Contributors: 12
	  
        
          | Author | 
          Tokens | 
          Token Proportion | 
          Commits | 
          Commit Proportion | 
        
	  
	  
        
        
          | Alan Cox | 
          149 | 
          40.71% | 
          2 | 
          5.56% | 
        
        
          | Jiri Slaby | 
          59 | 
          16.12% | 
          12 | 
          33.33% | 
        
        
          | Peter Hurley | 
          52 | 
          14.21% | 
          6 | 
          16.67% | 
        
        
          | Jiri Slaby (SUSE) | 
          49 | 
          13.39% | 
          7 | 
          19.44% | 
        
        
          | Linus Torvalds (pre-git) | 
          38 | 
          10.38% | 
          2 | 
          5.56% | 
        
        
          | Al Borchers | 
          6 | 
          1.64% | 
          1 | 
          2.78% | 
        
        
          | Andrew Morton | 
          5 | 
          1.37% | 
          1 | 
          2.78% | 
        
        
          | Thomas Koeller | 
          3 | 
          0.82% | 
          1 | 
          2.78% | 
        
        
          | Adrian Bunk | 
          2 | 
          0.55% | 
          1 | 
          2.78% | 
        
        
          | Greg Kroah-Hartman | 
          1 | 
          0.27% | 
          1 | 
          2.78% | 
        
        
          | Rob Herring | 
          1 | 
          0.27% | 
          1 | 
          2.78% | 
        
        
          | Ilpo Järvinen | 
          1 | 
          0.27% | 
          1 | 
          2.78% | 
        
	  
	  
        
          | Total | 
          366 | 
           | 
          36 | 
           | 
	    
	  
    
 
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_TTY_FLIP_H
#define _LINUX_TTY_FLIP_H
#include <linux/tty_buffer.h>
#include <linux/tty_port.h>
struct tty_ldisc;
int tty_buffer_set_limit(struct tty_port *port, int limit);
unsigned int tty_buffer_space_avail(struct tty_port *port);
int tty_buffer_request_room(struct tty_port *port, size_t size);
size_t __tty_insert_flip_string_flags(struct tty_port *port, const u8 *chars,
				      const u8 *flags, bool mutable_flags,
				      size_t size);
size_t tty_prepare_flip_string(struct tty_port *port, u8 **chars, size_t size);
void tty_flip_buffer_push(struct tty_port *port);
/**
 * tty_insert_flip_string_fixed_flag - add characters to the tty buffer
 * @port: tty port
 * @chars: characters
 * @flag: flag value for each character
 * @size: size
 *
 * Queue a series of bytes to the tty buffering. All the characters passed are
 * marked with the supplied flag.
 *
 * Returns: the number added.
 */
static inline size_t tty_insert_flip_string_fixed_flag(struct tty_port *port,
						       const u8 *chars, u8 flag,
						       size_t size)
{
	return __tty_insert_flip_string_flags(port, chars, &flag, false, size);
}
/**
 * tty_insert_flip_string_flags - add characters to the tty buffer
 * @port: tty port
 * @chars: characters
 * @flags: flag bytes
 * @size: size
 *
 * Queue a series of bytes to the tty buffering. For each character the flags
 * array indicates the status of the character.
 *
 * Returns: the number added.
 */
static inline size_t tty_insert_flip_string_flags(struct tty_port *port,
						  const u8 *chars,
						  const u8 *flags, size_t size)
{
	return __tty_insert_flip_string_flags(port, chars, flags, true, size);
}
/**
 * tty_insert_flip_char - add one character to the tty buffer
 * @port: tty port
 * @ch: character
 * @flag: flag byte
 *
 * Queue a single byte @ch to the tty buffering, with an optional flag.
 */
static inline size_t tty_insert_flip_char(struct tty_port *port, u8 ch, u8 flag)
{
	struct tty_buffer *tb = port->buf.tail;
	int change;
	change = !tb->flags && (flag != TTY_NORMAL);
	if (!change && tb->used < tb->size) {
		if (tb->flags)
			*flag_buf_ptr(tb, tb->used) = flag;
		*char_buf_ptr(tb, tb->used++) = ch;
		return 1;
	}
	return __tty_insert_flip_string_flags(port, &ch, &flag, false, 1);
}
static inline size_t tty_insert_flip_string(struct tty_port *port,
					    const u8 *chars, size_t size)
{
	return tty_insert_flip_string_fixed_flag(port, chars, TTY_NORMAL, size);
}
size_t tty_ldisc_receive_buf(struct tty_ldisc *ld, const u8 *p, const u8 *f,
			     size_t count);
void tty_buffer_lock_exclusive(struct tty_port *port);
void tty_buffer_unlock_exclusive(struct tty_port *port);
#endif /* _LINUX_TTY_FLIP_H */