Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | #ifndef _LINUX_TTY_FLIP_H |
2 | #define _LINUX_TTY_FLIP_H | |
3 | ||
4d18e6ef | 4 | extern int tty_buffer_set_limit(struct tty_port *port, int limit); |
7bfe0b71 | 5 | extern int tty_buffer_space_avail(struct tty_port *port); |
227434f8 | 6 | extern int tty_buffer_request_room(struct tty_port *port, size_t size); |
2f693357 JS |
7 | extern int tty_insert_flip_string_flags(struct tty_port *port, |
8 | const unsigned char *chars, const char *flags, size_t size); | |
9 | extern int tty_insert_flip_string_fixed_flag(struct tty_port *port, | |
10 | const unsigned char *chars, char flag, size_t size); | |
11 | extern int tty_prepare_flip_string(struct tty_port *port, | |
12 | unsigned char **chars, size_t size); | |
2e124b4a | 13 | extern void tty_flip_buffer_push(struct tty_port *port); |
6732c8bb | 14 | void tty_schedule_flip(struct tty_port *port); |
33f0f88f | 15 | |
92a19f9c | 16 | static inline int tty_insert_flip_char(struct tty_port *port, |
e1a25090 | 17 | unsigned char ch, char flag) |
1da177e4 | 18 | { |
92a19f9c | 19 | struct tty_buffer *tb = port->buf.tail; |
acc0f67f PH |
20 | int change; |
21 | ||
22 | change = (tb->flags & TTYB_NORMAL) && (flag != TTY_NORMAL); | |
23 | if (!change && tb->used < tb->size) { | |
24 | if (~tb->flags & TTYB_NORMAL) | |
25 | *flag_buf_ptr(tb, tb->used) = flag; | |
1fc359fc | 26 | *char_buf_ptr(tb, tb->used++) = ch; |
33f0f88f | 27 | return 1; |
1da177e4 | 28 | } |
92a19f9c | 29 | return tty_insert_flip_string_flags(port, &ch, &flag, 1); |
1da177e4 LT |
30 | } |
31 | ||
05c7cd39 JS |
32 | static inline int tty_insert_flip_string(struct tty_port *port, |
33 | const unsigned char *chars, size_t size) | |
2832fc11 | 34 | { |
05c7cd39 | 35 | return tty_insert_flip_string_fixed_flag(port, chars, TTY_NORMAL, size); |
2832fc11 AC |
36 | } |
37 | ||
a7c8d58c PH |
38 | extern void tty_buffer_lock_exclusive(struct tty_port *port); |
39 | extern void tty_buffer_unlock_exclusive(struct tty_port *port); | |
40 | ||
1da177e4 | 41 | #endif /* _LINUX_TTY_FLIP_H */ |