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📄 INSTALL(6.86 KB)
📄 LICENSE(2.46 KB)
📄 Makefile(15.29 KB)
📄 Makefile.depend(5.65 KB)
📄 NEWS(60.04 KB)
📄 TODO(23.98 KB)
📄 apropos.1(10.66 KB)
📄 arch.c(1.94 KB)
📄 att.c(1.62 KB)
📄 catman.8(4.49 KB)
📄 catman.c(5.52 KB)
📄 cgi.c(27.06 KB)
📄 cgi.h.example(220 B)
📄 chars.c(13.24 KB)
📄 compat_err.c(2.68 KB)
📄 compat_fts.c(17.42 KB)
📄 compat_fts.h(4.09 KB)
📄 compat_getline.c(1.59 KB)
📄 compat_getsubopt.c(2.89 KB)
📄 compat_isblank.c(986 B)
📄 compat_mkdtemp.c(1.59 KB)
📄 compat_ohash.c(6.82 KB)
📄 compat_ohash.h(2.63 KB)
📄 compat_progname.c(1.05 KB)
📄 compat_reallocarray.c(1.49 KB)
📄 compat_recallocarray.c(2.88 KB)
📄 compat_strcasestr.c(2.38 KB)
📄 compat_stringlist.c(2.71 KB)
📄 compat_stringlist.h(1.73 KB)
📄 compat_strlcat.c(1.71 KB)
📄 compat_strlcpy.c(1.59 KB)
📄 compat_strndup.c(1.3 KB)
📄 compat_strsep.c(2.55 KB)
📄 compat_strtonum.c(1.88 KB)
📄 compat_vasprintf.c(1.55 KB)
📄 config.h(1.33 KB)
📄 configure(17.5 KB)
📄 configure.local.example(11.37 KB)
📄 dba.c(13.02 KB)
📄 dba.h(1.73 KB)
📄 dba_array.c(4.23 KB)
📄 dba_array.h(2 KB)
📄 dba_read.c(2.33 KB)
📄 dba_write.c(2.42 KB)
📄 dba_write.h(1.23 KB)
📄 dbm.c(9.28 KB)
📄 dbm.h(1.94 KB)
📄 dbm_map.c(4.67 KB)
📄 dbm_map.h(1.2 KB)
📄 demandoc.1(2.64 KB)
📄 demandoc.c(5.21 KB)
📄 eqn.7(12.07 KB)
📄 eqn.c(27.21 KB)
📄 eqn.h(2.19 KB)
📄 eqn_html.c(5.91 KB)
📄 eqn_parse.h(1.96 KB)
📄 eqn_term.c(4.83 KB)
📄 gmdiff(1.74 KB)
📄 html.c(19.34 KB)
📄 html.h(3.86 KB)
📄 lib.c(1.07 KB)
📄 lib.in(8.96 KB)
📄 libman.h(1.66 KB)
📄 libmandoc.h(3.21 KB)
📄 libmdoc.h(2.97 KB)
📄 main.c(28.93 KB)
📄 main.h(2.06 KB)
📄 makewhatis.8(4.78 KB)
📄 man-cgi.css(464 B)
📄 man.1(9.33 KB)
📄 man.7(16.8 KB)
📄 man.c(8.62 KB)
📄 man.cgi.3(7.83 KB)
📄 man.cgi.8(11.02 KB)
📄 man.conf.5(3.92 KB)
📄 man.h(991 B)
📄 man.options.1(21.05 KB)
📄 man_html.c(13.39 KB)
📄 man_macro.c(11.4 KB)
📄 man_term.c(25.6 KB)
📄 man_validate.c(11.84 KB)
📄 manconf.h(1.56 KB)
📄 mandoc.1(54.89 KB)
📄 mandoc.3(12.5 KB)
📄 mandoc.c(12.41 KB)
📄 mandoc.css(8.63 KB)
📄 mandoc.db.5(5.74 KB)
📄 mandoc.h(14.92 KB)
📄 mandoc_aux.c(2.42 KB)
📄 mandoc_aux.h(1.31 KB)
📄 mandoc_char.7(29.23 KB)
📄 mandoc_escape.3(9.33 KB)
📄 mandoc_headers.3(12.41 KB)
📄 mandoc_html.3(7.42 KB)
📄 mandoc_malloc.3(4.46 KB)
📄 mandoc_msg.c(8.92 KB)
📄 mandoc_ohash.c(1.58 KB)
📄 mandoc_ohash.h(1004 B)
📄 mandoc_parse.h(1.82 KB)
📄 mandoc_xr.c(2.75 KB)
📄 mandoc_xr.h(1.17 KB)
📄 mandocd.8(4.59 KB)
📄 mandocd.c(5.98 KB)
📄 mandocdb.c(55.16 KB)
📄 manpath.c(7.73 KB)
📄 manpath.h(1.22 KB)
📄 mansearch.3(3.26 KB)
📄 mansearch.c(18.99 KB)
📄 mansearch.h(4.03 KB)
📄 mchars_alloc.3(5.24 KB)
📄 mdoc.7(73.34 KB)
📄 mdoc.c(9.99 KB)
📄 mdoc.h(3.96 KB)
📄 mdoc_argv.c(16.19 KB)
📄 mdoc_html.c(36.48 KB)
📄 mdoc_macro.c(39.55 KB)
📄 mdoc_man.c(37.07 KB)
📄 mdoc_markdown.c(33.41 KB)
📄 mdoc_state.c(5.24 KB)
📄 mdoc_term.c(43.69 KB)
📄 mdoc_validate.c(61.85 KB)
📄 msec.c(1.09 KB)
📄 msec.in(1.48 KB)
📄 out.c(13.61 KB)
📄 out.h(2.26 KB)
📄 preconv.c(3.84 KB)
📄 predefs.in(2.05 KB)
📄 read.c(16.44 KB)
📄 roff.7(61.96 KB)
📄 roff.c(98.93 KB)
📄 roff.h(8.85 KB)
📄 roff_html.c(2.92 KB)
📄 roff_int.h(4.08 KB)
📄 roff_term.c(5.36 KB)
📄 roff_validate.c(3.41 KB)
📄 soelim.1(2.6 KB)
📄 soelim.c(3.76 KB)
📄 st.c(4.33 KB)
📄 tag.c(6.65 KB)
📄 tag.h(1.09 KB)
📄 tbl.3(6.9 KB)
📄 tbl.7(10.91 KB)
📄 tbl.c(3.89 KB)
📄 tbl.h(4.43 KB)
📄 tbl_data.c(7.3 KB)
📄 tbl_html.c(5.74 KB)
📄 tbl_int.h(2.09 KB)
📄 tbl_layout.c(8.06 KB)
📄 tbl_opts.c(3.77 KB)
📄 tbl_parse.h(1.31 KB)
📄 tbl_term.c(24.42 KB)
📄 term.c(24.4 KB)
📄 term.h(6.14 KB)
📄 term_ascii.c(9.88 KB)
📄 term_ps.c(27.41 KB)
📄 term_tab.c(3 KB)
📄 test-EFTYPE.c(56 B)
📄 test-O_DIRECTORY.c(88 B)
📄 test-PATH_MAX.c(1.02 KB)
📄 test-be32toh.c(147 B)
📄 test-cmsg.c(174 B)
📄 test-dirent-namlen.c(124 B)
📄 test-err.c(994 B)
📄 test-fgetln.c(147 B)
📄 test-fts.c(964 B)
📄 test-getline.c(186 B)
📄 test-getsubopt.c(1.31 KB)
📄 test-isblank.c(96 B)
📄 test-mkdtemp.c(175 B)
📄 test-nanosleep.c(239 B)
📄 test-noop.c(30 B)
📄 test-ntohl.c(91 B)
📄 test-ohash.c(585 B)
📄 test-pledge.c(73 B)
📄 test-progname.c(118 B)
📄 test-reallocarray.c(75 B)
📄 test-recallocarray.c(132 B)
📄 test-recvmsg.c(100 B)
📄 test-rewb-bsd.c(618 B)
📄 test-rewb-sysv.c(610 B)
📄 test-sandbox_init.c(186 B)
📄 test-strcasestr.c(131 B)
📄 test-stringlist.c(1.14 KB)
📄 test-strlcat.c(166 B)
📄 test-strlcpy.c(148 B)
📄 test-strndup.c(141 B)
📄 test-strptime.c(212 B)
📄 test-strsep.c(183 B)
📄 test-strtonum.c(1.25 KB)
📄 test-vasprintf.c(1.25 KB)
📄 test-wchar.c(1.58 KB)
📄 tree.c(8.17 KB)

Editing: man.c

/*	$Id: man.c,v 1.187 2019/01/05 00:36:50 schwarze Exp $ */
/*
 * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 * Copyright (c) 2013-2015, 2017-2019 Ingo Schwarze <schwarze@openbsd.org>
 * Copyright (c) 2011 Joerg Sonnenberger <joerg@netbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
#include "config.h"

#include <sys/types.h>

#include <assert.h>
#include <ctype.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include "mandoc_aux.h"
#include "mandoc.h"
#include "roff.h"
#include "man.h"
#include "libmandoc.h"
#include "roff_int.h"
#include "libman.h"

static	char		*man_hasc(char *);
static	int		 man_ptext(struct roff_man *, int, char *, int);
static	int		 man_pmacro(struct roff_man *, int, char *, int);

int
man_parseln(struct roff_man *man, int ln, char *buf, int offs)
{

if (man->last->type != ROFFT_EQN || ln > man->last->line)
		man->flags |= MAN_NEWLINE;

return roff_getcontrol(man->roff, buf, &offs) ?
	    man_pmacro(man, ln, buf, offs) :
	    man_ptext(man, ln, buf, offs);
}

/*
 * If the string ends with \c, return a pointer to the backslash.
 * Otherwise, return NULL.
 */
static char *
man_hasc(char *start)
{
	char	*cp, *ep;

ep = strchr(start, '\0') - 2;
	if (ep < start || ep[0] != '\\' || ep[1] != 'c')
		return NULL;
	for (cp = ep; cp > start; cp--)
		if (cp[-1] != '\\')
			break;
	return (ep - cp) % 2 ? NULL : ep;
}

void
man_descope(struct roff_man *man, int line, int offs, char *start)
{
	/* Trailing \c keeps next-line scope open. */

if (start != NULL && man_hasc(start) != NULL)
		return;

/*
	 * Co-ordinate what happens with having a next-line scope open:
	 * first close out the element scopes (if applicable),
	 * then close out the block scope (also if applicable).
	 */

if (man->flags & MAN_ELINE) {
		while (man->last->parent->type != ROFFT_ROOT &&
		    man_macro(man->last->parent->tok)->flags & MAN_ESCOPED)
			man_unscope(man, man->last->parent);
		man->flags &= ~MAN_ELINE;
	}
	if ( ! (man->flags & MAN_BLINE))
		return;
	man_unscope(man, man->last->parent);
	roff_body_alloc(man, line, offs, man->last->tok);
	man->flags &= ~(MAN_BLINE | ROFF_NONOFILL);
}

static int
man_ptext(struct roff_man *man, int line, char *buf, int offs)
{
	int		 i;
	char		*ep;

/* In no-fill mode, whitespace is preserved on text lines. */

if (man->flags & ROFF_NOFILL) {
		roff_word_alloc(man, line, offs, buf + offs);
		man_descope(man, line, offs, buf + offs);
		return 1;
	}

for (i = offs; buf[i] == ' '; i++)
		/* Skip leading whitespace. */ ;

/*
	 * Blank lines are ignored in next line scope
	 * and right after headings and cancel preceding \c,
	 * but add a single vertical space elsewhere.
	 */

if (buf[i] == '\0') {
		if (man->flags & (MAN_ELINE | MAN_BLINE)) {
			mandoc_msg(MANDOCERR_BLK_BLANK, line, 0, NULL);
			return 1;
		}
		if (man->last->tok == MAN_SH || man->last->tok == MAN_SS)
			return 1;
		if (man->last->type == ROFFT_TEXT &&
		    ((ep = man_hasc(man->last->string)) != NULL)) {
			*ep = '\0';
			return 1;
		}
		roff_elem_alloc(man, line, offs, ROFF_sp);
		man->next = ROFF_NEXT_SIBLING;
		return 1;
	}

/*
	 * Warn if the last un-escaped character is whitespace. Then
	 * strip away the remaining spaces (tabs stay!).
	 */

i = (int)strlen(buf);
	assert(i);

if (' ' == buf[i - 1] || '\t' == buf[i - 1]) {
		if (i > 1 && '\\' != buf[i - 2])
			mandoc_msg(MANDOCERR_SPACE_EOL, line, i - 1, NULL);

for (--i; i && ' ' == buf[i]; i--)
			/* Spin back to non-space. */ ;

/* Jump ahead of escaped whitespace. */
		i += '\\' == buf[i] ? 2 : 1;

buf[i] = '\0';
	}
	roff_word_alloc(man, line, offs, buf + offs);

/*
	 * End-of-sentence check.  If the last character is an unescaped
	 * EOS character, then flag the node as being the end of a
	 * sentence.  The front-end will know how to interpret this.
	 */

assert(i);
	if (mandoc_eos(buf, (size_t)i))
		man->last->flags |= NODE_EOS;

man_descope(man, line, offs, buf + offs);
	return 1;
}

static int
man_pmacro(struct roff_man *man, int ln, char *buf, int offs)
{
	struct roff_node *n;
	const char	*cp;
	size_t		 sz;
	enum roff_tok	 tok;
	int		 ppos;
	int		 bline;

/* Determine the line macro. */

ppos = offs;
	tok = TOKEN_NONE;
	for (sz = 0; sz < 4 && strchr(" \t\\", buf[offs]) == NULL; sz++)
		offs++;
	if (sz > 0 && sz < 4)
		tok = roffhash_find(man->manmac, buf + ppos, sz);
	if (tok == TOKEN_NONE) {
		mandoc_msg(MANDOCERR_MACRO, ln, ppos, "%s", buf + ppos - 1);
		return 1;
	}

/* Skip a leading escape sequence or tab. */

switch (buf[offs]) {
	case '\\':
		cp = buf + offs + 1;
		mandoc_escape(&cp, NULL, NULL);
		offs = cp - buf;
		break;
	case '\t':
		offs++;
		break;
	default:
		break;
	}

/* Jump to the next non-whitespace word. */

while (buf[offs] == ' ')
		offs++;

/*
	 * Trailing whitespace.  Note that tabs are allowed to be passed
	 * into the parser as "text", so we only warn about spaces here.
	 */

if (buf[offs] == '\0' && buf[offs - 1] == ' ')
		mandoc_msg(MANDOCERR_SPACE_EOL, ln, offs - 1, NULL);

/*
	 * Some macros break next-line scopes; otherwise, remember
	 * whether we are in next-line scope for a block head.
	 */

man_breakscope(man, tok);
	bline = man->flags & MAN_BLINE;

/*
	 * If the line in next-line scope ends with \c, keep the
	 * next-line scope open for the subsequent input line.
	 * That is not at all portable, only groff >= 1.22.4
	 * does it, but *if* this weird idiom occurs in a manual
	 * page, that's very likely what the author intended.
	 */

if (bline && man_hasc(buf + offs))
		bline = 0;

/* Call to handler... */

(*man_macro(tok)->fp)(man, tok, ln, ppos, &offs, buf);

/* In quick mode (for mandocdb), abort after the NAME section. */

if (man->quick && tok == MAN_SH) {
		n = man->last;
		if (n->type == ROFFT_BODY &&
		    strcmp(n->prev->child->string, "NAME"))
			return 2;
	}

/*
	 * If we are in a next-line scope for a block head,
	 * close it out now and switch to the body,
	 * unless the next-line scope is allowed to continue.
	 */

if (bline == 0 ||
	    (man->flags & MAN_BLINE) == 0 ||
	    man->flags & MAN_ELINE ||
	    man_macro(tok)->flags & MAN_NSCOPED)
		return 1;

man_unscope(man, man->last->parent);
	roff_body_alloc(man, ln, ppos, man->last->tok);
	man->flags &= ~(MAN_BLINE | ROFF_NONOFILL);
	return 1;
}

void
man_breakscope(struct roff_man *man, int tok)
{
	struct roff_node *n;

/*
	 * An element next line scope is open,
	 * and the new macro is not allowed inside elements.
	 * Delete the element that is being broken.
	 */

if (man->flags & MAN_ELINE && (tok < MAN_TH ||
	    (man_macro(tok)->flags & MAN_NSCOPED) == 0)) {
		n = man->last;
		if (n->type == ROFFT_TEXT)
			n = n->parent;
		if (n->tok < MAN_TH ||
		    (man_macro(n->tok)->flags & (MAN_NSCOPED | MAN_ESCOPED))
		     == MAN_NSCOPED)
			n = n->parent;

mandoc_msg(MANDOCERR_BLK_LINE, n->line, n->pos,
		    "%s breaks %s", roff_name[tok], roff_name[n->tok]);

roff_node_delete(man, n);
		man->flags &= ~MAN_ELINE;
	}

/*
	 * Weird special case:
	 * Switching fill mode closes section headers.
	 */

if (man->flags & MAN_BLINE &&
	    (tok == ROFF_nf || tok == ROFF_fi) &&
	    (man->last->tok == MAN_SH || man->last->tok == MAN_SS)) {
		n = man->last;
		man_unscope(man, n);
		roff_body_alloc(man, n->line, n->pos, n->tok);
		man->flags &= ~(MAN_BLINE | ROFF_NONOFILL);
	}

/*
	 * A block header next line scope is open,
	 * and the new macro is not allowed inside block headers.
	 * Delete the block that is being broken.
	 */

if (man->flags & MAN_BLINE && tok != ROFF_nf && tok != ROFF_fi &&
	    (tok < MAN_TH || man_macro(tok)->flags & MAN_XSCOPE)) {
		n = man->last;
		if (n->type == ROFFT_TEXT)
			n = n->parent;
		if (n->tok < MAN_TH ||
		    (man_macro(n->tok)->flags & MAN_XSCOPE) == 0)
			n = n->parent;

assert(n->type == ROFFT_HEAD);
		n = n->parent;
		assert(n->type == ROFFT_BLOCK);
		assert(man_macro(n->tok)->flags & MAN_BSCOPED);

mandoc_msg(MANDOCERR_BLK_LINE, n->line, n->pos,
		    "%s breaks %s", roff_name[tok], roff_name[n->tok]);

roff_node_delete(man, n);
		man->flags &= ~(MAN_BLINE | ROFF_NONOFILL);
	}
}

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Editing: man.c

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