add plibsys

1 files changed, 174 insertions, 0 deletions

diff --git a/3rdparty/plibsys/src/plist.c b/3rdparty/plibsys/src/plist.c
new file mode 100644
index 0000000..ccb5dee
--- /dev/null
+++ b/3rdparty/plibsys/src/plist.c
@@ -0,0 +1,174 @@
+/*
+ * The MIT License
+ *
+ * Copyright (C) 2010-2016 Alexander Saprykin <saprykin.spb@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * 'Software'), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "pmem.h"
+#include "plist.h"
+
+#include <stdlib.h>
+
+P_LIB_API PList *
+p_list_append (PList *list, ppointer data)
+{
+	PList *item, *cur;
+
+	if (P_UNLIKELY ((item = p_malloc0 (sizeof (PList))) == NULL)) {
+		P_ERROR ("PList::p_list_append: failed to allocate memory");
+		return list;
+	}
+
+	item->data = data;
+
+	/* List is empty */
+	if (P_UNLIKELY (list == NULL))
+		return item;
+
+	for (cur = list; cur->next != NULL; cur = cur->next)
+		;
+	cur->next = item;
+
+	return list;
+}
+
+P_LIB_API PList *
+p_list_remove (PList *list, ppointer data)
+{
+	PList *cur, *prev, *head;
+
+	if (P_UNLIKELY (list == NULL))
+		return NULL;
+
+	for (head = list, prev = NULL, cur = list; cur != NULL;  prev = cur, cur = cur->next) {
+		if (cur->data == data) {
+			if (prev == NULL)
+				head = cur->next;
+			else
+				prev->next = cur->next;
+
+			p_free (cur);
+
+			break;
+		}
+	}
+
+	return head;
+}
+
+P_LIB_API void
+p_list_foreach (PList *list, PFunc func, ppointer user_data)
+{
+	PList *cur;
+
+	if (P_UNLIKELY (list == NULL || func == NULL))
+		return;
+
+	for (cur = list; cur != NULL; cur = cur->next)
+		func (cur->data, user_data);
+}
+
+P_LIB_API void
+p_list_free (PList *list)
+{
+	PList *cur, *next;
+
+	if (P_UNLIKELY (list == NULL))
+		return;
+
+	for (next = cur = list; cur != NULL && next != NULL; cur = next)  {
+		next = cur->next;
+		p_free (cur);
+	}
+}
+
+P_LIB_API PList *
+p_list_last (PList *list)
+{
+	PList *cur;
+
+	if (P_UNLIKELY (list == NULL))
+		return NULL;
+
+	for (cur = list; cur->next != NULL; cur = cur->next)
+		;
+
+	return cur;
+}
+
+P_LIB_API psize
+p_list_length (const PList *list)
+{
+	const PList	*cur;
+	psize		ret;
+
+	if (P_UNLIKELY (list == NULL))
+		return 0;
+
+	for (cur = list, ret = 1; cur->next != NULL; cur = cur->next, ++ret)
+		;
+
+	return ret;
+}
+
+P_LIB_API PList *
+p_list_prepend	(PList *list, ppointer data)
+{
+	PList *item;
+
+	if (P_UNLIKELY ((item = p_malloc0 (sizeof (PList))) == NULL)) {
+		P_ERROR ("PList::p_list_prepend: failed to allocate memory");
+		return list;
+	}
+
+	item->data = data;
+
+	/* List is empty */
+	if (P_UNLIKELY (list == NULL))
+		return item;
+
+	item->next = list;
+
+	return item;
+}
+
+P_LIB_API PList *
+p_list_reverse	(PList *list)
+{
+	PList *prev, *cur, *tmp;
+
+	if (P_UNLIKELY (list == NULL))
+		return NULL;
+
+	prev	   = list;
+	cur	   = list->next;
+	prev->next = NULL;
+
+	while (cur != NULL) {
+		tmp	  = cur->next;
+		cur->next = prev;
+		prev	  = cur;
+		cur	  = tmp;
+	}
+
+	return prev;
+}