You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1.5 KiB
42 lines
1.5 KiB
#ifndef _LINUX_TTY_FLIP_H
|
|
#define _LINUX_TTY_FLIP_H
|
|
|
|
extern int tty_buffer_set_limit(struct tty_port *port, int limit);
|
|
extern int tty_buffer_space_avail(struct tty_port *port);
|
|
extern int tty_buffer_request_room(struct tty_port *port, size_t size);
|
|
extern int tty_insert_flip_string_flags(struct tty_port *port,
|
|
const unsigned char *chars, const char *flags, size_t size);
|
|
extern int tty_insert_flip_string_fixed_flag(struct tty_port *port,
|
|
const unsigned char *chars, char flag, size_t size);
|
|
extern int tty_prepare_flip_string(struct tty_port *port,
|
|
unsigned char **chars, size_t size);
|
|
extern void tty_flip_buffer_push(struct tty_port *port);
|
|
void tty_schedule_flip(struct tty_port *port);
|
|
int __tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag);
|
|
|
|
static inline int tty_insert_flip_char(struct tty_port *port,
|
|
unsigned char ch, char flag)
|
|
{
|
|
struct tty_buffer *tb = port->buf.tail;
|
|
int change;
|
|
|
|
change = (tb->flags & TTYB_NORMAL) && (flag != TTY_NORMAL);
|
|
if (!change && tb->used < tb->size) {
|
|
if (~tb->flags & TTYB_NORMAL)
|
|
*flag_buf_ptr(tb, tb->used) = flag;
|
|
*char_buf_ptr(tb, tb->used++) = ch;
|
|
return 1;
|
|
}
|
|
return __tty_insert_flip_char(port, ch, flag);
|
|
}
|
|
|
|
static inline int tty_insert_flip_string(struct tty_port *port,
|
|
const unsigned char *chars, size_t size)
|
|
{
|
|
return tty_insert_flip_string_fixed_flag(port, chars, TTY_NORMAL, size);
|
|
}
|
|
|
|
extern void tty_buffer_lock_exclusive(struct tty_port *port);
|
|
extern void tty_buffer_unlock_exclusive(struct tty_port *port);
|
|
|
|
#endif /* _LINUX_TTY_FLIP_H */
|
|
|