Line data Source code
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(struct tty_struct *tty, const unsigned char *chars, size_t size);
6 : extern int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, 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 72 : struct tty_buffer *tb = tty->buf.tail;
15 180 : if (tb && tb->used < tb->size) {
16 108 : tb->flag_buf_ptr[tb->used] = flag;
17 108 : tb->char_buf_ptr[tb->used++] = ch;
18 36 : return 1;
19 : }
20 72 : return tty_insert_flip_string_flags(tty, &ch, &flag, 1);
21 : }
22 :
23 : #endif /* _LINUX_TTY_FLIP_H */
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