version.c revision 1.2
1 /* $NetBSD: version.c,v 1.2 2011/07/03 19:51:26 tron Exp $ */ 2 3 /* 4 * Copyright (C) 1984-2011 Mark Nudelman 5 * 6 * You may distribute under the terms of either the GNU General Public 7 * License or the Less License, as specified in the README file. 8 * 9 * For more information about less, or for information on how to 10 * contact the author, see the README file. 11 */ 12 13 14 /* 15 ----------------------- CHANGE HISTORY -------------------------- 16 17 1/29/84 Allowed use on standard input 18 2/1/84 Added E, N, P commands 19 4/17/84 Added '=' command, 'stop' signal handling 20 4/20/84 Added line folding 21 v2 4/27/84 Fixed '=' command to use BOTTOM_PLUS_ONE, 22 instead of TOP, added 'p' & 'v' commands 23 v3 5/3/84 Added -m and -t options, '-' command 24 v4 5/3/84 Added LESS environment variable 25 v5 5/3/84 New comments, fixed '-' command slightly 26 v6 5/15/84 Added -Q, visual bell 27 v7 5/24/84 Fixed jump_back(n) bug: n should count real 28 lines, not folded lines. Also allow number on G command. 29 v8 5/30/84 Re-do -q and -Q commands 30 v9 9/25/84 Added "+<cmd>" argument 31 v10 10/10/84 Fixed bug in -b<n> argument processing 32 v11 10/18/84 Made error() ring bell if \n not entered. 33 ----------------------------------------------------------------- 34 v12 2/13/85 Reorganized signal handling and made portable to 4.2bsd. 35 v13 2/16/85 Reword error message for '-' command. 36 v14 2/22/85 Added -bf and -bp variants of -b. 37 v15 2/25/85 Miscellaneous changes. 38 v16 3/13/85 Added -u flag for backspace processing. 39 v17 4/13/85 Added j and k commands, changed -t default. 40 v18 4/20/85 Rewrote signal handling code. 41 v19 5/2/85 Got rid of "verbose" eq_message(). 42 Made search() scroll in some cases. 43 v20 5/21/85 Fixed screen.c ioctls for System V. 44 v21 5/23/85 Fixed some first_cmd bugs. 45 v22 5/24/85 Added support for no RECOMP nor REGCMP. 46 v23 5/25/85 Miscellanous changes and prettying up. 47 Posted to USENET. 48 ----------------------------------------------------------------- 49 v24 6/3/85 Added ti,te terminal init & de-init. 50 (Thanks to Mike Kersenbrock) 51 v25 6/8/85 Added -U flag, standout mode underlining. 52 v26 6/9/85 Added -M flag. 53 Use underline termcap (us) if it exists. 54 v27 6/15/85 Renamed some variables to make unique in 55 6 chars. Minor fix to -m. 56 v28 6/28/85 Fixed right margin bug. 57 v29 6/28/85 Incorporated M.Rose's changes to signal.c 58 v30 6/29/85 Fixed stupid bug in argument processing. 59 v31 7/15/85 Added -p flag, changed repaint algorithm. 60 Added kludge for magic cookie terminals. 61 v32 7/16/85 Added cat_file if output not a tty. 62 v33 7/23/85 Added -e flag and EDITOR. 63 v34 7/26/85 Added -s flag. 64 v35 7/27/85 Rewrote option handling; added option.c. 65 v36 7/29/85 Fixed -e flag to work if not last file. 66 v37 8/10/85 Added -x flag. 67 v38 8/19/85 Changed prompting; created prompt.c. 68 v39 8/24/85 (Not -p) does not initially clear screen. 69 v40 8/26/85 Added "skipping" indicator in forw(). 70 Posted to USENET. 71 ----------------------------------------------------------------- 72 v41 9/17/85 ONLY_RETURN, control char commands, 73 faster search, other minor fixes. 74 v42 9/25/85 Added ++ command line syntax; 75 ch_fsize for pipes. 76 v43 10/15/85 Added -h flag, changed prim.c algorithms. 77 v44 10/16/85 Made END print in all cases of eof; 78 ignore SIGTTOU after receiv ing SIGTSTP. 79 v45 10/16/85 Never print backspaces unless -u. 80 v46 10/24/85 Backwards scroll in jump_loc. 81 v47 10/30/85 Fixed bug in edit(): *first_cmd==0 82 v48 11/16/85 Use TIOCSETN instead of TIOCSETP. 83 Added marks (m and ' commands). 84 Posted to USENET. 85 ----------------------------------------------------------------- 86 v49 1/9/86 Fixed bug: signal didn't clear mcc. 87 v50 1/15/86 Added ' (quote) to gomark. 88 v51 1/16/86 Added + cmd, fixed problem if first_cmd 89 fails, made g cmd sort of "work" on pipes 90 ev en if bof is no longer buffered. 91 v52 1/17/86 Made short files work better. 92 v53 1/20/86 Added -P option. 93 v54 1/20/86 Changed help to use HELPFILE. 94 v55 1/23/86 Messages work better if not tty output. 95 v56 1/24/86 Added -l option. 96 v57 1/31/86 Fixed -l to get confirmation before 97 ov erwriting an existing file. 98 v58 8/28/86 Added filename globbing. 99 v59 9/15/86 Fixed some bugs with very long filenames. 100 v60 9/26/86 Incorporated changes from Leith (Casey) 101 Leedom for boldface and -z option. 102 v61 9/26/86 Got rid of annoying repaints after ! cmd. 103 Posted to USENET. 104 ----------------------------------------------------------------- 105 v62 12/23/86 Added is_directory(); change -z default to 106 -1 instead of 24; cat-and-exit if -e and 107 file is less than a screenful. 108 v63 1/8/87 Fixed bug in cat-and-exit if > 1 file. 109 v64 1/12/87 Changed puts/putstr, putc/putchr, 110 getc/getchr to av oid name conflict with 111 stdio functions. 112 v65 1/26/87 Allowed '-' command to change NUMBER 113 v alued options (thanks to Gary Puckering) 114 v66 2/13/87 Fixed bug: prepaint should use force=1. 115 v67 2/24/87 Added !! and % expansion to ! command. 116 v68 2/25/87 Added SIGWINCH and TIOCGWINSZ support; 117 changed is_directory to bad_file. 118 (thanks to J. Robert Ward) 119 v69 2/25/87 Added SIGWIND and WIOCGETD (for Unix PC). 120 v70 3/13/87 Changed help cmd from 'h' to 'H'; better 121 error msgs in bad_file, errno_message. 122 v71 5/11/87 Changed -p to -c, made triple -c/-C 123 for clear-eol like more's -c. 124 v72 6/26/87 Added -E, -L, use $SHELL in lsystem(). 125 (thanks to Stev e Spearman) 126 v73 6/26/87 Allow Examine "#" for previous file. 127 Posted to USENET 8/25/87. 128 ----------------------------------------------------------------- 129 v74 9/18/87 Fix conflict in EOF symbol with stdio.h, 130 Make os.c more portable to BSD. 131 v75 9/23/87 Fix problems in get_term (thanks to 132 Paul Eggert); new backwards scrolling in 133 jump_loc (thanks to Marion Hakanson). 134 v76 9/23/87 Added -i flag; allow single "!" to 135 inv oke a shell (thanks to Franco Barber). 136 v77 9/24/87 Added -n flag and line number support. 137 v78 9/25/87 Fixed problem with prompts longer than 138 the screen width. 139 v79 9/29/87 Added the _ command. 140 v80 10/6/87 Allow signal to break out of linenum scan. 141 v81 10/6/87 Allow -b to be changed from within less. 142 v82 10/7/87 Add cmd_decode to use a table for key 143 binding (thanks to Dav id Nason). 144 v83 10/9/87 Allow .less file for user-defined keys. 145 v84 10/11/87 Fix -e/-E problems (thanks to Felix Lee). 146 v85 10/15/87 Search now keeps track of line numbers. 147 v86 10/20/87 Added -B option and autobuf; fixed 148 "pipe error" bug. 149 v87 3/1/88 Fix bug re BSD signals while reading file. 150 v88 3/12/88 Use new format for -P option (thanks to 151 der Mouse), allow "+-c" without message, 152 fix bug re BSD hangup. 153 v89 3/18/88 Turn off line numbers if linenum scan 154 is interrupted. 155 v90 3/30/88 Allow -P from within less. 156 v91 3/30/88 Added tags file support (new -t option) 157 (thanks to Brian Campbell). 158 v92 4/4/88 Added -+option syntax. 159 v93 4/11/88 Add support for slow input (thanks to 160 Joe Orost & apologies for taking almost 161 3 years to get this in!) 162 v94 4/11/88 Redo reading/signal stuff. 163 v95 4/20/88 Repaint screen better after signal. 164 v96 4/21/88 Add /! and ?! commands. 165 v97 5/17/88 Allow -l/-L from within less. 166 Eliminate some static arrays (use calloc). 167 Posted to USENET. 168 ----------------------------------------------------------------- 169 v98 10/14/88 Fix incorrect calloc call; uninitialized 170 var in exec_mca; core dump on unknown TERM. 171 Make v cmd work if past last line of file. 172 Fix some signal bugs. 173 v99 10/29/88 Allow space between -X and string, 174 when X is a string-valued option. 175 v100 1/5/89 Fix globbing bug when $SHELL not set; 176 allow spaces after -t command. 177 v101 1/6/89 Fix problem with long (truncated) lines 178 in tags file (thanks to Neil Dixon). 179 v102 1/6/89 Fix bug with E# when no prev file; 180 allow spaces after -l command. 181 v103 3/14/89 Add -N, -f and -? options. Add z and w 182 commands. Add %L for prompt strings. 183 v104 3/16/89 Added EDITPROTO. 184 v105 3/20/89 Fix bug in find_linenum which cached 185 incorrectly on long lines. 186 v106 3/31/89 Added -k option and multiple lesskey 187 files. 188 v107 4/27/89 Add 8-bit char support and -g option. 189 Split option code into 3 files. 190 v108 5/5/89 Allocate position table dynamically 191 (thanks to Paul Eggert); change % command 192 from "percent" to vi-style brace finder. 193 v109 5/10/89 Added ESC-% command, split prim.c. 194 v110 5/24/89 Fixed bug in + option; fixed repaint bug 195 under Sun windows (thanks to Paul Eggert). 196 v111 5/25/89 Generalized # and % expansion; use 197 calloc for some error messages. 198 v112 5/30/89 Get rid of ESC-%, add {}()[] commands. 199 v113 5/31/89 Optimize lseeks (thanks to Paul Eggert). 200 v114 7/25/89 Added ESC-/ and ESC-/! commands. 201 v115 7/26/89 Added ESC-n command. 202 v116 7/31/89 Added find_pos to optimize g command. 203 v117 8/1/89 Change -f option to -r. 204 v118 8/2/89 Save positions for all previous files, 205 not just the immediately previous one. 206 v119 8/7/89 Save marks across file boundaries. 207 Add file handle stuff. 208 v120 8/11/89 Add :ta command. 209 v121 8/16/89 Add -f option. 210 v122 8/30/89 Fix performance with many buffers. 211 v123 8/31/89 Verbose prompts for string options. 212 Posted beta to USENET. 213 ----------------------------------------------------------------- 214 v124 9/18/89 Reorganize search commands, 215 N = rev, ESC-n = span, add ESC-N. 216 v125 9/18/89 Fix tab bug (thanks to Alex Liu). 217 Fix EOF bug when both -w and -c. 218 v126 10/25/89 Add -j option. 219 v127 10/27/89 Fix problems with blank lines before BOF. 220 v128 10/27/89 Add %bj, etc. to prompt strings. 221 v129 11/3/89 Add -+,-- commands; add set-option and 222 unset-option to lesskey. 223 v130 11/6/89 Generalize A_EXTRA to string, remove 224 set-option, unset-option from lesskey. 225 v131 11/7/89 Changed name of EDITPROTO to LESSEDIT. 226 v132 11/8/89 Allow editing of command prefix. 227 v133 11/16/89 Add -y option (thanks to Jeff Sullivan). 228 v134 12/1/89 Glob filenames in the -l command. 229 v135 12/5/89 Combined {}()[] commands into one, and 230 added ESC-^F and ESC-^B commands. 231 v136 1/20/90 Added -S, -R flags. Added | command. 232 Added warning for binary files. (thanks 233 to Richard Brittain and J. Sullivan). 234 v137 1/21/90 Rewrote horrible pappend code. 235 Added * notation for hi-bit chars. 236 v138 1/24/90 Fix magic cookie terminal handling. 237 Get rid of "cleanup" loop in ch_get. 238 v139 1/27/90 Added MSDOS support. (many thanks 239 to Richard Brittain). 240 v140 2/7/90 Editing a new file adds it to the 241 command line list. 242 v141 2/8/90 Add edit_list for editing >1 file. 243 v142 2/10/90 Add :x command. 244 v143 2/11/90 Add * and @ modifies to search cmds. 245 Change ESC-/ cmd from /@* to / *. 246 v144 3/1/90 Messed around with ch_zero; 247 no real change. 248 v145 3/2/90 Added -R and -v/-V for MSDOS; 249 renamed FILENAME to avoid conflict. 250 v146 3/5/90 Pull cmdbuf functions out of command.c 251 v147 3/7/90 Implement ?@; fix multi-file edit bugs. 252 v148 3/29/90 Fixed bug in :e<file> then :e#. 253 v149 4/3/90 Change error,ierror,query to use PARG. 254 v150 4/6/90 Add LESS_CHARSET, LESS_CHARDEF. 255 v151 4/13/90 Remove -g option; clean up ispipe. 256 v152 4/14/90 lsystem() closes input file, for 257 editors which require exclusive open. 258 v153 4/18/90 Fix bug if SHELL unset; 259 fix bug in overstrike control char. 260 v154 4/25/90 Output to fd 2 via buffer. 261 v155 4/30/90 Ignore -i if uppercase in pattern 262 (thanks to Michael Rendell.) 263 v156 5/3/90 Remove scroll limits in forw() & back(); 264 causes problems with -c. 265 v157 5/4/90 Forward search starts at next real line 266 (not screen line) after jump target. 267 v158 6/14/90 Added F command. 268 v159 7/29/90 Fix bug in exiting: output not flushed. 269 v160 7/29/90 Clear screen before initial output w/ -c. 270 v161 7/29/90 Add -T flag. 271 v162 8/14/90 Fix bug with +F on command line. 272 v163 8/21/90 Added LESSBINFMT variable. 273 v164 9/5/90 Added -p, LINES, COLUMNS and 274 unset mark ' == BOF, for 1003.2 D5. 275 v165 9/6/90 At EOF with -c set, don't display empty 276 screen when try to page forward. 277 v166 9/6/90 Fix G when final line in file wraps. 278 v167 9/11/90 Translate CR/LF -> LF for 1003.2. 279 v168 9/13/90 Return to curr file if "tag not found". 280 v169 12/12/90 G goes to EOF even if file has grown. 281 v170 1/17/91 Add optimization for BSD _setjmp; 282 fix #include ioctl.h TERMIO problem. 283 (thanks to Paul Eggert) 284 Posted to USENET. 285 ----------------------------------------------------------------- 286 v171 3/6/91 Fix -? bug in get_filename. 287 v172 3/15/91 Fix G bug in empty file. 288 Fix bug with ?\n and -i and uppercase 289 pattern at EOF! 290 (thanks to Paul Eggert) 291 v173 3/17/91 Change N cmd to not permanently change 292 direction. (thanks to Brian Matthews) 293 v174 3/18/91 Fix bug with namelogfile not getting 294 cleared when change files. 295 v175 3/18/91 Fix bug with ++cmd on command line. 296 (thanks to Jim Meyering) 297 v176 4/2/91 Change | to not force current screen, 298 include marked line, start/end from 299 top of screen. Improve search speed. 300 (thanks to Don Mears) 301 v177 4/2/91 Add LESSHELP variable. 302 Fix bug with F command with -e. 303 Try /dev/tty for input before using fd 2. 304 Patches posted to USENET 4/2/91. 305 ----------------------------------------------------------------- 306 v178 4/8/91 Fixed bug in globbing logfile name. 307 (thanks to Jim Meyering) 308 v179 4/9/91 Allow negative -z for screen-relative. 309 v180 4/9/91 Clear to eos rather than eol if "db"; 310 don't use "sr" if "da". 311 (thanks to Tor Lillqvist) 312 v181 4/18/91 Fixed bug with "negative" chars 80 - FF. 313 (thanks to Benny Sander Hofmann) 314 v182 5/16/91 Fixed bug with attribute at EOL. 315 (thanks to Brian Matthews) 316 v183 6/1/91 Rewrite linstall to do smart config. 317 v184 7/11/91 Process \b in searches based on -u 318 rather than -i. 319 v185 7/11/91 -Pxxx sets short prompt; assume SIGWINCH 320 after a SIGSTOP. (thanks to Ken Laprade) 321 ----------------------------------------------------------------- 322 v186 4/20/92 Port to MS-DOS (Microsoft C). 323 v187 4/23/92 Added -D option & TAB_COMPLETE_FILENAME. 324 v188 4/28/92 Added command line editing features. 325 v189 12/8/92 Fix mem overrun in anscreen.c:init; 326 fix edit_list to recover from bin file. 327 v190 2/13/93 Make TAB enter one filename at a time; 328 create ^L with old TAB functionality. 329 v191 3/10/93 Defer creating "flash" page for MS-DOS. 330 v192 9/6/93 Add BACK-TAB. 331 v193 9/17/93 Simplify binary_file handling. 332 v194 1/4/94 Add rudiments of alt_filename handling. 333 v195 1/11/94 Port back to Unix; support keypad. 334 ----------------------------------------------------------------- 335 v196 6/7/94 Fix bug with bad filename; fix IFILE 336 type problem. (thanks to David MacKenzie) 337 v197 6/7/94 Fix bug with .less tables inserted wrong. 338 v198 6/23/94 Use autoconf installation technology. 339 (thanks to David MacKenzie) 340 v199 6/29/94 Fix MS-DOS build (thanks to Tim Wiegman). 341 v200 7/25/94 Clean up copyright, minor fixes. 342 Posted to prep.ai.mit.edu 343 ----------------------------------------------------------------- 344 v201 7/27/94 Check for no memcpy; add casts to calloc; 345 look for regcmp in libgen.a. 346 (thanks to Kaveh Ghazi). 347 v202 7/28/94 Fix bug in edit_next/edit_prev with 348 non-existant files. 349 v203 8/2/94 Fix a variety of configuration bugs on 350 various systems. (thanks to Sakai 351 Kiyotaka, Harald Koenig, Bjorn Brox, 352 Teemu Rantanen, and Thorsten Lockert) 353 v204 8/3/94 Use strerror if available. 354 (thanks to J.T. Conklin) 355 v205 8/5/94 Fix bug in finding "me" termcap entry. 356 (thanks to Andreas Stolcke) 357 8/10/94 v205+: Change BUFSIZ to LBUFSIZE to avoid name 358 conflict with stdio.h. 359 Posted to prep.ai.mit.edu 360 ----------------------------------------------------------------- 361 v206 8/10/94 Use initial_scrpos for -t to avoid 362 displaying first page before init(). 363 (thanks to Dominique Petitpierre) 364 v207 8/12/94 Fix bug if stdout is not tty. 365 v208 8/16/94 Fix bug in close_altfile if goto err1 366 in edit_ifile. (Thanks to M.J. Hewitt) 367 v209 8/16/94 Change scroll to wscroll to avoid 368 conflict with library function. 369 v210 8/16/94 Fix bug with bold on 8 bit chars. 370 (thanks to Vitor Duarte) 371 v211 8/16/94 Don't quit on EOI in jump_loc / forw. 372 v212 8/18/94 Use time_t if available. 373 v213 8/20/94 Allow ospeed to be defined in termcap.h. 374 v214 8/20/94 Added HILITE_SEARCH, -F, ESC-u cmd. 375 (thanks to Paul Lew and Bob Byrnes) 376 v215 8/23/94 Fix -i toggle behavior. 377 v216 8/23/94 Process BS in all searches, not only -u. 378 v217 8/24/94 Added -X flag. 379 v218 8/24/94 Reimplement undo_search. 380 v219 8/24/94 Find tags marked with line number 381 instead of pattern. 382 v220 8/24/94 Stay at same position after SIG_WINCH. 383 v221 8/24/94 Fix bug in file percentage in big file. 384 v222 8/25/94 Do better if can't reopen current file. 385 v223 8/27/94 Support setlocale. 386 (thanks to Robert Joop) 387 v224 8/29/94 Revert v216: process BS in search 388 only if -u. 389 v225 9/6/94 Rewrite undo_search again: toggle. 390 v226 9/15/94 Configuration fixes. 391 (thanks to David MacKenzie) 392 v227 9/19/94 Fixed strerror config problem. 393 Posted to prep.ai.mit.edu 394 ----------------------------------------------------------------- 395 v228 9/21/94 Fix bug in signals: repeated calls to 396 get_editkeys overflowed st_edittable. 397 v229 9/21/94 Fix "Nothing to search" error if -a 398 and SRCH_PAST_EOF. 399 v230 9/21/94 Don't print extra error msg in search 400 after regerror(). 401 v231 9/22/94 Fix hilite bug if search matches 0 chars. 402 (thanks to John Polstra) 403 v232 9/23/94 Deal with weird systems that have 404 termios.h but not tcgetattr(). 405 Posted to prep.ai.mit.edu 406 ----------------------------------------------------------------- 407 v233 9/26/94 Use get_term() instead of pos_init() in 408 psignals to re-get lower_left termcap. 409 (Thanks to John Malecki) 410 v234 9/26/94 Make MIDDLE closer to middle of screen. 411 v235 9/27/94 Use local strchr if system doesn't have. 412 v236 9/28/94 Don't use libucb; use libterm if 413 libtermcap & libcurses doesn't work. 414 (Fix for Solaris; thanks to Frank Kaefer) 415 v237 9/30/94 Use system isupper() etc if provided. 416 Posted to prep.ai.mit.edu 417 ----------------------------------------------------------------- 418 v238 10/6/94 Make binary non-blinking if LESSBINFMT 419 is set to a string without a *. 420 v239 10/7/94 Don't let delimit_word run back past 421 beginning of cmdbuf. 422 v240 10/10/94 Don't write into termcap buffer. 423 (Thanks to Benoit Speckel) 424 v241 10/13/94 New lesskey file format. 425 Don't expand filenames in search command. 426 v242 10/14/94 Allow lesskey specification of "literal". 427 v243 10/14/94 Add #stop command to lesskey. 428 v244 10/16/94 Add -f flag to lesskey. 429 v245 10/25/94 Allow TAB_COMPLETE_FILENAME to be undefd. 430 v246 10/27/94 Move help file to /usr/local/share. 431 v247 10/27/94 Add -V option. 432 v248 11/5/94 Add -V option to lesskey. 433 v249 11/5/94 Remove -f flag from lesskey; default 434 input file is ~/.lesskey.in, not stdin. 435 v250 11/7/94 Lesskey input file "-" means stdin. 436 v251 11/9/94 Convert cfgetospeed result to ospeed. 437 (Thanks to Andrew Chernov) 438 v252 11/16/94 Change default lesskey input file from 439 .lesskey.in to .lesskey. 440 Posted to prep.ai.mit.edu 441 ----------------------------------------------------------------- 442 v253 11/21/94 Fix bug when tags file has a backslash. 443 v254 12/6/94 Fix -k option. 444 v255 12/8/94 Add #define EXAMINE to disable :e etc. 445 v256 12/10/94 Change highlighting: only highlite search 446 results (but now it is reliable). 447 v257 12/10/94 Add goto_line and repaint_highlight 448 to optimize highlight repaints. 449 v258 12/12/94 Fixup in hilite_line if BS_SPECIAL. 450 v259 12/12/94 Convert to autoconf 2.0. 451 v260 12/13/94 Add SECURE define. 452 v261 12/14/94 Use system WERASE char as EC_W_BACKSPACE. 453 v262 12/16/94 Add -g/-G flag and screen_hilite. 454 v263 12/20/94 Reimplement/optimize -G flag behavior. 455 v264 12/23/94 Allow EXTRA string after line-edit cmd 456 in lesskey file. 457 v265 12/24/94 Add LESSOPEN=|cmd syntax. 458 v266 12/26/94 Add -I flag. 459 v267 12/28/94 Formalize the four-byte header emitted 460 by a LESSOPEN pipe. 461 v268 12/28/94 Get rid of four-byte header. 462 v269 1/2/95 Close alt file before open new one. 463 Avoids multiple popen(). 464 v270 1/3/95 Use VISUAL; use S_ISDIR/S_ISREG; fix 465 config problem with Solaris POSIX regcomp. 466 v271 1/4/95 Don't quit on read error. 467 v272 1/5/95 Get rid of -L. 468 v273 1/6/95 Fix ch_ungetchar bug; don't call 469 LESSOPEN on a pipe. 470 v274 1/6/95 Ported to OS/2 (thanks to Kai Uwe Rommel) 471 v275 1/18/95 Fix bug if toggle -G at EOF. 472 v276 1/30/95 Fix OS/2 version. 473 v277 1/31/95 Add "next" charset; don't display ^X 474 for X > 128. 475 v278 2/14/95 Change default for -G. 476 Posted to prep.ai.mit.edu 477 ----------------------------------------------------------------- 478 v279 2/22/95 Add GNU options --help, --version. 479 Minor config fixes. 480 v280 2/24/95 Clean up calls to glob(); don't set # 481 if we can't open the new file. 482 v281 2/24/95 Repeat search should turn on hilites. 483 v282 3/2/95 Minor fixes. 484 v283 3/2/95 Fix homefile; make OS2 look in $HOME. 485 v284 3/2/95 Error if "v" on LESSOPENed file; 486 "%" figures out file size on pipe. 487 v285 3/7/95 Don't set # in lsystem; 488 lesskey try $HOME first. 489 v286 3/7/95 Reformat change history (too much free time?). 490 v287 3/8/95 Fix hilite bug if overstrike multiple chars. 491 v288 3/8/95 Allow lesskey to override get_editkey keys. 492 v289 3/9/95 Fix adj_hilite bug when line gets processed by 493 hilite_line more than once. 494 v290 3/9/95 Make configure automatically. Fix Sequent problem 495 with incompatible sigsetmask(). 496 Posted to prep.ai.mit.edu 497 ----------------------------------------------------------------- 498 v291 3/21/95 Add #env to lesskey. Fix MS-DOS build. 499 Posted to simtel. 500 ----------------------------------------------------------------- 501 v292 4/24/95 Add MS-DOS support for Borland C. 502 Fix arrow keys in MS-DOS versions. 503 v293 4/28/95 Add auto-versioning stuff to make dist. 504 v294 5/12/95 Fix Borland build. 505 v295 1/20/96 Fix search on squished file; add /@@. 506 v296 1/23/96 Allow cmdbuf larger than screen width. 507 v297 1/24/96 Don't call termcap if tgetent fails; 508 add #defines for buffers. 509 v298 1/24/96 Change @@ to ^K. 510 Add alternate search modifiers ^N, ^F, ^E. 511 v299 1/25/96 Fix percent overflow in jump_percent (thanks to Brent Wiese); 512 don't send "ti" after shell command till RETURN pressed. 513 v300 1/25/96 Change -U to print tabs as ^I. 514 v301 1/30/96 Make hilites work in cmd F output. 515 v302 1/31/96 Fix cmd F to notice window-change signals. 516 v303 1/31/96 Add ESC-SPACE command. 517 v304 2/1/96 Add ^R search modifier; add LESSSECURE. 518 v305 2/2/96 Workaround Linux /proc kernel bug; add LESSKEY. 519 v306 3/16/96 Minor fixes. 520 v307 3/25/96 Allow cmd line arg "--"; fix DOS & OS/2 defines.h. 521 v308 4/4/96 Port to OS-9 (thanks to Boisy Pitre); fix -d. 522 v309 4/9/96 Fix OS-9 version; fix tags bug with "$". 523 v310 4/10/96 Get rid of HELPFILE. 524 v311 4/22/96 Add Windows32 support; merge doscreen.c into screen.c. 525 v312 4/24/96 Don't quit after "cannot reopen" error. 526 v313 4/25/96 Added horizontal scrolling. 527 v314 4/26/96 Modified -e to quit on reaching end of a squished file. 528 v315 4/26/96 Fix "!;TAB" bug. 529 v316 5/2/96 Make "|a" when (a < curr screen) go to end of curr screen. 530 v317 5/14/96 Various fixes for the MS-DOS and OS/2 builds. 531 Added ## and %% handling for filenames 532 v318 5/29/96 Port to OS-9 Microware compiler; minor fixes 533 (thanks to Martin Gregorie). 534 v319 7/8/96 Fix Windows port (thanks to Jeff Paquette). 535 v320 7/11/96 Final fixes for Windows port. 536 v321 7/18/96 Minor fixes. 537 Posted to Web page. 538 ----------------------------------------------------------------- 539 v322 8/13/96 Fix bug in shell escape from help file; add support for 540 Microsoft Visual C under Windows; numerous small fixes. 541 v323 8/19/96 Fixes for Windows version (thanks to Simon Munton); 542 fix for Linux library weirdness (thanks to Jim Diamond); 543 port to DJGPP (thanks to Eli Zaretskii). 544 v324 8/21/96 Add support for spaces in filenames (thanks to Simon Munton). 545 v325 8/21/96 Add lessecho, for spaces in filenames under Unix. 546 v326 8/27/96 Fix DJGPP version. 547 v327 9/1/96 Reorganize lglob, make spaces in filenames work better in Unix. 548 v328 10/7/96 Append / to directory name in filename completion. 549 Fix MS-DOS and OS-9 versions. 550 v329 10/11/96 Fix more MS-DOS bugs; add LESSSEPARATOR; add -" option. 551 Add LESSMETACHARS, LESSMETAESCAPE. 552 v330 10/21/96 Minor fixes. 553 Posted to Web page. 554 ----------------------------------------------------------------- 555 v331 4/22/97 Various Windows fixes (thanks to Gurusamy Sarathy). 556 v332 4/22/97 Enter filenames from cmd line into edit history. 557 Posted to Web page. 558 ----------------------------------------------------------------- 559 v333 3/4/99 Changed -w to highlite new line after forward movement. 560 v334 3/9/99 Avoid overflowing prompt buffer; add %d and %D. 561 v335 3/20/99 Add EBCDIC support (thanks to Thomas Dorner). 562 Use HOMEDRIVE/HOMEPATH on Windows (thanks to Preston Bannister). 563 Posted to Web page. 564 ----------------------------------------------------------------- 565 v336 4/8/99 Fix installation bugs. 566 v337 4/9/99 Fix another installation bug. 567 Posted to Web page. 568 ----------------------------------------------------------------- 569 v338 4/13/99 Add support for long option names. 570 v339 4/18/99 Add \k, long option names to lesskey. Add -^P. Add :d. 571 v340 4/21/99 Add regexec2. Fix Windows build. 572 Posted to Web page. 573 ----------------------------------------------------------------- 574 v341 5/6/99 Add -F option; %c & ?c prompt escapes. 575 (Thanks to Michele Maltoni) 576 v342 7/22/99 Add system-wide lesskey file; allow GPL or Less License. 577 v343 9/23/99 Support UTF-8 (Thanks to Robert Brady). 578 Add %P and ?P in prompts. 579 v344 10/27/99 -w highlights target line of g and p commands. 580 v345 10/29/99 Make -R pass thru ESC but not other control chars. 581 Posted to Web page. 582 ----------------------------------------------------------------- 583 v346 11/4/99 Fix bugs in long option processing; R cmd should clear hilites. 584 Posted to Web page. 585 ----------------------------------------------------------------- 586 v347 12/13/99 Fixes for DJGPP version (thanks to Eli Zaretskii). 587 v348 12/28/99 Fix deleting file with marks (thanks to Dimitar Jekov). 588 Fix color problem in DJGPP version (thanks to Eli Zaretskii). 589 v349 1/24/00 Fix minor DJGPP bugs; check environment vars for UTF-8; 590 add --with-editor (thanks to Eli, Markus Kuhn, Thomas Schoepf). 591 v350 3/1/00 Fix clear-while-standout bug. 592 v351 3/5/00 Change -M and = prompts to show top & bottom line number. 593 Posted to Web page. 594 ----------------------------------------------------------------- 595 v352 3/8/00 Fix scan_option NULL dereference. 596 ----------------------------------------------------------------- 597 v353 3/20/00 Fix SECURE compile bug, allow space after numeric option. 598 v354 3/23/00 Add support for PCRE; add --with-regex configure option. 599 ----------------------------------------------------------------- 600 v355 6/28/00 Add -# option (thanks to Andy Levinson). 601 v356 7/5/00 Add -J option. 602 v357 7/6/00 Support sigprocmask. 603 ----------------------------------------------------------------- 604 v358 7/8/00 Fix problems with #stop in lesskey file. 605 Posted to Web page. 606 ----------------------------------------------------------------- 607 v359 9/10/00 Fixes for Win32 display problems (thanks to Maurizio Vairani). 608 v360 1/17/01 Move sysless to etc. 609 v361 12/4/01 Add IBM-1047 charset & EBCDIC fixes (thanks to Thomas Dorner). 610 Fix 32 bit dependencies (thanks to Paul Eggert). 611 Fix UTF-8 overstriking (thanks to Robert Brady). 612 v362 12/4/01 Make status column show search targets. 613 v363 12/6/01 Add --no-keypad option. 614 Add variable width tabstops (thanks to Peter Samuelson). 615 v364 12/10/01 Better handling of very long lines in input; 616 Fix horizontal shifting of colored text. 617 v365 12/11/01 Fix overstriking of tabs; 618 Add support for global(1) and multiple tag matches 619 (thanks to Shigio Yamaguchi and Tim Vanderhoek). 620 v366 12/11/01 Fixes for OS/2 (thanks to Kyosuke Tokoro). 621 v367 12/13/01 Allow -D and -x options to terminate without dollar sign; 622 Right/left arrow when entering N are shift cmds, not line edit. 623 v368 12/18/01 Update lesskey commands. 624 v370 12/23/01 Fix tags error messages. 625 Posted to Web page. 626 ----------------------------------------------------------------- 627 v371 12/26/01 Fix new_file bug; use popen in Windows version; 628 fix some compiler warnings. 629 v372 12/29/01 Make -b be in units of 1K. 630 v373 1/14/02 Improve handling of filenames containing shell metachars. 631 v374 2/7/02 Fix memory leak; fix bug in -x argument parsing. 632 v375 4/7/02 Fix searching for SGR sequences; fix SECURE build; 633 add SGR support to DJGPP version (thanks to Eli Zaretskii). 634 v376 6/10/02 Fix bug in overstriking mulitbyte UTF-8 characters 635 (thanks to Jungshik Shin). 636 Posted to Web page. 637 ----------------------------------------------------------------- 638 v377 9/10/02 Fix bug in Windows version when file contains CR; 639 fix bug in search highlights with -R; 640 make initial buffer limit really be 64K not unlimited. 641 v378 9/30/02 Misc bug fixes and compiler warning cleanup. 642 Posted to Web page. 643 ----------------------------------------------------------------- 644 v379 11/23/02 Add -L option; fix bug with ctrl-K in lesskey files; 645 improve UTF-8 overstriking and underscore overstriking; 646 fix minor man page problems; change to autoconf 2.54. 647 v380 11/24/02 Make LINENUM same as POSITION. 648 v381 11/28/02 Make -N use 7 columns for line number if possible. 649 ----------------------------------------------------------------- 650 v382 2/3/04 Remove copyrighted code. 651 ----------------------------------------------------------------- 652 v383 2/16/04 Add history file; add -K option; improve UTF-8 handling; 653 fix some signed char bugs (thanks to Christian Biere); 654 fix some upper/lower case bugs (thanks to Bjoern Jacke); 655 add erase2 char (thanks to David Lawrence); 656 add windows charset (thanks to Dimitar Zhekov). 657 v384 2/20/04 Improvements in UTF-8 handling. 658 v385 2/23/04 Fix UTF-8 output bug. 659 ----------------------------------------------------------------- 660 v386 9/13/05 Improvements to UTF-8 shift & color (thanks to Charles Levert); 661 protect against invalid LESSOPEN and LESSCLOSE values. 662 v387 9/14/05 Update Charles Levert's UTF-8 patch. 663 v388 9/14/05 Change history behavior; change most sprintf calls to snprintf. 664 v389 9/14/05 Fix copy & paste with long lines; improve performance of 665 expand_linebuf; fix crash in init_mlist; 666 v390 9/15/05 Show search matches in status column even if -G is set. 667 ----------------------------------------------------------------- 668 v391 9/17/05 Fix bugs. 669 v392 10/14/05 Fix line wrapping bug. 670 v393 10/19/05 Allow multiple attributes per char; fix bold+underline bug 671 (thanks again to Charles Levert). 672 v394 11/8/05 Fix prompt bug; fix compile problem in Windows build. 673 ----------------------------------------------------------------- 674 v395 1/12/07 Update Unicode tables (thanks to Charles Levert); 675 don't chmod if LESSHISTFILE = /dev/null; 676 make -f work for directories; support DESTDIR in Makefile; 677 fix sigset_t detection in configure; 678 make "t" cmd traverse tags in correct order 679 v396 1/13/07 Add compatibility with POSIX more. 680 v397 3/21/07 Allow decimal point in number for % command; 681 Allow decimal point in number for -j option; 682 Allow n command to fetch last search pattern from history 683 (thanks to arno). 684 v398 3/22/07 Don't rewrite history file if not necessary; 685 fix bug when filenames contain "$". 686 v399 3/22/07 Don't move to bottom of screen at startup; 687 don't output extraneous newlines. 688 v400 3/23/07 Allow search to find pattern after null byte (PCRE and no-regex) 689 (thanks to Michael Constant). 690 ----------------------------------------------------------------- 691 v401 3/24/07 Minor documentation fixes. 692 v402 3/30/07 Fix autoconf bug when memcpy etc are inline; 693 fix bug in terminating number following -j option. 694 v403 5/25/07 Fix Windows build. 695 v404 6/5/07 Fix display bug with F command and long lines. 696 v405 6/17/07 Fix display bug when using -w option. 697 v406 6/17/07 Fix secure build. 698 v407 8/16/07 Fix bugs; support CSI chars. 699 v408 10/1/07 Fix bug in -i with non-ASCII chars. 700 v409 10/12/07 Fix crash when viewing text with invalid UTF-8 sequences. 701 v411 11/6/07 Fix case-insensitive searching with non-ASCII text. 702 v412 11/6/07 Use symbolic SEEK constants. 703 v413 11/6/07 Fix search highlight bug with non-ASCII text. 704 v414 11/6/07 Fix display bug with no-wrap terminals. 705 v415 11/14/07 Add --follow-name option. 706 v416 11/22/07 Fix crash when searching text with invalid UTF-8 sequences. 707 v417 12/31/07 Don't support single-char CSI in UTF-8 mode; 708 fix bug with -R and invalid CSI sequences; 709 fix bug searching text with SGR sequences with -r; 710 emulate SGR sequences in WIN32 build. 711 v418 12/31/07 Clean up. 712 ----------------------------------------------------------------- 713 v419 1/16/08 Make CSI char 0x9B work in UTF-8 mode (thanks to Colin Watson). 714 v420 2/24/08 Add & command; fix -F option; fix '' after G. 715 v421 2/24/08 Ignore filtered lines when searching. 716 v422 3/2/08 Output CR at startup. 717 v423 5/27/08 Clean up. 718 v424 6/16/08 Fix compile bug with pcre; don't filter help file. 719 v425 7/14/08 Fix non-ANSI code in list handling in ch.c. 720 v426 10/27/08 Fix ignaw terminal handling (thanks to Per Hedeland); 721 fix binary file detection in UTF-8 mode. 722 v427 3/16/09 A few Win32 fixes (thanks to Jason Hood). 723 v428 3/30/09 Add "|-" syntax to LESSOPEN. 724 v429 4/10/09 Fix search highlighting bug with underlined text. 725 ----------------------------------------------------------------- 726 v430 4/22/09 Don't pass "-" to non-pipe LESSOPEN unless it starts with "-". 727 v431 4/29/09 Fix highlight bug when match is at end of line. 728 v432 6/27/09 Better fix for highlight bugs; 729 fix new problems with ignaw terminals. 730 v433 6/28/09 Cleanup search code. 731 v434 6/29/09 More cleanup. 732 v435 7/04/09 Fix bugs with non-regex filtering. 733 v436 7/05/09 Fix memory leak. 734 ----------------------------------------------------------------- 735 v437 7/14/09 Fix bug in handling some long option names; 736 make percentage calculation more accurate. 737 v438 12/29/10 Fix bugs with -i/-I and & filtering; 738 exit with status 2 on ctrl-C with -K. 739 v439 12/31/10 Add -A option. 740 v440 1/5/11 Fix bug displaying prompt after = command. 741 v441 1/21/11 Fix semi-infinite loop if no newlines in file; 742 make new -A behavior the default. 743 ----------------------------------------------------------------- 744 v442 3/2/11 Fix search bug. 745 Add ctrl-G line edit command. 746 v443 4/9/11 Fix Windows build. 747 v444 6/8/11 Fix ungetc bug; remove vestiges of obsolete -l option. 748 */ 749 750 char version[] = "444"; 751
Indexes created Wed Mar 04 05:31:52 UTC 2026