ulist.h

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#ifndef ULIST_H
#define ULIST_H
 
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/types.h>
 
struct ulist_item {
    char *value;
    u32 flags;
    char *payload;
    struct list_head list;
};
 
struct ulist {
    struct list_head head;
    spinlock_t lock;
    const char *filename;
};
 
static inline void ulist_init(struct ulist *ul, const char *fname)
{
    INIT_LIST_HEAD(&ul->head);
    spin_lock_init(&ul->lock);
    ul->filename = fname;
}
 
void ulist_clear(struct ulist *ul);
 
int ulist_contains(struct ulist *ul, const char *value);
int ulist_load(struct ulist *ul);
int ulist_save(struct ulist *ul);
int ulist_add(struct ulist *ul, const char *value, u32 flags, const char *payload);
int ulist_remove(struct ulist *ul, const char *value);
int ulist_contains(struct ulist *ul, const char *value);
int ulist_list(struct ulist *ul, char *buf, size_t buf_size);
 
#endif /* ULIST_H */