1 #ifndef _LINUX_TTY_FLIP_H
2 #define _LINUX_TTY_FLIP_H
4 extern int tty_buffer_request_room(struct tty_port *port, size_t size);
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);
13 void tty_schedule_flip(struct tty_struct *tty);
15 static inline int tty_insert_flip_char(struct tty_struct *tty,
16 unsigned char ch, char flag)
18 struct tty_buffer *tb = tty->port->buf.tail;
19 if (tb && tb->used < tb->size) {
20 tb->flag_buf_ptr[tb->used] = flag;
21 tb->char_buf_ptr[tb->used++] = ch;
24 return tty_insert_flip_string_flags(tty->port, &ch, &flag, 1);
27 static inline int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size)
29 return tty_insert_flip_string_fixed_flag(tty->port, chars, TTY_NORMAL, size);
32 #endif /* _LINUX_TTY_FLIP_H */