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);
+}