Memory leak, some mdoc(7) conformities.

4 files changed, 160 insertions, 94 deletions

diff --git a/macro.c b/macro.c
index 499d017d..d15ad3df 100644
--- a/macro.c
+++ b/macro.c
@@ -1,4 +1,4 @@
-/* $Id: macro.c,v 1.23 2009/01/05 17:57:08 kristaps Exp $ */
+/* $Id: macro.c,v 1.24 2009/01/06 15:49:44 kristaps Exp $ */
 /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -35,6 +35,17 @@ static	int	  rewind_expblock(struct mdoc *, int, int, int);
 static	int	  rewind_head(struct mdoc *, int, int);
 static	int	  rewind_body(struct mdoc *, int, int, int);
 static	int	  append_delims(struct mdoc *, int, int *, char *);
+static	int	  lookup(struct mdoc *, int, const char *);
+
+
+static int
+lookup(struct mdoc *mdoc, int from, const char *p)
+{
+
+	if ( ! (MDOC_PARSED & mdoc_macros[from].flags))
+		return(MDOC_MAX);
+	return(mdoc_find(mdoc, p));
+}
 
 
 static int
@@ -292,7 +303,7 @@ macro_close_explicit(MACRO_PROT_ARGS)
 		if (ARGS_EOLN == c)
 			break;
 
-		if (MDOC_MAX != (c = mdoc_find(mdoc, p))) {
+		if (MDOC_MAX != (c = lookup(mdoc, tok, p))) {
 			if ( ! flushed) {
 				if ( ! rewind_expblock(mdoc, ppos, tok, tt))
 					return(0);
@@ -383,7 +394,7 @@ macro_text(MACRO_PROT_ARGS)
 		if (ARGS_PUNCT == c)
 			break;
 
-		if (MDOC_MAX != (c = mdoc_find(mdoc, p))) {
+		if (MDOC_MAX != (c = lookup(mdoc, tok, p))) {
 			if ( ! rewind_elem(mdoc, ppos, tok)) {
 				mdoc_argv_free(argc, argv);
 				return(0);
@@ -426,8 +437,9 @@ macro_text(MACRO_PROT_ARGS)
 int
 macro_scoped(MACRO_PROT_ARGS)
 {
-	int		  c, lastarg, argc;
+	int		  c, lastarg, argc, j;
 	struct mdoc_arg	  argv[MDOC_LINEARG_MAX];
+	char		 *p;
 
 	assert ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags));
 
@@ -458,22 +470,45 @@ macro_scoped(MACRO_PROT_ARGS)
 
 	mdoc_argv_free(argc, argv);
 
-	/* XXX - Assumes header isn't parsed! */
-
-	if (0 != buf[*pos]) {
-		mdoc_head_alloc(mdoc, ppos, tok);
+	if (0 == buf[*pos]) {
+		mdoc_body_alloc(mdoc, ppos, tok);
 		mdoc->next = MDOC_NEXT_CHILD;
+		return(1);
+	}
 
-		mdoc_word_alloc(mdoc, lastarg, &buf[*pos]);
-		mdoc->next = MDOC_NEXT_SIBLING;
+	mdoc_head_alloc(mdoc, ppos, tok);
+	mdoc->next = MDOC_NEXT_CHILD;
 
-		if ( ! rewind_head(mdoc, ppos, tok))
+	for (j = 0; j < MDOC_LINEARG_MAX; j++) {
+		lastarg = *pos;
+		c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p);
+	
+		if (ARGS_ERROR == c)
 			return(0);
+		if (ARGS_PUNCT == c)
+			break;
+		if (ARGS_EOLN == c)
+			break;
+	
+		if (MDOC_MAX == (c = lookup(mdoc, tok, p))) {
+			mdoc_word_alloc(mdoc, lastarg, p);
+			mdoc->next = MDOC_NEXT_SIBLING;
+			continue;
+		}
 
-		while (buf[*pos])
-			(*pos)++;
+		if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf))
+			return(0);
+		break;
 	}
 
+	if (j == MDOC_LINEARG_MAX)
+		return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
+
+	if ( ! rewind_head(mdoc, ppos, tok))
+		return(0);
+	if (1 == ppos && ! append_delims(mdoc, tok, pos, buf))
+		return(0);
+
 	mdoc_body_alloc(mdoc, ppos, tok);
 	mdoc->next = MDOC_NEXT_CHILD;
 
@@ -516,7 +551,7 @@ macro_scoped_line(MACRO_PROT_ARGS)
 		if (ARGS_EOLN == c)
 			break;
 
-		if (MDOC_MAX == (c = mdoc_find(mdoc, p))) {
+		if (MDOC_MAX == (c = lookup(mdoc, tok, p))) {
 			mdoc_word_alloc(mdoc, lastarg, p);
 			mdoc->next = MDOC_NEXT_SIBLING;
 			continue;
@@ -591,7 +626,7 @@ macro_constant_scoped(MACRO_PROT_ARGS)
 		if (ARGS_EOLN == c)
 			break;
 
-		if (MDOC_MAX != (c = mdoc_find(mdoc, p))) {
+		if (MDOC_MAX != (c = lookup(mdoc, tok, p))) {
 			if ( ! flushed) {
 				if ( ! rewind_head(mdoc, ppos, tok))
 					return(0);
@@ -641,7 +676,8 @@ macro_constant_scoped(MACRO_PROT_ARGS)
 int
 macro_constant_delimited(MACRO_PROT_ARGS)
 {
-	int		  lastarg, flushed, j, c, maxargs;
+	int		  lastarg, flushed, j, c, maxargs, argc;
+	struct mdoc_arg	  argv[MDOC_LINEARG_MAX];
 	char		 *p;
 
 	lastarg = ppos;
@@ -653,6 +689,8 @@ macro_constant_delimited(MACRO_PROT_ARGS)
 	case (MDOC_Ns):
 		/* FALLTHROUGH */
 	case (MDOC_Ux):
+		/* FALLTHROUGH */
+	case (MDOC_St):
 		maxargs = 0;
 		break;
 	default:
@@ -660,9 +698,27 @@ macro_constant_delimited(MACRO_PROT_ARGS)
 		break;
 	}
 
-	mdoc_elem_alloc(mdoc, lastarg, tok, 0, NULL);
+	for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) {
+		lastarg = *pos;
+		c = mdoc_argv(mdoc, tok, &argv[argc], pos, buf);
+		if (ARGV_EOLN == c || ARGV_WORD == c)
+			break;
+		else if (ARGV_ARG == c)
+			continue;
+		mdoc_argv_free(argc, argv);
+		return(0);
+	}
+
+	if ( ! mdoc_valid_pre(mdoc, tok, ppos, argc, argv)) {
+		mdoc_argv_free(argc, argv);
+		return(0);
+	}
+
+	mdoc_elem_alloc(mdoc, lastarg, tok, argc, argv);
 	mdoc->next = MDOC_NEXT_CHILD;
 
+	mdoc_argv_free(argc, argv);
+
 	for (j = 0; j < MDOC_LINEARG_MAX; j++) {
 		lastarg = *pos;
 
@@ -680,7 +736,7 @@ macro_constant_delimited(MACRO_PROT_ARGS)
 		if (ARGS_EOLN == c)
 			break;
 
-		if (MDOC_MAX != (c = mdoc_find(mdoc, p))) {
+		if (MDOC_MAX != (c = lookup(mdoc, tok, p))) {
 			if ( ! flushed && ! rewind_elem(mdoc, ppos, tok))
 				return(0);
 			flushed = 1;
@@ -722,6 +778,9 @@ macro_constant(MACRO_PROT_ARGS)
 	struct mdoc_arg	 argv[MDOC_LINEARG_MAX];
 	char		*p;
 
+	/*assert( ! (MDOC_PARSED & mdoc_macros[tok].flags));*/
+	/*FIXME*/
+
 	fl = 0;
 	if (MDOC_QUOTABLE & mdoc_macros[tok].flags)
 		fl = ARGS_QUOTED;
diff --git a/mdoc.c b/mdoc.c
index 3781f0c0..657638d7 100644
--- a/mdoc.c
+++ b/mdoc.c
@@ -1,4 +1,4 @@
-/* $Id: mdoc.c,v 1.18 2009/01/05 17:57:08 kristaps Exp $ */
+/* $Id: mdoc.c,v 1.19 2009/01/06 15:49:44 kristaps Exp $ */
 /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -91,99 +91,102 @@ const	struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
 	{ macro_scoped, 0 }, /* Sh */
 	{ macro_scoped, 0 }, /* Ss */ 
 	{ macro_text, 0 }, /* Pp */ 
-	{ macro_scoped_line, 0 }, /* D1 */
-	{ macro_scoped_line, 0 }, /* Dl */
+	{ macro_scoped_line, MDOC_PARSED }, /* D1 */
+	{ macro_scoped_line, MDOC_PARSED }, /* Dl */
 	{ macro_scoped, MDOC_EXPLICIT }, /* Bd */
 	{ macro_close_explicit, 0 }, /* Ed */
 	{ macro_scoped, MDOC_EXPLICIT }, /* Bl */
 	{ macro_close_explicit, 0 }, /* El */
-	{ macro_scoped, MDOC_NESTED }, /* It */
-	{ macro_text, MDOC_CALLABLE }, /* Ad */ 
-	{ macro_constant, 0 }, /* An */ 
-	{ macro_text, MDOC_CALLABLE }, /* Ar */
+	{ macro_scoped, MDOC_NESTED | MDOC_PARSED }, /* It */
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */ 
+	{ macro_constant, MDOC_PARSED }, /* An */
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
 	{ macro_constant, MDOC_QUOTABLE }, /* Cd */
-	{ macro_text, MDOC_CALLABLE }, /* Cm */
-	{ macro_text, MDOC_CALLABLE }, /* Dv */ 
-	{ macro_text, MDOC_CALLABLE }, /* Er */ 
-	{ macro_text, MDOC_CALLABLE }, /* Ev */ 
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */ 
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Er */ 
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */ 
 	{ macro_constant, 0 }, /* Ex */
-	{ macro_text, MDOC_CALLABLE | MDOC_QUOTABLE }, /* Fa */ 
+	{ macro_text, MDOC_CALLABLE | MDOC_QUOTABLE | MDOC_PARSED }, /* Fa */ 
 	{ macro_constant, 0 }, /* Fd */ 
-	{ macro_text, MDOC_CALLABLE }, /* Fl */
-	{ macro_text, MDOC_CALLABLE | MDOC_QUOTABLE }, /* Fn */ 
-	{ macro_text, 0 }, /* Ft */ 
-	{ macro_text, MDOC_CALLABLE }, /* Ic */ 
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
+	{ macro_text, MDOC_CALLABLE | MDOC_QUOTABLE | MDOC_PARSED }, /* Fn */ 
+	{ macro_text, MDOC_PARSED }, /* Ft */ 
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */ 
 	{ macro_constant, 0 }, /* In */ 
-	{ macro_text, MDOC_CALLABLE }, /* Li */
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Li */
 	{ macro_constant, 0 }, /* Nd */ 
-	{ macro_text, MDOC_CALLABLE }, /* Nm */ 
-	{ macro_scoped_line, MDOC_CALLABLE }, /* Op */
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ 
+	{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
 	{ macro_obsolete, 0 }, /* Ot */
-	{ macro_text, MDOC_CALLABLE }, /* Pa */
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
 	{ macro_constant, 0 }, /* Rv */
-	{ macro_constant, 0 }, /* St */
-	{ macro_text, MDOC_CALLABLE }, /* Va */
-	{ macro_text, MDOC_CALLABLE }, /* Vt */ 
-	{ macro_text, MDOC_CALLABLE }, /* Xr */
-	{ macro_constant, MDOC_QUOTABLE }, /* %A */
-	{ macro_constant, MDOC_QUOTABLE }, /* %B */
+	/* XXX - supposed to be (but isn't) callable. */
+	{ macro_constant_delimited, MDOC_PARSED }, /* St */ 
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ 
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
+	{ macro_constant, MDOC_QUOTABLE | MDOC_PARSED }, /* %A */
+	{ macro_constant, MDOC_QUOTABLE | MDOC_PARSED }, /* %B */
 	{ macro_constant, MDOC_QUOTABLE }, /* %D */
-	{ macro_constant, MDOC_QUOTABLE }, /* %I */
-	{ macro_constant, MDOC_QUOTABLE }, /* %J */
+	{ macro_constant, MDOC_QUOTABLE | MDOC_PARSED }, /* %I */
+	{ macro_constant, MDOC_QUOTABLE | MDOC_PARSED }, /* %J */
 	{ macro_constant, MDOC_QUOTABLE }, /* %N */
 	{ macro_constant, MDOC_QUOTABLE }, /* %O */
 	{ macro_constant, MDOC_QUOTABLE }, /* %P */
 	{ macro_constant, MDOC_QUOTABLE }, /* %R */
-	{ macro_constant, MDOC_QUOTABLE }, /* %T */
+	{ macro_constant, MDOC_QUOTABLE | MDOC_PARSED }, /* %T */
 	{ macro_constant, MDOC_QUOTABLE }, /* %V */
-	{ macro_close_explicit, MDOC_CALLABLE }, /* Ac */
-	{ macro_constant_scoped, MDOC_CALLABLE }, /* Ao */
-	{ macro_scoped_line, MDOC_CALLABLE }, /* Aq */
+	{ macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Ac */
+	{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Ao */
+	{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Aq */
 	{ macro_constant, 0 }, /* At */
-	{ macro_close_explicit, MDOC_CALLABLE }, /* Bc */
+	{ macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Bc */
 	{ macro_scoped, MDOC_EXPLICIT }, /* Bf */ 
-	{ macro_constant_scoped, MDOC_CALLABLE }, /* Bo */
-	{ macro_scoped_line, MDOC_CALLABLE }, /* Bq */
-	{ macro_constant_delimited, 0 }, /* Bsx */
-	{ macro_constant_delimited, 0 }, /* Bx */
+	{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Bo */
+	{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Bq */
+	{ macro_constant_delimited, MDOC_PARSED }, /* Bsx */
+	{ macro_constant_delimited, MDOC_PARSED }, /* Bx */
 	{ macro_constant, 0 }, /* Db */
-	{ macro_close_explicit, MDOC_CALLABLE }, /* Dc */
-	{ macro_constant_scoped, MDOC_CALLABLE }, /* Do */
-	{ macro_scoped_line, MDOC_CALLABLE }, /* Dq */
-	{ macro_close_explicit, MDOC_CALLABLE }, /* Ec */
+	{ macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Dc */
+	{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Do */
+	{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dq */
+	{ macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Ec */
 	{ macro_close_explicit, 0 }, /* Ef */
-	{ macro_text, MDOC_CALLABLE }, /* Em */ 
-	{ macro_constant_scoped, MDOC_CALLABLE }, /* Eo */
-	{ macro_constant_delimited, 0 }, /* Fx */
-	{ macro_text, 0 }, /* Ms */
-	{ macro_constant_delimited, MDOC_CALLABLE }, /* No */
-	{ macro_constant_delimited, MDOC_CALLABLE }, /* Ns */
-	{ macro_constant_delimited, 0 }, /* Nx */
-	{ macro_constant_delimited, 0 }, /* Ox */
-	{ macro_close_explicit, MDOC_CALLABLE }, /* Pc */
-	{ macro_constant, 0 }, /* Pf */
-	{ macro_constant_scoped, MDOC_CALLABLE }, /* Po */
-	{ macro_scoped_line, MDOC_CALLABLE }, /* Pq */
-	{ macro_close_explicit, MDOC_CALLABLE }, /* Qc */
-	{ macro_scoped_line, MDOC_CALLABLE }, /* Ql */
-	{ macro_constant_scoped, MDOC_CALLABLE }, /* Qo */
-	{ macro_scoped_line, MDOC_CALLABLE }, /* Qq */
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Em */ 
+	{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Eo */
+	{ macro_constant_delimited, MDOC_PARSED }, /* Fx */
+	{ macro_text, MDOC_PARSED }, /* Ms */
+	{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* No */
+	{ macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */
+	{ macro_constant_delimited, MDOC_PARSED }, /* Nx */
+	{ macro_constant_delimited, MDOC_PARSED }, /* Ox */
+	{ macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Pc */
+	{ macro_constant, MDOC_PARSED }, /* Pf */
+	{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Po */
+	{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */
+	{ macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Qc */
+	{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ql */
+	{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Qo */
+	{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Qq */
 	{ macro_close_explicit, 0 }, /* Re */
 	{ macro_scoped, MDOC_EXPLICIT }, /* Rs */
-	{ macro_close_explicit, MDOC_CALLABLE }, /* Sc */
-	{ macro_constant_scoped, MDOC_CALLABLE }, /* So */
-	{ macro_scoped_line, MDOC_CALLABLE }, /* Sq */
+	{ macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Sc */
+	{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* So */
+	{ macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sq */
 	{ macro_constant, 0 }, /* Sm */
-	{ macro_text, MDOC_CALLABLE }, /* Sx */
-	{ macro_text, MDOC_CALLABLE }, /* Sy */
-	{ macro_text, MDOC_CALLABLE }, /* Tn */
-	{ macro_constant_delimited, 0 }, /* Ux */
-	{ macro_close_explicit, MDOC_CALLABLE }, /* Xc */
-	{ macro_constant_scoped, MDOC_CALLABLE }, /* Xo */
-	{ macro_scoped, MDOC_EXPLICIT }, /* Fo */ /* XXX - supposed to be (but isn't) callable. */
-	{ macro_close_explicit, 0 }, /* Fc */ /* XXX - supposed to be (but isn't) callable. */
-	{ macro_constant_scoped, MDOC_CALLABLE }, /* Oo */
-	{ macro_close_explicit, MDOC_CALLABLE }, /* Oc */
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sx */
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sy */
+	{ macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
+	{ macro_constant_delimited, MDOC_PARSED }, /* Ux */
+	{ macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
+	{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Xo */
+	/* XXX - .Fo supposed to be (but isn't) callable. */
+	{ macro_scoped, MDOC_EXPLICIT | MDOC_PARSED }, /* Fo */ 
+	/* XXX - .Fc supposed to be (but isn't) callable. */
+	{ macro_close_explicit, MDOC_PARSED }, /* Fc */ 
+	{ macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Oo */
+	{ macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Oc */
 	{ macro_scoped, MDOC_EXPLICIT }, /* Bk */
 	{ macro_close_explicit, 0 }, /* Ek */
 	{ macro_constant, 0 }, /* Bt */
@@ -556,6 +559,7 @@ argfree(size_t sz, struct mdoc_arg *p)
 			/* LINTED */
 			for (j = 0; j < (int)p[i].sz; j++)
 				free(p[i].value[j]);
+			free(p[i].value);
 		}
 	free(p);
 }
diff --git a/private.h b/private.h
index 051e22e7..89a73e2c 100644
--- a/private.h
+++ b/private.h
@@ -1,4 +1,4 @@
-/* $Id: private.h,v 1.55 2009/01/05 16:11:14 kristaps Exp $ */
+/* $Id: private.h,v 1.56 2009/01/06 15:49:44 kristaps Exp $ */
 /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -43,10 +43,11 @@ struct	mdoc_macro {
 	int	(*fp)(struct mdoc *, int, int, int *, char *);
 	int	  flags;
 #define	MDOC_CALLABLE	(1 << 0)
-#define	MDOC_EXPLICIT	(1 << 1)
-#define	MDOC_QUOTABLE	(1 << 2)
-#define	MDOC_PROLOGUE	(1 << 3)
-#define	MDOC_NESTED	(1 << 4)
+#define	MDOC_PARSED	(1 << 1)
+#define	MDOC_EXPLICIT	(1 << 2)
+#define	MDOC_QUOTABLE	(1 << 3)
+#define	MDOC_PROLOGUE	(1 << 4)
+#define	MDOC_NESTED	(1 << 5)
 };
 
 extern	const struct mdoc_macro *const mdoc_macros;
diff --git a/strings.c b/strings.c
index da83b555..3b10c770 100644
--- a/strings.c
+++ b/strings.c
@@ -1,4 +1,4 @@
-/* $Id: strings.c,v 1.4 2008/12/29 18:08:44 kristaps Exp $ */
+/* $Id: strings.c,v 1.5 2009/01/06 15:49:44 kristaps Exp $ */
 /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -133,6 +133,8 @@ mdoc_atotime(const char *p)
 {
 	struct tm	 tm;
 
+	(void)memset(&tm, 0, sizeof(struct tm));
+
 	if (strptime(p, "%b %d %Y", &tm))
 		return(mktime(&tm));
 	if (strptime(p, "%b %d, %Y", &tm))