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// BarryServer : Git / libBLOC / commit / b3106d3ca5d418eb70a698902e557178416aba18 / list / list_remove.c

// Related

libBLOC

Barry Initial commit b3106d3 (2 years, 11 months ago)
diff --git a/list/list_remove.c b/list/list_remove.c
new file mode 100644
index 0000000..767fb09
--- /dev/null
+++ b/list/list_remove.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2023 Barry
+ *
+ * This file is part of Barry's Little Objects in C Library (libBLOC).
+ *
+ * libBLOC is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * libBLOC is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTIBILITY 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
+ * libBLOC.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <BLOC/object.h>
+#include <BLOC/list.h>
+#include "../assert.h"
+#include "../object.h"
+#include "list.h"
+
+/* Remove an object from a list */
+void
+list_remove(List *list, void *obj)
+{
+	ASSERT(list);
+	ASSERT(obj);
+	struct ObjectHeader *header = object_header(obj);
+	ASSERT(header->magic == OBJECT_MAGIC);
+	if (!list->header.start)
+		return;
+	if (list->type && list->type != header->type)
+		return;
+	obj_lock(list);
+
+	/* Search for object */
+	struct IterableEntry *entry;
+	for (entry = list->header.start; entry; entry = entry->next) {
+		if (entry->obj == obj)
+			break;
+	}
+	if (!entry) {
+		obj_unlock(list);
+		return;
+	}
+
+	/* Unlink */
+	if (list->header.start == entry)
+		list->header.start = entry->next;
+	if (list->header.end == entry)
+		list->header.end = entry->prev;
+	if (entry->prev)
+		entry->prev->next = entry->next;
+	if (entry->next)
+		entry->next->prev = entry->prev;
+
+	obj_put(entry->obj);
+	list->header.entries--;
+	free(entry);
+
+	obj_unlock(list);
+}