The branch releng/15.1 has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=109324d5e7ab893c15540fe97325b3eeaee88d20
commit 109324d5e7ab893c15540fe97325b3eeaee88d20 Author: Xin LI <[email protected]> AuthorDate: 2026-05-07 03:51:51 +0000 Commit: Colin Percival <[email protected]> CommitDate: 2026-05-07 17:24:43 +0000 MFV less v691 Approved by: re (cperciva) Relnotes: yes (cherry picked from commit dafba19e42e78cd3d7c9264ece49ddd3d7d70da5) MFV: less v692. (cherry picked from commit e2abec625bf07c054f7ac2df2402d6c454113df8) (cherry picked from commit 423b0bc492d5264ee518c6569d3c90ee0efb338c) --- contrib/less/LICENSE | 2 +- contrib/less/NEWS | 83 +++ contrib/less/README | 60 +- contrib/less/brac.c | 2 +- contrib/less/ch.c | 14 +- contrib/less/charset.c | 31 +- contrib/less/charset.h | 2 +- contrib/less/cmd.h | 26 +- contrib/less/cmdbuf.c | 138 ++-- contrib/less/command.c | 87 +-- contrib/less/compose.uni | 14 +- contrib/less/cvt.c | 2 +- contrib/less/decode.c | 107 ++- contrib/less/edit.c | 16 +- contrib/less/evar.c | 2 +- contrib/less/filename.c | 20 +- contrib/less/fmt.uni | 2 +- contrib/less/forwback.c | 37 +- contrib/less/funcs.h | 75 ++- contrib/less/help.c | 9 +- contrib/less/ifile.c | 12 +- contrib/less/input.c | 3 +- contrib/less/jump.c | 18 +- contrib/less/lang.h | 5 +- contrib/less/less.h | 19 +- contrib/less/less.hlp | 7 +- contrib/less/less.nro | 1495 ++++++++++++++++++++++++++++-------------- contrib/less/lessecho.c | 2 +- contrib/less/lessecho.nro | 37 +- contrib/less/lesskey.c | 2 +- contrib/less/lesskey.h | 2 +- contrib/less/lesskey.nro | 389 +++++++---- contrib/less/lesskey_parse.c | 37 +- contrib/less/lglob.h | 2 +- contrib/less/line.c | 39 +- contrib/less/linenum.c | 2 +- contrib/less/lsystem.c | 22 +- contrib/less/main.c | 55 +- contrib/less/mark.c | 154 +++-- contrib/less/omit.uni | 2 +- contrib/less/optfunc.c | 132 ++-- contrib/less/option.c | 134 ++-- contrib/less/option.h | 3 +- contrib/less/opttbl.c | 11 +- contrib/less/os.c | 65 +- contrib/less/output.c | 38 +- contrib/less/pattern.c | 2 +- contrib/less/pattern.h | 2 +- contrib/less/pckeys.h | 45 +- contrib/less/position.c | 16 +- contrib/less/position.h | 2 +- contrib/less/prompt.c | 38 +- contrib/less/screen.c | 527 ++++++++++----- contrib/less/scrsize.c | 2 +- contrib/less/search.c | 23 +- contrib/less/signal.c | 30 +- contrib/less/tags.c | 9 +- contrib/less/ttyin.c | 6 +- contrib/less/ubin.uni | 2 +- contrib/less/version.c | 21 +- contrib/less/wide.uni | 23 +- contrib/less/xbuf.c | 12 +- contrib/less/xbuf.h | 11 +- usr.bin/less/defines.h | 116 ++-- 64 files changed, 2852 insertions(+), 1451 deletions(-) diff --git a/contrib/less/LICENSE b/contrib/less/LICENSE index b9b72a3d088b..313cebd4f66f 100644 --- a/contrib/less/LICENSE +++ b/contrib/less/LICENSE @@ -2,7 +2,7 @@ ------------ Less -Copyright (C) 1984-2025 Mark Nudelman +Copyright (C) 1984-2026 Mark Nudelman Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions diff --git a/contrib/less/NEWS b/contrib/less/NEWS index 442fe21e406a..0f767aaeb059 100644 --- a/contrib/less/NEWS +++ b/contrib/less/NEWS @@ -9,6 +9,89 @@ Report bugs, suggestions or comments at https://github.com/gwsw/less/issues. +====================================================================== + + Major changes between "less" versions 691 and 692 + +* Revert HOME key to scroll to beginning of file and END key + to scroll to end of file (github #658). + +* Configure tty to leave CR and NL unmodified (github #703). + +* Add commands to lesskey parser (forw-bell-hilite, goto-pos and osc8-jump). + +* Add key sequences to lesskey parser (\kE, \kF, \kH, \kI, \kM, and \kS). + +* Fix bug using negative value with -z option (github #709). + +* Fix bug handling empty terminfo capabilties (github #710). + +* Fix memory leak in setupterm (github #707). + +* Make lesstest ignore system locale (nl_langinfo) (github #708). + +====================================================================== + + Major changes between "less" versions 685 and 691 + +* Add --autosave option (github #678). + +* Add ESC-f command (github #680). + +* Add column number to long prompt and = message. + +* Add prompt prototype sequences %C, %W, %Q and ?Q (github #685). + +* Map keypad keys, and use terminfo rather than termcap since keypad + definitions don't exist in termcap (github #650). + +* Change HOME key to scroll fully left and END key to scroll fully right. + Add shift-HOME and ctrl-HOME to scroll left and jump to top, and + add shift-END and ctrl-END to scroll right and jump to end (github #658). + +* Add LESSNOCONFIG environment variable. + +* Add --without-termlib to configure (github #701). + +* When setting line number colors (-DN), don't force bold attribute. + To set bold, you must append "d" or "*" to the color string (github #684). + +* While waiting for file data, only ^C or ^X will interrupt, not any command. + This reverts to behavior that existed before less-670 (github #700). + +* When --save-marks is not used, retain any marks saved in the history file + (github #662). + +* Defer sending the terminal init string until the first char is read + from the input file (github #682). + +* Make SIGHUP do an orderly exit like SIGTERM. + +* Implement modeline handling in Windows build. + +* Fix bugs and improve behavior of screen resize on Windows. + +* Fix bug when entering search modifier key at start of non-empty + search string (github #668). + +* Fix bug repainting screen with --form-feed (github #672). + +* Fix bugs passing invalid negative values to some command line + options (github #675). + +* Fix incorrect display of Lit indicator (github #670). + +* Fix incorrect display when returning to a mark after resizeing window + (github #681). + +* Fix bug using --pattern with --incsearch (github #696). + +* Disallow mouse click to open OSC8 link in SECURE mode (github #676). + +* Add SECURE_COMPILE environment variable for Windows builds. + +* Update Unicode tables. + ====================================================================== Major changes between "less" versions 679 and 685 diff --git a/contrib/less/README b/contrib/less/README index 4bfdc5e5a67f..a6954eb67c1e 100644 --- a/contrib/less/README +++ b/contrib/less/README @@ -84,7 +84,7 @@ INSTALLATION (Unix & Linux systems only): Makefile now. Take particular notice of the list of "terminal" libraries in the LIBS definition in the Makefile; these may need to be edited. The terminal libraries will be some subset of - -lncurses -lcurses -ltermcap -ltermlib + -ltinfo -ltinfow -lxcurses -lncursesw -lncurses -lcurses -ltermcap -ltermlib If you wish, you may edit defines.h to remove some optional features. If you choose not to include some features in your version, you may @@ -117,6 +117,29 @@ programmers", not "persons who attempt to circumvent computer security".) +======================================================================= +INSTALLATION (Windows-95, Windows-98 and Windows-NT systems only, + with Microsoft Visual C++, mingw, or Borland C) + +1. Move the distributed source to its own directory. + +2. If you wish, you may edit defines.wn to remove some optional features. + If you choose not to include some features in your version, you may + wish to edit the manual page less.man and the help page help.c + to remove the descriptions of the features which you are removing. + +3. If you are using Microsoft Visual C++, run "nmake -f Makefile.wnm". + If you are using mingw, run "make -f Makefile.wng". + If you are using Borland C, run "make -f Makefile.wnb". + + If the environment variable SECURE_COMPILE is to 1 during the make, + a "secure" version of less is built, with some features disabled. + +4. If the make succeeds, it will generate the programs "less.exe" and + "lesskey.exe" in your current directory. Test the generated programs. + + + ======================================================================= INSTALLATION (MS-DOS systems only, with Microsoft C, Borland C, or DJGPP) @@ -156,34 +179,6 @@ INSTALLATION (MS-DOS systems only, -======================================================================= -INSTALLATION (Windows-95, Windows-98 and Windows-NT systems only, - with Borland C or Microsoft Visual C++) - -1. Move the distributed source to its own directory. - -2. If you are using Borland C, rename Makefile.wnb to Makefile. - If you are using Microsoft Visual C++, rename Makefile.wnm to Makefile. - -3. Check the Makefile to make sure the definitions look ok. - -4. If you wish, you may edit defines.wn to remove some optional features. - If you choose not to include some features in your version, you may - wish to edit the manual page less.man and the help page help.c - to remove the descriptions of the features which you are removing. - -5. Type "make" and watch the fun. - -6. If the make succeeds, it will generate the programs "less.exe" and - "lesskey.exe" in your current directory. Test the generated programs. - -7. When satisfied that it works, if you wish to install it - in a public place, type "make install". - See step 6 of the Unix installation instructions for details - on how to change the default installation directories. - - - ======================================================================= INSTALLATION (OS/2 systems only, with EMX C) @@ -245,10 +240,3 @@ INSTALLATION (OS-9 systems only, See step 6 of the Unix installation instructions for details on how to change the default installation directories. -======================================================================= -ACKNOWLEDGMENTS: - Some versions of the less distribution are packaged using - Info-ZIP's compression utility. - Info-ZIP's software is free and can be obtained as source - code or executables from various anonymous-ftp sites, - including ftp.uu.net:/pub/archiving/zip. diff --git a/contrib/less/brac.c b/contrib/less/brac.c index 36f31d0316f4..b3b74e07d18a 100644 --- a/contrib/less/brac.c +++ b/contrib/less/brac.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1984-2025 Mark Nudelman + * Copyright (C) 1984-2026 Mark Nudelman * * You may distribute under the terms of either the GNU General Public * License or the Less License, as specified in the README file. diff --git a/contrib/less/ch.c b/contrib/less/ch.c index fb7572e7f88a..47d31ecffadd 100644 --- a/contrib/less/ch.c +++ b/contrib/less/ch.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1984-2025 Mark Nudelman + * Copyright (C) 1984-2026 Mark Nudelman * * You may distribute under the terms of either the GNU General Public * License or the Less License, as specified in the README file. @@ -22,7 +22,7 @@ typedef POSITION BLOCKNUM; -public int ignore_eoi; +public lbool ignore_eoi = FALSE; /* * Pool of buffers holding the most recently used blocks of the input file. @@ -883,13 +883,13 @@ public void ch_init(int f, int flags, ssize_t nread) */ ch_fsize = (flags & CH_HELPFILE) ? size_helpdata : filesize(ch_file); - /* - * This is a kludge to workaround a Linux kernel bug: files in some - * pseudo filesystems like /proc and tracefs have a size of 0 according - * to fstat() but have readable data. - */ if (ch_fsize == 0 && nread > 0) { + /* + * This is a kludge to workaround a Linux kernel bug: files in some + * pseudo filesystems like /proc and tracefs have a size of 0 according + * to fstat() but have readable data. + */ ch_flags |= CH_NOTRUSTSIZE; } diff --git a/contrib/less/charset.c b/contrib/less/charset.c index 0f62739bc88d..74159404148b 100644 --- a/contrib/less/charset.c +++ b/contrib/less/charset.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1984-2025 Mark Nudelman + * Copyright (C) 1984-2026 Mark Nudelman * * You may distribute under the terms of either the GNU General Public * License or the Less License, as specified in the README file. @@ -202,20 +202,20 @@ static void ichardef_utf(constant char *s) switch (*s++) { case 'b': - xbuf_add_data(&user_ubin_array, (unsigned char *) &range, sizeof(range)); + xbuf_add_data(&user_ubin_array, &range, sizeof(range)); break; case 'c': - xbuf_add_data(&user_compose_array, (unsigned char *) &range, sizeof(range)); + xbuf_add_data(&user_compose_array, &range, sizeof(range)); break; case 'd': - xbuf_add_data(&user_omit_array, (unsigned char *) &range, sizeof(range)); + xbuf_add_data(&user_omit_array, &range, sizeof(range)); break; case 'w': - xbuf_add_data(&user_wide_array, (unsigned char *) &range, sizeof(range)); - xbuf_add_data(&user_prt_array, (unsigned char *) &range, sizeof(range)); + xbuf_add_data(&user_wide_array, &range, sizeof(range)); + xbuf_add_data(&user_prt_array, &range, sizeof(range)); break; case 'p': case '.': - xbuf_add_data(&user_prt_array, (unsigned char *) &range, sizeof(range)); + xbuf_add_data(&user_prt_array, &range, sizeof(range)); break; case '\0': s--; @@ -429,13 +429,21 @@ static void set_charset(void) /* * Try using the codeset name as the charset name. */ - s = nl_langinfo(CODESET); - if (icharset(s, 1)) - return; +#if LESSTEST + /* + * Don't check nl_langinfo in lesstest mode; charset should come + * only from environment variables, not from the system locale. + */ + if (0) /* {{ unfortunately it's too early to use is_lesstest }} */ +#endif + { + s = nl_langinfo(CODESET); + if (icharset(s, 1)) + return; + } #endif #endif -#if HAVE_STRSTR /* * Check whether LC_ALL, LC_CTYPE or LANG look like UTF-8 is used. */ @@ -448,7 +456,6 @@ static void set_charset(void) if (icharset("utf-8", 1)) return; } -#endif #if HAVE_LOCALE /* diff --git a/contrib/less/charset.h b/contrib/less/charset.h index 4acf494b4ed5..cf2e02547cb5 100644 --- a/contrib/less/charset.h +++ b/contrib/less/charset.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1984-2025 Mark Nudelman + * Copyright (C) 1984-2026 Mark Nudelman * * You may distribute under the terms of either the GNU General Public * License or the Less License, as specified in the README file. diff --git a/contrib/less/cmd.h b/contrib/less/cmd.h index 07c57b111aee..945f99719d0c 100644 --- a/contrib/less/cmd.h +++ b/contrib/less/cmd.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1984-2025 Mark Nudelman + * Copyright (C) 1984-2026 Mark Nudelman * * You may distribute under the terms of either the GNU General Public * License or the Less License, as specified in the README file. @@ -86,6 +86,7 @@ #define A_OSC8_JUMP 74 #define A_START_PASTE 75 /* must not overlap EC_* */ #define A_END_PASTE 76 /* must not overlap EC_* */ +#define A_F_FOREVER_BELL 77 /* These values must not conflict with any A_* or EC_* value. */ #define A_INVALID 100 @@ -155,4 +156,27 @@ #define SK_BACKTAB 15 #define SK_CTL_BACKSPACE 16 #define SK_BACKSPACE 17 +#define SK_PAD_U 18 +#define SK_PAD_D 19 +#define SK_PAD_R 20 +#define SK_PAD_L 21 +#define SK_PAD_UR 22 +#define SK_PAD_UL 23 +#define SK_PAD_DR 24 +#define SK_PAD_DL 25 +#define SK_PAD_CENTER 26 +#define SK_PAD_STAR 27 +#define SK_PAD_SLASH 28 +#define SK_PAD_DASH 29 +#define SK_PAD_PLUS 30 +#define SK_PAD_DOT 31 +#define SK_PAD_COMMA 32 +#define SK_PAD_ZERO 33 +#define SK_SHIFT_HOME 34 +#define SK_SHIFT_END 35 +#define SK_CTL_HOME 36 +#define SK_CTL_END 37 +#define SK_SHIFT_LEFT_ARROW 38 +#define SK_SHIFT_RIGHT_ARROW 39 + #define SK_CONTROL_K 40 diff --git a/contrib/less/cmdbuf.c b/contrib/less/cmdbuf.c index f2963cf4c9da..1c3b3d461ad9 100644 --- a/contrib/less/cmdbuf.c +++ b/contrib/less/cmdbuf.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1984-2025 Mark Nudelman + * Copyright (C) 1984-2026 Mark Nudelman * * You may distribute under the terms of either the GNU General Public * License or the Less License, as specified in the README file. @@ -23,7 +23,7 @@ extern int sc_width; extern int utf_mode; extern int no_hist_dups; -extern int marks_modified; +extern lbool marks_modified; extern int no_paste; public lbool pasting = FALSE; @@ -35,6 +35,9 @@ static int cmd_offset; /* Index into cmdbuf of first displayed char */ static lbool literal; /* Next input char should not be interpreted */ static size_t updown_match; /* Prefix length in up/down movement */ static lbool have_updown_match = FALSE; +#if LESS_INSERT_MODE +static lbool insert_mode = TRUE; +#endif static int cmd_complete(int action); /* @@ -189,7 +192,7 @@ public int len_cmdbuf(void) */ public lbool cmdbuf_empty(void) { - return cp == cmdbuf && cmd_mbc_buf_len == 0; + return cmdbuf[0] == '\0' && cmd_mbc_buf_len == 0; } /* @@ -454,39 +457,6 @@ static int cmd_left(void) return (CC_OK); } -/* - * Insert a char into the command buffer, at the current position. - */ -static int cmd_ichar(constant char *cs, size_t clen) -{ - char *s; - - if (strlen(cmdbuf) + clen >= sizeof(cmdbuf)-1) - { - /* No room in the command buffer for another char. */ - bell(); - return (CC_ERROR); - } - - /* - * Make room for the new character (shift the tail of the buffer right). - */ - for (s = &cmdbuf[strlen(cmdbuf)]; s >= cp; s--) - s[clen] = s[0]; - /* - * Insert the character into the buffer. - */ - for (s = cp; s < cp + clen; s++) - *s = *cs++; - /* - * Reprint the tail of the line from the inserted char. - */ - have_updown_match = FALSE; - cmd_repaint(cp); - cmd_right(); - return (CC_OK); -} - /* * Backspace in the command buffer. * Delete the char to the left of the cursor. @@ -502,7 +472,7 @@ static int cmd_erase(void) * Backspace past beginning of the buffer: * this usually means abort the command. */ - return (CC_QUIT); + return CC_QUIT; } /* * Move cursor left (to the char being erased). @@ -532,7 +502,7 @@ static int cmd_erase(void) * to abort the current command, if CF_QUIT_ON_ERASE is set. */ if ((curr_cmdflags & CF_QUIT_ON_ERASE) && cp == cmdbuf && *cp == '\0') - return (CC_QUIT); + return CC_QUIT; return (CC_OK); } @@ -554,6 +524,43 @@ static int cmd_delete(void) return (CC_OK); } +/* + * Insert a char into the command buffer, at the current position. + */ +static int cmd_ichar(constant char *cs, size_t clen) +{ + char *s; + + if (strlen(cmdbuf) + clen >= sizeof(cmdbuf)-1) + { + /* No room in the command buffer for another char. */ + lbell(); + return (CC_ERROR); + } + +#if LESS_INSERT_MODE + if (!insert_mode) + cmd_delete(); +#endif + /* + * Make room for the new character (shift the tail of the buffer right). + */ + for (s = &cmdbuf[strlen(cmdbuf)]; s >= cp; s--) + s[clen] = s[0]; + /* + * Insert the character into the buffer. + */ + for (s = cp; s < cp + clen; s++) + *s = *cs++; + /* + * Reprint the tail of the line from the inserted char. + */ + have_updown_match = FALSE; + cmd_repaint(cp); + cmd_right(); + return (CC_OK); +} + /* * Delete the "word" to the left of the cursor. */ @@ -612,7 +619,7 @@ static int cmd_kill(void) if (cmdbuf[0] == '\0') { /* Buffer is already empty; abort the current command. */ - return (CC_QUIT); + return CC_QUIT; } cmd_offset = 0; cmd_home(); @@ -625,7 +632,7 @@ static int cmd_kill(void) * to abort the current command, if CF_QUIT_ON_ERASE is set. */ if (curr_cmdflags & CF_QUIT_ON_ERASE) - return (CC_QUIT); + return CC_QUIT; return (CC_OK); } @@ -660,7 +667,7 @@ static int cmd_updown(int action) /* * The current command has no history list. */ - bell(); + lbell(); return (CC_OK); } @@ -705,7 +712,7 @@ static int cmd_updown(int action) /* * We didn't find a history entry that matches. */ - bell(); + lbell(); return (CC_OK); } @@ -796,6 +803,15 @@ public void cmd_addhist(struct mlist *mlist, constant char *cmd, lbool modified) * Thus, an UPARROW will always retrieve the previous command. */ mlist->curr_mp = ml->next; + if (modified) + { + if (mlist == &mlist_search && autosave_action('/')) + save_cmdhist(); +#if SHELL_ESCAPE || PIPEC + else if (mlist == &mlist_shell && autosave_action('!')) + save_cmdhist(); +#endif + } #endif } @@ -904,6 +920,9 @@ static int cmd_edit(char c, lbool stay_in_completion) return (CC_OK); case EC_INSERT: not_in_completion(); +#if LESS_INSERT_MODE + insert_mode = !insert_mode; +#endif return (CC_OK); case EC_BACKSPACE: not_in_completion(); @@ -914,7 +933,7 @@ static int cmd_edit(char c, lbool stay_in_completion) case EC_ABORT: not_in_completion(); (void) cmd_kill(); - return (CC_QUIT); + return CC_QUIT; case EC_W_BACKSPACE: not_in_completion(); return (cmd_werase()); @@ -950,17 +969,23 @@ static int cmd_istr(constant char *str) { constant char *endline = str + strlen(str); constant char *s; - int action; - + int action = CC_OK; +#if LESS_INSERT_MODE + lbool save_insert_mode = insert_mode; + insert_mode = TRUE; +#endif for (s = str; *s != '\0'; ) { constant char *os = s; step_charc(&s, +1, endline); action = cmd_ichar(os, ptr_diff(s, os)); if (action != CC_OK) - return (action); + break; } - return (CC_OK); +#if LESS_INSERT_MODE + insert_mode = save_insert_mode; +#endif + return (action); } /* @@ -1171,7 +1196,7 @@ static int cmd_complete(int action) #endif /* TAB_COMPLETE_FILENAME */ if (tk_text == NULL) { - bell(); + lbell(); return (CC_OK); } if (action == EC_EXPAND) @@ -1239,7 +1264,7 @@ static int cmd_complete(int action) fail: in_completion = FALSE; - bell(); + lbell(); return (CC_OK); } @@ -1281,7 +1306,7 @@ static int cmd_uchar(char c, size_t *plen) } else { /* UTF8_INVALID or stray UTF8_TRAIL */ - bell(); + lbell(); return (CC_ERROR); } } else if (IS_UTF8_TRAIL(c)) @@ -1293,14 +1318,14 @@ static int cmd_uchar(char c, size_t *plen) { /* complete, but not well formed (non-shortest form), sequence */ cmd_mbc_buf_len = 0; - bell(); + lbell(); return (CC_ERROR); } } else { /* Flush incomplete (truncated) sequence. */ cmd_mbc_buf_len = 0; - bell(); + lbell(); /* Handle new char. */ goto retry; } @@ -1388,7 +1413,6 @@ public LINENUM cmd_int(mutable long *frac) { constant char *p; LINENUM n = 0; - lbool err; for (p = cmdbuf; *p >= '0' && *p <= '9'; p++) { @@ -1401,8 +1425,8 @@ public LINENUM cmd_int(mutable long *frac) *frac = 0; if (*p++ == '.') { - *frac = getfraction(&p, NULL, &err); - /* {{ do something if err is set? }} */ + /* {{ Just ignore error in fractional part. }} */ + (void) getfraction(&p, frac); } return (n); } @@ -1447,7 +1471,7 @@ static int mlist_size(struct mlist *ml) static char * histfile_find(lbool must_exist) { constant char *home = lgetenv("HOME"); - char *name = NULL; + char *name; /* Try in $XDG_STATE_HOME, then in $HOME/.local/state, then in $XDG_DATA_HOME, then in $HOME. */ #if OS2 @@ -1738,7 +1762,7 @@ public void save_cmdhist(void) int skip_shell; struct save_ctx ctx; constant char *s; - FILE *fout = NULL; + FILE *fout; int histsize = 0; if (!secure_allow(SF_HISTORY) || !histfile_modified()) diff --git a/contrib/less/command.c b/contrib/less/command.c index 390385547385..1bb8d006f8ec 100644 --- a/contrib/less/command.c +++ b/contrib/less/command.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1984-2025 Mark Nudelman + * Copyright (C) 1984-2026 Mark Nudelman * * You may distribute under the terms of either the GNU General Public * License or the Less License, as specified in the README file. @@ -32,7 +32,7 @@ extern int jump_sline; extern lbool quitting; extern int wscroll; extern int top_scroll; -extern int ignore_eoi; +extern lbool ignore_eoi; extern int hshift; extern int bs_mode; extern int proc_backspace; @@ -49,7 +49,6 @@ extern void *ml_examine; extern int wheel_lines; extern int def_search_type; extern lbool search_wrapped; -extern lbool no_poll; extern int no_paste; extern lbool pasting; extern int no_edit_warn; @@ -154,7 +153,7 @@ static void start_mca(int action, constant char *prompt, void *mlist, int cmdfla set_mlist(mlist, cmdflags); } -public int in_mca(void) +public lbool in_mca(void) { return (mca != 0 && mca != A_PREFIX); } @@ -476,7 +475,7 @@ static int mca_opt_nonfirst_char(char c) } } else if (!ambig) { - bell(); + lbell(); } return (MCA_MORE); } @@ -575,7 +574,10 @@ static int mca_search_char(char c) */ if (!cmdbuf_empty() || literal_char) { + lbool was_literal_char = literal_char; literal_char = FALSE; + if (was_literal_char) + mca_search1(); return (NO_MCA); } @@ -639,6 +641,17 @@ static int mca_search_char(char c) return (NO_MCA); } +/* + * Jump back to the starting position of an incremental search. + */ +static void jump_search_incr_pos(void) +{ + if (search_incr_pos.pos == NULL_POSITION) + return; + hshift = search_incr_hshift; + jump_loc(search_incr_pos.pos, search_incr_pos.ln); +} + /* * Handle a character of a multi-character command. */ @@ -772,30 +785,21 @@ static int mca_char(char c) if (*pattern == '\0') { /* User has backspaced to an empty pattern. */ - undo_search(1); - hshift = search_incr_hshift; - jump_loc(search_incr_pos.pos, search_incr_pos.ln); + undo_search(TRUE); + jump_search_incr_pos(); } else { - /* - * Suppress tty polling while searching. - * This avoids a problem where tty input - * can cause the search to be interrupted. - */ - no_poll = TRUE; if (search(st | SRCH_INCR, pattern, 1) != 0) { /* No match, invalid pattern, etc. */ - undo_search(1); - hshift = search_incr_hshift; - jump_loc(search_incr_pos.pos, search_incr_pos.ln); + undo_search(TRUE); + jump_search_incr_pos(); } - no_poll = FALSE; } /* Redraw the search prompt and search string. */ if (is_screen_trashed() || !full_screen) { - clear(); + lclear(); repaint(); } mca_search1(); @@ -851,7 +855,7 @@ static void make_display(void) * We need to clear and repaint screen before any change. */ if (!full_screen && !(quit_if_one_screen && one_screen)) - clear(); + lclear(); /* * If nothing is displayed yet, display starting from initial_scrpos. */ @@ -864,9 +868,9 @@ static void make_display(void) } else if (is_screen_trashed() || !full_screen) { int save_top_scroll = top_scroll; - int save_ignore_eoi = ignore_eoi; + lbool save_ignore_eoi = ignore_eoi; top_scroll = 1; - ignore_eoi = 0; + ignore_eoi = FALSE; if (is_screen_trashed() == 2) { /* Special case used by ignore_eoi: re-open the input file @@ -1304,29 +1308,31 @@ static void multi_search(constant char *pattern, int n, int silent) /* * Forward forever, or until a highlighted line appears. */ -static int forw_loop(int until_hilite) +static int forw_loop(int action) { - POSITION curr_len; + POSITION prev_hilite; if (ch_getflags() & CH_HELPFILE) return (A_NOACTION); cmd_exec(); jump_forw_buffered(); - curr_len = ch_length(); - highest_hilite = until_hilite ? curr_len : NULL_POSITION; - ignore_eoi = 1; + highest_hilite = prev_hilite = 0; + ignore_eoi = TRUE; while (!sigs) { - if (until_hilite && highest_hilite > curr_len) + if (action != A_F_FOREVER && highest_hilite > prev_hilite) { - bell(); - break; + lbell(); + if (action == A_F_UNTIL_HILITE) + break; + prev_hilite = highest_hilite; } make_display(); forward(1, FALSE, FALSE, FALSE); } - ignore_eoi = 0; + highest_hilite = NULL_POSITION; + ignore_eoi = FALSE; ch_set_eof(); /* @@ -1334,7 +1340,7 @@ static int forw_loop(int until_hilite) * a non-abort signal (e.g. window-change). */ if (sigs && !ABORT_SIGS()) - return (until_hilite ? A_F_UNTIL_HILITE : A_F_FOREVER); + return (action); return (A_NOACTION); } @@ -1401,7 +1407,6 @@ public void commands(void) #endif search_type = SRCH_FORW; - wscroll = (sc_height + 1) / 2; newaction = A_NOACTION; for (;;) @@ -1507,7 +1512,9 @@ public void commands(void) * want erase_char/kill_char to be treated * as line editing characters. */ - constant char tbuf[2] = { c, '\0' }; + char tbuf[2]; + tbuf[0] = c; + tbuf[1] = '\0'; action = fcmd_decode(tbuf, &extra); } /* *** 8507 LINES SKIPPED ***
