From nobody Thu May 18 06:01:00 2023 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4QMK8r6XBWz4C6nB; Thu, 18 May 2023 06:01:00 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4QMK8r6MY6z4J9D; Thu, 18 May 2023 06:01:00 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1684389660; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=ZUrxksEl44m2ESeoaniTR/tuPBjUbS/QjRUOqN0bIp8=; b=kHWArs19eIiiDMvsVq7+F5q6lo0pcHKSSqPO8ZlOvpsiTsMZ0akmARpV7hkhoXhUCYNrHI mw68ImZ78IxoMtRX/KN/280tm3xQ0Dz2rSCbXKIaK/L9A1OYQi83UlFYV4vRCm9YquzoqP dTENFIElZ6wixfSG0rGuOpkeePREsJ8Hteev7oRGO8pGGtXcfvU8Sh//ZPYagjJptWzJaj xmijTIsU7IJt1t8IlamJT2ta8qs+wCS3RIAF6ruESi4xGo3q/IdV2EhsPqKh/J0FC9Nz1d 8zfkLkvVkXZrfzd8+dqYLAPCDf6pHMrHgct98eEAXuZbCrUt6JsjLbzmUZ7XsQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1684389660; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=ZUrxksEl44m2ESeoaniTR/tuPBjUbS/QjRUOqN0bIp8=; b=WomHSVk03QZJIErf1b9tPiAYAXvgXKs4EJB1F+y8OK3RYyiNvBoDW2FZcP55XHZ4STkyUh tMtac4KE0OUbEnlWtI6TejB/5ZpASTD+JTpMkWKfoAryopUXoCsgEnBbfsDLvYWCRA8G4w e1W+gmCl4bGlacALLB01gPdaB7l0ktBZNRR3TkIqL7YoAf7NCzBCt4qU2mr71UbfN6no+g p33Y+dwAKEOGDRnUOykrezL1m/IatfONAjAX/fY8kcosFxXp1RteWagCEISvteHbxYbhsZ K7y7JDav8ZcP+JqLOyGzDHbhHWi6Ds0l03tJ0l3d1aASXqtGl8cA5w2diOTdVQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1684389660; a=rsa-sha256; cv=none; b=peM2SF4dXLmfNU22SJPYWGxa4LQ088jAxD7YmyGKcFyU7gbX4a/qVuE6auC/XD6921XbOC RqqoD/w0f2MPLJemR3OZ8vlq3jOK3vBYNWe2vZ8bdG4GO2EX4vRvgHZGul38CnwdfVPd7f r/lIPW8IqNs5JT3ir9untNkHvP2Cn3tOVkmBcW039B45+POSKKpTXBSRLdAFBYVjN+ts+E 0xMa/153WnWf86LTMUkF9MKHaGVHsEU+pUe0dDn5KfQE8xNLty43oGwFaulGkK98cz6OkH gNCvVpdxxIpu1Wgk4mMoHGBbTEJkh+odaBcH4KSrxgbU+oePlJuOMhgMDAFE+Q== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4QMK8r5RVfzZ32; Thu, 18 May 2023 06:01:00 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 34I6103m026791; Thu, 18 May 2023 06:01:00 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 34I610vG026790; Thu, 18 May 2023 06:01:00 GMT (envelope-from git) Date: Thu, 18 May 2023 06:01:00 GMT Message-Id: <202305180601.34I610vG026790@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Xin LI Subject: git: 69ce8ed3c650 - stable/13 - MFV: less v632. List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: delphij X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: 69ce8ed3c6500878ec011a779663765a69727342 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by delphij: URL: https://cgit.FreeBSD.org/src/commit/?id=69ce8ed3c6500878ec011a779663765a69727342 commit 69ce8ed3c6500878ec011a779663765a69727342 Author: Xin LI AuthorDate: 2023-05-02 03:43:57 +0000 Commit: Xin LI CommitDate: 2023-05-18 06:00:49 +0000 MFV: less v632. (cherry picked from commit d713e0891ff9ab8246245c3206851d486ecfdd37) --- contrib/less/LICENSE | 2 +- contrib/less/NEWS | 79 ++++- contrib/less/brac.c | 9 +- contrib/less/ch.c | 321 ++++++++----------- contrib/less/charset.c | 234 +++++++++----- contrib/less/charset.h | 2 +- contrib/less/cmd.h | 3 +- contrib/less/cmdbuf.c | 211 +++--------- contrib/less/command.c | 200 ++++++------ contrib/less/compose.uni | 14 +- contrib/less/cvt.c | 19 +- contrib/less/decode.c | 144 ++------- contrib/less/edit.c | 357 +++++++++++++++------ contrib/less/filename.c | 137 ++++---- contrib/less/fmt.uni | 4 +- contrib/less/forwback.c | 64 +--- contrib/less/funcs.h | 748 ++++++++++++++++++++++--------------------- contrib/less/help.c | 46 ++- contrib/less/ifile.c | 118 ++----- contrib/less/input.c | 203 +++++++++--- contrib/less/jump.c | 37 +-- contrib/less/less.h | 89 +++-- contrib/less/less.hlp | 44 ++- contrib/less/less.nro | 677 ++++++++++++++++++++++++++------------- contrib/less/lessecho.c | 44 +-- contrib/less/lessecho.nro | 38 +-- contrib/less/lesskey.c | 66 ++-- contrib/less/lesskey.h | 2 +- contrib/less/lesskey.nro | 62 ++-- contrib/less/lesskey_parse.c | 111 ++----- contrib/less/lglob.h | 2 +- contrib/less/line.c | 467 ++++++++++++--------------- contrib/less/linenum.c | 53 ++- contrib/less/lsystem.c | 18 +- contrib/less/main.c | 54 ++-- contrib/less/mark.c | 84 ++--- contrib/less/mkutable | 15 +- contrib/less/optfunc.c | 314 ++++++++---------- contrib/less/option.c | 105 ++---- contrib/less/option.h | 4 +- contrib/less/opttbl.c | 116 +++++-- contrib/less/os.c | 231 +++++++------ contrib/less/output.c | 135 ++++---- contrib/less/pattern.c | 176 +++++----- contrib/less/pattern.h | 10 +- contrib/less/pckeys.h | 2 +- contrib/less/position.c | 41 +-- contrib/less/position.h | 2 +- contrib/less/prompt.c | 78 ++--- contrib/less/screen.c | 562 +++++++++++++++----------------- contrib/less/scrsize.c | 2 +- contrib/less/search.c | 370 ++++++++------------- contrib/less/signal.c | 29 +- contrib/less/tags.c | 87 ++--- contrib/less/ttyin.c | 52 +-- contrib/less/ubin.uni | 16 +- contrib/less/version.c | 31 +- contrib/less/wide.uni | 22 +- contrib/less/xbuf.c | 150 +++++++-- contrib/less/xbuf.h | 7 +- usr.bin/less/defines.h | 24 +- 61 files changed, 3721 insertions(+), 3623 deletions(-) diff --git a/contrib/less/LICENSE b/contrib/less/LICENSE index 65bce4288972..d22cc6070c51 100644 --- a/contrib/less/LICENSE +++ b/contrib/less/LICENSE @@ -2,7 +2,7 @@ ------------ Less -Copyright (C) 1984-2022 Mark Nudelman +Copyright (C) 1984-2023 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 bcfe4c6c9e38..468f59441b28 100644 --- a/contrib/less/NEWS +++ b/contrib/less/NEWS @@ -9,6 +9,77 @@ Report bugs, suggestions or comments at https://github.com/gwsw/less/issues. +====================================================================== + + Major changes between "less" versions 608 and 632 + +* Add LESSUTFCHARDEF environment variable (github #275). + +* Add # command (github #330). + +* Add ^S search modifier (github #196). + +* Add --wordwrap option (github #113). + +* Add --no-vbell option (github #304). + +* Add --no-search-headers option (github #44). + +* Add --modelines option (github #89). + +* Add --intr option (github #224). + +* Add --proc-backspace, --proc-tab and --proc-return options (github #335). + +* Add --show-preproc-errors option (github #258). + +* Add LESS_LINES and LESS_COLUMNS environment variables (github #84). + +* Add LESS_DATA_DELAY environment variable (github #337). + +* Allow empty "lines" field in --header option. + +* Update Unicode tables. + +* Improve ability of ^X to interrupt F command (github #49). + +* Status column (-J) shows off-screen matches. + +* Parenthesized sub-patterns in searches are colored with unique colors, + if supported by the regular expression library (github #196). + +* Don't allow opening a tty as file input unless -f is set (github #309). + +* Don't require newline input after +&... option (github #339). + +* Fix incorrect handling of some Private Use Unicode characters. + +* Fix ANSI color bug when overstriking with colored chars (github #276). + +* Fix compiler const warning (github #279). + +* Fix signal race in iread (github #280). + +* Fix reading procfs files on Linux (github #282). + +* Fix --ignore-case with ctrl-R (no regex) search (github #300). + +* Fix bug doing repeat search after setting & filter (github #299). + +* Fix bug doing repeat search before non-repeat search. + +* Fix crash with -R and certain line lengths (github #338). + +* Fix input of Windows dead keys (github #352). + +* Don't retain search options from a cancelled search (github #302). + +* Don't call realpath on fake filenames like "-" (github #289). + +* Implement lesstest test suite. + +* Convert function parameter definitions from K&R to C89 (github #316). + ====================================================================== Major changes between "less" versions 590 and 608 @@ -241,7 +312,7 @@ * Update Unicode tables to 2017-03-08. -* Pass-thru Unicode formating chars (Cf type) instead of treating them +* Pass-thru Unicode formatting chars (Cf type) instead of treating them as binary chars. But treat them as binary if -U is set. * Fix erroneous binary file warning when UTF-8 file contains ANSI SGR sequences. @@ -433,7 +504,7 @@ * Fix problem interrupting the line number calculation for initial prompt. -* Fix SGR emulation when dealing with multiple attributes (eg. bold+underline). +* Fix SGR emulation when dealing with multiple attributes (e.g. bold+underline). * Fix highlight bug when searching for underlined/overstruck text. @@ -515,7 +586,7 @@ * The -c option has been made identical with the -C option. -* Allow "/dev/null" as synomym for "-" in LESSHISTFILE to indicate +* Allow "/dev/null" as synonym for "-" in LESSHISTFILE to indicate that no history file should be used. * Search can now find text which follows a null byte, if the PCRE @@ -665,7 +736,7 @@ * Improved performance in reading very large pipes. -* Eliminated some dependencies on file offets being 32 bits. +* Eliminated some dependencies on file offsets being 32 bits. * Fixed problems when viewing files with very long lines. diff --git a/contrib/less/brac.c b/contrib/less/brac.c index 58ecf172ae4e..da4efab8605e 100644 --- a/contrib/less/brac.c +++ b/contrib/less/brac.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1984-2022 Mark Nudelman + * Copyright (C) 1984-2023 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. @@ -23,12 +23,7 @@ * The characters which serve as "open bracket" and * "close bracket" are given. */ - public void -match_brac(obrac, cbrac, forwdir, n) - int obrac; - int cbrac; - int forwdir; - int n; +public void match_brac(char obrac, char cbrac, int forwdir, int n) { int c; int nest; diff --git a/contrib/less/ch.c b/contrib/less/ch.c index bfad09c719f6..b297e7483e7b 100644 --- a/contrib/less/ch.c +++ b/contrib/less/ch.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1984-2022 Mark Nudelman + * Copyright (C) 1984-2023 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. @@ -20,14 +20,11 @@ #include #endif -#if HAVE_STAT_INO -#include -extern dev_t curr_dev; -extern ino_t curr_ino; -#endif - #if HAVE_PROCFS #include +#if HAVE_LINUX_MAGIC_H +#include +#endif #endif typedef POSITION BLOCKNUM; @@ -133,6 +130,7 @@ extern int sigs; extern int secure; extern int screen_trashed; extern int follow_mode; +extern int waiting_for_data; extern constant char helpdata[]; extern constant int size_helpdata; extern IFILE curr_ifile; @@ -147,13 +145,12 @@ static int ch_addbuf(); /* * Get the character pointed to by the read pointer. */ - int -ch_get(VOID_PARAM) +static int ch_get(void) { struct buf *bp; struct bufnode *bn; int n; - int slept; + int read_again; int h; POSITION pos; POSITION len; @@ -172,11 +169,10 @@ ch_get(VOID_PARAM) return bp->data[ch_offset]; } - slept = FALSE; - /* * Look for a buffer holding the desired block. */ + waiting_for_data = FALSE; h = BUFHASH(ch_block); FOR_BUFS_IN_CHAIN(h, bn) { @@ -225,149 +221,139 @@ ch_get(VOID_PARAM) BUF_HASH_INS(bn, h); /* Insert into new hash chain. */ } - read_more: - pos = (ch_block * LBUFSIZE) + bp->datasize; - if ((len = ch_length()) != NULL_POSITION && pos >= len) - /* - * At end of file. - */ - return (EOI); - - if (pos != ch_fpos) + for (;;) { + pos = (ch_block * LBUFSIZE) + bp->datasize; + if ((len = ch_length()) != NULL_POSITION && pos >= len) + /* + * At end of file. + */ + return (EOI); + + if (pos != ch_fpos) + { + /* + * Not at the correct position: must seek. + * If input is a pipe, we're in trouble (can't seek on a pipe). + * Some data has been lost: just return "?". + */ + if (!(ch_flags & CH_CANSEEK)) + return ('?'); + if (lseek(ch_file, (off_t)pos, SEEK_SET) == BAD_LSEEK) + { + error("seek error", NULL_PARG); + clear_eol(); + return (EOI); + } + ch_fpos = pos; + } + /* - * Not at the correct position: must seek. - * If input is a pipe, we're in trouble (can't seek on a pipe). - * Some data has been lost: just return "?". + * Read the block. + * If we read less than a full block, that's ok. + * We use partial block and pick up the rest next time. */ - if (!(ch_flags & CH_CANSEEK)) - return ('?'); - if (lseek(ch_file, (off_t)pos, SEEK_SET) == BAD_LSEEK) + if (ch_ungotchar != -1) { - error("seek error", NULL_PARG); - clear_eol(); - return (EOI); + bp->data[bp->datasize] = ch_ungotchar; + n = 1; + ch_ungotchar = -1; + } else if (ch_flags & CH_HELPFILE) + { + bp->data[bp->datasize] = helpdata[ch_fpos]; + n = 1; + } else + { + n = iread(ch_file, &bp->data[bp->datasize], + (unsigned int)(LBUFSIZE - bp->datasize)); } - ch_fpos = pos; - } - - /* - * Read the block. - * If we read less than a full block, that's ok. - * We use partial block and pick up the rest next time. - */ - if (ch_ungotchar != -1) - { - bp->data[bp->datasize] = ch_ungotchar; - n = 1; - ch_ungotchar = -1; - } else if (ch_flags & CH_HELPFILE) - { - bp->data[bp->datasize] = helpdata[ch_fpos]; - n = 1; - } else - { - n = iread(ch_file, &bp->data[bp->datasize], - (unsigned int)(LBUFSIZE - bp->datasize)); - } - if (n == READ_INTR) - return (EOI); - if (n < 0) - { + read_again = FALSE; + if (n == READ_INTR) + { + ch_fsize = pos; + return (EOI); + } + if (n == READ_AGAIN) + { + read_again = TRUE; + n = 0; + } + if (n < 0) + { #if MSDOS_COMPILER==WIN32C - if (errno != EPIPE) + if (errno != EPIPE) #endif - { - error("read error", NULL_PARG); - clear_eol(); + { + error("read error", NULL_PARG); + clear_eol(); + } + n = 0; } - n = 0; - } #if LOGFILE - /* - * If we have a log file, write the new data to it. - */ - if (!secure && logfile >= 0 && n > 0) - write(logfile, (char *) &bp->data[bp->datasize], n); + /* + * If we have a log file, write the new data to it. + */ + if (!secure && logfile >= 0 && n > 0) + write(logfile, (char *) &bp->data[bp->datasize], n); #endif - ch_fpos += n; - bp->datasize += n; + ch_fpos += n; + bp->datasize += n; - /* - * If we have read to end of file, set ch_fsize to indicate - * the position of the end of file. - */ - if (n == 0) - { - ch_fsize = pos; - if (ignore_eoi) + if (n == 0) { - /* - * We are ignoring EOF. - * Wait a while, then try again. - */ - if (!slept) - { - PARG parg; - parg.p_string = wait_message(); - ierror("%s", &parg); - } - sleep_ms(2); /* Reduce system load */ - slept = TRUE; - -#if HAVE_STAT_INO - if (follow_mode == FOLLOW_NAME) + /* Either end of file or no data available. + * read_again indicates the latter. */ + if (!read_again) + ch_fsize = pos; + if (ignore_eoi || read_again) { - /* See whether the file's i-number has changed, - * or the file has shrunk. - * If so, force the file to be closed and - * reopened. */ - struct stat st; - POSITION curr_pos = ch_tell(); - int r = stat(get_filename(curr_ifile), &st); - if (r == 0 && (st.st_ino != curr_ino || - st.st_dev != curr_dev || - (curr_pos != NULL_POSITION && st.st_size < curr_pos))) + /* Wait a while, then try again. */ + if (!waiting_for_data) { - /* screen_trashed=2 causes - * make_display to reopen the file. */ - screen_trashed = 2; - return (EOI); + PARG parg; + parg.p_string = wait_message(); + ixerror("%s", &parg); + waiting_for_data = TRUE; } + sleep_ms(50); /* Reduce system load */ } -#endif + if (ignore_eoi && follow_mode == FOLLOW_NAME && curr_ifile_changed()) + { + /* screen_trashed=2 causes make_display to reopen the file. */ + screen_trashed = 2; + return (EOI); + } + if (sigs) + return (EOI); } - if (sigs) - return (EOI); - } - found: - if (ch_bufhead != bn) - { - /* - * Move the buffer to the head of the buffer chain. - * This orders the buffer chain, most- to least-recently used. - */ - BUF_RM(bn); - BUF_INS_HEAD(bn); + found: + if (ch_bufhead != bn) + { + /* + * Move the buffer to the head of the buffer chain. + * This orders the buffer chain, most- to least-recently used. + */ + BUF_RM(bn); + BUF_INS_HEAD(bn); - /* - * Move to head of hash chain too. - */ - BUF_HASH_RM(bn); - BUF_HASH_INS(bn, h); - } + /* + * Move to head of hash chain too. + */ + BUF_HASH_RM(bn); + BUF_HASH_INS(bn, h); + } - if (ch_offset >= bp->datasize) + if (ch_offset < bp->datasize) + break; /* * After all that, we still don't have enough data. * Go back and try again. */ - goto read_more; - + } return (bp->data[ch_offset]); } @@ -375,9 +361,7 @@ ch_get(VOID_PARAM) * ch_ungetchar is a rather kludgy and limited way to push * a single char onto an input file descriptor. */ - public void -ch_ungetchar(c) - int c; +public void ch_ungetchar(int c) { if (c != -1 && ch_ungotchar != -1) error("ch_ungetchar overrun", NULL_PARG); @@ -389,8 +373,7 @@ ch_ungetchar(c) * Close the logfile. * If we haven't read all of standard input into it, do that now. */ - public void -end_logfile(VOID_PARAM) +public void end_logfile(void) { static int tried = FALSE; @@ -415,8 +398,7 @@ end_logfile(VOID_PARAM) * Invoked from the - command; see toggle_option(). * Write all the existing buffered data to the log file. */ - public void -sync_logfile(VOID_PARAM) +public void sync_logfile(void) { struct buf *bp; struct bufnode *bn; @@ -452,9 +434,7 @@ sync_logfile(VOID_PARAM) /* * Determine if a specific block is currently in one of the buffers. */ - static int -buffered(block) - BLOCKNUM block; +static int buffered(BLOCKNUM block) { struct buf *bp; struct bufnode *bn; @@ -474,9 +454,7 @@ buffered(block) * Seek to a specified position in the file. * Return 0 if successful, non-zero if can't seek there. */ - public int -ch_seek(pos) - POSITION pos; +public int ch_seek(POSITION pos) { BLOCKNUM new_block; POSITION len; @@ -513,8 +491,7 @@ ch_seek(pos) /* * Seek to the end of the file. */ - public int -ch_end_seek(VOID_PARAM) +public int ch_end_seek(void) { POSITION len; @@ -540,8 +517,7 @@ ch_end_seek(VOID_PARAM) /* * Seek to the last position in the file that is currently buffered. */ - public int -ch_end_buffer_seek(VOID_PARAM) +public int ch_end_buffer_seek(void) { struct buf *bp; struct bufnode *bn; @@ -568,8 +544,7 @@ ch_end_buffer_seek(VOID_PARAM) * We may not be able to seek there if input is a pipe and the * beginning of the pipe is no longer buffered. */ - public int -ch_beg_seek(VOID_PARAM) +public int ch_beg_seek(void) { struct bufnode *bn; struct bufnode *firstbn; @@ -600,8 +575,7 @@ ch_beg_seek(VOID_PARAM) /* * Return the length of the file, if known. */ - public POSITION -ch_length(VOID_PARAM) +public POSITION ch_length(void) { if (thisfile == NULL) return (NULL_POSITION); @@ -617,8 +591,7 @@ ch_length(VOID_PARAM) /* * Return the current position in the file. */ - public POSITION -ch_tell(VOID_PARAM) +public POSITION ch_tell(void) { if (thisfile == NULL) return (NULL_POSITION); @@ -628,8 +601,7 @@ ch_tell(VOID_PARAM) /* * Get the current char and post-increment the read pointer. */ - public int -ch_forw_get(VOID_PARAM) +public int ch_forw_get(void) { int c; @@ -651,8 +623,7 @@ ch_forw_get(VOID_PARAM) /* * Pre-decrement the read pointer and get the new current char. */ - public int -ch_back_get(VOID_PARAM) +public int ch_back_get(void) { if (thisfile == NULL) return (EOI); @@ -674,15 +645,14 @@ ch_back_get(VOID_PARAM) * Set max amount of buffer space. * bufspace is in units of 1024 bytes. -1 mean no limit. */ - public void -ch_setbufspace(bufspace) - int bufspace; +public void ch_setbufspace(int bufspace) { if (bufspace < 0) maxbufs = -1; else { - maxbufs = ((bufspace * 1024) + LBUFSIZE-1) / LBUFSIZE; + int lbufk = LBUFSIZE / 1024; + maxbufs = bufspace / lbufk + (bufspace % lbufk != 0); if (maxbufs < 1) maxbufs = 1; } @@ -691,8 +661,7 @@ ch_setbufspace(bufspace) /* * Flush (discard) any saved file state, including buffer contents. */ - public void -ch_flush(VOID_PARAM) +public void ch_flush(void) { struct bufnode *bn; @@ -765,8 +734,7 @@ ch_flush(VOID_PARAM) * Allocate a new buffer. * The buffer is added to the tail of the buffer chain. */ - static int -ch_addbuf(VOID_PARAM) +static int ch_addbuf(void) { struct buf *bp; struct bufnode *bn; @@ -790,8 +758,7 @@ ch_addbuf(VOID_PARAM) /* * */ - static void -init_hashtbl(VOID_PARAM) +static void init_hashtbl(void) { int h; @@ -805,8 +772,7 @@ init_hashtbl(VOID_PARAM) /* * Delete all buffers for this file. */ - static void -ch_delbufs(VOID_PARAM) +static void ch_delbufs(void) { struct bufnode *bn; @@ -823,9 +789,7 @@ ch_delbufs(VOID_PARAM) /* * Is it possible to seek on a file descriptor? */ - public int -seekable(f) - int f; +public int seekable(int f) { #if MSDOS_COMPILER extern int fd0; @@ -845,8 +809,7 @@ seekable(f) * Force EOF to be at the current read position. * This is used after an ignore_eof read, during which the EOF may change. */ - public void -ch_set_eof(VOID_PARAM) +public void ch_set_eof(void) { if (ch_fsize != NULL_POSITION && ch_fsize < ch_fpos) ch_fsize = ch_fpos; @@ -856,10 +819,7 @@ ch_set_eof(VOID_PARAM) /* * Initialize file state for a new file. */ - public void -ch_init(f, flags) - int f; - int flags; +public void ch_init(int f, int flags) { /* * See if we already have a filestate for this file. @@ -896,8 +856,7 @@ ch_init(f, flags) /* * Close a filestate. */ - public void -ch_close(VOID_PARAM) +public void ch_close(void) { int keepstate = FALSE; @@ -939,8 +898,7 @@ ch_close(VOID_PARAM) /* * Return ch_flags for the current file. */ - public int -ch_getflags(VOID_PARAM) +public int ch_getflags(void) { if (thisfile == NULL) return (0); @@ -948,8 +906,7 @@ ch_getflags(VOID_PARAM) } #if 0 - public void -ch_dump(struct filestate *fs) +static void ch_dump(struct filestate *fs) { struct buf *bp; struct bufnode *bn; diff --git a/contrib/less/charset.c b/contrib/less/charset.c index 5e9a2d6427b8..881ebafd02cf 100644 --- a/contrib/less/charset.c +++ b/contrib/less/charset.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1984-2022 Mark Nudelman + * Copyright (C) 1984-2023 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. @@ -21,6 +21,7 @@ #endif #include "charset.h" +#include "xbuf.h" #if MSDOS_COMPILER==WIN32C #define WIN32_LEAN_AND_MEAN @@ -123,6 +124,108 @@ static char *binfmt = NULL; static char *utfbinfmt = NULL; public int binattr = AT_STANDOUT|AT_COLOR_BIN; +static struct xbuffer user_wide_array; +static struct xbuffer user_ubin_array; +static struct xbuffer user_compose_array; +static struct xbuffer user_prt_array; +static struct wchar_range_table user_wide_table; +static struct wchar_range_table user_ubin_table; +static struct wchar_range_table user_compose_table; +static struct wchar_range_table user_prt_table; + +/* + * Set a wchar_range_table to the table in an xbuffer. + */ +static void wchar_range_table_set(struct wchar_range_table *tbl, struct xbuffer *arr) +{ + tbl->table = (struct wchar_range *) arr->data; + tbl->count = arr->end / sizeof(struct wchar_range); +} + +/* + * Skip over a "U" or "U+" prefix before a hex codepoint. + */ +static char * skip_uprefix(char *s) +{ + if (*s == 'U' || *s == 'u') + if (*++s == '+') ++s; + return s; +} + +/* + * Parse a dash-separated range of hex values. + */ +static void wchar_range_get(char **ss, struct wchar_range *range) +{ + char *s = skip_uprefix(*ss); + range->first = lstrtoul(s, &s, 16); + if (s[0] == '-') + { + s = skip_uprefix(&s[1]); + range->last = lstrtoul(s, &s, 16); + } else + { + range->last = range->first; + } + *ss = s; +} + +/* + * Parse the LESSUTFCHARDEF variable. + */ +static void ichardef_utf(char *s) +{ + xbuf_init(&user_wide_array); + xbuf_init(&user_ubin_array); + xbuf_init(&user_compose_array); + xbuf_init(&user_prt_array); + + if (s != NULL) + { + while (s[0] != '\0') + { + struct wchar_range range; + wchar_range_get(&s, &range); + if (range.last == 0) + { + error("invalid hex number(s) in LESSUTFCHARDEF", NULL_PARG); + quit(QUIT_ERROR); + } + if (*s++ != ':') + { + error("missing colon in LESSUTFCHARDEF", NULL_PARG); + quit(QUIT_ERROR); + } + switch (*s++) + { + case 'b': + xbuf_add_data(&user_ubin_array, (unsigned char *) &range, sizeof(range)); + break; + case 'c': + xbuf_add_data(&user_compose_array, (unsigned char *) &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)); + break; + case 'p': case '.': + xbuf_add_data(&user_prt_array, (unsigned char *) &range, sizeof(range)); + break; + case '\0': + s--; + break; + default: + /* Ignore unknown character attribute. */ + break; + } + if (s[0] == ',') ++s; + } + } + wchar_range_table_set(&user_wide_table, &user_wide_array); + wchar_range_table_set(&user_ubin_table, &user_ubin_array); + wchar_range_table_set(&user_compose_table, &user_compose_array); + wchar_range_table_set(&user_prt_table, &user_prt_array); +} /* * Define a charset, given a description string. @@ -138,9 +241,7 @@ public int binattr = AT_STANDOUT|AT_COLOR_BIN; * b binary character * c control character */ - static void -ichardef(s) - char *s; +static void ichardef(char *s) { char *cp; int n; @@ -165,10 +266,12 @@ ichardef(s) case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': - n = (10 * n) + (s[-1] - '0'); + if (ckd_mul(&n, n, 10) || ckd_add(&n, n, s[-1] - '0')) + goto invalid_chardef; continue; default: + invalid_chardef: error("invalid chardef", NULL_PARG); quit(QUIT_ERROR); /*NOTREACHED*/ @@ -195,10 +298,7 @@ ichardef(s) * Define a charset, given a charset name. * The valid charset names are listed in the "charsets" array. */ - static int -icharset(name, no_error) - char *name; - int no_error; +static int icharset(char *name, int no_error) { struct charset *p; struct cs_alias *a; @@ -244,8 +344,7 @@ icharset(name, no_error) /* * Define a charset, given a locale name. */ - static void -ilocale(VOID_PARAM) +static void ilocale(void) { int c; @@ -264,12 +363,7 @@ ilocale(VOID_PARAM) /* * Define the printing format for control (or binary utf) chars. */ - public void -setfmt(s, fmtvarptr, attrptr, default_fmt) - char *s; - char **fmtvarptr; - int *attrptr; - char *default_fmt; +public void setfmt(char *s, char **fmtvarptr, int *attrptr, char *default_fmt, int for_printf) { *** 14546 LINES SKIPPED ***