Migrate .An to use a pointer to its data, like everybody else.

In preparation for a simpler ref-counted system for node data.
From kristaps@.

4 files changed, 17 insertions, 11 deletions

diff --git a/usr.bin/mandoc/mdoc.c b/usr.bin/mandoc/mdoc.c
index 214a752b94c..f904ea1297b 100644
--- a/usr.bin/mandoc/mdoc.c
+++ b/usr.bin/mandoc/mdoc.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc.c,v 1.72 2010/12/21 23:46:17 schwarze Exp $ */
+/*	$Id: mdoc.c,v 1.73 2010/12/21 23:57:31 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
@@ -538,6 +538,9 @@ mdoc_node_free(struct mdoc_node *p)
 	if (MDOC_Bf == p->tok && MDOC_HEAD == p->type)
 		if (p->data.Bf)
 			free(p->data.Bf);
+	if (MDOC_An == p->tok)
+		if (p->data.An)
+			free(p->data.An);
 	if (MDOC_TS == p->tok && MDOC_BLOCK == p->type)
 		if (p->data.TS)
 			tbl_free(p->data.TS);
diff --git a/usr.bin/mandoc/mdoc.h b/usr.bin/mandoc/mdoc.h
index b8510c9f625..58743e37deb 100644
--- a/usr.bin/mandoc/mdoc.h
+++ b/usr.bin/mandoc/mdoc.h
@@ -1,4 +1,4 @@
-/*	$Id: mdoc.h,v 1.37 2010/12/21 23:46:18 schwarze Exp $ */
+/*	$Id: mdoc.h,v 1.38 2010/12/21 23:57:31 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -361,7 +361,7 @@ struct	mdoc_an {
  * provided, etc.
  */
 union mdoc_data {
-	struct mdoc_an 	  An;
+	struct mdoc_an 	 *An;
 	struct mdoc_bd	 *Bd;
 	struct mdoc_bf	 *Bf;
 	struct mdoc_bl	 *Bl;
diff --git a/usr.bin/mandoc/mdoc_term.c b/usr.bin/mandoc/mdoc_term.c
index 2f05c4bc607..4889626530f 100644
--- a/usr.bin/mandoc/mdoc_term.c
+++ b/usr.bin/mandoc/mdoc_term.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_term.c,v 1.118 2010/12/21 23:46:18 schwarze Exp $ */
+/*	$Id: mdoc_term.c,v 1.119 2010/12/21 23:57:31 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
@@ -1116,10 +1116,10 @@ termp_an_post(DECL_ARGS)
 		return;
 	}
 
-	if (AUTH_split == n->data.An.auth) {
+	if (AUTH_split == n->data.An->auth) {
 		p->flags &= ~TERMP_NOSPLIT;
 		p->flags |= TERMP_SPLIT;
-	} else if (AUTH_nosplit == n->data.An.auth) {
+	} else if (AUTH_nosplit == n->data.An->auth) {
 		p->flags &= ~TERMP_SPLIT;
 		p->flags |= TERMP_NOSPLIT;
 	}
diff --git a/usr.bin/mandoc/mdoc_validate.c b/usr.bin/mandoc/mdoc_validate.c
index 9d22a0f9b65..ca03cf6166a 100644
--- a/usr.bin/mandoc/mdoc_validate.c
+++ b/usr.bin/mandoc/mdoc_validate.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_validate.c,v 1.79 2010/12/21 23:46:18 schwarze Exp $ */
+/*	$Id: mdoc_validate.c,v 1.80 2010/12/21 23:57:31 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -908,6 +908,9 @@ pre_an(PRE_ARGS)
 {
 	int		 i;
 
+	assert(NULL == n->data.An);
+	n->data.An = mandoc_calloc(1, sizeof(struct mdoc_an));
+
 	if (NULL == n->args)
 		return(1);
 	
@@ -916,9 +919,9 @@ pre_an(PRE_ARGS)
 			n->args->argv[i].pos, MANDOCERR_IGNARGV);
 
 	if (MDOC_Split == n->args->argv[0].arg)
-		n->data.An.auth = AUTH_split;
+		n->data.An->auth = AUTH_split;
 	else if (MDOC_Nosplit == n->args->argv[0].arg)
-		n->data.An.auth = AUTH_nosplit;
+		n->data.An->auth = AUTH_nosplit;
 	else
 		abort();
 
@@ -1251,14 +1254,14 @@ post_an(POST_ARGS)
 	struct mdoc_node *np;
 
 	np = mdoc->last;
-	if (AUTH__NONE != np->data.An.auth && np->child)
+	if (AUTH__NONE != np->data.An->auth && np->child)
 		return(eerr_eq0(mdoc));
 
 	/* 
 	 * FIXME: make this ewarn and make sure that the front-ends
 	 * don't print the arguments.
 	 */
-	if (AUTH__NONE != np->data.An.auth || np->child)
+	if (AUTH__NONE != np->data.An->auth || np->child)
 		return(1);
 
 	mdoc_nmsg(mdoc, np, MANDOCERR_NOARGS);