history.540

完整的解压zip文件的源码。包含密码功能

UnZip, version 5.4, 28 November 1998

Features added (or removed):

5.33a (05 Dec 97):
 - expanded file-size fields for -l/-v listings [GRR, Raymond Chi]
 - expanded file-size fields in non-verbose ZipInfo listings [Christian]
 - WinDLL:  enabled emx/rsxnt compilation and fixed some minor bugs [Christian]
 - Win32:  added Borland C++ makefile [E-Yen Tan]
 - Unix:  added BINPERMS and MANPERMS variables to makefile for setting file
    perms on installed binaries and man pages; replaced rogue "rm -f" [Quentin
    Barnes, GRR]
 - Unix:  added generic_shlib target for Unix DLLs [GRR, Thomas Klausner]

5.33b (24 Dec 97):
 - VMS:  added "zip -A" call to mksfx.com to fix offsets in central dir [SPC]
 - MSDOS, WIN32: added restoration of directory attributes [SPC]
 - IBM OS/390: new port (POSIX environment, EBCDIC) [Paul von Behrend]

5.33c (15 Apr 98):
 - OS/2: restore directory attributes (system, hidden) [Kai Uwe Rommel]
 - WIN32: added support for RSXNTDJ 1.3.1 [E-Yen Tan, SPC]
 - DLL: added UzpFreeMemBuffer() function to release memory allocated by
    UzpUnzipToMemory() [Mike White]
 - BeOS: support extraction of file attributes from BeOS extra field for
    symbolic links [Chris Herborth]
 - MSDOS: do not use UTC time-stamps when TZ environment not set [Cosmin Truta]
 - WIN32: added support for GCC in Cygnus Win32 environment [Cosmin Truta]
 - VM/CMS and MVS support, compiled on IBM OS/390 [Ian. E. Gorman]

5.33d (30 Apr 98):
 - WIN32: added support for GCC in MINGW32 environment [SPC]

5.33e (28 May 98):
 - CMS: rewrite of README.CMS, now shared between Zip and UnZip [Greg Hartwig]
 - BeOS: enable "automatic update of mime file-info" in beos.h [Chris Herborth]
 - AMIGA, OS2: enabled IZ_CHECK_TZ (do not use UTC time-stamps when environment
    variable TZ is not set) [Kai Uwe Rommel, SPC]

5.33f (13 Jun 98):
 - WIN32: support free LCC compiler (new Makefile.lcc) [E-Yen Tan]
 - MacOS: revised Macintosh port [Dirk Haase]

5.33g (08 Aug 98):
 - QDOS: much better support for SFX archives on SMS/QDOS [Jonathan Hudson]

5.33h (17 Aug 98):
 - BeOS: support restoration of directory attributes, permissions, and
    time-stamps, similar to the UNIX port [Chris Herborth]

5.33i (13 Sep 98):
 - added handling of Mac3 and BeOS e.f. blocks to "verbose ZipInfo" and
    "test archive" operations [SPC]
 - added "Type & Creator" display in verbose ZipInfo mode for all Mac extra
    fields that support this info [Dirk Haase]
 - added support for PKWARE's PKZIP for Unix "timestamps & uid/gid" extra
    field; modified the Unix port's attribute mapping to restore complete
    UNIX style attributes from archives created by PKZIP for Unix [SPC]
 - LynxOS: another variant of Unix; add OS message to unix.c's version_local()
    and specific entry to unix/Makefile [Giuseppe Guerrini]

5.33j (31 Oct 98):
 - added cross-compiling target for QNX/Neutrino (i386 target) [Chris Herborth]

5.33k (08 Nov 98):
 - Windows (16 and 32-bit): added first pre-release of a GUI interface for
    sfx stubs [Mike White]

5.33l (12 Nov 98):
 - Windows (16 and 32-bit): completed Windows GUISFX stub sources, integrated
    build procedures into UnZip source tree [Mike White]

5.4b (21 Nov 98):
 - Acorn: added -F option to suppress removal of NFS filetype extension from
    the names of extracted files [Darren Salt]
 - Unix: added optional feature, controlled by ACORN_FTYPE_NFS compile-time
    option, to translate Acorn RISC OS extra-field filetype info into "NFS
    filetype extension" appended to the extracted filename. When compiled in
    UnZip, specifying the -F option enables this feature. [Darren Salt, SPC]
 - unzip.1: added documentation for the new Acorn NFS filetype features [SPC]

Bugs fixed:

5.33a (05 Dec 97):
 - OS/2:  removed bogus "else" in UzpFileTree() [Takashi Shoda]
 - fixed Dave Smith's name (no "D") [GRR, Dave Smith]
 - OS/2:  turned off verbose EAs/ACLs messages if -q given [Jorgen Thomsen,
    Christian, Kai Uwe, GRR]
 - DLL:  eliminated dependency on non-standard strupr() [GRR, Thomas Klausner]
 - fixed possible ANSI name-clash problem in extract.c (offended MSC 8.0)
    [Steve Salisbury, Christian Spieler]
 - SMS/QDOS:  fixed word-alignment bug in extra-field handling [Jonathan Hudson]
 - VMS:  fixed minor UNZIP_CLI typo [Hunter Goatley]
 - MSDOS: fixed DJGPP v1 support (msdos.c, makefile.dj1) [C. Spieler]
 - WinDLL:  fixed allocation bug in windll.c (esp. affected 16-bit WiZ) [Mike
    White, Christian Spieler]
 - WinDLL:  fixed structs.h and windll32.mak to allow Borland apps (e.g., WiZ)
    to work with MSVC DLL [Mike W]
 - VMS:  recognize new RTL related version symbols of DEC C V 5.6 [C. Spieler]
 - fixed handling of entries with extended local headers when output is
    redirected to memory (extract.c, process.c, unzpriv.h) [Craig Forbes]
 - fixed memory leak in the UNIX specific DIRSTAMP feature (extract.c)
    [Craig Forbes, Christian Spieler]
 - completely revised DIRSTAMP feature to reduce memory requirements and
    prepare porting it to non-UNIX systems [C. Spieler]
 - DLL:  removed bogus redirect_outfile() call from unzipToMemory() body and
    cleaned "return value "calculation"; moved "G.C_flag = 1" into rexx_api.c,
    entry filename matching of generic UzpUnzipToMemory() is now case-sensitive
    [Christian Spieler (SPC)]
 - DLL (apihelp.c): corrected help text for UzpFileTree() [SPC]

5.33b (24 Dec 97):
 - generic:  check return value of localtime() calls for NULL pointer, to avoid
    accessing unallocated memory (fix for MSC Win32 problem) [SPC, S. Salisbury]
 - extract.c, globals.[ch], list.c, process.c, zipinfo.c: shortened "sig..."
    arrays to 4 chars and removed them from "struct Globals" [SPC]
 - commented out all "struct Globals" members that are unused in fUnZip [SPC]
 - win32/win32.c: remarkable speedup of file extractions by replacing
    "IsFileNameValid()" with "!IsVolumeOldFAT()" and avoiding repeated
    "GetVolumeInfo" queries for the same device. [Johnny Lee, Paul Kienitz, SPC]

5.33c (15 Apr 98):
 - OS/2 DLL (rexxapi.c): UzVer(): do not evaluate args[] past argument count
    [Kai Uwe Rommel]
 - WINDLL (api.c), UzpUnzipToMemory(), UzpGrep(): fixed memory leak and problem
    with missing password query callback function when grep-ing an encrypted
    archive (this changed the DLL API for WINDLL!!) [Mike White]
 - VMS CLI (cmdline.c): fixed handling of /DIR=path option [Andy Harper, SPC]
 - acorn/acorn.c: fixed conversion of time_t to 5-byte Acorn timestamp value;
    previous code dropped carry bits [D. Krumbholz, S. Monesi, SPC]
 - UzpPassword() (fileio.c): use FnFilter for displaying entry name
 - WINDLL: more space for path names (260 for WIN32 LFN support) [Mike White]
 - Unix (process.c): corrected offsets for extracting new "Ux" UID/GID fields
    [Rudolf Cejka]
 - fixed UnzipToMemory of stored entries, prepared support for UnzipToMemory
    with text conversion [SPC]
 - Unix and ports with Unix-like file permissions: Added work-around for
    ASI/Unix & PKware/VMS generated archives where mode(=external_file_attr)
    field has been set to 0 [SPC]
 - SFX (unzip.c, DOS_FLX_H68_OS2_W32): fixed "access past end of argv" bug
    in the command line parser [SPC]
 - WIN32: fixed timezone handling for file times in stat() [SPC]
 - general work-around for some C RTL's failure to automatically initialize
    timezone info (e.g. Borland C) by calling tzset() at start of
    process_zipfiles() [GRR, Cosmin Truta, SPC]
 - WIN32: fixes for i386 assembler sources to work with Borland TASM 5.0
    [Cosmin Truta]
 - VM/CMS: many fixes and additions regarding query prompts, stat(), version
    info, compilation "equipment" and system specific documentation
    [Ian E. Gorman]
 - MVS: changes to get first working MVS binaries (stat(), "makefile", ...)
    [Ian E. Gorman]
 - CMS_MVS: changed handling of trailing newlines after query prompts by using
    a specific macro, to remove unwanted newlines in some other messages
    [SPC]

5.33d (30 Apr 98):
 - general: removed REENTRANT only bug introduced by "Check_for_TZ" fix [SPC]
 - extract.c: code fix for SET_DIR_ATTRIB defined without USE_EF_UT_TIME [SPC]
 - general: added ZCONST declarations to constant definitions (especially
     constant strings) and to "readonly" string arguments [SPC]
 - zipinfo.c: added some typecasts to work around Turbo C++ 1.0 bug [SPC]
 - MSDOS, makefile.bc: added "-DZCONST" to TC++v1.0 CFLAGS, compiler does not
     accept constant far arrays [SPC]
 - WINDLL: fixed interface of extract-to-mem functions, removed several typos
     [Mike White]
 - extract.c, list.c, zipinfo.c: changed several internal counter variables
     from signed int to unsigned int [Mike White, SPC]
 - WINDLL: moved all windll specific interface functions from api.c into
     windll/windll.c and the corresponding declarations from unzip.h into
     windll/decs.h [SPC]
 - win32/win32.c: pass struct Globals to IsVolumeOldFAT() [Mike White]
 - WINDLL: introduced new (generic DLL api) StatReportCB() function, replacing
     sound() and ServCallBk() in the generic source; added WinStatReportCB()
     interface wrapper which translates between windll and generic API [SPC]
 - amiga/amiga.c: Fixed "null permission" workaround (variable reference out
     of scope) [Paul Kienitz]
 - VMS: added work-around for ASI/Unix & PKware/VMS generated archives where
    mode(=external_file_attr) field has been set to 0 (see 5.33c) [SPC]
 - AMIGA: several time_lib related clean-up fixes and updated Makefiles
    [Paul Kienitz, Haidinger Walter]
 - INSTALL: corrected the description of wildcard matching on DOS-like
    file systems (handling of dots) [Paul Kienitz]
 - amiga/time-lib.c: fixed calculation of global timezone variable [SPC]
 - proginfo/extra.fld: added description of PKWARE's Win95/WinNT e.f. [SPC]
 - list.c, zipinfo.c: counting of archive entries starts with 1, not 0 [SPC]
 - ebcdic.h: applied OS/390 specific mapping changes [Paul v. Behren], added
    note concerning EBCDIC's NL vs. LF usage and mapping consequences [SPC]
 - win32/win32.c: fixed fs_type_info queries for paths with explicit drive
    specification, speedup of "uses_fs_local_time?" queries [SPC]
 - fileio.c, dos_to_unix_time(): fixed WIN32 version, added alternative code
    for systems with working mktime() call; force use of HAVE_MKTIME version
    for EMX and DJGPP [SPC]

5.33e (28 May 98):
 - api.c: fixed typo; added missing definition of dummyfn() in UzpDLL_Init(),
    UzpUnzipToMemory tolerates PK_WARN errors [Peter Kunath]
 - WinDLL cleanup:
    * renamed several exported functions (Unz_... -> Wiz_...,
      Uzp.. -> Wiz_..., windll_unzip -> Wiz_SingleEntryUnzip) [Mike White]
    * removed non-working borland makefiles [Mike White]
    * updated windll documentation [Mike White (MW), SPC]
    * cosmetics: standardized use of Win-API style data type names [MW, SPC]
 - win32/crc_i386.c: fixes to get it work with MSVC, again [Peter Kunath]
 - list.c: fixed OS2DLL specific processExternally() support [P. Kunath, SPC]
 - CMS/MVS: added "byteseek" to FOPR/FOPM options to allow change of format for
    binary files from "RECFM=F LRECL=1" to "RECFM=V LRECL=32760" [Greg Hartwig]
 - CMS/MVS, miscellaneous updates and fixes:
    * disable optional MORE functionality
    * do not disable use of signals;
    * rewrote version() for more specific compiler/runtime info;
    * fixed several typos (missing ';', wrong "CMS" preprocessor symbol, ...)
    * adapted some messages to CMS/MVS specifics
    [Greg Hartwig]
 - CMS: changed help info to refer to "fm" rather than "exdir" [Greg Hartwig]
 - CMS, new README.CMS: small correction in description of Zip's "-a" option;
    binary data should NOT be zipped using this option [SPC]
 - general: replaced ush variables pairs "dos_date" and "dos_time" by single