sync to 1.7.20: like for the -man case, add an nchild counter to the -mdoc

nodes, simplifying the validation code; no functional change

1 files changed, 6 insertions, 6 deletions

diff --git a/usr.bin/mandoc/mdoc_action.c b/usr.bin/mandoc/mdoc_action.c
index fec391c47c4..0dfe3f53303 100644
--- a/usr.bin/mandoc/mdoc_action.c
+++ b/usr.bin/mandoc/mdoc_action.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_action.c,v 1.7 2009/06/21 19:40:15 schwarze Exp $ */
+/*	$Id: mdoc_action.c,v 1.8 2009/06/23 23:02:54 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -658,11 +658,9 @@ post_bl_head(POST_ARGS)
 	 * column field.  Then, delete the head children.
 	 */
 
-	for (i = 0, nn = m->last->child; nn; nn = nn->next, i++)
-		/* Count children. */;
-
-	n->args->argv[c].sz = (size_t)i;
-	n->args->argv[c].value = malloc((size_t)i * sizeof(char *));
+	n->args->argv[c].sz = (size_t)m->last->nchild;
+	n->args->argv[c].value = malloc
+		((size_t)m->last->nchild * sizeof(char *));
 
 	for (i = 0, nn = m->last->child; nn; i++) {
 		n->args->argv[c].value[i] = nn->string;
@@ -672,7 +670,9 @@ post_bl_head(POST_ARGS)
 		mdoc_node_free(nnp);
 	}
 
+	m->last->nchild = 0;
 	m->last->child = NULL;
+
 	return(1);
 }