Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1#ifndef _LINUX_TTY_FLIP_H
2#define _LINUX_TTY_FLIP_H
3
4extern int tty_buffer_request_room(struct tty_port *port, size_t size);
5extern int tty_insert_flip_string_flags(struct tty_port *port,
6 const unsigned char *chars, const char *flags, size_t size);
7extern int tty_insert_flip_string_fixed_flag(struct tty_port *port,
8 const unsigned char *chars, char flag, size_t size);
9extern int tty_prepare_flip_string(struct tty_port *port,
10 unsigned char **chars, size_t size);
11extern int tty_prepare_flip_string_flags(struct tty_port *port,
12 unsigned char **chars, char **flags, size_t size);
13extern void tty_flip_buffer_push(struct tty_port *port);
14void tty_schedule_flip(struct tty_port *port);
15
16static 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
28static 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 */