1 files changed, 166 insertions, 0 deletions
diff --git a/3rdparty/openpgm-svn-r1085/pgm/slist.c b/3rdparty/openpgm-svn-r1085/pgm/slist.c
new file mode 100644
index 0000000..9ba68ea
--- /dev/null
+++ b/3rdparty/openpgm-svn-r1085/pgm/slist.c
@@ -0,0 +1,166 @@
+/* vim:ts=8:sts=8:sw=4:noai:noexpandtab
+ *
+ * portable singly-linked list.
+ *
+ * Copyright (c) 2010 Miru Limited.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <impl/framework.h>
+
+
+//#define SLIST_DEBUG
+
+pgm_slist_t*
+pgm_slist_append (
+	pgm_slist_t* restrict list,
+	void*	     restrict data
+	)
+{
+	pgm_slist_t* new_list;
+	pgm_slist_t* last;
+
+	new_list = pgm_new (pgm_slist_t, 1);
+	new_list->data = data;
+	new_list->next = NULL;
+
+	if (list)
+	{
+		last = pgm_slist_last (list);
+		last->next = new_list;
+		return list;
+	}
+	else
+		return new_list;
+}
+
+pgm_slist_t*
+pgm_slist_prepend (
+	pgm_slist_t* restrict list,
+	void*	     restrict data
+	)
+{
+	pgm_slist_t *new_list;
+
+	new_list = pgm_new (pgm_slist_t, 1);
+	new_list->data = data;
+	new_list->next = list;
+
+	return new_list;
+}
+
+pgm_slist_t*
+pgm_slist_prepend_link (
+	pgm_slist_t* restrict list,
+	pgm_slist_t* restrict link_
+	)
+{
+	pgm_slist_t *new_list;
+
+	new_list = link_;
+	new_list->next = list;
+
+	return new_list;
+}
+
+pgm_slist_t*
+pgm_slist_remove (
+	pgm_slist_t* restrict list,
+	const void*  restrict data
+	)
+{
+	pgm_slist_t *tmp = list, *prev = NULL;
+
+	while (tmp)
+	{
+		if (tmp->data == data)
+		{
+			if (prev)
+				prev->next = tmp->next;
+			else
+				list = tmp->next;
+			pgm_free (tmp);
+			break;
+		}
+		prev = tmp;
+		tmp = prev->next;
+	}
+
+	return list;
+}
+
+pgm_slist_t* 
+pgm_slist_remove_first (
+	pgm_slist_t*	list
+	)
+{
+	pgm_slist_t *tmp;
+
+	if (PGM_LIKELY (NULL != list))
+	{
+		tmp = list->next;
+		list->data = NULL;
+		list->next = NULL;
+		return tmp;
+	}
+	else
+		return NULL;
+}
+
+void
+pgm_slist_free (
+	pgm_slist_t*	list
+	)
+{
+	while (list)
+	{
+		pgm_slist_t* current = list;
+		list = list->next;
+		pgm_free (current);
+	}
+}
+
+pgm_slist_t*
+pgm_slist_last (
+	pgm_slist_t*	list
+	)
+{
+	if (PGM_LIKELY (NULL != list))
+	{
+		while (list->next)
+			list = list->next;
+	}
+
+	return list;
+}
+
+unsigned
+pgm_slist_length (
+	pgm_slist_t*	list
+	)
+{
+	unsigned length = 0;
+
+	while (list)
+	{
+		length++;
+		list = list->next;
+	}
+
+	return length;
+}
+
+/* eof */