| 1 | #ifndef _LINUX_TTY_FLIP_H |
| 2 | #define _LINUX_TTY_FLIP_H |
| 3 | |
| 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 | extern void tty_flip_buffer_push(struct tty_port *port); |
| 14 | void tty_schedule_flip(struct tty_port *port); |
| 15 | |
| 16 | static inline int tty_insert_flip_char(struct tty_port *port, |
| 17 | unsigned char ch, char flag) |
| 18 | { |
| 19 | struct tty_buffer *tb = port->buf.tail; |
| 20 | if (tb && tb->used < tb->size) { |
| 21 | tb->flag_buf_ptr[tb->used] = flag; |
| 22 | tb->char_buf_ptr[tb->used++] = ch; |
| 23 | return 1; |
| 24 | } |
| 25 | return tty_insert_flip_string_flags(port, &ch, &flag, 1); |
| 26 | } |
| 27 | |
| 28 | static inline int tty_insert_flip_string(struct tty_port *port, |
| 29 | const unsigned char *chars, size_t size) |
| 30 | { |
| 31 | return tty_insert_flip_string_fixed_flag(port, chars, TTY_NORMAL, size); |
| 32 | } |
| 33 | |
| 34 | #endif /* _LINUX_TTY_FLIP_H */ |