Annotation of src/usr.bin/less/version.c, Revision 1.5
1.1 etheisen 1: /*
1.3 millert 2: * Copyright (C) 1984-2002 Mark Nudelman
1.1 etheisen 3: *
1.3 millert 4: * You may distribute under the terms of either the GNU General Public
5: * License or the Less License, as specified in the README file.
1.1 etheisen 6: *
1.3 millert 7: * For more information about less, or for information on how to
8: * contact the author, see the README file.
1.1 etheisen 9: */
10:
11:
12: /*
13: ----------------------- CHANGE HISTORY --------------------------
14:
1.3 millert 15: 1/29/84 Allowed use on standard input
16: 2/1/84 Added E, N, P commands
17: 4/17/84 Added '=' command, 'stop' signal handling
18: 4/20/84 Added line folding
1.1 etheisen 19: v2 4/27/84 Fixed '=' command to use BOTTOM_PLUS_ONE,
1.3 millert 20: instead of TOP, added 'p' & 'v' commands
21: v3 5/3/84 Added -m and -t options, '-' command
22: v4 5/3/84 Added LESS environment variable
23: v5 5/3/84 New comments, fixed '-' command slightly
24: v6 5/15/84 Added -Q, visual bell
1.1 etheisen 25: v7 5/24/84 Fixed jump_back(n) bug: n should count real
26: lines, not folded lines. Also allow number on G command.
1.3 millert 27: v8 5/30/84 Re-do -q and -Q commands
28: v9 9/25/84 Added "+<cmd>" argument
29: v10 10/10/84 Fixed bug in -b<n> argument processing
30: v11 10/18/84 Made error() ring bell if \n not entered.
1.1 etheisen 31: -----------------------------------------------------------------
32: v12 2/13/85 Reorganized signal handling and made portable to 4.2bsd.
1.3 millert 33: v13 2/16/85 Reword error message for '-' command.
34: v14 2/22/85 Added -bf and -bp variants of -b.
35: v15 2/25/85 Miscellaneous changes.
36: v16 3/13/85 Added -u flag for backspace processing.
37: v17 4/13/85 Added j and k commands, changed -t default.
38: v18 4/20/85 Rewrote signal handling code.
39: v19 5/2/85 Got rid of "verbose" eq_message().
1.1 etheisen 40: Made search() scroll in some cases.
1.3 millert 41: v20 5/21/85 Fixed screen.c ioctls for System V.
42: v21 5/23/85 Fixed some first_cmd bugs.
43: v22 5/24/85 Added support for no RECOMP nor REGCMP.
44: v23 5/25/85 Miscellanous changes and prettying up.
1.1 etheisen 45: Posted to USENET.
46: -----------------------------------------------------------------
47: v24 6/3/85 Added ti,te terminal init & de-init.
48: (Thanks to Mike Kersenbrock)
1.3 millert 49: v25 6/8/85 Added -U flag, standout mode underlining.
50: v26 6/9/85 Added -M flag.
1.1 etheisen 51: Use underline termcap (us) if it exists.
1.3 millert 52: v27 6/15/85 Renamed some variables to make unique in
1.1 etheisen 53: 6 chars. Minor fix to -m.
1.3 millert 54: v28 6/28/85 Fixed right margin bug.
55: v29 6/28/85 Incorporated M.Rose's changes to signal.c
56: v30 6/29/85 Fixed stupid bug in argument processing.
1.1 etheisen 57: v31 7/15/85 Added -p flag, changed repaint algorithm.
58: Added kludge for magic cookie terminals.
1.3 millert 59: v32 7/16/85 Added cat_file if output not a tty.
60: v33 7/23/85 Added -e flag and EDITOR.
61: v34 7/26/85 Added -s flag.
62: v35 7/27/85 Rewrote option handling; added option.c.
63: v36 7/29/85 Fixed -e flag to work if not last file.
64: v37 8/10/85 Added -x flag.
65: v38 8/19/85 Changed prompting; created prompt.c.
66: v39 8/24/85 (Not -p) does not initially clear screen.
67: v40 8/26/85 Added "skipping" indicator in forw().
1.1 etheisen 68: Posted to USENET.
69: -----------------------------------------------------------------
1.3 millert 70: v41 9/17/85 ONLY_RETURN, control char commands,
1.1 etheisen 71: faster search, other minor fixes.
1.3 millert 72: v42 9/25/85 Added ++ command line syntax;
1.1 etheisen 73: ch_fsize for pipes.
1.3 millert 74: v43 10/15/85 Added -h flag, changed prim.c algorithms.
75: v44 10/16/85 Made END print in all cases of eof;
1.1 etheisen 76: ignore SIGTTOU after receiv ing SIGTSTP.
1.3 millert 77: v45 10/16/85 Never print backspaces unless -u.
78: v46 10/24/85 Backwards scroll in jump_loc.
79: v47 10/30/85 Fixed bug in edit(): *first_cmd==0
80: v48 11/16/85 Use TIOCSETN instead of TIOCSETP.
1.1 etheisen 81: Added marks (m and ' commands).
82: Posted to USENET.
83: -----------------------------------------------------------------
1.3 millert 84: v49 1/9/86 Fixed bug: signal didn't clear mcc.
85: v50 1/15/86 Added ' (quote) to gomark.
1.1 etheisen 86: v51 1/16/86 Added + cmd, fixed problem if first_cmd
87: fails, made g cmd sort of "work" on pipes
1.3 millert 88: ev en if bof is no longer buffered.
89: v52 1/17/86 Made short files work better.
90: v53 1/20/86 Added -P option.
91: v54 1/20/86 Changed help to use HELPFILE.
92: v55 1/23/86 Messages work better if not tty output.
93: v56 1/24/86 Added -l option.
1.1 etheisen 94: v57 1/31/86 Fixed -l to get confirmation before
1.3 millert 95: ov erwriting an existing file.
96: v58 8/28/86 Added filename globbing.
97: v59 9/15/86 Fixed some bugs with very long filenames.
1.1 etheisen 98: v60 9/26/86 Incorporated changes from Leith (Casey)
1.3 millert 99: Leedom for boldface and -z option.
100: v61 9/26/86 Got rid of annoying repaints after ! cmd.
1.1 etheisen 101: Posted to USENET.
102: -----------------------------------------------------------------
103: v62 12/23/86 Added is_directory(); change -z default to
104: -1 instead of 24; cat-and-exit if -e and
1.3 millert 105: file is less than a screenful.
106: v63 1/8/87 Fixed bug in cat-and-exit if > 1 file.
1.1 etheisen 107: v64 1/12/87 Changed puts/putstr, putc/putchr,
108: getc/getchr to av oid name conflict with
1.3 millert 109: stdio functions.
1.1 etheisen 110: v65 1/26/87 Allowed '-' command to change NUMBER
1.3 millert 111: v alued options (thanks to Gary Puckering)
112: v66 2/13/87 Fixed bug: prepaint should use force=1.
113: v67 2/24/87 Added !! and % expansion to ! command.
1.1 etheisen 114: v68 2/25/87 Added SIGWINCH and TIOCGWINSZ support;
115: changed is_directory to bad_file.
1.3 millert 116: (thanks to J. Robert Ward)
117: v69 2/25/87 Added SIGWIND and WIOCGETD (for Unix PC).
1.1 etheisen 118: v70 3/13/87 Changed help cmd from 'h' to 'H'; better
1.3 millert 119: error msgs in bad_file, errno_message.
1.1 etheisen 120: v71 5/11/87 Changed -p to -c, made triple -c/-C
1.3 millert 121: for clear-eol like more's -c.
122: v72 6/26/87 Added -E, -L, use $SHELL in lsystem().
1.1 etheisen 123: (thanks to Stev e Spearman)
1.3 millert 124: v73 6/26/87 Allow Examine "#" for previous file.
1.1 etheisen 125: Posted to USENET 8/25/87.
126: -----------------------------------------------------------------
1.3 millert 127: v74 9/18/87 Fix conflict in EOF symbol with stdio.h,
1.1 etheisen 128: Make os.c more portable to BSD.
1.3 millert 129: v75 9/23/87 Fix problems in get_term (thanks to
1.1 etheisen 130: Paul Eggert); new backwards scrolling in
131: jump_loc (thanks to Marion Hakanson).
1.3 millert 132: v76 9/23/87 Added -i flag; allow single "!" to
1.1 etheisen 133: inv oke a shell (thanks to Franco Barber).
1.3 millert 134: v77 9/24/87 Added -n flag and line number support.
135: v78 9/25/87 Fixed problem with prompts longer than
1.1 etheisen 136: the screen width.
1.3 millert 137: v79 9/29/87 Added the _ command.
138: v80 10/6/87 Allow signal to break out of linenum scan.
139: v81 10/6/87 Allow -b to be changed from within less.
140: v82 10/7/87 Add cmd_decode to use a table for key
1.1 etheisen 141: binding (thanks to Dav id Nason).
1.3 millert 142: v83 10/9/87 Allow .less file for user-defined keys.
143: v84 10/11/87 Fix -e/-E problems (thanks to Felix Lee).
144: v85 10/15/87 Search now keeps track of line numbers.
145: v86 10/20/87 Added -B option and autobuf; fixed
1.1 etheisen 146: "pipe error" bug.
1.3 millert 147: v87 3/1/88 Fix bug re BSD signals while reading file.
148: v88 3/12/88 Use new format for -P option (thanks to
1.1 etheisen 149: der Mouse), allow "+-c" without message,
150: fix bug re BSD hangup.
1.3 millert 151: v89 3/18/88 Turn off line numbers if linenum scan
1.1 etheisen 152: is interrupted.
1.3 millert 153: v90 3/30/88 Allow -P from within less.
154: v91 3/30/88 Added tags file support (new -t option)
1.1 etheisen 155: (thanks to Brian Campbell).
1.3 millert 156: v92 4/4/88 Added -+option syntax.
157: v93 4/11/88 Add support for slow input (thanks to
1.1 etheisen 158: Joe Orost & apologies for taking almost
159: 3 years to get this in!)
1.3 millert 160: v94 4/11/88 Redo reading/signal stuff.
161: v95 4/20/88 Repaint screen better after signal.
162: v96 4/21/88 Add /! and ?! commands.
163: v97 5/17/88 Allow -l/-L from within less.
1.1 etheisen 164: Eliminate some static arrays (use calloc).
165: Posted to USENET.
166: -----------------------------------------------------------------
1.3 millert 167: v98 10/14/88 Fix incorrect calloc call; uninitialized
1.1 etheisen 168: var in exec_mca; core dump on unknown TERM.
169: Make v cmd work if past last line of file.
170: Fix some signal bugs.
1.3 millert 171: v99 10/29/88 Allow space between -X and string,
1.1 etheisen 172: when X is a string-valued option.
1.3 millert 173: v100 1/5/89 Fix globbing bug when $SHELL not set;
1.1 etheisen 174: allow spaces after -t command.
1.3 millert 175: v101 1/6/89 Fix problem with long (truncated) lines
1.1 etheisen 176: in tags file (thanks to Neil Dixon).
1.3 millert 177: v102 1/6/89 Fix bug with E# when no prev file;
1.1 etheisen 178: allow spaces after -l command.
1.3 millert 179: v103 3/14/89 Add -N, -f and -? options. Add z and w
1.1 etheisen 180: commands. Add %L for prompt strings.
1.3 millert 181: v104 3/16/89 Added EDITPROTO.
182: v105 3/20/89 Fix bug in find_linenum which cached
1.1 etheisen 183: incorrectly on long lines.
184: v106 3/31/89 Added -k option and multiple lesskey
185: files.
1.3 millert 186: v107 4/27/89 Add 8-bit char support and -g option.
1.1 etheisen 187: Split option code into 3 files.
188: v108 5/5/89 Allocate position table dynamically
189: (thanks to Paul Eggert); change % command
190: from "percent" to vi-style brace finder.
1.3 millert 191: v109 5/10/89 Added ESC-% command, split prim.c.
192: v110 5/24/89 Fixed bug in + option; fixed repaint bug
1.1 etheisen 193: under Sun windows (thanks to Paul Eggert).
1.3 millert 194: v111 5/25/89 Generalized # and % expansion; use
1.1 etheisen 195: calloc for some error messages.
1.3 millert 196: v112 5/30/89 Get rid of ESC-%, add {}()[] commands.
197: v113 5/31/89 Optimize lseeks (thanks to Paul Eggert).
198: v114 7/25/89 Added ESC-/ and ESC-/! commands.
199: v115 7/26/89 Added ESC-n command.
200: v116 7/31/89 Added find_pos to optimize g command.
201: v117 8/1/89 Change -f option to -r.
202: v118 8/2/89 Save positions for all previous files,
1.1 etheisen 203: not just the immediately previous one.
1.3 millert 204: v119 8/7/89 Save marks across file boundaries.
1.1 etheisen 205: Add file handle stuff.
1.3 millert 206: v120 8/11/89 Add :ta command.
207: v121 8/16/89 Add -f option.
208: v122 8/30/89 Fix performance with many buffers.
209: v123 8/31/89 Verbose prompts for string options.
1.1 etheisen 210: Posted beta to USENET.
211: -----------------------------------------------------------------
1.3 millert 212: v124 9/18/89 Reorganize search commands,
1.1 etheisen 213: N = rev, ESC-n = span, add ESC-N.
1.3 millert 214: v125 9/18/89 Fix tab bug (thanks to Alex Liu).
1.1 etheisen 215: Fix EOF bug when both -w and -c.
1.3 millert 216: v126 10/25/89 Add -j option.
217: v127 10/27/89 Fix problems with blank lines before BOF.
218: v128 10/27/89 Add %bj, etc. to prompt strings.
219: v129 11/3/89 Add -+,-- commands; add set-option and
1.1 etheisen 220: unset-option to lesskey.
1.3 millert 221: v130 11/6/89 Generalize A_EXTRA to string, remove
1.1 etheisen 222: set-option, unset-option from lesskey.
1.3 millert 223: v131 11/7/89 Changed name of EDITPROTO to LESSEDIT.
224: v132 11/8/89 Allow editing of command prefix.
225: v133 11/16/89 Add -y option (thanks to Jeff Sullivan).
226: v134 12/1/89 Glob filenames in the -l command.
227: v135 12/5/89 Combined {}()[] commands into one, and
1.1 etheisen 228: added ESC-^F and ESC-^B commands.
1.3 millert 229: v136 1/20/90 Added -S, -R flags. Added | command.
1.1 etheisen 230: Added warning for binary files. (thanks
231: to Richard Brittain and J. Sullivan).
1.3 millert 232: v137 1/21/90 Rewrote horrible pappend code.
1.1 etheisen 233: Added * notation for hi-bit chars.
1.3 millert 234: v138 1/24/90 Fix magic cookie terminal handling.
1.1 etheisen 235: Get rid of "cleanup" loop in ch_get.
1.3 millert 236: v139 1/27/90 Added MSDOS support. (many thanks
1.1 etheisen 237: to Richard Brittain).
1.3 millert 238: v140 2/7/90 Editing a new file adds it to the
1.1 etheisen 239: command line list.
1.3 millert 240: v141 2/8/90 Add edit_list for editing >1 file.
241: v142 2/10/90 Add :x command.
242: v143 2/11/90 Add * and @ modifies to search cmds.
1.1 etheisen 243: Change ESC-/ cmd from /@* to / *.
1.3 millert 244: v144 3/1/90 Messed around with ch_zero;
1.1 etheisen 245: no real change.
1.3 millert 246: v145 3/2/90 Added -R and -v/-V for MSDOS;
1.1 etheisen 247: renamed FILENAME to avoid conflict.
1.3 millert 248: v146 3/5/90 Pull cmdbuf functions out of command.c
249: v147 3/7/90 Implement ?@; fix multi-file edit bugs.
250: v148 3/29/90 Fixed bug in :e<file> then :e#.
251: v149 4/3/90 Change error,ierror,query to use PARG.
252: v150 4/6/90 Add LESS_CHARSET, LESS_CHARDEF.
253: v151 4/13/90 Remove -g option; clean up ispipe.
254: v152 4/14/90 lsystem() closes input file, for
1.1 etheisen 255: editors which require exclusive open.
1.3 millert 256: v153 4/18/90 Fix bug if SHELL unset;
1.1 etheisen 257: fix bug in overstrike control char.
1.3 millert 258: v154 4/25/90 Output to fd 2 via buffer.
259: v155 4/30/90 Ignore -i if uppercase in pattern
1.1 etheisen 260: (thanks to Michael Rendell.)
1.3 millert 261: v156 5/3/90 Remove scroll limits in forw() & back();
1.1 etheisen 262: causes problems with -c.
1.3 millert 263: v157 5/4/90 Forward search starts at next real line
1.1 etheisen 264: (not screen line) after jump target.
1.3 millert 265: v158 6/14/90 Added F command.
266: v159 7/29/90 Fix bug in exiting: output not flushed.
267: v160 7/29/90 Clear screen before initial output w/ -c.
268: v161 7/29/90 Add -T flag.
269: v162 8/14/90 Fix bug with +F on command line.
270: v163 8/21/90 Added LESSBINFMT variable.
271: v164 9/5/90 Added -p, LINES, COLUMNS and
1.1 etheisen 272: unset mark ' == BOF, for 1003.2 D5.
1.3 millert 273: v165 9/6/90 At EOF with -c set, don't display empty
1.1 etheisen 274: screen when try to page forward.
1.3 millert 275: v166 9/6/90 Fix G when final line in file wraps.
276: v167 9/11/90 Translate CR/LF -> LF for 1003.2.
277: v168 9/13/90 Return to curr file if "tag not found".
278: v169 12/12/90 G goes to EOF even if file has grown.
279: v170 1/17/91 Add optimization for BSD _setjmp;
1.1 etheisen 280: fix #include ioctl.h TERMIO problem.
281: (thanks to Paul Eggert)
282: Posted to USENET.
283: -----------------------------------------------------------------
1.3 millert 284: v171 3/6/91 Fix -? bug in get_filename.
285: v172 3/15/91 Fix G bug in empty file.
1.1 etheisen 286: Fix bug with ?\n and -i and uppercase
287: pattern at EOF!
288: (thanks to Paul Eggert)
1.3 millert 289: v173 3/17/91 Change N cmd to not permanently change
1.1 etheisen 290: direction. (thanks to Brian Matthews)
1.3 millert 291: v174 3/18/91 Fix bug with namelogfile not getting
1.1 etheisen 292: cleared when change files.
1.3 millert 293: v175 3/18/91 Fix bug with ++cmd on command line.
1.1 etheisen 294: (thanks to Jim Meyering)
1.3 millert 295: v176 4/2/91 Change | to not force current screen,
1.1 etheisen 296: include marked line, start/end from
297: top of screen. Improve search speed.
298: (thanks to Don Mears)
1.3 millert 299: v177 4/2/91 Add LESSHELP variable.
1.1 etheisen 300: Fix bug with F command with -e.
301: Try /dev/tty for input before using fd 2.
302: Patches posted to USENET 4/2/91.
303: -----------------------------------------------------------------
1.3 millert 304: v178 4/8/91 Fixed bug in globbing logfile name.
1.1 etheisen 305: (thanks to Jim Meyering)
1.3 millert 306: v179 4/9/91 Allow negative -z for screen-relative.
307: v180 4/9/91 Clear to eos rather than eol if "db";
1.1 etheisen 308: don't use "sr" if "da".
309: (thanks to Tor Lillqvist)
1.3 millert 310: v181 4/18/91 Fixed bug with "negative" chars 80 - FF.
1.1 etheisen 311: (thanks to Benny Sander Hofmann)
1.3 millert 312: v182 5/16/91 Fixed bug with attribute at EOL.
1.1 etheisen 313: (thanks to Brian Matthews)
1.3 millert 314: v183 6/1/91 Rewrite linstall to do smart config.
315: v184 7/11/91 Process \b in searches based on -u
1.1 etheisen 316: rather than -i.
1.3 millert 317: v185 7/11/91 -Pxxx sets short prompt; assume SIGWINCH
1.1 etheisen 318: after a SIGSTOP. (thanks to Ken Laprade)
319: -----------------------------------------------------------------
1.3 millert 320: v186 4/20/92 Port to MS-DOS (Microsoft C).
321: v187 4/23/92 Added -D option & TAB_COMPLETE_FILENAME.
322: v188 4/28/92 Added command line editing features.
323: v189 12/8/92 Fix mem overrun in anscreen.c:init;
1.1 etheisen 324: fix edit_list to recover from bin file.
1.3 millert 325: v190 2/13/93 Make TAB enter one filename at a time;
1.1 etheisen 326: create ^L with old TAB functionality.
1.3 millert 327: v191 3/10/93 Defer creating "flash" page for MS-DOS.
328: v192 9/6/93 Add BACK-TAB.
329: v193 9/17/93 Simplify binary_file handling.
330: v194 1/4/94 Add rudiments of alt_filename handling.
331: v195 1/11/94 Port back to Unix; support keypad.
1.1 etheisen 332: -----------------------------------------------------------------
1.3 millert 333: v196 6/7/94 Fix bug with bad filename; fix IFILE
1.1 etheisen 334: type problem. (thanks to David MacKenzie)
1.3 millert 335: v197 6/7/94 Fix bug with .less tables inserted wrong.
336: v198 6/23/94 Use autoconf installation technology.
1.1 etheisen 337: (thanks to David MacKenzie)
1.3 millert 338: v199 6/29/94 Fix MS-DOS build (thanks to Tim Wiegman).
339: v200 7/25/94 Clean up copyright, minor fixes.
1.1 etheisen 340: Posted to prep.ai.mit.edu
341: -----------------------------------------------------------------
1.3 millert 342: v201 7/27/94 Check for no memcpy; add casts to calloc;
1.1 etheisen 343: look for regcmp in libgen.a.
344: (thanks to Kaveh Ghazi).
1.3 millert 345: v202 7/28/94 Fix bug in edit_next/edit_prev with
1.4 jmc 346: non-existent files.
1.3 millert 347: v203 8/2/94 Fix a variety of configuration bugs on
1.1 etheisen 348: various systems. (thanks to Sakai
349: Kiyotaka, Harald Koenig, Bjorn Brox,
350: Teemu Rantanen, and Thorsten Lockert)
1.3 millert 351: v204 8/3/94 Use strerror if available.
1.1 etheisen 352: (thanks to J.T. Conklin)
1.3 millert 353: v205 8/5/94 Fix bug in finding "me" termcap entry.
1.1 etheisen 354: (thanks to Andreas Stolcke)
1.3 millert 355: 8/10/94 v205+: Change BUFSIZ to LBUFSIZE to avoid name
1.1 etheisen 356: conflict with stdio.h.
357: Posted to prep.ai.mit.edu
358: -----------------------------------------------------------------
1.3 millert 359: v206 8/10/94 Use initial_scrpos for -t to avoid
1.1 etheisen 360: displaying first page before init().
361: (thanks to Dominique Petitpierre)
1.3 millert 362: v207 8/12/94 Fix bug if stdout is not tty.
363: v208 8/16/94 Fix bug in close_altfile if goto err1
1.1 etheisen 364: in edit_ifile. (Thanks to M.J. Hewitt)
1.3 millert 365: v209 8/16/94 Change scroll to wscroll to avoid
1.1 etheisen 366: conflict with library function.
1.3 millert 367: v210 8/16/94 Fix bug with bold on 8 bit chars.
1.1 etheisen 368: (thanks to Vitor Duarte)
1.3 millert 369: v211 8/16/94 Don't quit on EOI in jump_loc / forw.
370: v212 8/18/94 Use time_t if available.
371: v213 8/20/94 Allow ospeed to be defined in termcap.h.
372: v214 8/20/94 Added HILITE_SEARCH, -F, ESC-u cmd.
1.1 etheisen 373: (thanks to Paul Lew and Bob Byrnes)
1.3 millert 374: v215 8/23/94 Fix -i toggle behavior.
375: v216 8/23/94 Process BS in all searches, not only -u.
376: v217 8/24/94 Added -X flag.
377: v218 8/24/94 Reimplement undo_search.
378: v219 8/24/94 Find tags marked with line number
1.1 etheisen 379: instead of pattern.
1.3 millert 380: v220 8/24/94 Stay at same position after SIG_WINCH.
381: v221 8/24/94 Fix bug in file percentage in big file.
382: v222 8/25/94 Do better if can't reopen current file.
383: v223 8/27/94 Support setlocale.
1.1 etheisen 384: (thanks to Robert Joop)
1.3 millert 385: v224 8/29/94 Revert v216: process BS in search
1.1 etheisen 386: only if -u.
1.3 millert 387: v225 9/6/94 Rewrite undo_search again: toggle.
388: v226 9/15/94 Configuration fixes.
1.1 etheisen 389: (thanks to David MacKenzie)
1.3 millert 390: v227 9/19/94 Fixed strerror config problem.
1.1 etheisen 391: Posted to prep.ai.mit.edu
392: -----------------------------------------------------------------
1.3 millert 393: v228 9/21/94 Fix bug in signals: repeated calls to
1.1 etheisen 394: get_editkeys overflowed st_edittable.
1.3 millert 395: v229 9/21/94 Fix "Nothing to search" error if -a
1.1 etheisen 396: and SRCH_PAST_EOF.
1.3 millert 397: v230 9/21/94 Don't print extra error msg in search
1.1 etheisen 398: after regerror().
1.3 millert 399: v231 9/22/94 Fix hilite bug if search matches 0 chars.
1.1 etheisen 400: (thanks to John Polstra)
1.3 millert 401: v232 9/23/94 Deal with weird systems that have
1.1 etheisen 402: termios.h but not tcgetattr().
403: Posted to prep.ai.mit.edu
404: -----------------------------------------------------------------
1.3 millert 405: v233 9/26/94 Use get_term() instead of pos_init() in
1.1 etheisen 406: psignals to re-get lower_left termcap.
407: (Thanks to John Malecki)
1.3 millert 408: v234 9/26/94 Make MIDDLE closer to middle of screen.
409: v235 9/27/94 Use local strchr if system doesn't have.
410: v236 9/28/94 Don't use libucb; use libterm if
1.1 etheisen 411: libtermcap & libcurses doesn't work.
412: (Fix for Solaris; thanks to Frank Kaefer)
1.3 millert 413: v237 9/30/94 Use system isupper() etc if provided.
1.1 etheisen 414: Posted to prep.ai.mit.edu
415: -----------------------------------------------------------------
1.3 millert 416: v238 10/6/94 Make binary non-blinking if LESSBINFMT
1.1 etheisen 417: is set to a string without a *.
1.3 millert 418: v239 10/7/94 Don't let delimit_word run back past
1.1 etheisen 419: beginning of cmdbuf.
1.3 millert 420: v240 10/10/94 Don't write into termcap buffer.
1.1 etheisen 421: (Thanks to Benoit Speckel)
1.3 millert 422: v241 10/13/94 New lesskey file format.
1.1 etheisen 423: Don't expand filenames in search command.
1.3 millert 424: v242 10/14/94 Allow lesskey specification of "literal".
425: v243 10/14/94 Add #stop command to lesskey.
426: v244 10/16/94 Add -f flag to lesskey.
427: v245 10/25/94 Allow TAB_COMPLETE_FILENAME to be undefd.
428: v246 10/27/94 Move help file to /usr/local/share.
429: v247 10/27/94 Add -V option.
430: v248 11/5/94 Add -V option to lesskey.
431: v249 11/5/94 Remove -f flag from lesskey; default
1.1 etheisen 432: input file is ~/.lesskey.in, not stdin.
1.3 millert 433: v250 11/7/94 Lesskey input file "-" means stdin.
434: v251 11/9/94 Convert cfgetospeed result to ospeed.
1.1 etheisen 435: (Thanks to Andrew Chernov)
1.3 millert 436: v252 11/16/94 Change default lesskey input file from
1.1 etheisen 437: .lesskey.in to .lesskey.
438: Posted to prep.ai.mit.edu
439: -----------------------------------------------------------------
1.3 millert 440: v253 11/21/94 Fix bug when tags file has a backslash.
441: v254 12/6/94 Fix -k option.
442: v255 12/8/94 Add #define EXAMINE to disable :e etc.
443: v256 12/10/94 Change highlighting: only highlite search
1.1 etheisen 444: results (but now it is reliable).
1.3 millert 445: v257 12/10/94 Add goto_line and repaint_highlight
1.1 etheisen 446: to optimize highlight repaints.
1.3 millert 447: v258 12/12/94 Fixup in hilite_line if BS_SPECIAL.
448: v259 12/12/94 Convert to autoconf 2.0.
449: v260 12/13/94 Add SECURE define.
450: v261 12/14/94 Use system WERASE char as EC_W_BACKSPACE.
451: v262 12/16/94 Add -g/-G flag and screen_hilite.
452: v263 12/20/94 Reimplement/optimize -G flag behavior.
453: v264 12/23/94 Allow EXTRA string after line-edit cmd
1.1 etheisen 454: in lesskey file.
1.3 millert 455: v265 12/24/94 Add LESSOPEN=|cmd syntax.
456: v266 12/26/94 Add -I flag.
457: v267 12/28/94 Formalize the four-byte header emitted
1.1 etheisen 458: by a LESSOPEN pipe.
1.3 millert 459: v268 12/28/94 Get rid of four-byte header.
460: v269 1/2/95 Close alt file before open new one.
1.1 etheisen 461: Avoids multiple popen().
1.3 millert 462: v270 1/3/95 Use VISUAL; use S_ISDIR/S_ISREG; fix
1.1 etheisen 463: config problem with Solaris POSIX regcomp.
1.3 millert 464: v271 1/4/95 Don't quit on read error.
465: v272 1/5/95 Get rid of -L.
466: v273 1/6/95 Fix ch_ungetchar bug; don't call
1.1 etheisen 467: LESSOPEN on a pipe.
1.3 millert 468: v274 1/6/95 Ported to OS/2 (thanks to Kai Uwe Rommel)
469: v275 1/18/95 Fix bug if toggle -G at EOF.
470: v276 1/30/95 Fix OS/2 version.
471: v277 1/31/95 Add "next" charset; don't display ^X
1.1 etheisen 472: for X > 128.
1.3 millert 473: v278 2/14/95 Change default for -G.
1.1 etheisen 474: Posted to prep.ai.mit.edu
475: -----------------------------------------------------------------
1.3 millert 476: v279 2/22/95 Add GNU options --help, --version.
1.1 etheisen 477: Minor config fixes.
1.3 millert 478: v280 2/24/95 Clean up calls to glob(); don't set #
1.1 etheisen 479: if we can't open the new file.
1.3 millert 480: v281 2/24/95 Repeat search should turn on hilites.
481: v282 3/2/95 Minor fixes.
482: v283 3/2/95 Fix homefile; make OS2 look in $HOME.
483: v284 3/2/95 Error if "v" on LESSOPENed file;
1.1 etheisen 484: "%" figures out file size on pipe.
1.3 millert 485: v285 3/7/95 Don't set # in lsystem;
1.1 etheisen 486: lesskey try $HOME first.
487: v286 3/7/95 Reformat change history (too much free time?).
488: v287 3/8/95 Fix hilite bug if overstrike multiple chars.
489: v288 3/8/95 Allow lesskey to override get_editkey keys.
490: v289 3/9/95 Fix adj_hilite bug when line gets processed by
491: hilite_line more than once.
492: v290 3/9/95 Make configure automatically. Fix Sequent problem
493: with incompatible sigsetmask().
1.3 millert 494: Posted to prep.ai.mit.edu
495: -----------------------------------------------------------------
496: v291 3/21/95 Add #env to lesskey. Fix MS-DOS build.
497: Posted to simtel.
498: -----------------------------------------------------------------
499: v292 4/24/95 Add MS-DOS support for Borland C.
500: Fix arrow keys in MS-DOS versions.
501: v293 4/28/95 Add auto-versioning stuff to make dist.
502: v294 5/12/95 Fix Borland build.
503: v295 1/20/96 Fix search on squished file; add /@@.
504: v296 1/23/96 Allow cmdbuf larger than screen width.
505: v297 1/24/96 Don't call termcap if tgetent fails;
506: add #defines for buffers.
507: v298 1/24/96 Change @@ to ^K.
508: Add alternate search modifiers ^N, ^F, ^E.
509: v299 1/25/96 Fix percent overflow in jump_percent (thanks to Brent Wiese);
510: don't send "ti" after shell command till RETURN pressed.
511: v300 1/25/96 Change -U to print tabs as ^I.
512: v301 1/30/96 Make hilites work in cmd F output.
513: v302 1/31/96 Fix cmd F to notice window-change signals.
514: v303 1/31/96 Add ESC-SPACE command.
515: v304 2/1/96 Add ^R search modifier; add LESSSECURE.
516: v305 2/2/96 Workaround Linux /proc kernel bug; add LESSKEY.
517: v306 3/16/96 Minor fixes.
518: v307 3/25/96 Allow cmd line arg "--"; fix DOS & OS/2 defines.h.
519: v308 4/4/96 Port to OS-9 (thanks to Boisy Pitre); fix -d.
520: v309 4/9/96 Fix OS-9 version; fix tags bug with "$".
521: v310 4/10/96 Get rid of HELPFILE.
522: v311 4/22/96 Add Windows32 support; merge doscreen.c into screen.c.
523: v312 4/24/96 Don't quit after "cannot reopen" error.
524: v313 4/25/96 Added horizontal scrolling.
525: v314 4/26/96 Modified -e to quit on reaching end of a squished file.
526: v315 4/26/96 Fix "!;TAB" bug.
527: v316 5/2/96 Make "|a" when (a < curr screen) go to end of curr screen.
528: v317 5/14/96 Various fixes for the MS-DOS and OS/2 builds.
529: Added ## and %% handling for filenames
530: v318 5/29/96 Port to OS-9 Microware compiler; minor fixes
531: (thanks to Martin Gregorie).
532: v319 7/8/96 Fix Windows port (thanks to Jeff Paquette).
533: v320 7/11/96 Final fixes for Windows port.
534: v321 7/18/96 Minor fixes.
535: Posted to Web page.
536: -----------------------------------------------------------------
537: v322 8/13/96 Fix bug in shell escape from help file; add support for
538: Microsoft Visual C under Windows; numerous small fixes.
539: v323 8/19/96 Fixes for Windows version (thanks to Simon Munton);
540: fix for Linux library weirdness (thanks to Jim Diamond);
541: port to DJGPP (thanks to Eli Zaretskii).
542: v324 8/21/96 Add support for spaces in filenames (thanks to Simon Munton).
543: v325 8/21/96 Add lessecho, for spaces in filenames under Unix.
544: v326 8/27/96 Fix DJGPP version.
545: v327 9/1/96 Reorganize lglob, make spaces in filenames work better in Unix.
546: v328 10/7/96 Append / to directory name in filename completion.
547: Fix MS-DOS and OS-9 versions.
548: v329 10/11/96 Fix more MS-DOS bugs; add LESSSEPARATOR; add -" option.
549: Add LESSMETACHARS, LESSMETAESCAPE.
550: v330 10/21/96 Minor fixes.
551: Posted to Web page.
552: -----------------------------------------------------------------
553: v331 4/22/97 Various Windows fixes (thanks to Gurusamy Sarathy).
554: v332 4/22/97 Enter filenames from cmd line into edit history.
555: Posted to Web page.
556: -----------------------------------------------------------------
557: v333 3/4/99 Changed -w to highlite new line after forward movement.
558: v334 3/9/99 Avoid overflowing prompt buffer; add %d and %D.
559: v335 3/20/99 Add EBCDIC support (thanks to Thomas Dorner).
560: Use HOMEDRIVE/HOMEPATH on Windows (thanks to Preston Bannister).
561: Posted to Web page.
562: -----------------------------------------------------------------
563: v336 4/8/99 Fix installation bugs.
564: v337 4/9/99 Fix another installation bug.
565: Posted to Web page.
566: -----------------------------------------------------------------
567: v338 4/13/99 Add support for long option names.
568: v339 4/18/99 Add \k, long option names to lesskey. Add -^P. Add :d.
569: v340 4/21/99 Add regexec2. Fix Windows build.
570: Posted to Web page.
571: -----------------------------------------------------------------
572: v341 5/6/99 Add -F option; %c & ?c prompt escapes.
573: (Thanks to Michele Maltoni)
574: v342 7/22/99 Add system-wide lesskey file; allow GPL or Less License.
575: v343 9/23/99 Support UTF-8 (Thanks to Robert Brady).
576: Add %P and ?P in prompts.
577: v344 10/27/99 -w highlights target line of g and p commands.
578: v345 10/29/99 Make -R pass thru ESC but not other control chars.
579: Posted to Web page.
580: -----------------------------------------------------------------
581: v346 11/4/99 Fix bugs in long option processing; R cmd should clear hilites.
582: Posted to Web page.
583: -----------------------------------------------------------------
584: v347 12/13/99 Fixes for DJGPP version (thanks to Eli Zaretskii).
585: v348 12/28/99 Fix deleting file with marks (thanks to Dimitar Jekov).
586: Fix color problem in DJGPP version (thanks to Eli Zaretskii).
587: v349 1/24/00 Fix minor DJGPP bugs; check environment vars for UTF-8;
588: add --with-editor (thanks to Eli, Markus Kuhn, Thomas Schoepf).
589: v350 3/1/00 Fix clear-while-standout bug.
590: v351 3/5/00 Change -M and = prompts to show top & bottom line number.
591: Posted to Web page.
592: -----------------------------------------------------------------
593: v352 3/8/00 Fix scan_option NULL dereference.
594: -----------------------------------------------------------------
595: v353 3/20/00 Fix SECURE compile bug, allow space after numeric option.
596: v354 3/23/00 Add support for PCRE; add --with-regex configure option.
597: -----------------------------------------------------------------
598: v355 6/28/00 Add -# option (thanks to Andy Levinson).
599: v356 7/5/00 Add -J option.
600: v357 7/6/00 Support sigprocmask.
601: -----------------------------------------------------------------
602: v358 7/8/00 Fix problems with #stop in lesskey file.
603: Posted to Web page.
604: -----------------------------------------------------------------
605: v359 9/10/00 Fixes for Win32 display problems (thanks to Maurizio Vairani).
606: v360 1/17/01 Move sysless to etc.
607: v361 12/4/01 Add IBM-1047 charset & EBCDIC fixes (thanks to Thomas Dorner).
608: Fix 32 bit dependencies (thanks to Paul Eggert).
609: Fix UTF-8 overstriking (thanks to Robert Brady).
610: v362 12/4/01 Make status column show search targets.
611: v363 12/6/01 Add --no-keypad option.
612: Add variable width tabstops (thanks to Peter Samuelson).
613: v364 12/10/01 Better handling of very long lines in input;
614: Fix horizontal shifting of colored text.
615: v365 12/11/01 Fix overstriking of tabs;
616: Add support for global(1) and multiple tag matches
617: (thanks to Shigio Yamaguchi and Tim Vanderhoek).
618: v366 12/11/01 Fixes for OS/2 (thanks to Kyosuke Tokoro).
619: v367 12/13/01 Allow -D and -x options to terminate without dollar sign;
620: Right/left arrow when entering N are shift cmds, not line edit.
621: v368 12/18/01 Update lesskey commands.
622: v370 12/23/01 Fix tags error messages.
623: Posted to Web page.
624: -----------------------------------------------------------------
625: v371 12/26/01 Fix new_file bug; use popen in Windows version;
626: fix some compiler warnings.
627: v372 12/29/01 Make -b be in units of 1K.
628: v373 1/14/02 Improve handling of filenames containing shell metachars.
629: v374 2/7/02 Fix memory leak; fix bug in -x argument parsing.
630: v375 4/7/02 Fix searching for SGR sequences; fix SECURE build;
631: add SGR support to DJGPP version (thanks to Eli Zaretskii).
632: v376 6/10/02 Fix bug in overstriking mulitbyte UTF-8 characters
633: (thanks to Jungshik Shin).
634: Posted to Web page.
635: -----------------------------------------------------------------
636: v377 9/10/02 Fix bug in Windows version when file contains CR;
637: fix bug in search highlights with -R;
638: make initial buffer limit really be 64K not unlimited.
639: v378 9/30/02 Misc bug fixes and compiler warning cleanup.
640: Posted to Web page.
641: -----------------------------------------------------------------
642: v379 11/23/02 Add -L option; fix bug with ctrl-K in lesskey files;
643: improve UTF-8 overstriking and underscore overstriking;
644: fix minor man page problems; change to autoconf 2.54.
645: v380 11/24/02 Make LINENUM same as POSITION.
646: v381 11/28/02 Make -N use 7 columns for line number if possible.
1.5 ! mbalmer 647: -----------------------------------------------------------------
! 648: v382 2/3/04 Remove copyrighted code.
1.1 etheisen 649: */
650:
1.5 ! mbalmer 651: char version[] = "382";
![[BACK]](/icons/back.gif){kind=icon}
Return to version.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / less