[deliverable/linux.git] / include / linux / tty_flip.h

#ifndef _LINUX_TTY_FLIP_H
#define _LINUX_TTY_FLIP_H

extern int tty_buffer_request_room(struct tty_port *port, size_t size);
extern int tty_insert_flip_string_flags(struct tty_port *port,
		const unsigned char *chars, const char *flags, size_t size);
extern int tty_insert_flip_string_fixed_flag(struct tty_port *port,
		const unsigned char *chars, char flag, size_t size);
extern int tty_prepare_flip_string(struct tty_port *port,
		unsigned char **chars, size_t size);
extern int tty_prepare_flip_string_flags(struct tty_port *port,
		unsigned char **chars, char **flags, size_t size);
void tty_schedule_flip(struct tty_struct *tty);

static inline int tty_insert_flip_char(struct tty_port *port,
					unsigned char ch, char flag)
{
	struct tty_buffer *tb = port->buf.tail;
	if (tb && tb->used < tb->size) {
		tb->flag_buf_ptr[tb->used] = flag;
		tb->char_buf_ptr[tb->used++] = ch;
		return 1;
	}
	return tty_insert_flip_string_flags(port, &ch, &flag, 1);
}

static inline int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size)
{
	return tty_insert_flip_string_fixed_flag(tty->port, chars, TTY_NORMAL, size);
}

#endif /* _LINUX_TTY_FLIP_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_TTY_FLIP_H
	2	#define _LINUX_TTY_FLIP_H
	3
227434f8	4	extern int tty_buffer_request_room(struct tty_port *port, size_t size);
2f693357 JS	5	extern int tty_insert_flip_string_flags(struct tty_port *port,
	6	const unsigned char chars, const char flags, size_t size);
	7	extern int tty_insert_flip_string_fixed_flag(struct tty_port *port,
	8	const unsigned char *chars, char flag, size_t size);
	9	extern int tty_prepare_flip_string(struct tty_port *port,
	10	unsigned char **chars, size_t size);
	11	extern int tty_prepare_flip_string_flags(struct tty_port *port,
	12	unsigned char chars, char flags, size_t size);
e1a25090	13	void tty_schedule_flip(struct tty_struct *tty);
33f0f88f	14
92a19f9c	15	static inline int tty_insert_flip_char(struct tty_port *port,
e1a25090	16	unsigned char ch, char flag)
1da177e4	17	{
92a19f9c	18	struct tty_buffer *tb = port->buf.tail;
33b37a33	19	if (tb && tb->used < tb->size) {
33f0f88f AC	20	tb->flag_buf_ptr[tb->used] = flag;
	21	tb->char_buf_ptr[tb->used++] = ch;
	22	return 1;
1da177e4	23	}
92a19f9c	24	return tty_insert_flip_string_flags(port, &ch, &flag, 1);
1da177e4 LT	25	}
1da177e4 LT	26
2832fc11 AC	27	static inline int tty_insert_flip_string(struct tty_struct tty, const unsigned char chars, size_t size)
2832fc11 AC	28	{
2f693357	29	return tty_insert_flip_string_fixed_flag(tty->port, chars, TTY_NORMAL, size);
2832fc11 AC	30	}
2832fc11 AC	31
1da177e4	32	#endif /* _LINUX_TTY_FLIP_H */