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-rw-r--r--qcom/qrtr/src/list.h128
1 files changed, 128 insertions, 0 deletions
diff --git a/qcom/qrtr/src/list.h b/qcom/qrtr/src/list.h
new file mode 100644
index 0000000..d740743
--- /dev/null
+++ b/qcom/qrtr/src/list.h
@@ -0,0 +1,128 @@
+#ifndef _LIST_H_
+#define _LIST_H_
+
+#ifndef offsetof
+#define offsetof(type, md) ((unsigned long)&((type *)0)->md)
+#endif
+
+#ifndef container_of
+#define container_of(ptr, type, member) \
+ ((type *)((char *)(ptr) - offsetof(type, member)))
+#endif
+
+struct list_item {
+ struct list_item *next;
+ struct list_item *prev;
+};
+
+struct list {
+ struct list_item *head;
+ struct list_item *tail;
+};
+
+#define LIST_INIT(name) { 0, 0 }
+
+#define LIST(name) \
+ struct list name = LIST_INIT(name)
+
+#define list_entry(ptr, type, member) \
+ container_of(ptr, type, member)
+
+static inline void list_init(struct list *list)
+{
+ list->head = 0;
+ list->tail = 0;
+}
+
+static inline void list_append(struct list *list, struct list_item *item)
+{
+ item->next = 0;
+ item->prev = list->tail;
+ if (list->tail != 0)
+ list->tail->next = item;
+ else
+ list->head = item;
+ list->tail = item;
+}
+
+static inline void list_prepend(struct list *list, struct list_item *item)
+{
+ item->prev = 0;
+ item->next = list->head;
+ if (list->head == 0)
+ list->tail = item;
+ list->head = item;
+}
+
+static inline void list_insert(struct list *list, struct list_item *after, struct list_item *item)
+{
+ if (after == 0) {
+ list_prepend(list, item);
+ return;
+ }
+ item->prev = after;
+ item->next = after->next;
+ after->next = item;
+ if (item->next)
+ item->next->prev = item;
+ if (list->tail == after)
+ list->tail = item;
+}
+
+static inline void list_remove(struct list *list, struct list_item *item)
+{
+ if (item->next)
+ item->next->prev = item->prev;
+ if (list->head == item) {
+ list->head = item->next;
+ if (list->head == 0)
+ list->tail = 0;
+ } else {
+ item->prev->next = item->next;
+ if (list->tail == item)
+ list->tail = item->prev;
+ }
+ item->prev = item->next = 0;
+}
+
+static inline struct list_item *list_pop(struct list *list)
+{
+ struct list_item *item;
+ item = list->head;
+ if (item == 0)
+ return 0;
+ list_remove(list, item);
+ return item;
+}
+
+static inline struct list_item *list_last(struct list *list)
+{
+ return list->tail;
+}
+
+static inline struct list_item *list_first(struct list *list)
+{
+ return list->head;
+}
+
+
+static inline struct list_item *list_next(struct list_item *item)
+{
+ return item->next;
+}
+
+#define list_push list_append
+
+#define list_for_each(_list, _iter) \
+ for (_iter = (_list)->head; (_iter) != 0; _iter = (_iter)->next)
+
+#define list_for_each_after(_node, _iter) \
+ for (_iter = (_node)->next; (_iter) != 0; _iter = (_iter)->next)
+
+#define list_for_each_safe(_list, _iter, _bkup) \
+ for (_iter = (_list)->head; (_iter) != 0 && ((_bkup = (_iter)->next) || 1); _iter = (_bkup))
+
+#define list_for_each_safe_after(_node, _iter, _bkup) \
+ for (_iter = (_node)->next; (_iter) != 0 && ((_bkup = (_iter)->next) || 1); _iter = (_bkup))
+
+#endif