diff --git a/gnu/usr.bin/gzip-1.1.1/COPYING b/gnu/usr.bin/gzip-1.1.1/COPYING deleted file mode 100644 index a43ea2126fb6..000000000000 --- a/gnu/usr.bin/gzip-1.1.1/COPYING +++ /dev/null @@ -1,339 +0,0 @@ - GNU GENERAL PUBLIC LICENSE - Version 2, June 1991 - - Copyright (C) 1989, 1991 Free Software Foundation, Inc. - 675 Mass Ave, Cambridge, MA 02139, USA - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The licenses for most software are designed to take away your -freedom to share and change it. By contrast, the GNU General Public -License is intended to guarantee your freedom to share and change free -software--to make sure the software is free for all its users. This -General Public License applies to most of the Free Software -Foundation's software and to any other program whose authors commit to -using it. 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See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -Also add information on how to contact you by electronic and paper mail. - -If the program is interactive, make it output a short notice like this -when it starts in an interactive mode: - - Gnomovision version 69, Copyright (C) 19yy name of author - Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. - This is free software, and you are welcome to redistribute it - under certain conditions; type `show c' for details. - -The hypothetical commands `show w' and `show c' should show the appropriate -parts of the General Public License. Of course, the commands you use may -be called something other than `show w' and `show c'; they could even be -mouse-clicks or menu items--whatever suits your program. - -You should also get your employer (if you work as a programmer) or your -school, if any, to sign a "copyright disclaimer" for the program, if -necessary. Here is a sample; alter the names: - - Yoyodyne, Inc., hereby disclaims all copyright interest in the program - `Gnomovision' (which makes passes at compilers) written by James Hacker. - - , 1 April 1989 - Ty Coon, President of Vice - -This General Public License does not permit incorporating your program into -proprietary programs. If your program is a subroutine library, you may -consider it more useful to permit linking proprietary applications with the -library. If this is what you want to do, use the GNU Library General -Public License instead of this License. diff --git a/gnu/usr.bin/gzip-1.1.1/ChangeLog b/gnu/usr.bin/gzip-1.1.1/ChangeLog deleted file mode 100644 index 52380711126b..000000000000 --- a/gnu/usr.bin/gzip-1.1.1/ChangeLog +++ /dev/null @@ -1,450 +0,0 @@ -Tue Jun 1 09:07:15 1993 Jean-loup Gailly (jloup@chorus.fr) - - * version 1.1.1 - Fix serious bug in vms.c (== instead of =). - Added --ascii option. - Add workaround in configure.in for Ultrix (quote eval argument) - Do not use unset in znew (not supported on Ultrix) - Use tar.gz instead of tar.z for the distribution of gzip. - Add missing menu item in gzip.texi. - Use size_t instead of unsigned, add AC_SIZE_T in configure.in. - -Fri May 28 11:40:01 1993 Jean-loup Gailly (jloup@chorus.fr) - - * version 1.1 - Use .gz suffix by default, add --suffix option. - Let gunzip accept a "_z" suffix (used by one 'compress' on Vax/VMS). - Quit when reading garbage from stdin instead of reporting an error. - Added sub.c and add.c for compression of 8 bit images. - Added makefile for VAX/MMS and support for wildcards on VMS. - Added support for MSC under OS/2. - Added support for Prime/PRIMOS. - Display compression ratio also when decompressing. - Quit after --version (GNU standard) - Use --force to bypass isatty() check. - Accept --silent as synonym for --quiet (see longopts.table) - Accept --to-stdout as synonym for --stdout (see longopts.table) - Accept -H and -? in addition to -h and --help. - Added comparison of zip and gzip in the readme file. - Return an error code in all main compression/decompression functions. - Continue processing other files in case of recoverable error. - Add description of -f in znew.1. - Do not keep uncompressed version for znew -t if .gz already exists. - On Unix, use only st_ino and st_dev in same_file(). - Use S_IRUSR and S_IWUSR if they exist. - "test $1 = -d" -> "test x$1 = x-d" in gzexe. - In match.S, use symbol sysV68 to detect the Motorola Delta. - Do not include memory.h with gcc (conflicting declarations on Sun). - Fix more typos. - On VMS, define unlink as delete also for gcc. - In "make check", unset LANG because "wc -c" fails on Kanji. - Renamed shdir as scriptdir. - Use the 68020 code instead of 68000 code on the NeXT. - Documented --uncompress as synonym for --decompress. - Include the standard header files before gzip.h (needed on Bull). - Do not assume that _POSIX_VERSION implies dirent.h present. - Removed gzip-tar.patch since tar 1.11.2 handles gzip directly. - Use less memory when compiled with -DSMALL_MEM (for MSDOS). - Optimized updcrc(). - Don't complain if cc -E does not work correctly. - Do not attempt reading 64K bytes on 16 bit Unix systems. - Do not use the variable name 'overhead' which is reserved on Lynx! - One BULL compiler does not like *p++ in inflate.c => *p, p++. - Use casts on free and memcmp to avoid warnings. - Remove the "off by more than one minute" time stamp kludge, but - document how to avoid saving the time stamp on pipes if desired. - Include crypt.h in inflate.c (one system predefines the CRYPT symbol). - Add links to gunzip and (g)zcat in the default make rule. - Create installation directories if they do not exist. - Clarified --prefix option in INSTALL. - Use symbol mc68k in match.S for the DIAB DS90. - Guard against zero length _match.s in configure.in. - In zmore, restore all tty options using stty -g. - Added support for MacOS - Simplified makecrc.c. - Avoid warnings in getopt.c, util.c, unlzw.c. - Use autoconf 1.4, in particular for INSTALL and AC_HAVE_POUNDBANG - Use .so instead of hard links for zcat.1, gunzip.1 and zcmp.1. - Fixed declration of sig_type. - Make consistency check in fcfree. - Added ztouch. - Do not complain if utime fails on a directory (for OS/2). - -Thu Mar 18 18:56:43 1993 Jean-loup Gailly (jloup@chorus.fr) - - * version 1.0.7 - Allow zmore to read from standard input (like more). - Support the 68000 (Atari ST) in match.S. - Retry partial writes (required on Linux when gzip is suspended in - a pipe). - Allow full pathnames and renamings in gzexe. - Don't let gzexe compress setuid executables or gzip itself. - Added vms/Makefile.gcc for gcc on the Vax. - Give a pointer to Solaris and VMS executables of gzip in README. - Allow installation of binaries and shell scripts in different dirs. - Do not use alloca on the Cray. - Provide strspn and strcspn if string.h does not exist. - Define O_CREAT and O_EXCL from FCREAT and FEXCL if necessary. - Remove gzip.doc in make realclean. - Fixed many typos. (Corrections to my English are welcome.) - Put "make manext=l install" at the correct place in INSTALL. - Fix incorrect examples in INSTALL and give more examples. - Include zdiff.1 for install and uninstall. - Allows complex PAGER variable in zmore (e.g.: PAGER="col -x | more") - Avoid warning on unused indfound in getopt.c. - Cast memset arg to void* (required by some buggy compilers). - Include sys/types.h before dirent.h in acgeneral.m4. - Fix acgeneral.m4 AC_COMPILE_CHECK to avoid warnings. - Don't use alloca.c with gcc. (One NeXT user did not have alloca.h). - Change all error messages according to GNU standards. - Restore time stamp only if off by more than one minute. - Allow installation of zcat as gzcat. - Suppress help message and send compressed data to the terminal when - gzip is invoked without parameters and without redirection. - (Explicit request from Noah Friedman.) - Add compile option GNU_STANDARD to respect the GNU coding standards: - with -DGNU_STANDARD, behave as gzip even if invoked under the - name gunzip. (Complaints to /dev/null or the FSF, not to me!) - -Fri Mar 10 13:27:18 1993 Jean-loup Gailly (jloup@chorus.fr) - - * version 1.0.6 - Let gzexe detect executables that are already gzexe'd. - Don't try restoring record format on VMS (the simple 1.0.5 code - worked correctly only on fixed-512 files). Suppress text_mode. - Added asm version for 68000 in amiga/match.a. - Use asm version for Atari TT. - Fix "make clean" in vms/Makefile.vms. - For OS/2, assume HPFS by default, add flag OS2FAT if necessary. - Fixed some bugs in zdiff and define zcmp as a link to zdiff. - Added zdiff.1 - Remove configure hack for NeXT; add general fix to autoconf instead - Do not strip a ".z" extension if this results in an empty name. - Avoid array overflow in get_prefix() for extensions > 10 chars. - Accept either q or e to quit zmore. - In zmore, try restoring tty mode in all cases. - Use Motorola style for match.S on the NeXT. - configure.in: unsetenv *hangs* with the Siemens csh... - Update vms/gzip.hlp. - -Thu Mar 4 14:13:34 1993 Jean-loup Gailly (jloup@chorus.fr) - - * version 1.0.5 - For VMS, restore the file type for variable record format, otherwise - extract in fixed length format (not perfect, but better than - forcing all files to be in stream_LF format). - Use "-z" suffix for VMS. - Use only .z, .*-z, .tgz, .taz as valid gzip extensions; update - zforce accordingly. - Allow a version number in input file names for VMS. - Added sample program zread.c. - Fix "make check" for some implementations of /bin/sh. - Don't rely on stat() for filenames with extension > 3 chars - on MSDOS, OS2 and Atari. - Garbage collect files in /tmp created by gzexe. - Quote $opt in znew. - Use TOUCH env variable in znew if it exists. - Better error message for gunzip on empty or truncated file. - Allow prototypes in getopt.h when __STDC__ defined but 0. - Added "make clean" in vms/Makefile.vms. - Removed -g from default CFLAGS (with Noah's permission!) - Avoid too many HAVE_xxx_H for most systems; use common defaults. - Moved default Atari flags into tailor.h for consistency. - Use memzero() to clear the hash table. - Update vms/gzip.hlp to reflect the VMS behavior. - Fix OS_CODE (to fit in a byte). - Add utime.h for the Amiga. - Add gcc support for the Amiga. - Work around incorrect dirent.h for NeXT 2.0. - Added Makefile entry for Coherent. - -Fri Feb 22 11:20:49 1993 Jean-loup Gailly (jloup@chorus.fr) - - * version 1.0.4 - Added optimized asm version for 68020. - Add support for DJGPP. - Add support for the Atari ST. - Added zforce to rename gzip'ed files with truncated names. - Do not install with name uncompress (some systems rely on the - absence of any check in the old uncompress). - Added missing function (fcfree) in msdos/tailor.c - Let gunzip handle .tgz files, and let gzip skip them. - Added 'stty min 1' in zmore for SysV and fixed trap code. - Suppress .PHONY in Makefile.in, which breaks old makes. - Added documentation about pcat and unpack in INSTALL. - Add cast to getenv for systems without stdlib.h. - Use VAXC instead of VMS to avoid confusion for gcc. - Add -K to znew.1. - Add gzexe.1. - Try preserving file permissions in gzexe. - Added -d option for gzexe. - Guard against spaces in file names in gzexe. - Use CMP env. variable in zcmp. - Return a warning exit status for gzip of file with .z suffix. - Suppress usage of d_ino which is not portable to all systems. - Use #ifdef instead of #if for consistency. - For VMS, use "cc util.c" instead of "cc util" (pb with logical names) - Added utime() for Amiga. - Renamed gzcat.1 as zcat.1. - Include fcntl.h for Amiga (for read and write). - For VMS, add definition of symbols and links in the makefiles. - Give a VMS look to vms/gzip.hlp. - Save the original name only when necessary. - Add a mode parameter for open in read mode (required by VMS). - For VMS, remove the version suffix from the original name. - Accept both / and \ as path separator for MSDOS. - Let gunzip extract stored .zip files correctly. - Added warning about VFC format in vms/gzip.hlp. - In znew, skip a bad file but process the others. - Cleanup tailor.h. - Use GZIP_OPT for VMS to avoid conflict with program name. - Added description of GZIP variable in gzip.texi. - -Thu Feb 11 17:21:32 1993 Jean-loup Gailly (jloup@chorus.fr) - - * version 1.0.3 - Add -K option for znew to keep old .Z files if smaller. - Add -q option (quiet) to cancel -v in GZIP env variable. - For Turbo C, normalize pointers before freeing them. - Add more safety checks in add_envopt(). - Add do_exit() for uniform exit path (always free memory). - Reduce MAX_PATH_LEN for MSDOS. - Include sys/types.h before signal.h - Avoid strdup, the NeXT does not have it. - Made gzexe safer on systems with filename limitation to 14 chars. - -Fri Feb 10 09:45:49 1993 Jean-loup Gailly (jloup@chorus.fr) - - * version 1.0.2 - Added env variable GZIP for default options. - Added support for the Amiga. - znew now keeps the old .Z if it is smaller than the .z file. - Added gzexe to compress rarely used executables. - Reduce memory usage when using static allocation (no DYN_ALLOC). - Better separation of warning and error return codes. - Fix unlzw.c to make DYN_ALLOC and MAXSEG_64K independent options. - Allow INBUFSIZ to be >= 32K in unlzw (don't use sign of rsize) - Generate tar file in old format to avoid problems with old systems. - Preserve time stamp in znew -P if touch -r works. - Use ${PAGER-more} instead of ${PAGER:-more} in zmore. - Do not use unsigned instead of mode_t. - Better error message for trailing garbage in .z file; ignore this - garbage on VMS. - In zmore, use icanon instead of -cbreak on SYSV. - Add trap handler in zmore. - Use char* instead of void* for non STDC compilers. - Added makefile entry for Xenix on 286. - Return an error code when existing file was not overwritten. - Use prototype of lzw.h for lzw.c. - Fix znew with -P option alone. - Give warning for directories even without -v. - Close output file before unlink() in case of error. - Suppress all target dependent ifdef from the portable files. - Free all dynamically allocated variables upon exit. - -Thu Feb 4 18:23:56 1993 Jean-loup Gailly (jloup@chorus.fr) - - * version 1.0.1 - Fixed some trivial errors in msdos/Makefile.bor - -Thu Feb 4 10:00:59 1993 Jean-loup Gailly (jloup@chorus.fr) - - * version 1.0 - gzip now runs on Vax/VMS (Amiga support will come in next version). - Do not overwrite files without -f when using /bin/sh. - Support the test option -t for compressed (.Z) files. - Flush output for bad compressed files. Add warning in README. - Added makefiles for MSDOS. - Don't rely on presence of csh in configure - Added gunzip.1 and gzcat.1. - Updated znew.1. - Check reserved flags in unlzw(). - Return dummy value in main to avoid lint warning. - Define OF in lzw.h for lint. - Allow both "znew -v -t" and "znew -vt". - Don't overwrite the output file name for multiple parts. - Echo just a warning if configure is out of date. - Use ; instead of , in trees.c (confuses the SAS Amiga compiler). - In INSTALL, document "DEFS='-DM_XENIX' ./configure". - Use OTHER_PATH_SEP for more portability (DOS, OS2, VMS, AMIGA). - Make all directories world writable for broken versions of tar. - Use gzip -cd instead of zcat in zmore, zcmp, zdiff. - Don't use GNU tar for distributions, some systems can't untar. - Do not exit() for gzip --version. - -Mon Jan 26 10:26:42 1993 Jean-loup Gailly (jloup@chorus.fr) - - * Beta version 0.8.2 - Avoid 'far' declarations for MSDOS. - Use test -f instead of test -x in configure.in (for Ultrix) - Add empty else part to if in Makefile.in for broken shells. - Use NO_UNDERLINE instead of UNDERLINE (pb with Linux cpp) - Accept continuation files with -ff (for damage recovery) - Small patch to Makefile.os2 - Use memzero instead of bzero to avoid potential conflicts - Document restriction on extraction of zip files. - Fix quoting in ACL_HAVE_SHELL_HACK. - Do not check file size on MSDOS because of bug in DIET. - Allow zcat on a file with multiple links. - Add fix in inflate.c for compatibility with pkzip 2.04c. - Release gzip in tar.z and tar format. (No tar.Z). - -Fri Jan 22 10:04:13 1993 Jean-loup Gailly (jloup@chorus.fr) - - * Beta version 0.8.1 - Fixed Makefile.os2 - Fixed #if directives that TurboC does not like. - Don't rely on uncompress in znew, use gzip -d. - Add the pipe option -P in znew. - Add some more ideas in TODO. - Support both NDIR and SYSNDIR. - -Sat Jan 21 15:46:38 1993 Jean-loup Gailly (jloup@chorus.fr) - - * Beta version 0.8 - Support unpack. - Check for _match.o in configure.in in addition to return status. - Include in zip.c - Define local variables and functions as local. - Accept more alternative names for the program (pcat, gzcat, ...). - Accept .exe as well as .EXE. - Uncompress files with multiple links only with -f. - Better error message for gunzip of non-existent file.z. - Fix the entry for /etc/magic in INSTALL. - Use AC_HAVE_HEADERS uniformly instead of special macros. - Install the man pages as .1 by default instead of .l. - Document crypt++.el in README. - Fix for unlzw() on 16-bit machines (bitmask must be unsigned). - Complain if input and output files are identical. - Create a correct output name for files of exactly 13 chars. - Do not overwrite CPP if set - Check for i386 before trying to assemble match.s - Check for underline in external name before assembling - Add patch for tar 1.11.1. - -Mon Jan 5 10:16:24 1993 Jean-loup Gailly (jloup@chorus.fr) - - * Beta version 0.7 - Use "make check" instead of "make test". - Do not rely on dirname in znew. - Keep time stamp and pass options to gzip in znew. - Rename .l files back to .1 to avoid conflict with lex - Do not create .z.z files with gzip -r. - Use nice_match in match.asm - Unroll loops in deflate.c - Do not attempt matches beyond the window end - Allow again gunzip .zip files (was working in 0.5) - Allow again compilation with TurboC 2.0 (was working in 0.4) - -Tue Dec 30 20:00:19 1992 Jean-loup Gailly (jloup@chorus.fr) - - * Beta version 0.6 - The .z extension is used by pack, not compact (README, gzip.1) - Accept gzcat in addition to zcat. - Use PAGER in zmore if defined. - Man pages for /usr/local/man/manl should have extension .l. - Don't redefine bzero on the NeXT - Allow incomplete Huffman table if there is only one code. - Don't lookahead more than 7 bits (caused premature EOF). - Added "make test" to check for compiler bugs. - Don't rely on `i386`; try to assemble directly - Change magic header to avoid conflict with freeze 1.x. - Added entry for /etc/magic in INSTALL. - Do not destroy an input .zip file with more than one member. - Display "untested" instead of "OK" for gzip -t foo.Z - With -t, skip stdin in .Z format - Allow multiple compressed members in an input file. - Ignore a zero time stamp. - Made znew safer. - -Tue Dec 29 10:00:19 1992 Noah Friedman (friedman@gnu.ai.mit.edu) - - Added test for #!/bin/sh in configure.in. - Fix some references to $srcdir in Makefile.in - -Mon Dec 21 17:33:35 1992 Jean-Loup Gailly (jloup@chorus.fr) - - * Beta version 0.5 - Put RCS ids in all files. - Added znew to recompress old .Z files with gzip. - Avoid "already .z suffix" messages for -r and no -v. - Put back check for d_ino in treat_dir(). - Use HAVE_STRING_H instead of USG. - Added os2/Makefile.os2 - Use SYSUTIME on OS/2. - Info dir is $(prefix)/info, not $(prefix)/lib/info. - Support long options, added getopt and alloca - Support -V and -t - Reorder configure.in according to suggestions in autoconf.info - Allow links when not removing original file - Allow either .z or .Z in zdiff - -Wed Nov 25 11:40:04 1992 Jean-loup Gailly (jloup@chorus.fr) - - * Beta version 0.4.1 - Save only the original base name, don't include any directory prefix. - Don't use HAVE_LONG_FILE_NAMES (support multiple file system types). - Fix declaration of abort_gzip in gzip.h. - Include unistd.h when it exists to avoid warnings with gcc -Wall. - -Mon Nov 23 12:39:01 1992 Jean-loup Gailly (jloup@chorus.fr) - - * Beta version 0.4 - Lots of cleanup - Use autoconf generated 'configure' - Fixed the NO_MULTIPLE_DOTS code - Fixed the save_orig_name code - Support for MSDOS (Turbo C) - -Thu Nov 19 15:18:22 1992 Jean-loup Gailly (jloup@chorus.fr) - - * Beta version 0.3 - Added auto configuration. Just type "make" now. - Don't overwrite compress by default in "make install". Use - "make install_compress" to overwrite. - Add match.s for 386 boxes. - Added documentation in texinfo format. - Provide help for "gunzip" invoked without redirected input. - Save original file name when necessary. - Support OS/2 (Kai-Uwe Rommel). - -Tue Nov 17 14:32:53 1992 Jean-loup Gailly (jloup@chorus.fr) - - * Alpha version 0.2.4 - Return 0 in get_istat() when ok (caused error with zcat). - Don't update crc on compressed data (caused crc errors on - large files). - -Fri Nov 13 15:04:12 1992 Jean-loup Gailly (jloup@chorus.fr) - - * Alpha version 0.2.3 - Initialize rsize in unlzw.c - Initialize ofd for zcat. - Do not use volatile ifname as argument of treat_dir. - Add -1 to -9 in gzip.1. - -Sat Oct 31 18:30:00 1992 Jean-loup Gailly (jloup@chorus.fr) - - * Alpha version 0.2.2. - Fix error messages. - Accept gunzip on zip files. - -Sat Oct 31 17:15:00 1992 Jean-loup Gailly (jloup@chorus.fr) - - * Alpha version 0.2.1 - Use ctype.h in util.c (problem on SysV). - Create BINDIR if it does not exist. - Use cc by default. - Added zcmp, zmore, zdiff. - Fixed the man page gzip.1. - -Sat Oct 31 17:00:00 1992 Jean-loup Gailly (jloup@chorus.fr) - - * Alpha version 0.2 - Fixed compilation problems with gcc - -Sat Oct 31 12:46:00 1992 Jean-loup Gailly (jloup@chorus.fr) - - * Alpha version 0.1 released (under time pressure), so it's not - much tested, sorry. - diff --git a/gnu/usr.bin/gzip-1.1.1/Makefile b/gnu/usr.bin/gzip-1.1.1/Makefile deleted file mode 100644 index 36200b83eb2e..000000000000 --- a/gnu/usr.bin/gzip-1.1.1/Makefile +++ /dev/null @@ -1,25 +0,0 @@ -# @(#)Makefile 5.3 (Berkeley) 5/12/90 - -PROG= gzip -SRCS= gzip.c zip.c deflate.c trees.c bits.c unzip.c inflate.c util.c \ - crypt.c lzw.c unlzw.c unpack.c getopt.c match.S -MAN1= gzexe.0 gzip.0 zdiff.0 zforce.0 zmore.0 znew.0 -CFLAGS+=-DASMV -DHAVE_UNISTD_H=1 -DDIRENT=1 -MLINKS= zdiff.1 zcmp.1 gzip.1 gunzip.1 gzip.1 zcat.1 gzip.1 gzcat.1 -LINKS+= ${DESTDIR}${BINDIR}/gzip ${DESTDIR}${BINDIR}/gunzip -LINKS+= ${DESTDIR}${BINDIR}/gzip ${DESTDIR}${BINDIR}/gzcat -LINKS+= ${DESTDIR}${BINDIR}/gzip ${DESTDIR}${BINDIR}/zcat - -afterinstall: - install -c -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \ - ${.CURDIR}/zforce ${.CURDIR}/gzexe ${.CURDIR}/znew \ - ${.CURDIR}/zmore ${.CURDIR}/zdiff ${.CURDIR}/zcmp \ - ${DESTDIR}${BINDIR} - -match.o: ${.CURDIR}/match.S - $(CPP) ${.CURDIR}/match.S >_match.s - $(CC) -c _match.s - mv _match.o match.o - rm -f _match.s - -.include diff --git a/gnu/usr.bin/gzip-1.1.1/NEWS b/gnu/usr.bin/gzip-1.1.1/NEWS deleted file mode 100644 index 097f7b177dbf..000000000000 --- a/gnu/usr.bin/gzip-1.1.1/NEWS +++ /dev/null @@ -1,158 +0,0 @@ -Current Version: 1.1.1 -See the file ChangeLog for the details of all changes. - -Major changes from 1.1 to 1.1.1. -* Fix serious bug in vms.c (affects Vax/VMS only). -* Added --ascii option. -* Add workaround in configure.in for Ultrix (quote eval argument) - -Major changes from 1.0.7 to 1.1. -* Use .gz suffix by default, add --suffix option. -* Let gunzip accept a "_z" suffix (used by one 'compress' on Vax/VMS). -* Quit when reading garbage from stdin instead of reporting an error. -* Added makefile for VAX/MMS and support for wildcards on VMS. -* Added support for MSC under OS/2. -* Added support for Prime/PRIMOS. -* Display compression ratio also when decompressing (with --verbose). -* Quit after --version (GNU standard) -* Use --force to bypass isatty() check -* Continue processing other files in case of recoverable error. -* Added comparison of zip and gzip in the readme file. -* Added small sample programs (ztouch, sub, add) -* Use less memory when compiled with -DSMALL_MEM (for MSDOS). -* Remove the "off by more than one minute" time stamp kludge - -Major changes from 1.0.6 to 1.0.7. -* Allow zmore to read from standard input (like more). -* Support the 68000 (Atari ST) in match.S. -* Retry partial writes (required on Linux when gzip is suspended in a pipe). -* Allow full pathnames and renamings in gzexe. -* Don't let gzexe compress setuid executables or gzip itself. -* Added vms/Makefile.gcc for gcc on the Vax. -* Allow installation of binaries and shell scripts in different dirs. -* Allows complex PAGER variable in zmore (e.g.: PAGER="col -x | more") -* Allow installation of zcat as gzcat. -* Several small changes for portability to old or weird systems. -* Suppress help message and send compressed data to the terminal when - gzip is invoked without parameters and without redirection. -* Add compile option GNU_STANDARD to respect the GNU coding standards: - with -DGNU_STANDARD, behave as gzip even if invoked under the name gunzip. -(I don't like the last two changes, which were requested by the FSF.) - -Major changes from 1.0.5 to 1.0.6. -* Let gzexe detect executables that are already gzexe'd. -* Keep file attributes in znew and gzexe if cpmod is available. -* Don't try restoring record format on VMS (1.0.5 did not work correctly) -* Added asm version for 68000 in amiga/match.a. - Use asm version for Atari TT and NeXT. -* For OS/2, assume HPFS by default, add flag OS2FAT if necessary. -* Fixed some bugs in zdiff and define zcmp as a link to zdiff. - - -Major changes from 1.0.4 to 1.0.5. -* For VMS, restore the file type for variable record format, otherwise - extract in fixed length format (not perfect, but better than - forcing all files to be in stream_LF format). -* For VMS, use "-z" default suffix and accept a version number in file names. -* For Unix, allow compression of files with name ending in 'z'. Use only - .z, .*-z, .tgz, .taz as valid gzip extensions. In the last two cases, - extract to .tar by default. -* On some versions of MSDOS, files with a 3 character extension could not - be compressed. -* Garbage collect files in /tmp created by gzexe. -* Fix the 'OS code' byte in the gzip header. -* For the Amiga, add the missing utime.h and add support for gcc. - - -Major changes from 1.0.3 to 1.0.4. -* Added optimized asm version for 68020. -* Add support for DJGPP. - -* Add support for the Atari ST. -* Added zforce to rename gzip'ed files with truncated names. -* Do not install with name uncompress (some systems rely on the - absence of any check in the old uncompress). -* Added missing function (fcfree) in msdos/tailor.c -* Let gunzip handle .tgz files, and let gzip skip them. -* Added -d option (decompress) for gzexe and try preserving file permissions. -* Suppress all warnings with -q. -* Use GZIP_OPT for VMS to avoid conflict with program name. -* ... and many other small changes (see ChangeLog) - - -Major changes from 1.0.2 to 1.0.3 -* Added -K option for znew to keep old .Z files if smaller -* Added -q option (quiet) to cancel -v in GZIP env variable. -* Made gzexe safer on systems with filename limitation to 14 chars. -* Fixed bugs in handling of GZIP env variable and incorrect free with Turbo C. - - -Major changes from 1.0.1 to 1.0.2 -* Added env variable GZIP for default options. Example: - for sh: GZIP="-8 -v"; export GZIP - for csh: setenv GZIP "-8 -v" -* Added support for the Amiga. -* znew now keeps the old .Z if it is smaller than the .z file. - This can happen for some large and very redundant files. -* Do not complain about trailing garbage for record oriented IO (Vax/VMS). - This implies however that multi-part gzip files are not supported - on such systems. -* Added gzexe to compress rarely used executables. -* Reduce memory usage (required for MSDOS and useful on all systems). -* Preserve time stamp in znew -P (pipe option) if touch -r works. - - -Major changes from 1.0 to 1.0.1 -* fix trivial errors in the Borland makefile (msdos/Makefile.bor) - - -Major changes from 0.8.2 to 1.0 -* gzip now runs on Vax/VMS -* gzip will not not overwrite files without -f when using /bin/sh in - background. -* Support the test option -t for compressed (.Z) files. - Allow some data recovery for bad .Z files. -* Added makefiles for MSDOS (Only tested for MSC, not Borland). -* still more changes to configure for several systems - - -Major changes from 0.8.1 to 0.8.2: -* yet more changes to configure for Linux and other systems -* Allow zcat on a file with multiple links. - - -Major changes from 0.8 to 0.8.1: -* znew has now a pipe option -P to reduce the disk space requirements, - but this option does not preserve timestamps. -* Fixed some #if directives for compilation with TurboC. - - -Major changes from 0.7 to 0.8: -* gzip can now extract .z files created by 'pack'. -* configure should no longer believe that every machine is a 386 -* Fix the entry for /etc/magic in INSTALL. -* Add patch for GNU tar 1.11.1 and a pointer to crypt++.el -* Uncompress files with multiple links only with -f. -* Fix for uncompress of .Z files on 16-bit machines -* Create a correct output name for file names of exactly N-1 chars when - the system has a limit of N chars. - - -Major changes from 0.6 to 0.7: -* Use "make check" instead of "make test". -* Keep time stamp and pass options to gzip in znew. -* Do not create .z.z files with gzip -r. -* Allow again gunzip .zip files (was working in 0.5) -* Allow again compilation with TurboC 2.0 (was working in 0.4) - - -Major changes form 0.5 to 0.6: -* gunzip reported an error when extracting certain .z files. The .z files - produced by gzip 0.5 are correct and can be read by gunzip 0.6. -* gunzip now supports multiple compressed members within a single .z file. -* Fix the check for i386 in configure. -* Added "make test" to check for compiler bugs. (gcc -finline-functions - is broken at least on the NeXT.) -* Use environment variable PAGER in zmore if it is defined. -* Accept gzcat in addition to zcat for people having /usr/bin before - /usr/local/bin in their path. diff --git a/gnu/usr.bin/gzip-1.1.1/README b/gnu/usr.bin/gzip-1.1.1/README deleted file mode 100644 index 152b7e5b2bd7..000000000000 --- a/gnu/usr.bin/gzip-1.1.1/README +++ /dev/null @@ -1,147 +0,0 @@ -This is the file README for the gzip distribution, version 1.1.1. - -gzip (GNU zip) is a compression utility designed to be a replacement -for 'compress'. Its main advantages over compress are much better -compression and freedom from patented algorithms. The GNU Project -uses it as the standard compression program for its system. - -gzip currently uses by default the LZ77 algorithm used in zip 1.9 (the -portable pkzip compatible archiver). The gzip format was however -designed to accommodate several compression algorithms. See below -for a comparison of zip and gzip. - -gunzip can currently decompress files created by gzip, compress or -pack. The detection of the input format is automatic. For the -gzip format, gunzip checks a 32 bit CRC. For pack, gunzip checks the -uncompressed length. The 'compress' format was not designed to allow -consistency checks. However gunzip is sometimes able to detect a bad -.Z file because there is some redundancy in the .Z compression format. -If you get an error when uncompressing a .Z file, do not assume that -the .Z file is correct simply because the standard uncompress does not -complain. This generally means that the standard uncompress does not -check its input, and happily generates garbage output. - -gzip produces files with a .gz extension. Previous versions of gzip -used the .z extension, which was already used by the 'pack' -Huffman encoder. gunzip is able to decompress .z files (packed -or gzip'ed). - -Several planned features are not yet supported (see the file TODO). -See the file NEWS for a summary of changes since 0.5. See the file -INSTALL for installation instructions. Some answers to frequently -asked questions are given in the file INSTALL, please read it. (In -particular, please don't ask me once more for an /etc/magic entry.) - -WARNINGS about broken optimizers: - -- on the NeXT, "cc -finline-functions" is broken. gzip produces - valid .z files but they are much too large because the string - matching code misses most matches. Use "cc -O" instead. - -- on the Mips R4000, gcc -O (version 2.3.1) generates bad code, use cc - or just gcc -g instead. - -- gcc 2.3.3 on the SGI Indigo IRIX 4.0.5 also produces bad code. Use - instead: make CC='cc -O2' or gcc without -O. - -- on Sparc with SunOS 4.1.1 and the SC1.0 compiler, the optimizer - works up to -O3 but -O4 does not work. - -- MSC 5.1 with -Ox and -DDYN_ALLOC generates bad code in inflate.c. - The default is static allocation (no DYN_ALLOC) and -Ox works on inflate.c. - But -Ox does not work on util.c, so you must use -Oait -Gs. - -- On dnix 5.3 2.2 cc version 2.37c is buggy. Version 2.38d works. - -For all machines, Use "make check" to check that gzip was compiled correctly. - -Please send all comments and bug reports by electronic mail to: - Jean-loup Gailly - -or, if this fails, to bug-gnu-utils@prep.ai.mit.edu. -Bug reports should ideally include: - - * The complete output of "gzip -V" (or the contents of revision.h - if you can't get gzip to compile) - * The hardware and operating system (try "uname -a") - * The compiler used to compile (if it is gcc, use "gcc -v") - * A description of the bug behavior - * The input to gzip, that triggered the bug - -The package crypt++.el is highly recommended to manipulate gzip'ed -file from emacs. It recognizes automatically encrypted and compressed -files when they are first visited or written. It is available via -anonymous ftp to roebling.poly.edu [128.238.5.31] in /pub/crypt++.el. -The same directory contains also patches to dired, ange-ftp and info. -GNU tar 1.11.2 has a -z option to invoke directly gzip, so you don't have -to patch it. - -The znew and gzexe shell scripts provided with gzip benefit from -(but do not require) the cpmod utility to transfer file attributes. -It is available by anonymous ftp on gatekeeper.dec.com in -/.0/usenet/comp.sources.unix/volume11/cpmod.Z. - -The sample programs zread.c, sub.c and add.c are provided as examples -of useful complements to gzip. Read the comments inside each source file. -The perl script ztouch is also provided as example (not installed -by default since it relies on perl). - - -gzip is free software, you can redistribute it and/or modify it under -the terms of the GNU General Public License, a copy of which is -provided under the name COPYING. The latest version of gzip are always -available by ftp in prep.ai.mit.edu:/pub/gnu, or in any of the prep -mirror sites: - -- sources in gzip-*.tar (or .shar or .tar.z) -- Solaris 2 executables in sparc-sun-solaris2/gzip-binaries-*.tar -- MSDOS lha self-extracting exe in gzip-msdos-*.exe. Once extracted, - copy gzip.exe to gunzip.exe and zcat.exe, or use "gzip -d" to decompress. - -A VMS executable is available in ftp.spc.edu:[.macro32.savesets]gzip-1-*.zip -(use [.macro32]unzip.exe to extract). - -Many thanks to those who provided me with bug reports and feedback. -See the files THANKS and ChangeLog for more details. - - - Note about zip vs. gzip: - -The name 'gzip' was a very unfortunate choice, because zip and gzip -are two really different programs, although the actual compression and -decompression sources were written by the same persons. A different -name should have been used for gzip, but it is too late to change now. - -zip is an archiver: it compresses several files into a single archive -file. gzip is a simple compressor: each file is compressed separately. -Both share the same compression and decompression code for the -'deflate' method. unzip can also decompress old zip archives -(implode, shrink and reduce methods). gunzip can also decompress files -created by compress and pack. zip 1.9 and gzip do not support -compression methods other than deflation. (zip 1.0 supports shrink and -implode). Better compression methods may be added in future versions -of gzip. zip will always stick to absolute compatibility with pkzip, -it is thus constrained by PKWare, which is a commercial company. The -gzip header format is deliberately different from that of pkzip to -avoid such a constraint. - -On Unix, gzip is mostly useful in combination with tar. GNU tar -1.11.2 has a -z option to invoke gzip automatically. "tar -z" -compresses better than zip, since gzip can then take advantage of -redundancy between distinct files. The drawback is that you must -scan the whole tar.z file in order to extract a single file near -the end; unzip can directly seek to the end of the zip file. There -is no overhead when you extract the whole archive anyway. -If a member of a .zip archive is damaged, other files can still -be recovered. If a .tar.z file is damaged, files beyond the failure -point cannot be recovered. (Future versions of gzip will have -error recovery features.) - -gzip and gunzip are distributed as a single program. zip and unzip -are, for historical reasons, two separate programs, although the -authors of these two programs work closely together in the info-zip -team. zip and unzip are not associated with the GNU project. -The sources are available by ftp in - - oak.oakland.edu:/pub/misc/unix/zip19p1.zip - oak.oakland.edu:/pub/misc/unix/unz50p1.tar-z diff --git a/gnu/usr.bin/gzip-1.1.1/THANKS b/gnu/usr.bin/gzip-1.1.1/THANKS deleted file mode 100644 index 5c9a47bcceb6..000000000000 --- a/gnu/usr.bin/gzip-1.1.1/THANKS +++ /dev/null @@ -1,196 +0,0 @@ -gzip was written by Jean-loup Gailly , with -portions written by Mark Adler (inflate.c) and Peter Jannesen -(unlzw.c). The zip deflate format was defined by Phil Katz. -Thanks to those who reported problems and suggested -various improvements. Here is a partial list of them: - -Mark Adler madler@cco.caltech.edu -Edwin Allum edwin@csri.toronto.edu -Joseph Arceneaux jla@gnu.ai.mit.edu -Tim Auckland tda10@cus.cam.ac.uk -Ken-ichiro Aoki aoki@madonna.physics.ucla.edu -David Ascher da@marlowe.cog.brown.edu -Eric Backus ericb@lsid.hp.com -Becky A. Badgett badgett@cs.utexas.edu -Dave Barber dbarber@apocalypse.bbn.com -Rene Beaulieu reneb@distri.hydro.qc.ca -Neal Becker neal@ctd.comsat.com -Dieter Becker becker@med-in.uni-sb.de -Nelson H. F. Beebe beebe@geronimo.math.utah.edu -Jeff Beadles jeff@onion.rain.com -David J. N. Begley dbegley@st.nepean.uws.edu.au -Jim Bernard jbernard@iola.mines.colorado.edu -Karl Berry karl@cs.umb.edu -James W. Birdsall jwbirdsa@picarefy.picarefy.com -Wayne E. Bouchard web@paladine.hacks.arizona.edu -Marc Boucher marc@cam.org -Ola Brahammar pt90ob@pt.hk-r.se -Dave Brennan brennan@hal.com -Alan Brown dogbowl@dogbox.acme.gen.nz -Rodney Brown rdb@mel.cocam.oz.au -Bruce bde@runx.oz.au -Leila Burrell-Davis leilabd@syma.sussex.ac.uk -Roger Butenuth butenuth@ira.uka.de -Bud Carlson bud@isle.pegasus.com -Lim Fung Chai fclim@i1sin.daq.semi.harris.com -Wes Chalfant wes@kofax.com -Paul Close pdc@lunch.wpd.sgi.com -Kevin Cosgrove kevinc@tekig6.pen.tek.com -Stephen J Cowley s.j.cowley@amtp.cam.ac.uk -Frank Crawford frank@photon.ansto.gov.au -James R. Crawford qralston@cislabs.pitt.edu -Lawrence Crowl crowl@research.cs.orst.edu -Klaus Dahlenburg kdburg@incoahe.hanse.de -William E Davidsen davidsen@ariel.crd.ge.com -Jeff Deifik jdeifik@isi.edu -Vince DeMarco vince@whatnxt.cuc.ab.ca -Michael De La Rue p91152@cplab.physics.edinburgh.ac.uk -Lawrence R. Dodd dodd@roebling.poly.edu -Matthew Donadio donadio@mxd120.rh.psu.edu -Andy Dougherty andy@crystal.phys.lafayette.edu -John Eaton jwe@che.utexas.edu -Brian Edmonds edmonds@edmonds.home.cs.ubc.ca -Paul Eggert eggert@twinsun.com -Enami enami@sys.ptg.sony.co.jp -Kristoffer Eriksson ske@pkmab.se -Daniel Eriksson m91der@bellatrix.tdb.uu.se -Rik Faith faith@cs.unc.edu -Larry Fahnoe fahnoe@c1mpls.mn.org -Cristian Ferretti cfs@poincare.mat.puc.cl -Karl-Jose Filler pla_jfi@pki-nbg.philips.de -Per Foreby perf@efd.lth.se -Alexander Fraser alex@cs.umb.edu -Noah Friedman friedman@gnu.ai.mit.edu -Bob Friesenhahn bfriesen@iphase.com -Andy Fyfe andy@scp.caltech.edu -Geoff geoff@frs.faxon.com -Kaveh R. Ghazi ghazi@staccato.rutgers.edu -Torbjorn Granlund tege@sics.se -Carl Greco cgreco@parrot.creighton.edu -Bruno Haible haible@ma2s2.mathematik.uni-karlsruhe.de -Junio Hamano junio@shadow.twinsun.com -Harald Hanche-Olsen hanche@ams.sunysb.edu -Darrel R. Hankerson hankedr@mail.auburn.edu -Ruediger Helsch ruediger@ramz.ing.tu-bs.de -Mark C. Henderson mch@sqwest.wimsey.bc.ca -Karl Heuer karl@kelp.boston.ma.us -Thomas Hiller hiller@fzi.de -Eiji Hirai hirai@cc.swarthmore.edu -Kjetil Torgrim Homme kjetilho@ifi.uio.no -Preston Hunt gt5708a@prism.gatech.edu -Shane C Hutchins sch@nymph.msel.unh.edu -Hutch hutchinson@wrair-emh1.army.mil -Lester Ingber ingber@alumni.caltech.edu -Ken Ishii ishii@sni-usa.com -Per Steinar Iversen iversen@vsfys1.fi.uib.no -Michal Jaegermann ntomczak@vm.ucs.ualberta.ca -Brian Jones brianj@skat.usc.edu -Denny de Jonge witaddj@dutrex.tudelft.nl -Arne H. Juul arnej@lise.unit.no -Dana Jacobsen jacobsd@solar.cor2.epa.gov -Peter Jannesen peter@ncs.nl -Sarantos Kapidakis sarantos%manteion@ics.forth.gr -Amir J. Katz amir@matis.ingr.com -Steve Kelem kelem@castor.xilinx.com -Randy Kirchhof rkk@posms.aus.tx.us -Ned Kittlitz kittlitz@seagoon.sw.stratus.com -Pete Klammer pklammer@ouray.denver.colorado.edu -Fritz Kleemann kleemann@informatik.uni-wuerzburg.dbp.de -Tom Kloos tk@sequent.com -Carsten Koch carsten.koch@icem.de -Winfried Koenig win@in.rhein-main.de -Steph Konigsdorfer s.konigsdorfer@frmy.bull.fr -Michael D. Lawler mdlawler@bsu-cs.bsu.edu -Kevin Layer layer@franz.com -Howard D. Leadmon howardl@wb3ffv.ampr.org -Alexander Lehmann alex@hal.rhein-main.de -Simon Leinen simon@lia.di.epfl.ch -Hugues Leroy hugues.leroy@irisa.fr -Charles Levert charles@aramis.comm.polymtl.ca -Torbj|rn Lindh toobii@elixir.e.kth.se -David R. Linn drl@vuse.vanderbilt.edu -Antonio Lioy cat@athena.polito.it -Jamie Lokier u90jl@ecs.oxford.ac.uk -David J. MacKenzie djm@eng.umd.edu -John R MacMillan john@chance.gts.org -Ron Male male@eso.mc.xerox.com -Steeve McCauley steeve@pooh.geophys.mcgill.ca -Tod McQuillin mcquill@ccit05.duq.edu -Tye McQueen tye@spillman.com -Bernd Melchers melchers@chemie.fu-berlin.de -Jason Merrill jason@jarthur.claremont.edu -Dean S. Messing deanm@medulla.labs.tek.com -Luke Mewburn zak@rmit.edu.au -Jim Meyering meyering@cs.utexas.edu -Frederic Miserey miserey@laguna.ics.uci.edu -Marcel J.E. Mol marcel@duteca.et.tudelft.nl -Chris Moore moore@src.bae.co.uk -Helmut Muelner hmuelner@fiicmds04.tu-graz.ac.at -Urban D Mueller umueller@amiga.physik.unizh.ch -Timothy Murphy tim@maths.tcd.ie -Greg Naber greg@squally.halcyon.com -Karl L. Noell noell@informatik.fh-wiesbaden.dbp.de -Arthur David Olson ado@elsie.nci.nih.gov -Piet van Oostrum piet@cs.ruu.nl -Rafael R. Pappalardo rafapa@obelix.cica.es -Hal Peterson hrp@pecan.cray.com -Pascal Petit petit@cadillac.ibp.fr -Bruno Pillard bp@chorus.fr -Franc,ois Pinard pinard@iro.umontreal.ca -Jay Pinkos pinkos@butyng.bu.edu -Thomas Plass thomas@cogsci.ed.ac.uk -Mike Polo mikep@cfsmo.honeywell.com -Francesco Potorti pot@fly.cnuce.cnr.it -David Purves purves@apogee.com -Andreas Raab ar@nvmr.robin.de -Eric S. Raymond esr@snark.thyrsus.com -Klaus Reimann kr@cip.physik.uni-stuttgart.de -Michael Rendell michael@mercury.cs.mun.ca -Roland B Roberts roberts@nsrl31.nsrl.rochester.edu -Kevin Rodgers kevin@rolling-stone.den.mmc.com -Kai Uwe Rommel rommel@informatik.tu-muenchen.de -Paul Rubin phr@america.telebit.com -Wolfgang Rupprecht wolfgang@wsrcc.com -Jonathan Ryshpan jon@amito.hitachi.com -Paul A Sand pas@unh.edu -Tony Sanders sanders@bsdi.com -Mike Sangrey mike@sojurn.lns.pa.us -Niimi Satoshi a01309@cfi.waseda.ac.jp -Marc Schaefer sysadm@alphanet.ch -Andreas Schwab schwab@lamothe.informatik.uni-dortmund.de -Eric Schenk schenk@cs.toronto.edu -Rick Sladkey jrs@world.std.com -Daniel L Smith dls@autodesk.com -Fred Smith fredex%fcshome@merk.merk.com -Paul Southworth pauls@css.itd.umich.edu -Rob Spencer robbie@winkle.bhpese.oz.au -Richard Stallman rms@gnu.ai.mit.edu -Carsten Steger carsten.steger@informatik.tu-muenchen.de -Ed Sznyter ews@babel.babel.com -Hideaki Tanabe arctanx@iyeyasu.ynl.t.u-tokyo.ac.jp -Andrew Telford ajt@peregrin.resmel.bhp.com.au -Glenn E. Thobe thobe@getunx.info.com -Kei Thomsen kt@keihh.hanse.de -Karsten Thygesen karthy@dannug.dk -Mark Towfiq towfiq@microdyne.com -Jeff Treece treece@sabbagh.com -Oliver Trepte oliver@ikaros.fysik4.kth.se -Stephane Tsacas slt@is21.isoft.fr -Stephen Tweedie sct@dcs.ed.ac.uk -Sotiris Vassilopoulos vassilopoulos@virginia.edu -Pedro A. M. Vazquez vazquez@iqm.unicamp.br -Arjan de Vet devet@win.tue.nl -Vadim V. Vlasov vvlasov@inucres.msk.su -Eduard Vopicka eduard.vopicka@vse.cs -Theo Vosse vosse@ruls41.leidenuniv.nl -Marcel Waldvogel marcel@nice.usergroup.ethz.ch -Stephen J. Walick steve@nshore.org -Gray Watson gray@antaire.com -Scott Weikart scott@igc.apc.org -Ivo Welch iwelch@agsm.ucla.edu -Gijsb. Wiesenekker wiesenecker@sara.nl -Wietze van Winden wietze@swi.psy.uva.nl -Larry W. Virden lwv26@cas.org -Bill Wohler wohler@sap-ag.de -Jamie Zawinski jwz@lucid.com -Christos Zoulas christos@deshaw.com diff --git a/gnu/usr.bin/gzip-1.1.1/TODO b/gnu/usr.bin/gzip-1.1.1/TODO deleted file mode 100644 index 1587c759ac69..000000000000 --- a/gnu/usr.bin/gzip-1.1.1/TODO +++ /dev/null @@ -1,58 +0,0 @@ -TODO file for gzip. - -Some of the planned features include: - -- Structure the sources so that the compression and decompression code - form a library usable by any program, and write both gzip and zip on - top of this library. This would ideally be a reentrant (thread safe) - library, but this would degrade performance. In the meantime, you can - look at the sample program zread.c. - -- Make it convenient to define alternative user interfaces (in - particular for windowing environments). - -- Support in-memory compression for arbitrarily large amounts of data - (zip currently supports in-memory compression only for a single buffer.) - -- Map files in memory when possible, this is generally much faster - than read/write. (zip currently maps entire files at once, this - should be done in chunks to reduce memory usage.) - -- Add a super-fast compression method, suitable for implementing - file systems with transparent compression. One problem is that the - best candidate (lzrw1) is patented twice (Waterworth 4,701,745 - and Gibson & Graybill 5,049,881). The lzrw series of algorithms - are available by ftp in ftp.adelaide.edu.au:/pub/compression/lzrw*. - -- Add a super-tight (but slow) compression method, suitable for long - term archives. One problem is that the best versions of arithmetic - coding are patented (4,286,256 4,295,125 4,463,342 4,467,317 - 4,633,490 4,652,856 4,891,643 4,905,297 4,935,882 4,973,961 - 5,023,611 5,025,258). - - Note: I will introduce new compression methods only if they are - significantly better in either speed or compression ratio than the - existing method(s). So the total number of different methods should - reasonably not exceed 3. (The current 9 compression levels are just - tuning parameters for a single method, deflation.) - -- Add optional error correction. One problem is that the current version - of ecc cannot recover from inserted or missing bytes. It would be - nice to recover from the most common error (transfer of a binary - file in ascii mode). - -- Add a block size (-b) option to improve error recovery in case of - failure of a complete sector. Each block could be extracted - independently, but this reduces the compression ratio. - -- Use a larger window size to deal with some large redundant files that - 'compress' currently handles better than gzip. - -- implement the following options: - - -e encrypt - -l list .z file contents - -- support .Z files in SCO 'compress -H' format. - -Send comments to Jean-loup Gailly .