUE;
break;
#endif /* !CMS_MVS */
#if (!defined(SFX) || defined(SFX_EXDIR))
case ('d'):
if (negative) { /* negative not allowed with -d exdir */
Info(slide, 0x401, ((char *)slide,
LoadFarString(MustGiveExdir)));
return(PK_PARAM); /* don't extract here by accident */
}
if (uO.exdir != (char *)NULL) {
Info(slide, 0x401, ((char *)slide,
LoadFarString(OnlyOneExdir)));
return(PK_PARAM); /* GRR: stupid restriction? */
} else {
/* first check for "-dexdir", then for "-d exdir" */
uO.exdir = s;
if (*uO.exdir == '\0') {
if (argc > 1) {
--argc;
uO.exdir = *++argv;
if (*uO.exdir == '-') {
Info(slide, 0x401, ((char *)slide,
LoadFarString(MustGiveExdir)));
return(PK_PARAM);
}
/* else uO.exdir points at extraction dir */
} else {
Info(slide, 0x401, ((char *)slide,
LoadFarString(MustGiveExdir)));
return(PK_PARAM);
}
}
/* uO.exdir now points at extraction dir (-dexdir or
* -d exdir); point s at end of exdir to avoid mis-
* interpretation of exdir characters as more options
*/
if (*s != 0)
while (*++s != 0)
;
}
break;
#endif /* !SFX || SFX_EXDIR */
#if (!defined(NO_TIMESTAMPS))
case ('D'): /* -D: Skip restoring dir (or any) timestamp. */
if (negative) {
uO.D_flag = MAX(uO.D_flag-negative,0);
negative = 0;
} else
uO.D_flag++;
break;
#endif /* (!NO_TIMESTAMPS) */
case ('e'): /* just ignore -e, -x options (extract) */
break;
#ifdef MACOS
case ('E'): /* -E [MacOS] display Mac e.f. when restoring */
if( negative ) {
uO.E_flag = FALSE, negative = 0;
} else {
uO.E_flag = TRUE;
}
break;
#endif /* MACOS */
case ('f'): /* "freshen" (extract only newer files) */
if (negative)
uO.fflag = uO.uflag = FALSE, negative = 0;
else
uO.fflag = uO.uflag = TRUE;
break;
#if (defined(RISCOS) || defined(ACORN_FTYPE_NFS))
case ('F'): /* Acorn filetype & NFS extension handling */
if (negative)
uO.acorn_nfs_ext = FALSE, negative = 0;
else
uO.acorn_nfs_ext = TRUE;
break;
#endif /* RISCOS || ACORN_FTYPE_NFS */
case ('h'): /* just print help message and quit */
if (showhelp == 0) {
#ifndef SFX
if (*s == 'h')
showhelp = 2;
else
#endif /* !SFX */
{
showhelp = 1;
}
}
break;
#ifdef MACOS
case ('i'): /* -i [MacOS] ignore filenames stored in Mac ef */
if( negative ) {
uO.i_flag = FALSE, negative = 0;
} else {
uO.i_flag = TRUE;
}
break;
#endif /* MACOS */
#ifdef UNIX
case ('I'):
if (negative) {
Info(slide, 0x401, ((char *)slide,
"error: encodings can't be negated"));
return(PK_PARAM);
} else {
if(*s) { /* Handle the -Icharset case */
/* Assume that charsets can't start with a dash to spot arguments misuse */
if(*s == '-') {
Info(slide, 0x401, ((char *)slide,
"error: a valid character encoding should follow the -I argument"));
return(PK_PARAM);
}
strncpy(ISO_CP, s, sizeof(ISO_CP));
} else { /* -I charset */
++argv;
if(!(--argc > 0 && *argv != NULL && **argv != '-')) {
Info(slide, 0x401, ((char *)slide,
"error: a valid character encoding should follow the -I argument"));
return(PK_PARAM);
}
s = *argv;
strncpy(ISO_CP, s, sizeof(ISO_CP));
}
while(*(++s)); /* No params straight after charset name */
}
break;
#endif /* ?UNIX */
case ('j'): /* junk pathnames/directory structure */
if (negative)
uO.jflag = FALSE, negative = 0;
else
uO.jflag = TRUE;
break;
#if (defined(ATH_BEO) || defined(MACOS))
case ('J'): /* Junk AtheOS, BeOS or MacOS file attributes */
if( negative ) {
uO.J_flag = FALSE, negative = 0;
} else {
uO.J_flag = TRUE;
}
break;
#endif /* ATH_BEO || MACOS */
#ifdef ATH_BEO_UNX
case ('K'):
if (negative) {
uO.K_flag = FALSE, negative = 0;
} else {
uO.K_flag = TRUE;
}
break;
#endif /* ATH_BEO_UNX */
#ifndef SFX
case ('l'):
if (negative) {
uO.vflag = MAX(uO.vflag-negative,0);
negative = 0;
} else
++uO.vflag;
break;
#endif /* !SFX */
#ifndef CMS_MVS
case ('L'): /* convert (some) filenames to lowercase */
if (negative) {
uO.L_flag = MAX(uO.L_flag-negative,0);
negative = 0;
} else
++uO.L_flag;
break;
#endif /* !CMS_MVS */
#ifdef MORE
#ifdef CMS_MVS
case ('m'):
#endif
case ('M'): /* send all screen output through "more" fn. */
/* GRR: eventually check for numerical argument => height */
if (negative)
G.M_flag = FALSE, negative = 0;
else
G.M_flag = TRUE;
break;
#endif /* MORE */
case ('n'): /* don't overwrite any files */
if (negative)
uO.overwrite_none = FALSE, negative = 0;
else
uO.overwrite_none = TRUE;
break;
#ifdef AMIGA
case ('N'): /* restore comments as filenotes */
if (negative)
uO.N_flag = FALSE, negative = 0;
else
uO.N_flag = TRUE;
break;
#endif /* AMIGA */
case ('o'): /* OK to overwrite files without prompting */
if (negative) {
uO.overwrite_all = MAX(uO.overwrite_all-negative,0);
negative = 0;
} else
++uO.overwrite_all;
break;
#ifdef UNIX
case ('O'):
if (negative) {
Info(slide, 0x401, ((char *)slide,
"error: encodings can't be negated"));
return(PK_PARAM);
} else {
if(*s) { /* Handle the -Ocharset case */
/* Assume that charsets can't start with a dash to spot arguments misuse */
if(*s == '-') {
Info(slide, 0x401, ((char *)slide,
"error: a valid character encoding should follow the -I argument"));
return(PK_PARAM);
}
strncpy(OEM_CP, s, sizeof(OEM_CP));
} else { /* -O charset */
++argv;
if(!(--argc > 0 && *argv != NULL && **argv != '-')) {
Info(slide, 0x401, ((char *)slide,
"error: a valid character encoding should follow the -O argument"));
return(PK_PARAM);
}
s = *argv;
strncpy(OEM_CP, s, sizeof(OEM_CP));
}
while(*(++s)); /* No params straight after charset name */
}
break;
#endif /* ?UNIX */
case ('p'): /* pipes: extract to stdout, no messages */
if (negative) {
uO.cflag = FALSE;
uO.qflag = MAX(uO.qflag-999,0);
negative = 0;
} else {
uO.cflag = TRUE;
uO.qflag += 999;
}
break;
#if CRYPT
/* GRR: yes, this is highly insecure, but dozens of people
* have pestered us for this, so here we go... */
case ('P'):
if (negative) { /* negative not allowed with -P passwd */
Info(slide, 0x401, ((char *)slide,
LoadFarString(MustGivePasswd)));
return(PK_PARAM); /* don't extract here by accident */
}
if (uO.pwdarg != (char *)NULL) {
/*
GRR: eventually support multiple passwords?
Info(slide, 0x401, ((char *)slide,
LoadFarString(OnlyOnePasswd)));
return(PK_PARAM);
*/
} else {
/* first check for "-Ppasswd", then for "-P passwd" */
uO.pwdarg = s;
if (*uO.pwdarg == '\0') {
if (argc > 1) {
--argc;
uO.pwdarg = *++argv;
if (*uO.pwdarg == '-') {
Info(slide, 0x401, ((char *)slide,
LoadFarString(MustGivePasswd)));
return(PK_PARAM);
}
/* else pwdarg points at decryption password */
} else {
Info(slide, 0x401, ((char *)slide,
LoadFarString(MustGivePasswd)));
return(PK_PARAM);
}
}
/* pwdarg now points at decryption password (-Ppasswd or
* -P passwd); point s at end of passwd to avoid mis-
* interpretation of passwd characters as more options
*/
if (*s != 0)
while (*++s != 0)
;
}
break;
#endif /* CRYPT */
case ('q'): /* quiet: fewer comments/messages */
if (negative) {
uO.qflag = MAX(uO.qflag-negative,0);
negative = 0;
} else
++uO.qflag;
break;
#ifdef QDOS
case ('Q'): /* QDOS flags */
qlflag ^= strtol(s, &s, 10);
break; /* we XOR this as we can config qlflags */
#endif
#ifdef TANDEM
case ('r'): /* remove file extensions */
if (negative)
uO.rflag = FALSE, negative = 0;
else
uO.rflag = TRUE;
break;
#endif /* TANDEM */
#ifdef DOS_FLX_NLM_OS2_W32
case ('s'): /* spaces in filenames: allow by default */
if (negative)
uO.sflag = FALSE, negative = 0;
else
uO.sflag = TRUE;
break;
#endif /* DOS_FLX_NLM_OS2_W32 */
#ifdef VMS
/* VMS: extract "text" files in Stream_LF format (-a[a]) */
case ('S'):
if (negative)
uO.S_flag = FALSE, negative = 0;
else
uO.S_flag = TRUE;
break;
#endif /* VMS */
case ('t'):
if (negative)
uO.tflag = FALSE, negative = 0;
else
uO.tflag = TRUE;
break;
#ifdef TIMESTAMP
case ('T'):
if (negative)
uO.T_flag = FALSE, negative = 0;
else
uO.T_flag = TRUE;
break;
#endif
case ('u'): /* update (extract only new and newer files) */
if (negative)
uO.uflag = FALSE, negative = 0;
else
uO.uflag = TRUE;
break;
#ifdef UNICODE_SUPPORT
case ('U'): /* escape UTF-8, or disable UTF-8 support */
if (negative) {
uO.U_flag = MAX(uO.U_flag-negative,0);
negative = 0;
} else
uO.U_flag++;
break;
#else /* !UNICODE_SUPPORT */
#ifndef CMS_MVS
case ('U'): /* obsolete; to be removed in version 6.0 */
if (negative)
uO.L_flag = TRUE, negative = 0;
else
uO.L_flag = FALSE;
break;
#endif /* !CMS_MVS */
#endif /* ?UNICODE_SUPPORT */
#ifndef SFX
case ('v'): /* verbose */
if (negative) {
uO.vflag = MAX(uO.vflag-negative,0);
negative = 0;
} else if (uO.vflag)
++uO.vflag;
else
uO.vflag = 2;
break;
#endif /* !SFX */
#ifndef CMS_MVS
case ('V'): /* Version (retain VMS/DEC-20 file versions) */
if (negative)
uO.V_flag = FALSE, negative = 0;
else
uO.V_flag = TRUE;
break;
#endif /* !CMS_MVS */
#ifdef WILD_STOP_AT_DIR
case ('W'): /* Wildcard interpretation (stop at '/'?) */
if (negative)
uO.W_flag = FALSE, negative = 0;
else
uO.W_flag = TRUE;
break;
#endif /* WILD_STOP_AT_DIR */
case ('x'): /* extract: default */
#ifdef SFX
/* when 'x' is the only option in this argument, and the
* next arg is not an option, assume this initiates an
* exclusion list (-x xlist): terminate option-scanning
* and leave uz_opts with argv still pointing to "-x";
* the xlist is processed later
*/
if (s - argv[0] == 2 && *s == '\0' &&
argc > 1 && argv[1][0] != '-') {
/* break out of nested loops without "++argv;--argc" */
goto opts_done;
}
#endif /* SFX */
break;
#if (defined(RESTORE_UIDGID) || defined(RESTORE_ACL))
case ('X'): /* restore owner/protection info (need privs?) */
if (negative) {
uO.X_flag = MAX(uO.X_flag-negative,0);
negative = 0;
} else
++uO.X_flag;
break;
#endif /* RESTORE_UIDGID || RESTORE_ACL */
#ifdef VMS
case ('Y'): /* Treat ".nnn" as ";nnn" version. */
if (negative)
uO.Y_flag = FALSE, negative = 0;
else
uO.Y_flag = TRUE;
break;
#endif /* VMS */
case ('z'): /* display only the archive comment */
if (negative) {
uO.zflag = MAX(uO.zflag-negative,0);
negative = 0;
} else
++uO.zflag;
break;
#ifndef SFX
case ('Z'): /* should have been first option (ZipInfo) */
Info(slide, 0x401, ((char *)slide, LoadFarString(Zfirst)));
error = TRUE;
break;
#endif /* !SFX */
#ifdef VMS
case ('2'): /* Force ODS2-compliant names. */
if (negative)
uO.ods2_flag = FALSE, negative = 0;
else
uO.ods2_flag = TRUE;
break;
#endif /* VMS */
#ifdef DOS_H68_OS2_W32
case ('$'):
if (negative) {
uO.volflag = MAX(uO.volflag-negative,0);
negative = 0;
} else
++uO.volflag;
break;
#endif /* DOS_H68_OS2_W32 */
#if (!defined(RISCOS) && !defined(CMS_MVS) && !defined(TANDEM))
case (':'): /* allow "parent dir" path components */
if (negative) {
uO.ddotflag = MAX(uO.ddotflag-negative,0);
negative = 0;
} else
++uO.ddotflag;
break;
#endif /* !RISCOS && !CMS_MVS && !TANDEM */
#ifdef UNIX
case ('^'): /* allow control chars in filenames */
if (negative) {
uO.cflxflag = MAX(uO.cflxflag-negative,0);
negative = 0;
} else
++uO.cflxflag;
break;
#endif /* UNIX */
default:
error = TRUE;
break;
} /* end switch */
} /* end while (not end of argument string) */
} /* end while (not done with switches) */
/*---------------------------------------------------------------------------
Check for nonsensical combinations of options.
---------------------------------------------------------------------------*/
#ifdef SFX
opts_done: /* yes, very ugly...but only used by UnZipSFX with -x xlist */
#endif
if (showhelp > 0) { /* just print help message and quit */
*pargc = -1;
#ifndef SFX
if (showhelp == 2) {
help_extended(__G);
return PK_OK;
} else
#endif /* !SFX */
{
return USAGE(PK_OK);
}
}
if ((uO.cflag && (uO.tflag || uO.uflag)) ||
(uO.tflag && uO.uflag) || (uO.fflag && uO.overwrite_none))
{
Info(slide, 0x401, ((char *)slide, LoadFarString(InvalidOptionsMsg)));
error = TRUE;
}
if (uO.aflag > 2)
uO.aflag = 2;
#ifdef VMS
if (uO.bflag > 2)
uO.bflag = 2;
/* Clear -s flag when converting text files. */
if (uO.aflag <= 0)
uO.S_flag = 0;
#endif /* VMS */
if (uO.overwrite_all && uO.overwrite_none) {
Info(slide, 0x401, ((char *)slide, LoadFarString(IgnoreOOptionMsg)));
uO.overwrite_all = FALSE;
}
#ifdef MORE
if (G.M_flag && !isatty(1)) /* stdout redirected: "more" func. useless */
G.M_flag = 0;
#endif
#ifdef SFX
if (error)
#else
if ((argc-- == 0) || error)
#endif
{
*pargc = argc;
*pargv = argv;
#ifndef SFX
if (uO.vflag >= 2 && argc == -1) { /* "unzip -v" */
show_version_info(__G);
return PK_OK;
}
if (!G.noargs && !error)
error = TRUE; /* had options (not -h or -v) but no zipfile */
#endif /* !SFX */
return USAGE(error);
}
#ifdef SFX
/* print our banner unless we're being fairly quiet */
if (uO.qflag < 2)
Info(slide, error? 1 : 0, ((char *)slide, LoadFarString(UnzipSFXBanner),
UZ_MAJORVER, UZ_MINORVER, UZ_PATCHLEVEL, UZ_BETALEVEL,
LoadFarStringSmall(VersionDate)));
#ifdef BETA
/* always print the beta warning: no unauthorized distribution!! */
Info(slide, error? 1 : 0, ((char *)slide, LoadFarString(BetaVersion), "\n",
"SFX"));
#endif
#endif /* SFX */
if (uO.cflag || uO.tflag || uO.vflag || uO.zflag
#ifdef TIMESTAMP
|| uO.T_flag
#endif
)
G.extract_flag = FALSE;
else
G.extract_flag = TRUE;
*pargc = argc;
*pargv = argv;
return PK_OK;
} /* end function uz_opts() */
/********************/
/* Function usage() */
/********************/
#ifdef SFX
# ifdef VMS
# define LOCAL "X.\n\
(Must quote upper-case options, like \"-V\", unless SET PROC/PARSE=EXTEND.)"
# endif
# ifdef UNIX
# define LOCAL "X"
# endif
# ifdef DOS_OS2_W32
# define LOCAL "s$"
# endif
# if (defined(FLEXOS) || defined(NLM))
# define LOCAL "s"
# endif
# ifdef AMIGA
# define LOCAL "N"
# endif
/* Default for all other systems: */
# ifndef LOCAL
# define LOCAL ""
# endif
# ifndef NO_TIMESTAMP
# ifdef MORE
# define SFXOPT1 "DM"
# else
# define SFXOPT1 "D"
# endif
# else
# ifdef MORE
# define SFXOPT1 "M"
# else
# define SFXOPT1 ""
# endif
# endif
int usage(__G__ error) /* return PK-type error code */
__GDEF
int error;
{
Info(slide, error? 1 : 0, ((char *)slide, LoadFarString(UnzipSFXBanner),
UZ_MAJORVER, UZ_MINORVER, UZ_PATCHLEVEL, UZ_BETALEVEL,
LoadFarStringSmall(VersionDate)));
Info(slide, error? 1 : 0, ((char *)slide, LoadFarString(UnzipSFXOpts),
SFXOPT1, LOCAL));
#ifdef BETA
Info(slide, error? 1 : 0, ((char *)slide, LoadFarString(BetaVersion), "\n",
"SFX"));
#endif
if (error)
return PK_PARAM;
else
return PK_COOL; /* just wanted usage screen: no error */
} /* end function usage() */
#else /* !SFX */
# ifdef VMS
# define QUOT '\"'
# define QUOTS "\""
# else
# define QUOT ' '
# define QUOTS ""
# endif
int usage(__G__ error) /* return PK-type error code */
__GDEF
int error;
{
int flag = (error? 1 : 0);
/*---------------------------------------------------------------------------
Print either ZipInfo usage or UnZip usage, depending on incantation.
(Strings must be no longer than 512 bytes for Turbo C, apparently.)
---------------------------------------------------------------------------*/
if (uO.zipinfo_mode) {
#ifndef NO_ZIPINFO
Info(slide, flag, ((char *)slide, LoadFarString(ZipInfoUsageLine1),
ZI_MAJORVER, ZI_MINORVER, UZ_PATCHLEVEL, UZ_BETALEVEL,
LoadFarStringSmall(VersionDate),
LoadFarStringSmall2(ZipInfoExample), QUOTS,QUOTS));
Info(slide, flag, ((char *)slide, LoadFarString(ZipInfoUsageLine2)));
Info(slide, flag, ((char *)slide, LoadFarString(ZipInfoUsageLine3),
LoadFarStringSmall(ZipInfoUsageLine4)));
#ifdef VMS
Info(slide, flag, ((char *)slide, "\n\
You must quote non-lowercase options and filespecs, unless SET PROC/PARSE=EXT.\
\n"));
#endif
#endif /* !NO_ZIPINFO */
} else { /* UnZip mode */
Info(slide, flag, ((char *)slide, LoadFarString(UnzipUsageLine1),
UZ_MAJORVER, UZ_MINORVER, UZ_PATCHLEVEL, UZ_BETALEVEL,
LoadFarStringSmall(VersionDate)));
#ifdef BETA
Info(slide, flag, ((char *)slide, LoadFarString(BetaVersion), "", ""));
#endif
Info(slide, flag, ((char *)slide, LoadFarString(UnzipUsageLine2),
ZIPINFO_MODE_OPTION, LoadFarStringSmall(ZipInfoMode)));
#ifdef VMS
if (!error) /* maybe no command-line tail found; show extra help */
Info(slide, flag, ((char *)slide, LoadFarString(VMSusageLine2b)));
#endif
Info(slide, flag, ((char *)slide, LoadFarString(UnzipUsageLine3),
LoadFarStringSmall(local1)));
Info(slide, flag, ((char *)slide, LoadFarString(UnzipUsageLine4),
LoadFarStringSmall(local2), LoadFarStringSmall2(local3)));
/* This is extra work for SMALL_MEM, but it will work since
* LoadFarStringSmall2 uses the same buffer. Remember, this
* is a hack. */
Info(slide, flag, ((char *)slide, LoadFarString(UnzipUsageLine5),
LoadFarStringSmall(Example2), LoadFarStringSmall2(Example3),
LoadFarStringSmall2(Example3)));
} /* end if (uO.zipinfo_mode) */
if (error)
return PK_PARAM;
else
return PK_COOL; /* just wanted usage screen: no error */
} /* end function usage() */
#endif /* ?SFX */
#ifndef SFX
/* Print extended help to stdout. */
static void help_extended(__G)
__GDEF
{
extent i; /* counter for help array */
/* help array */
static ZCONST char *text[] = {
"",
"Extended Help for UnZip",
"",
"See the UnZip Manual for more detailed help",
"",
"",
"UnZip lists and extracts files in zip archives. The default action is to",
"extract zipfile entries to the current directory, creating directories as",
"needed. With appropriate options, UnZip lists the contents of archives",
"instead.",
"",
"Basic unzip command line:",
" unzip [-Z] options archive[.zip] [file ...] [-x xfile ...] [-d exdir]",
"",
"Some examples:",
" unzip -l foo.zip - list files in short format in archive foo.zip",
"",
" unzip -t foo - test the files in archive foo",
"",
" unzip -Z foo - list files using more detailed zipinfo format",
"",
" unzip foo - unzip the contents of foo in current dir",
"",
" unzip -a foo - unzip foo and convert text files to local OS",
"",
"If unzip is run in zipinfo mode, a more detailed list of archive contents",
"is provided. The -Z option sets zipinfo mode and changes the available",
"options.",
"",
"Basic zipinfo command line:",
" zipinfo options archive[.zip] [file ...] [-x xfile ...]",
" unzip -Z options archive[.zip] [file ...] [-x xfile ...]",
"",
"Below, Mac OS refers to Mac OS before Mac OS X. Mac OS X is a Unix based",
"port and is referred to as Unix Apple.",
"",
"",
"unzip options:",
" -Z Switch to zipinfo mode. Must be first option.",
" -hh Display extended help.",
" -A [OS/2, Unix DLL] Print extended help for DLL.",
" -c Extract files to stdout/screen. As -p but include names. Also,",
" -a allowed and EBCDIC conversions done if needed.",
" -f Freshen by extracting only if older file on disk.",
" -l List files using short form.",
" -p Extract files to pipe (stdout). Only file data is output and all",
" files extracted in binary mode (as stored).",
" -t Test archive files.",
" -T Set timestamp on archive(s) to that of newest file. Similar to",
" zip -o but faster.",
" -u Update existing older files on disk as -f and extract new files.",
" -v Use verbose list format. If given alone as unzip -v show version",
" information. Also can be added to other list commands for more",
" verbose output.",
" -z Display only archive comment.",
"",
"unzip modifiers:",
" -a Convert text files to local OS format. Convert line ends, EOF",
" marker, and from or to EBCDIC character set as needed.",
" -b Treat all files as binary. [Tandem] Force filecode 180 ('C').",
" [VMS] Autoconvert binary files. -bb forces convert of all files.",
" -B [UNIXBACKUP compile option enabled] Save a backup copy of each",
" overwritten file in foo~ or foo~99999 format.",
" -C Use case-insensitive matching.",
" -D Skip restoration of timestamps for extracted directories. On VMS this",
" is on by default and -D essentially becames -DD.",
" -DD Skip restoration of timestamps for all entries.",
" -E [MacOS (not Unix Apple)] Display contents of MacOS extra field during",
" restore.",
" -F [Acorn] Suppress removal of NFS filetype extension. [Non-Acorn if",
" ACORN_FTYPE_NFS] Translate filetype and append to name.",
" -i [MacOS] Ignore filenames in MacOS extra field. Instead, use name in",
" standard header.",
" -j Junk paths and deposit all files in extraction directory.",
" -J [BeOS] Junk file attributes. [MacOS] Ignore MacOS specific info.",
" -K [AtheOS, BeOS, Unix] Restore SUID/SGID/Tacky file attributes.",
" -L Convert to lowercase any names from uppercase only file system.",
" -LL Convert all files to lowercase.",
" -M Pipe all output through internal pager similar to Unix more(1).",
" -n Never overwrite existing files. Skip extracting that file, no prompt.",
" -N [Amiga] Extract file comments as Amiga filenotes.",
" -o Overwrite existing files without prompting. Useful with -f. Use with",
" care.",
" -P p Use password p to decrypt files. THIS IS INSECURE! Some OS show",
" command line to other users.",
" -q Perform operations quietly. The more q (as in -qq) the quieter.",
" -s [OS/2, NT, MS-DOS] Convert spaces in filenames to underscores.",
" -S [VMS] Convert text files (-a, -aa) into Stream_LF format.",
" -U [UNICODE enabled] Show non-local characters as #Uxxxx or #Lxxxxxx ASCII",
" text escapes where x is hex digit. [Old] -U used to leave names",
" uppercase if created on MS-DOS, VMS, etc. See -L.",
" -UU [UNICODE enabled] Disable use of stored UTF-8 paths. Note that UTF-8",
" paths stored as native local paths are still processed as Unicode.",
" -V Retain VMS file version numbers.",
" -W [Only if WILD_STOP_AT_DIR] Modify pattern matching so ? and * do not",
" match directory separator /, but ** does. Allows matching at specific",
" directory levels.",
" -X [VMS, Unix, OS/2, NT, Tandem] Restore UICs and ACL entries under VMS,",
" or UIDs/GIDs under Unix, or ACLs under certain network-enabled",
" versions of OS/2, or security ACLs under Windows NT. Can require",
" user privileges.",
" -XX [NT] Extract NT security ACLs after trying to enable additional",
" system privileges.",
" -Y [VMS] Treat archived name endings of .nnn as VMS version numbers.",
" -$ [MS-DOS, OS/2, NT] Restore volume label if extraction medium is",
" removable. -$$ allows fixed media (hard drives) to be labeled.",
" -/ e [Acorn] Use e as extension list.",
" -: [All but Acorn, VM/CMS, MVS, Tandem] Allow extract archive members into",
" locations outside of current extraction root folder. This allows",
" paths such as ../foo to be extracted above the current extraction",
" directory, which can be a security problem.",
" -^ [Unix] Allow control characters in names of extracted entries. Usually",
" this is not a good thing and should be avoided.",
" -2 [VMS] Force unconditional conversion of names to ODS-compatible names.",
" Default is to exploit destination file system, preserving cases and",
" extended name characters on ODS5 and applying ODS2 filtering on ODS2.",
"",
"",
"Wildcards:",
" Internally unzip supports the following wildcards:",
" ? (or %% or #, depending on OS) matches any single character",
" * matches any number of characters, including zero",
" [list] matches char in list (regex), can do range [ac-f], all but [!bf]",
" If port supports [], must escape [ as [[]",
" For shells that expand wildcards, escape (\\* or \"*\") so unzip can recurse.",
"",
"Include and Exclude:",
" -i pattern pattern ... include files that match a pattern",
" -x pattern pattern ... exclude files that match a pattern",
" Patterns are paths with optional wildcards and match paths as stored in",
" archive. Exclude and include lists end at next option or end of line.",
" unzip archive -x pattern pattern ...",
"",
"Multi-part (split) archives (archives created as a set of split files):",
" Currently split archives are not readable by unzip. A workaround is",
" to use zip to convert the split archive to a single-file archive and",
" use unzip on that. See the manual page for Zip 3.0 or later.",
"",
"Streaming (piping into unzip):",
" Currently unzip does not support streaming. The funzip utility can be",
" used to process the first entry in a stream.",
" cat archive | funzip",
"",
"Testing archives:",
" -t test contents of archive",
" This can be modified using -q for quieter operation, and -qq for even",
" quieter operation.",
"",
"Unicode:",
" If compiled with Unicode support, unzip automatically handles archives",
" with Unicode entries. Currently Unicode on Win32 systems is limited.",
" Characters not in the current character set are shown as ASCII escapes",
" in the form #Uxxxx where the Unicode character number fits in 16 bits,",
" or #Lxxxxxx where it doesn't, where x is the ASCII character for a hex",
" digit.",
"",
"",
"zipinfo options (these are used in zipinfo mode (unzip -Z ...)):",
" -1 List names only, one per line. No headers/trailers. Good for scripts.",
" -2 List names only as -1, but include headers, trailers, and comments.",
" -s List archive entries in short Unix ls -l format. Default list format.",
" -m List in long Unix ls -l format. As -s, but includes compression %.",
" -l List in long Unix ls -l format. As -m, but compression in bytes.",
" -v List zipfile information in verbose, multi-page format.",
" -h List header line. Includes archive name, actual size, total files.",
" -M Pipe all output through internal pager similar to Unix more(1) command.",
" -t List totals for files listed or for all files. Includes uncompressed",
" and compressed sizes, and compression factors.",
" -T Print file dates and times in a sortable decimal format (yymmdd.hhmmss)",
" Default date and time format is a more human-readable version.",
" -U [UNICODE] If entry has a UTF-8 Unicode path, display any characters",
" not in current character set as text #Uxxxx and #Lxxxxxx escapes",
" representing the Unicode character number of the character in hex.",
" -UU [UNICODE] Disable use of any UTF-8 path information.",
" -z Include archive comment if any in listing.",
"",
"",
"funzip stream extractor:",
" funzip extracts the first member in an archive to stdout. Typically",
" used to unzip the first member of a stream or pipe. If a file argument",
" is given, read from that file instead of stdin.",
"",
"funzip command line:",
" funzip [-password] [input[.zip|.gz]]",
"",
"",
"unzipsfx self extractor:",
" Self-extracting archives made with unzipsfx are no more (or less)",
" portable across different operating systems than unzip executables.",
" In general, a self-extracting archive made on a particular Unix system,",
" for example, will only self-extract under the same flavor of Unix.",
" Regular unzip may still be used to extract embedded archive however.",
"",
"unzipsfx command line:",
" <unzipsfx+archive_filename> [-options] [file(s) ... [-x xfile(s) ...]]",
"",
"unzipsfx options:",
" -c, -p - Output to pipe. (See above for unzip.)",
" -f, -u - Freshen and Update, as for unzip.",
" -t - Test embedded archive. (Can be used to list contents.)",
" -z - Print archive comment. (See unzip above.)",
"",
"unzipsfx modifiers:",
" Most unzip modifiers are supported. These include",
" -a - Convert text files.",
" -n - Never overwrite.",
" -o - Overwrite without prompting.",
" -q - Quiet operation.",
" -C - Match names case-insensitively.",
" -j - Junk paths.",
" -V - Keep version numbers.",
" -s - Convert spaces to underscores.",
" -$ - Restore volume label.",
"",
"If unzipsfx compiled with SFX_EXDIR defined, -d option also available:",
" -d exd - Extract to directory exd.",
"By default, all files extracted to current directory. This option",
"forces extraction to specified directory.",
"",
"See unzipsfx manual page for more information.",
""
};
for (i = 0; i < sizeof(text)/sizeof(char *); i++)
{
Info(slide, 0, ((char *)slide, "%s\n", text[i]));
}
} /* end function help_extended() */
#ifndef _WIN32_WCE /* Win CE does not support environment variables */
#if (!defined(MODERN) || defined(NO_STDLIB_H))
/* Declare getenv() to be sure (might be missing in some environments) */
extern char *getenv();
#endif
#endif
/********************************/
/* Function show_version_info() */
/********************************/
static void show_version_info(__G)
__GDEF
{
if (uO.qflag > 3) /* "unzip -vqqqq" */
Info(slide, 0, ((char *)slide, "%d\n",
(UZ_MAJORVER*100 + UZ_MINORVER*10 + UZ_PATCHLEVEL)));
else {
#ifndef _WIN32_WCE /* Win CE does not support environment variables */
char *envptr;
#endif
int numopts = 0;
Info(slide, 0, ((char *)slide, LoadFarString(UnzipUsageLine1v),
UZ_MAJORVER, UZ_MINORVER, UZ_PATCHLEVEL, UZ_BETALEVEL,
LoadFarStringSmall(VersionDate)));
Info(slide, 0, ((char *)slide,
LoadFarString(UnzipUsageLine2v)));
version(__G);
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptions)));
#ifdef ACORN_FTYPE_NFS
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(AcornFtypeNFS)));
++numopts;
#endif
#ifdef ASM_CRC
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(AsmCRC)));
++numopts;
#endif
#ifdef ASM_INFLATECODES
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(AsmInflateCodes)));
++numopts;
#endif
#ifdef CHECK_VERSIONS
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Check_Versions)));
++numopts;
#endif
#ifdef COPYRIGHT_CLEAN
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Copyright_Clean)));
++numopts;
#endif
#ifdef DEBUG
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(UDebug)));
++numopts;
#endif
#ifdef DEBUG_TIME
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(DebugTime)));
++numopts;
#endif
#ifdef DLL
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Dll)));
++numopts;
#endif
#ifdef DOSWILD
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(DosWild)));
++numopts;
#endif
#ifdef LZW_CLEAN
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(LZW_Clean)));
++numopts;
#endif
#ifndef MORE
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(No_More)));
++numopts;
#endif
#ifdef NO_ZIPINFO
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(No_ZipInfo)));
++numopts;
#endif
#ifdef NTSD_EAS
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(NTSDExtAttrib)));
++numopts;
#endif
#if defined(WIN32) && defined(NO_W32TIMES_IZFIX)
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(W32NoIZTimeFix)));
++numopts;
#endif
#ifdef OLD_THEOS_EXTRA
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(OldTheosExtra)));
++numopts;
#endif
#ifdef OS2_EAS
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(OS2ExtAttrib)));
++numopts;
#endif
#ifdef QLZIP
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(SMSExFldOnUnix)));
++numopts;
#endif
#ifdef REENTRANT
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Reentrant)));
++numopts;
#endif
#ifdef REGARGS
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(RegArgs)));
++numopts;
#endif
#ifdef RETURN_CODES
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Return_Codes)));
++numopts;
#endif
#ifdef SET_DIR_ATTRIB
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(SetDirAttrib)));
++numopts;
#endif
#ifdef SYMLINKS
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(SymLinkSupport)));
++numopts;
#endif
#ifdef TIMESTAMP
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(TimeStamp)));
++numopts;
#endif
#ifdef UNIXBACKUP
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(UnixBackup)));
++numopts;
#endif
#ifdef USE_EF_UT_TIME
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Use_EF_UT_time)));
++numopts;
#endif
#ifndef COPYRIGHT_CLEAN
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Use_Smith_Code)));
++numopts;
#endif
#ifndef LZW_CLEAN
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Use_Unshrink)));
++numopts;
#endif
#ifdef USE_DEFLATE64
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Use_Deflate64)));
++numopts;
#endif
#ifdef UNICODE_SUPPORT
# ifdef UTF8_MAYBE_NATIVE
sprintf((char *)(slide+256), LoadFarStringSmall(Use_Unicode),
LoadFarStringSmall2(G.native_is_utf8 ? SysChUTF8 : SysChOther));
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
(char *)(slide+256)));
# else
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Use_Unicode)));
# endif
++numopts;
#endif
#ifdef _MBCS
sprintf((char *)(slide+256), LoadFarStringSmall(Have_MBCS_Support),
(unsigned int)MB_CUR_MAX);
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
(char *)(slide+256)));
++numopts;
#endif
#ifdef MULT_VOLUME
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Use_MultiVol)));
++numopts;
#endif
#ifdef LARGE_FILE_SUPPORT
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Use_LFS)));
++numopts;
#endif
#ifdef ZIP64_SUPPORT
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Use_Zip64)));
++numopts;
#endif
#if (defined(__DJGPP__) && (__DJGPP__ >= 2))
# ifdef USE_DJGPP_ENV
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Use_DJGPP_Env)));
++numopts;
# endif
# ifdef USE_DJGPP_GLOB
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Use_DJGPP_Glob)));
++numopts;
# endif
#endif /* __DJGPP__ && (__DJGPP__ >= 2) */
#ifdef USE_VFAT
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(Use_VFAT_support)));
++numopts;
#endif
#ifdef USE_ZLIB
sprintf((char *)(slide+256), LoadFarStringSmall(UseZlib),
ZLIB_VERSION, zlibVersion());
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
(char *)(slide+256)));
++numopts;
#endif
#ifdef USE_BZIP2
sprintf((char *)(slide+256), LoadFarStringSmall(UseBZip2),
BZ2_bzlibVersion());
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
(char *)(slide+256)));
++numopts;
#endif
#ifdef VMS_TEXT_CONV
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(VmsTextConv)));
++numopts;
#endif
#ifdef VMSCLI
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(VmsCLI)));
++numopts;
#endif
#ifdef VMSWILD
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(VmsWild)));
++numopts;
#endif
#ifdef WILD_STOP_AT_DIR
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(WildStopAtDir)));
++numopts;
#endif
#if CRYPT
# ifdef PASSWD_FROM_STDIN
Info(slide, 0, ((char *)slide, LoadFarString(CompileOptFormat),
LoadFarStringSmall(PasswdStdin)));
# endif
Info(slide, 0, ((char *)slide, LoadFarString(Decryption),
CR_MAJORVER, CR_MINORVER, CR_BETA_VER,
LoadFarStringSmall(CryptDate)));
++numopts;
#endif /* CRYPT */
if (numopts == 0)
Info(slide, 0, ((char *)slide,
LoadFarString(CompileOptFormat),
LoadFarStringSmall(None)));
#ifndef _WIN32_WCE /* Win CE does not support environment variables */
Info(slide, 0, ((char *)slide, LoadFarString(EnvOptions)));
envptr = getenv(LoadFarStringSmall(EnvUnZip));
Info(slide, 0, ((char *)slide, LoadFarString(EnvOptFormat),
LoadFarStringSmall(EnvUnZip),
(envptr == (char *)NULL || *envptr == 0)?
LoadFarStringSmall2(None) : envptr));
envptr = getenv(LoadFarStringSmall(EnvUnZip2));
Info(slide, 0, ((char *)slide, LoadFarString(EnvOptFormat),
LoadFarStringSmall(EnvUnZip2),
(envptr == (char *)NULL || *envptr == 0)?
LoadFarStringSmall2(None) : envptr));
envptr = getenv(LoadFarStringSmall(EnvZipInfo));
Info(slide, 0, ((char *)slide, LoadFarString(EnvOptFormat),
LoadFarStringSmall(EnvZipInfo),
(envptr == (char *)NULL || *envptr == 0)?
LoadFarStringSmall2(None) : envptr));
envptr = getenv(LoadFarStringSmall(EnvZipInfo2));
Info(slide, 0, ((char *)slide, LoadFarString(EnvOptFormat),
LoadFarStringSmall(EnvZipInfo2),
(envptr == (char *)NULL || *envptr == 0)?
LoadFarStringSmall2(None) : envptr));
#ifndef __RSXNT__
#ifdef __EMX__
envptr = getenv(LoadFarStringSmall(EnvEMX));
Info(slide, 0, ((char *)slide, LoadFarString(EnvOptFormat),
LoadFarStringSmall(EnvEMX),
(envptr == (char *)NULL || *envptr == 0)?
LoadFarStringSmall2(None) : envptr));
envptr = getenv(LoadFarStringSmall(EnvEMXOPT));
Info(slide, 0, ((char *)slide, LoadFarString(EnvOptFormat),
LoadFarStringSmall(EnvEMXOPT),
(envptr == (char *)NULL || *envptr == 0)?
LoadFarStringSmall2(None) : envptr));
#endif /* __EMX__ */
#if (defined(__GO32__) && (!defined(__DJGPP__) || (__DJGPP__ < 2)))
envptr = getenv(LoadFarStringSmall(EnvGO32));
Info(slide, 0, ((char *)slide, LoadFarString(EnvOptFormat),
LoadFarStringSmall(EnvGO32),
(envptr == (char *)NULL || *envptr == 0)?
LoadFarStringSmall2(None) : envptr));
envptr = getenv(LoadFarStringSmall(EnvGO32TMP));
Info(slide, 0, ((char *)slide, LoadFarString(EnvOptFormat),
LoadFarStringSmall(EnvGO32TMP),
(envptr == (char *)NULL || *envptr == 0)?
LoadFarStringSmall2(None) : envptr));
#endif /* __GO32__ && !(__DJGPP__ >= 2) */
#endif /* !__RSXNT__ */
#ifdef RISCOS
envptr = getenv(LoadFarStringSmall(EnvUnZipExts));
Info(slide, 0, ((char *)slide, LoadFarString(EnvOptFormat),
LoadFarStringSmall(EnvUnZipExts),
(envptr == (char *)NULL || *envptr == 0)?
LoadFarStringSmall2(None) : envptr));
#endif /* RISCOS */
#endif /* !_WIN32_WCE */
}
} /* end function show_version() */
#endif /* !SFX */
#endif /* !WINDLL */
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