Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/mandoc/man_validate.c	Lines:	164	198	82.8 %
Date:	2017-11-07	Branches:	124	174	71.3 %


/*	$OpenBSD: man_validate.c,v 1.104 2017/07/26 10:33:02 schwarze Exp $ */
/*
 * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 * Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.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 <sys/types.h>

#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <limits.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

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

#define	CHKARGS	  struct roff_man *man, struct roff_node *n

typedef	void	(*v_check)(CHKARGS);

static	void	  check_par(CHKARGS);
static	void	  check_part(CHKARGS);
static	void	  check_root(CHKARGS);
static	void	  check_text(CHKARGS);

static	void	  post_AT(CHKARGS);
static	void	  post_IP(CHKARGS);
static	void	  post_OP(CHKARGS);
static	void	  post_TH(CHKARGS);
static	void	  post_UC(CHKARGS);
static	void	  post_UR(CHKARGS);
static	void	  post_in(CHKARGS);
static	void	  post_vs(CHKARGS);

static	const v_check __man_valids[MAN_MAX - MAN_TH] = {
	post_TH,    /* TH */
	NULL,       /* SH */
	NULL,       /* SS */
	NULL,       /* TP */
	check_par,  /* LP */
	check_par,  /* PP */
	check_par,  /* P */
	post_IP,    /* IP */
	NULL,       /* HP */
	NULL,       /* SM */
	NULL,       /* SB */
	NULL,       /* BI */
	NULL,       /* IB */
	NULL,       /* BR */
	NULL,       /* RB */
	NULL,       /* R */
	NULL,       /* B */
	NULL,       /* I */
	NULL,       /* IR */
	NULL,       /* RI */
	NULL,       /* nf */
	NULL,       /* fi */
	NULL,       /* RE */
	check_part, /* RS */
	NULL,       /* DT */
	post_UC,    /* UC */
	NULL,       /* PD */
	post_AT,    /* AT */
	post_in,    /* in */
	post_OP,    /* OP */
	NULL,       /* EX */
	NULL,       /* EE */
	post_UR,    /* UR */
	NULL,       /* UE */
	post_UR,    /* MT */
	NULL,       /* ME */
};
static	const v_check *man_valids = __man_valids - MAN_TH;


void
man_node_validate(struct roff_man *man)
{
	struct roff_node *n;
	const v_check	 *cp;

	n = man->last;
	man->last = man->last->child;
	while (man->last != NULL) {
		man_node_validate(man);
		if (man->last == n)
			man->last = man->last->child;
		else
			man->last = man->last->next;
	}

	man->last = n;
	man->next = ROFF_NEXT_SIBLING;
	switch (n->type) {
	case ROFFT_TEXT:
		check_text(man, n);
		break;
	case ROFFT_ROOT:
		check_root(man, n);
		break;
	case ROFFT_EQN:
	case ROFFT_TBL:
		break;
	default:
		if (n->tok < ROFF_MAX) {
			switch (n->tok) {
			case ROFF_br:
			case ROFF_sp:
				post_vs(man, n);
				break;
			default:
				roff_validate(man);
				break;
			}
			break;
		}
		assert(n->tok >= MAN_TH && n->tok < MAN_MAX);
		cp = man_valids + n->tok;
		if (*cp)
			(*cp)(man, n);
		if (man->last == n)
			man_state(man, n);
		break;
	}
}

static void
check_root(CHKARGS)
{

	assert((man->flags & (MAN_BLINE | MAN_ELINE)) == 0);

	if (NULL == man->first->child)
		mandoc_msg(MANDOCERR_DOC_EMPTY, man->parse,
		    n->line, n->pos, NULL);
	else
		man->meta.hasbody = 1;

	if (NULL == man->meta.title) {
		mandoc_msg(MANDOCERR_TH_NOTITLE, man->parse,
		    n->line, n->pos, NULL);

		/*
		 * If a title hasn't been set, do so now (by
		 * implication, date and section also aren't set).
		 */

		man->meta.title = mandoc_strdup("");
		man->meta.msec = mandoc_strdup("");
		man->meta.date = man->quick ? mandoc_strdup("") :
		    mandoc_normdate(man, NULL, n->line, n->pos);
	}

	if (man->meta.os_e &&
	    (man->meta.rcsids & (1 << man->meta.os_e)) == 0)
		mandoc_msg(MANDOCERR_RCS_MISSING, man->parse, 0, 0,
		    man->meta.os_e == MANDOC_OS_OPENBSD ?
		    "(OpenBSD)" : "(NetBSD)");
}

static void
check_text(CHKARGS)
{
	char		*cp, *p;

	if (MAN_LITERAL & man->flags)
		return;

	cp = n->string;
	for (p = cp; NULL != (p = strchr(p, '\t')); p++)
		mandoc_msg(MANDOCERR_FI_TAB, man->parse,
		    n->line, n->pos + (p - cp), NULL);
}

static void
post_OP(CHKARGS)
{

	if (n->child == NULL)
		mandoc_msg(MANDOCERR_OP_EMPTY, man->parse,
		    n->line, n->pos, "OP");
	else if (n->child->next != NULL && n->child->next->next != NULL) {
		n = n->child->next->next;
		mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse,
		    n->line, n->pos, "OP ... %s", n->string);
	}
}

static void
post_UR(CHKARGS)
{
	if (n->type == ROFFT_HEAD && n->child == NULL)
		mandoc_msg(MANDOCERR_UR_NOHEAD, man->parse,
		    n->line, n->pos, roff_name[n->tok]);
	check_part(man, n);
}

static void
check_part(CHKARGS)
{

	if (n->type == ROFFT_BODY && n->child == NULL)
		mandoc_msg(MANDOCERR_BLK_EMPTY, man->parse,
		    n->line, n->pos, roff_name[n->tok]);
}

static void
check_par(CHKARGS)
{

	switch (n->type) {
	case ROFFT_BLOCK:
		if (n->body->child == NULL)
			roff_node_delete(man, n);
		break;
	case ROFFT_BODY:
		if (n->child == NULL)
			mandoc_vmsg(MANDOCERR_PAR_SKIP,
			    man->parse, n->line, n->pos,
			    "%s empty", roff_name[n->tok]);
		break;
	case ROFFT_HEAD:
		if (n->child != NULL)
			mandoc_vmsg(MANDOCERR_ARG_SKIP,
			    man->parse, n->line, n->pos, "%s %s%s",
			    roff_name[n->tok], n->child->string,
			    n->child->next != NULL ? " ..." : "");
		break;
	default:
		break;
	}
}

static void
post_IP(CHKARGS)
{

	switch (n->type) {
	case ROFFT_BLOCK:
		if (n->head->child == NULL && n->body->child == NULL)
			roff_node_delete(man, n);
		break;
	case ROFFT_BODY:
		if (n->parent->head->child == NULL && n->child == NULL)
			mandoc_vmsg(MANDOCERR_PAR_SKIP,
			    man->parse, n->line, n->pos,
			    "%s empty", roff_name[n->tok]);
		break;
	default:
		break;
	}
}

static void
post_TH(CHKARGS)
{
	struct roff_node *nb;
	const char	*p;

	free(man->meta.title);
	free(man->meta.vol);
	free(man->meta.os);
	free(man->meta.msec);
	free(man->meta.date);

	man->meta.title = man->meta.vol = man->meta.date =
	    man->meta.msec = man->meta.os = NULL;

	nb = n;

	/* ->TITLE<- MSEC DATE OS VOL */

	n = n->child;
	if (n && n->string) {
		for (p = n->string; '\0' != *p; p++) {
			/* Only warn about this once... */
			if (isalpha((unsigned char)*p) &&
			    ! isupper((unsigned char)*p)) {
				mandoc_vmsg(MANDOCERR_TITLE_CASE,
				    man->parse, n->line,
				    n->pos + (p - n->string),
				    "TH %s", n->string);
				break;
			}
		}
		man->meta.title = mandoc_strdup(n->string);
	} else {
		man->meta.title = mandoc_strdup("");
		mandoc_msg(MANDOCERR_TH_NOTITLE, man->parse,
		    nb->line, nb->pos, "TH");
	}

	/* TITLE ->MSEC<- DATE OS VOL */

	if (n)
		n = n->next;
	if (n && n->string)
		man->meta.msec = mandoc_strdup(n->string);
	else {
		man->meta.msec = mandoc_strdup("");
		mandoc_vmsg(MANDOCERR_MSEC_MISSING, man->parse,
		    nb->line, nb->pos, "TH %s", man->meta.title);
	}

	/* TITLE MSEC ->DATE<- OS VOL */

	if (n)
		n = n->next;
	if (n && n->string && '\0' != n->string[0]) {
		man->meta.date = man->quick ?
		    mandoc_strdup(n->string) :
		    mandoc_normdate(man, n->string, n->line, n->pos);
	} else {
		man->meta.date = mandoc_strdup("");
		mandoc_msg(MANDOCERR_DATE_MISSING, man->parse,
		    n ? n->line : nb->line,
		    n ? n->pos : nb->pos, "TH");
	}

	/* TITLE MSEC DATE ->OS<- VOL */

	if (n && (n = n->next))
		man->meta.os = mandoc_strdup(n->string);
	else if (man->os_s != NULL)
		man->meta.os = mandoc_strdup(man->os_s);
	if (man->meta.os_e == MANDOC_OS_OTHER && man->meta.os != NULL) {
		if (strstr(man->meta.os, "OpenBSD") != NULL)
			man->meta.os_e = MANDOC_OS_OPENBSD;
		else if (strstr(man->meta.os, "NetBSD") != NULL)
			man->meta.os_e = MANDOC_OS_NETBSD;
	}

	/* TITLE MSEC DATE OS ->VOL<- */
	/* If missing, use the default VOL name for MSEC. */

	if (n && (n = n->next))
		man->meta.vol = mandoc_strdup(n->string);
	else if ('\0' != man->meta.msec[0] &&
	    (NULL != (p = mandoc_a2msec(man->meta.msec))))
		man->meta.vol = mandoc_strdup(p);

	if (n != NULL && (n = n->next) != NULL)
		mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse,
		    n->line, n->pos, "TH ... %s", n->string);

	/*
	 * Remove the `TH' node after we've processed it for our
	 * meta-data.
	 */
	roff_node_delete(man, man->last);
}

static void
post_UC(CHKARGS)
{
	static const char * const bsd_versions[] = {
	    "3rd Berkeley Distribution",
	    "4th Berkeley Distribution",
	    "4.2 Berkeley Distribution",
	    "4.3 Berkeley Distribution",
	    "4.4 Berkeley Distribution",
	};

	const char	*p, *s;

	n = n->child;

	if (n == NULL || n->type != ROFFT_TEXT)
		p = bsd_versions[0];
	else {
		s = n->string;
		if (0 == strcmp(s, "3"))
			p = bsd_versions[0];
		else if (0 == strcmp(s, "4"))
			p = bsd_versions[1];
		else if (0 == strcmp(s, "5"))
			p = bsd_versions[2];
		else if (0 == strcmp(s, "6"))
			p = bsd_versions[3];
		else if (0 == strcmp(s, "7"))
			p = bsd_versions[4];
		else
			p = bsd_versions[0];
	}

	free(man->meta.os);
	man->meta.os = mandoc_strdup(p);
}

static void
post_AT(CHKARGS)
{
	static const char * const unix_versions[] = {
	    "7th Edition",
	    "System III",
	    "System V",
	    "System V Release 2",
	};

	struct roff_node *nn;
	const char	*p, *s;

	n = n->child;

	if (n == NULL || n->type != ROFFT_TEXT)
		p = unix_versions[0];
	else {
		s = n->string;
		if (0 == strcmp(s, "3"))
			p = unix_versions[0];
		else if (0 == strcmp(s, "4"))
			p = unix_versions[1];
		else if (0 == strcmp(s, "5")) {
			nn = n->next;
			if (nn != NULL &&
			    nn->type == ROFFT_TEXT &&
			    nn->string[0] != '\0')
				p = unix_versions[3];
			else
				p = unix_versions[2];
		} else
			p = unix_versions[0];
	}

	free(man->meta.os);
	man->meta.os = mandoc_strdup(p);
}

static void
post_in(CHKARGS)
{
	char	*s;

	if (n->parent->tok != MAN_TP ||
	    n->parent->type != ROFFT_HEAD ||
	    n->child == NULL ||
	    *n->child->string == '+' ||
	    *n->child->string == '-')
		return;
	mandoc_asprintf(&s, "+%s", n->child->string);
	free(n->child->string);
	n->child->string = s;
}

static void
post_vs(CHKARGS)
{

	if (NULL != n->prev)
		return;

	switch (n->parent->tok) {
	case MAN_SH:
	case MAN_SS:
	case MAN_PP:
	case MAN_LP:
	case MAN_P:
		mandoc_vmsg(MANDOCERR_PAR_SKIP, man->parse, n->line, n->pos,
		    "%s after %s", roff_name[n->tok],
		    roff_name[n->parent->tok]);
		/* FALLTHROUGH */
	case TOKEN_NONE:
		/*
		 * Don't warn about this because it occurs in pod2man
		 * and would cause considerable (unfixable) warnage.
		 */
		roff_node_delete(man, n);
		break;
	default:
		break;
	}
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: man_validate.c,v 1.104 2017/07/26 10:33:02 schwarze Exp $ */
2			/*
3			* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4			* Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org>
5			*
6			* Permission to use, copy, modify, and distribute this software for any
7			* purpose with or without fee is hereby granted, provided that the above
8			* copyright notice and this permission notice appear in all copies.
9			*
10			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
11			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
13			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14			* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15			* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16			* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17			*/
18			#include <sys/types.h>
19
20			#include <assert.h>
21			#include <ctype.h>
22			#include <errno.h>
23			#include <limits.h>
24			#include <stdarg.h>
25			#include <stdlib.h>
26			#include <string.h>
27			#include <time.h>
28
29			#include "mandoc_aux.h"
30			#include "mandoc.h"
31			#include "roff.h"
32			#include "man.h"
33			#include "libmandoc.h"
34			#include "roff_int.h"
35			#include "libman.h"
36
37			#define CHKARGS struct roff_man man, struct roff_node n
38
39			typedef void (*v_check)(CHKARGS);
40
41			static void check_par(CHKARGS);
42			static void check_part(CHKARGS);
43			static void check_root(CHKARGS);
44			static void check_text(CHKARGS);
45
46			static void post_AT(CHKARGS);
47			static void post_IP(CHKARGS);
48			static void post_OP(CHKARGS);
49			static void post_TH(CHKARGS);
50			static void post_UC(CHKARGS);
51			static void post_UR(CHKARGS);
52			static void post_in(CHKARGS);
53			static void post_vs(CHKARGS);
54
55			static const v_check __man_valids[MAN_MAX - MAN_TH] = {
56			post_TH, /* TH */
57			NULL, /* SH */
58			NULL, /* SS */
59			NULL, /* TP */
60			check_par, /* LP */
61			check_par, /* PP */
62			check_par, /* P */
63			post_IP, /* IP */
64			NULL, /* HP */
65			NULL, /* SM */
66			NULL, /* SB */
67			NULL, /* BI */
68			NULL, /* IB */
69			NULL, /* BR */
70			NULL, /* RB */
71			NULL, /* R */
72			NULL, /* B */
73			NULL, /* I */
74			NULL, /* IR */
75			NULL, /* RI */
76			NULL, /* nf */
77			NULL, /* fi */
78			NULL, /* RE */
79			check_part, /* RS */
80			NULL, /* DT */
81			post_UC, /* UC */
82			NULL, /* PD */
83			post_AT, /* AT */
84			post_in, /* in */
85			post_OP, /* OP */
86			NULL, /* EX */
87			NULL, /* EE */
88			post_UR, /* UR */
89			NULL, /* UE */
90			post_UR, /* MT */
91			NULL, /* ME */
92			};
93			static const v_check *man_valids = __man_valids - MAN_TH;
94
95
96			void
97			man_node_validate(struct roff_man *man)
98			{
99			struct roff_node *n;
100			const v_check *cp;
101
102		4518046	n = man->last;
103		2259023	man->last = man->last->child;
104	✓✓	6769990	while (man->last != NULL) {
105		2251944	man_node_validate(man);
106	✓✓	2251944	if (man->last == n)
107		9860	man->last = man->last->child;
108			else
109		2242084	man->last = man->last->next;
110			}
111
112		4380238	man->last = n;
113		4380238	man->next = ROFF_NEXT_SIBLING;
114	✓✓✓✗ ✓	4380238	switch (n->type) {
115			case ROFFT_TEXT:
116		1220044	check_text(man, n);
117		1220044	break;
118			case ROFFT_ROOT:
119		7079	check_root(man, n);
120		7079	break;
121			case ROFFT_EQN:
122			case ROFFT_TBL:
123			break;
124			default:
125	✓✓	1024155	if (n->tok < ROFF_MAX) {
126	✗✓✓	130063	switch (n->tok) {
127			case ROFF_br:
128			case ROFF_sp:
129		60577	post_vs(man, n);
130		60577	break;
131			default:
132		69486	roff_validate(man);
133		69486	break;
134			}
135			break;
136			}
137	✓✗✗✓	1788184	assert(n->tok >= MAN_TH && n->tok < MAN_MAX);
138		894092	cp = man_valids + n->tok;
139	✓✓	894092	if (*cp)
140		615202	(*cp)(man, n);
141	✓✓	894092	if (man->last == n)
142		886630	man_state(man, n);
143			break;
144			}
145		2259023	}
146
147			static void
148			check_root(CHKARGS)
149			{
150
151	✗✓	14158	assert((man->flags & (MAN_BLINE \| MAN_ELINE)) == 0);
152
153	✓✓	7079	if (NULL == man->first->child)
154		56	mandoc_msg(MANDOCERR_DOC_EMPTY, man->parse,
155		28	n->line, n->pos, NULL);
156			else
157		7051	man->meta.hasbody = 1;
158
159	✓✓	7079	if (NULL == man->meta.title) {
160		20	mandoc_msg(MANDOCERR_TH_NOTITLE, man->parse,
161		10	n->line, n->pos, NULL);
162
163			/*
164			* If a title hasn't been set, do so now (by
165			* implication, date and section also aren't set).
166			*/
167
168		10	man->meta.title = mandoc_strdup("");
169		10	man->meta.msec = mandoc_strdup("");
170	✗✓	30	man->meta.date = man->quick ? mandoc_strdup("") :
171		10	mandoc_normdate(man, NULL, n->line, n->pos);
172		10	}
173
174	✓✓✓✓	10976	if (man->meta.os_e &&
175		3897	(man->meta.rcsids & (1 << man->meta.os_e)) == 0)
176		3762	mandoc_msg(MANDOCERR_RCS_MISSING, man->parse, 0, 0,
177		1881	man->meta.os_e == MANDOC_OS_OPENBSD ?
178			"(OpenBSD)" : "(NetBSD)");
179		7079	}
180
181			static void
182			check_text(CHKARGS)
183			{
184			char cp, p;
185
186	✓✓	2440088	if (MAN_LITERAL & man->flags)
187		246749	return;
188
189		973295	cp = n->string;
190	✓✓	1948330	for (p = cp; NULL != (p = strchr(p, '\t')); p++)
191		1740	mandoc_msg(MANDOCERR_FI_TAB, man->parse,
192		870	n->line, n->pos + (p - cp), NULL);
193		2193339	}
194
195			static void
196			post_OP(CHKARGS)
197			{
198
199	✓✓	144	if (n->child == NULL)
200		36	mandoc_msg(MANDOCERR_OP_EMPTY, man->parse,
201		18	n->line, n->pos, "OP");
202	✓✓✓✓	90	else if (n->child->next != NULL && n->child->next->next != NULL) {
203			n = n->child->next->next;
204		36	mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse,
205		18	n->line, n->pos, "OP ... %s", n->string);
206		18	}
207		72	}
208
209			static void
210			post_UR(CHKARGS)
211			{
212	✓✓✓✓	1764	if (n->type == ROFFT_HEAD && n->child == NULL)
213		72	mandoc_msg(MANDOCERR_UR_NOHEAD, man->parse,
214		36	n->line, n->pos, roff_name[n->tok]);
215		756	check_part(man, n);
216		756	}
217
218			static void
219			check_part(CHKARGS)
220			{
221
222	✓✓✓✓	74942	if (n->type == ROFFT_BODY && n->child == NULL)
223		7416	mandoc_msg(MANDOCERR_BLK_EMPTY, man->parse,
224		3708	n->line, n->pos, roff_name[n->tok]);
225		32118	}
226
227			static void
228			check_par(CHKARGS)
229			{
230
231	✓✓✓✓	750987	switch (n->type) {
232			case ROFFT_BLOCK:
233	✓✓	83443	if (n->body->child == NULL)
234		354	roff_node_delete(man, n);
235			break;
236			case ROFFT_BODY:
237	✓✓	83443	if (n->child == NULL)
238		354	mandoc_vmsg(MANDOCERR_PAR_SKIP,
239		354	man->parse, n->line, n->pos,
240		354	"%s empty", roff_name[n->tok]);
241			break;
242			case ROFFT_HEAD:
243	✓✓	83443	if (n->child != NULL)
244		55	mandoc_vmsg(MANDOCERR_ARG_SKIP,
245		55	man->parse, n->line, n->pos, "%s %s%s",
246		55	roff_name[n->tok], n->child->string,
247		55	n->child->next != NULL ? " ..." : "");
248			break;
249			default:
250			break;
251			}
252		250329	}
253
254			static void
255			post_IP(CHKARGS)
256			{
257
258	✓✓✓	866312	switch (n->type) {
259			case ROFFT_BLOCK:
260	✓✓✓✓	108835	if (n->head->child == NULL && n->body->child == NULL)
261		39	roff_node_delete(man, n);
262			break;
263			case ROFFT_BODY:
264	✓✓✓✓	108835	if (n->parent->head->child == NULL && n->child == NULL)
265		39	mandoc_vmsg(MANDOCERR_PAR_SKIP,
266		39	man->parse, n->line, n->pos,
267		39	"%s empty", roff_name[n->tok]);
268			break;
269			default:
270			break;
271			}
272		324867	}
273
274			static void
275			post_TH(CHKARGS)
276			{
277			struct roff_node *nb;
278			const char *p;
279
280		14138	free(man->meta.title);
281		7069	free(man->meta.vol);
282		7069	free(man->meta.os);
283		7069	free(man->meta.msec);
284		7069	free(man->meta.date);
285
286		7069	man->meta.title = man->meta.vol = man->meta.date =
287		7069	man->meta.msec = man->meta.os = NULL;
288
289			nb = n;
290
291			/* ->TITLE<- MSEC DATE OS VOL */
292
293		7069	n = n->child;
294	✓✓✓✗	14120	if (n && n->string) {
295	✓✓	118142	for (p = n->string; '\0' != *p; p++) {
296			/* Only warn about this once... */
297	✓✓✓✓	101615	if (isalpha((unsigned char)*p) &&
298		47317	! isupper((unsigned char)*p)) {
299		2278	mandoc_vmsg(MANDOCERR_TITLE_CASE,
300		2278	man->parse, n->line,
301		2278	n->pos + (p - n->string),
302			"TH %s", n->string);
303		2278	break;
304			}
305			}
306		7051	man->meta.title = mandoc_strdup(n->string);
307		7051	} else {
308		18	man->meta.title = mandoc_strdup("");
309		36	mandoc_msg(MANDOCERR_TH_NOTITLE, man->parse,
310		18	nb->line, nb->pos, "TH");
311			}
312
313			/* TITLE ->MSEC<- DATE OS VOL */
314
315	✓✓	7069	if (n)
316		7051	n = n->next;
317	✓✓✓✗	14084	if (n && n->string)
318		7015	man->meta.msec = mandoc_strdup(n->string);
319			else {
320		54	man->meta.msec = mandoc_strdup("");
321		108	mandoc_vmsg(MANDOCERR_MSEC_MISSING, man->parse,
322		54	nb->line, nb->pos, "TH %s", man->meta.title);
323			}
324
325			/* TITLE MSEC ->DATE<- OS VOL */
326
327	✓✓	7069	if (n)
328		7015	n = n->next;
329	✓✓✓✗ ✓✓	21085	if (n && n->string && '\0' != n->string[0]) {
330	✗✓	19917	man->meta.date = man->quick ?
331			mandoc_strdup(n->string) :
332		6639	mandoc_normdate(man, n->string, n->line, n->pos);
333		6639	} else {
334		430	man->meta.date = mandoc_strdup("");
335		860	mandoc_msg(MANDOCERR_DATE_MISSING, man->parse,
336		430	n ? n->line : nb->line,
337			n ? n->pos : nb->pos, "TH");
338			}
339
340			/* TITLE MSEC DATE ->OS<- VOL */
341
342	✓✓✓✓	14077	if (n && (n = n->next))
343		4646	man->meta.os = mandoc_strdup(n->string);
344	✓✓	2423	else if (man->os_s != NULL)
345		1998	man->meta.os = mandoc_strdup(man->os_s);
346	✓✗✓✓	20782	if (man->meta.os_e == MANDOC_OS_OTHER && man->meta.os != NULL) {
347	✓✓	6644	if (strstr(man->meta.os, "OpenBSD") != NULL)
348		3897	man->meta.os_e = MANDOC_OS_OPENBSD;
349	✗✓	2747	else if (strstr(man->meta.os, "NetBSD") != NULL)
350			man->meta.os_e = MANDOC_OS_NETBSD;
351			}
352
353			/* TITLE MSEC DATE OS ->VOL<- */
354			/* If missing, use the default VOL name for MSEC. */
355
356	✓✓✓✓	11715	if (n && (n = n->next))
357		4481	man->meta.vol = mandoc_strdup(n->string);
358	✓✓✓✗	5122	else if ('\0' != man->meta.msec[0] &&
359		2534	(NULL != (p = mandoc_a2msec(man->meta.msec))))
360		2534	man->meta.vol = mandoc_strdup(p);
361
362	✓✓✓✓	11550	if (n != NULL && (n = n->next) != NULL)
363		36	mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse,
364		18	n->line, n->pos, "TH ... %s", n->string);
365
366			/*
367			* Remove the `TH' node after we've processed it for our
368			* meta-data.
369			*/
370		7069	roff_node_delete(man, man->last);
371		7069	}
372
373			static void
374			post_UC(CHKARGS)
375			{
376			static const char * const bsd_versions[] = {
377			"3rd Berkeley Distribution",
378			"4th Berkeley Distribution",
379			"4.2 Berkeley Distribution",
380			"4.3 Berkeley Distribution",
381			"4.4 Berkeley Distribution",
382			};
383
384			const char p, s;
385
386			n = n->child;
387
388			if (n == NULL \|\| n->type != ROFFT_TEXT)
389			p = bsd_versions[0];
390			else {
391			s = n->string;
392			if (0 == strcmp(s, "3"))
393			p = bsd_versions[0];
394			else if (0 == strcmp(s, "4"))
395			p = bsd_versions[1];
396			else if (0 == strcmp(s, "5"))
397			p = bsd_versions[2];
398			else if (0 == strcmp(s, "6"))
399			p = bsd_versions[3];
400			else if (0 == strcmp(s, "7"))
401			p = bsd_versions[4];
402			else
403			p = bsd_versions[0];
404			}
405
406			free(man->meta.os);
407			man->meta.os = mandoc_strdup(p);
408			}
409
410			static void
411			post_AT(CHKARGS)
412			{
413			static const char * const unix_versions[] = {
414			"7th Edition",
415			"System III",
416			"System V",
417			"System V Release 2",
418			};
419
420			struct roff_node *nn;
421			const char p, s;
422
423			n = n->child;
424
425			if (n == NULL \|\| n->type != ROFFT_TEXT)
426			p = unix_versions[0];
427			else {
428			s = n->string;
429			if (0 == strcmp(s, "3"))
430			p = unix_versions[0];
431			else if (0 == strcmp(s, "4"))
432			p = unix_versions[1];
433			else if (0 == strcmp(s, "5")) {
434			nn = n->next;
435			if (nn != NULL &&
436			nn->type == ROFFT_TEXT &&
437			nn->string[0] != '\0')
438			p = unix_versions[3];
439			else
440			p = unix_versions[2];
441			} else
442			p = unix_versions[0];
443			}
444
445			free(man->meta.os);
446			man->meta.os = mandoc_strdup(p);
447			}
448
449			static void
450			post_in(CHKARGS)
451			{
452		1494	char *s;
453
454	✓✓✗✓	756	if (n->parent->tok != MAN_TP \|\|
455	✓✓	51	n->parent->type != ROFFT_HEAD \|\|
456	✓✗	9	n->child == NULL \|\|
457	✓✗	9	*n->child->string == '+' \|\|
458		9	*n->child->string == '-')
459		738	return;
460		9	mandoc_asprintf(&s, "+%s", n->child->string);
461		9	free(n->child->string);
462		9	n->child->string = s;
463		756	}
464
465			static void
466			post_vs(CHKARGS)
467			{
468
469	✓✓	121154	if (NULL != n->prev)
470			return;
471
472	✗✗✗✗ ✓✓✓	58836	switch (n->parent->tok) {
473			case MAN_SH:
474			case MAN_SS:
475			case MAN_PP:
476			case MAN_LP:
477			case MAN_P:
478		736	mandoc_vmsg(MANDOCERR_PAR_SKIP, man->parse, n->line, n->pos,
479		368	"%s after %s", roff_name[n->tok],
480		368	roff_name[n->parent->tok]);
481			/* FALLTHROUGH */
482			case TOKEN_NONE:
483			/*
484			* Don't warn about this because it occurs in pod2man
485			* and would cause considerable (unfixable) warnage.
486			*/
487		2771	roff_node_delete(man, n);
488		2771	break;
489			default:
490			break;
491			}
492		60577	}