1 #ifndef _LINUX_TTY_FLIP_H 2 #define _LINUX_TTY_FLIP_H 3 4 extern int tty_buffer_request_room(struct tty_struct *tty, size_t size); 5 extern int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, size_t size); 6 extern int tty_insert_flip_string_fixed_flag(struct tty_struct *tty, const unsigned char *chars, char flag, size_t size); 7 extern int tty_prepare_flip_string(struct tty_struct *tty, unsigned char **chars, size_t size); 8 extern int tty_prepare_flip_string_flags(struct tty_struct *tty, unsigned char **chars, char **flags, size_t size); 9 void tty_schedule_flip(struct tty_struct *tty); 10 11 static inline int tty_insert_flip_char(struct tty_struct *tty, 12 unsigned char ch, char flag) 13 { 14 struct tty_buffer *tb = tty->port->buf.tail; 15 if (tb && tb->used < tb->size) { 16 tb->flag_buf_ptr[tb->used] = flag; 17 tb->char_buf_ptr[tb->used++] = ch; 18 return 1; 19 } 20 return tty_insert_flip_string_flags(tty, &ch, &flag, 1); 21 } 22 23 static inline int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size) 24 { 25 return tty_insert_flip_string_fixed_flag(tty, chars, TTY_NORMAL, size); 26 } 27 28 #endif /* _LINUX_TTY_FLIP_H */ 29