From 7f6002caba3f0a6749820c2772161caf55b8d267 Mon Sep 17 00:00:00 2001
From: neonloop
Date: Fri, 7 May 2021 20:00:12 +0000
Subject: Initial commit (uqm-0.8.0)

---
 src/libs/list/list.c | 132 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 src/libs/list/list.c

(limited to 'src/libs/list/list.c')

diff --git a/src/libs/list/list.c b/src/libs/list/list.c
new file mode 100644
index 0000000..9d86538
--- /dev/null
+++ b/src/libs/list/list.c
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2005  Serge van den Boom
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ * Nota bene: later versions of the GNU General Public License do not apply
+ * to this program.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef LIST_INTERNAL
+	// If list is already defined, this file is included
+	// as a template. In this case list.h has already been included.
+#	define LIST_INTERNAL
+#	include "list.h"
+#endif
+
+#include "libs/memlib.h"
+#define malloc HMalloc
+#define free HFree
+#define realloc HRealloc
+
+#include <assert.h>
+
+static inline LIST_(List) *LIST_(allocList)(void);
+static inline void LIST_(freeList)(LIST_(List) *list);
+static inline LIST_(Link) * LIST_(allocLink)(void);
+static inline void LIST_(freeLink)(LIST_(Link) *link);
+
+
+LIST_(List) *
+LIST_(newList)(void) {
+	LIST_(List) *list;
+
+	list = LIST_(allocList)();
+	if (list == NULL)
+		return NULL;
+
+	list->first = NULL;
+	list->end = &list->first;
+	return list;
+}
+
+void
+LIST_(deleteList)(LIST_(List) *list)
+{
+	LIST_(Link) *link;
+	LIST_(Link) *next;
+
+	for (link = list->first; link != NULL; link = next)
+	{
+		next = link->next;
+		LIST_(freeLink)(link);
+	}
+
+	LIST_(freeList)(list);
+}
+
+void
+LIST_(add)(LIST_(List) *list, LIST_(Entry) entry) {
+	LIST_(Link) *link;
+
+	link = LIST_(allocLink)();
+	link->entry = entry;
+	link->next = NULL;
+	*list->end = link;
+	list->end = &link->next;
+}
+
+static inline LIST_(Link) **
+LIST_(findLink)(LIST_(List) *list, LIST_(Entry) entry) {
+	LIST_(Link) **linkPtr;
+
+	for (linkPtr = &list->first; *linkPtr != NULL;
+			linkPtr = &(*linkPtr)->next) {
+		if ((*linkPtr)->entry == entry)
+			return linkPtr;
+	}
+	return NULL;
+}
+
+static inline void
+LIST_(removeLink)(LIST_(List) *list, LIST_(Link) **linkPtr) {
+	LIST_(Link) *link = *linkPtr;
+
+	*linkPtr = link->next;
+	if (&link->next == list->end)
+		list->end = linkPtr;
+	LIST_(freeLink)(link);
+}
+
+void
+LIST_(remove)(LIST_(List) *list, LIST_(Entry) entry) {
+	LIST_(Link) **linkPtr;
+
+	linkPtr = LIST_(findLink)(list, entry);
+	assert(linkPtr != NULL);
+	LIST_(removeLink)(list, linkPtr);
+}
+
+
+static inline LIST_(List) *
+LIST_(allocList)(void) {
+	return malloc(sizeof (LIST_(List)));
+}
+
+static inline void
+LIST_(freeList)(LIST_(List) *list) {
+	free(list);
+}
+
+static inline LIST_(Link) *
+LIST_(allocLink)(void) {
+	return malloc(sizeof (LIST_(Link)));
+}
+
+static inline void
+LIST_(freeLink)(LIST_(Link) *link) {
+	free(link);
+}
+
+
-- 
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