mdocml: Have pity on the poor stack.

[schwarze@mdocml.bsd.lv]

Log Message:
-----------
Have pity on the poor stack.
Replace tail recursion by iteration when walking the syntax trees.
No functional change.

Modified Files:
--------------
    mdocml:
        man_html.c
        man_term.c
        mdoc_html.c
        mdoc_term.c

Revision Data
-------------
Index: mdoc_term.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/mdoc_term.c,v
retrieving revision 1.303
retrieving revision 1.304
diff -Lmdoc_term.c -Lmdoc_term.c -u -p -r1.303 -r1.304
--- mdoc_term.c
+++ mdoc_term.c
@@ -291,9 +291,10 @@ static void
 print_mdoc_nodelist(DECL_ARGS)
 {
 
-	print_mdoc_node(p, pair, meta, n);
-	if (n->next)
-		print_mdoc_nodelist(p, pair, meta, n->next);
+	while (n != NULL) {
+		print_mdoc_node(p, pair, meta, n);
+		n = n->next;
+	}
 }
 
 static void
Index: man_term.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/man_term.c,v
retrieving revision 1.167
retrieving revision 1.168
diff -Lman_term.c -Lman_term.c -u -p -r1.167 -r1.168
--- man_term.c
+++ man_term.c
@@ -1,7 +1,7 @@
 /*	$Id$ */
 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2015 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
@@ -1007,10 +1007,10 @@ static void
 print_man_nodelist(DECL_ARGS)
 {
 
-	print_man_node(p, mt, n, meta);
-	if ( ! n->next)
-		return;
-	print_man_nodelist(p, mt, n->next, meta);
+	while (n != NULL) {
+		print_man_node(p, mt, n, meta);
+		n = n->next;
+	}
 }
 
 static void
Index: man_html.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/man_html.c,v
retrieving revision 1.109
retrieving revision 1.110
diff -Lman_html.c -Lman_html.c -u -p -r1.109 -r1.110
--- man_html.c
+++ man_html.c
@@ -1,7 +1,7 @@
 /*	$Id$ */
 /*
  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2013, 2014, 2015 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
@@ -192,9 +192,10 @@ static void
 print_man_nodelist(MAN_ARGS)
 {
 
-	print_man_node(man, n, mh, h);
-	if (n->next)
-		print_man_nodelist(man, n->next, mh, h);
+	while (n != NULL) {
+		print_man_node(man, n, mh, h);
+		n = n->next;
+	}
 }
 
 static void
Index: mdoc_html.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/mdoc_html.c,v
retrieving revision 1.219
retrieving revision 1.220
diff -Lmdoc_html.c -Lmdoc_html.c -u -p -r1.219 -r1.220
--- mdoc_html.c
+++ mdoc_html.c
@@ -371,9 +371,10 @@ static void
 print_mdoc_nodelist(MDOC_ARGS)
 {
 
-	print_mdoc_node(meta, n, h);
-	if (n->next)
-		print_mdoc_nodelist(meta, n->next, h);
+	while (n != NULL) {
+		print_mdoc_node(meta, n, h);
+		n = n->next;
+	}
 }
 
 static void
--
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