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#ifndef _LINUX_SEQ_FILE_H

#define _LINUX_SEQ_FILE_H

#ifdef __KERNEL__

#include <linux/types.h>

#include <linux/string.h>

#include <asm/semaphore.h>

struct seq_operations;

struct file;

struct vfsmount;

struct dentry;

struct inode;

struct seq_file {

        char *buf;

        size_t size;

        size_t from;

        size_t count;

        loff_t index;

        struct semaphore sem;

        struct seq_operations *op;

        void *private;

};

struct seq_operations {

        void * (*start) (struct seq_file *m, loff_t *pos);

        void (*stop) (struct seq_file *m, void *v);

        void * (*next) (struct seq_file *m, void *v, loff_t *pos);

        int (*show) (struct seq_file *m, void *v);

};

int seq_open(struct file *, struct seq_operations *);

ssize_t seq_read(struct file *, char __user *, size_t, loff_t *);

loff_t seq_lseek(struct file *, loff_t, int);

int seq_release(struct inode *, struct file *);

int seq_escape(struct seq_file *, const char *, const char *);

static inline int seq_putc(struct seq_file *m, char c)

{

        if (m->count < m->size) {

                m->buf[m->count++] = c;

                return 0;

        }

        return -1;

}

static inline int seq_puts(struct seq_file *m, const char *s)

{

        int len = strlen(s);

        if (m->count + len < m->size) {

                memcpy(m->buf + m->count, s, len);

                m->count += len;

                return 0;

        }

        m->count = m->size;

        return -1;

}

int seq_printf(struct seq_file *, const char *, ...)

        __attribute__ ((format (printf,2,3)));

int seq_path(struct seq_file *, struct vfsmount *, struct dentry *, char *);

int single_open(struct file *, int (*)(struct seq_file *, void *), void *);

int single_release(struct inode *, struct file *);

int seq_release_private(struct inode *, struct file *);

#define SEQ_START_TOKEN ((void *)1)

#endif

#endif