mirror of
https://gitee.com/openharmony/third_party_f2fs-tools
synced 2024-11-23 10:10:00 +00:00
a68ee58a5d
* removed unused includes.
* removed unused parameters.
* Fixed a bunch of warnings around:
int i;
if (i < some_uint) ...
and
u32 x;
...
if (x < 0) return error;
* Protect BLKDISCARD usage if it is not available.
Change-Id: Iede035b1beb2df01c961589a69aff47a5258ecd2
Signed-off-by: JP Abgrall <jpa@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
|
|
#define POISON_POINTER_DELTA 0
|
|
#define LIST_POISON1 ((void *) (0x00100100 + POISON_POINTER_DELTA))
|
|
#define LIST_POISON2 ((void *) (0x00200200 + POISON_POINTER_DELTA))
|
|
|
|
#if !defined(offsetof)
|
|
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
|
|
#endif
|
|
#define container_of(ptr, type, member) ({ \
|
|
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
|
|
(type *)( (char *)__mptr - offsetof(type,member) );})
|
|
|
|
struct list_head {
|
|
struct list_head *next, *prev;
|
|
};
|
|
|
|
#define LIST_HEAD_INIT(name) { &(name), &(name) }
|
|
|
|
#define LIST_HEAD(name) \
|
|
struct list_head name = LIST_HEAD_INIT(name)
|
|
|
|
static inline void INIT_LIST_HEAD(struct list_head *list)
|
|
{
|
|
list->next = list;
|
|
list->prev = list;
|
|
}
|
|
|
|
static inline void __list_add(struct list_head *new,
|
|
struct list_head *prev,
|
|
struct list_head *next)
|
|
{
|
|
next->prev = new;
|
|
new->next = next;
|
|
new->prev = prev;
|
|
prev->next = new;
|
|
}
|
|
|
|
static inline void list_add(struct list_head *new, struct list_head *head)
|
|
{
|
|
__list_add(new, head, head->next);
|
|
}
|
|
|
|
static inline void list_add_tail(struct list_head *new, struct list_head *head)
|
|
{
|
|
__list_add(new, head->prev, head);
|
|
}
|
|
|
|
static inline void __list_del(struct list_head * prev, struct list_head * next)
|
|
{
|
|
next->prev = prev;
|
|
prev->next = next;
|
|
}
|
|
|
|
static inline void __list_del_entry(struct list_head *entry)
|
|
{
|
|
__list_del(entry->prev, entry->next);
|
|
}
|
|
|
|
static inline void list_del(struct list_head *entry)
|
|
{
|
|
__list_del(entry->prev, entry->next);
|
|
entry->next = LIST_POISON1;
|
|
entry->prev = LIST_POISON2;
|
|
}
|
|
|
|
static inline int list_empty(const struct list_head *head)
|
|
{
|
|
return head->next == head;
|
|
}
|
|
|
|
#define list_entry(ptr, type, member) \
|
|
container_of(ptr, type, member)
|
|
|
|
#define list_for_each(pos, head) \
|
|
for (pos = (head)->next; pos != (head); pos = pos->next)
|
|
|
|
#define list_for_each_safe(pos, n, head) \
|
|
for (pos = (head)->next, n = pos->next; pos != (head); \
|
|
pos = n, n = pos->next)
|
|
#define list_for_each_entry(pos, head, member) \
|
|
for (pos = list_entry((head)->next, typeof(*pos), member); \
|
|
&pos->member != (head); \
|
|
pos = list_entry(pos->member.next, typeof(*pos), member))
|
|
#define list_for_each_entry_safe(pos, n, head, member) \
|
|
for (pos = list_entry((head)->next, typeof(*pos), member), \
|
|
n = list_entry(pos->member.next, typeof(*pos), member); \
|
|
&pos->member != (head); \
|
|
pos = n, n = list_entry(n->member.next, typeof(*n), member))
|