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7894193436
After the recent headers cleanup, some function declarations still have extern before them. It is superfluous (for function declarations), so remove extern from those which still have it. This unifies them with the rest of the files. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20210914091134.17426-3-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_TTY_FLIP_H
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#define _LINUX_TTY_FLIP_H
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#include <linux/tty_buffer.h>
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#include <linux/tty_port.h>
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struct tty_ldisc;
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int tty_buffer_set_limit(struct tty_port *port, int limit);
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unsigned int tty_buffer_space_avail(struct tty_port *port);
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int tty_buffer_request_room(struct tty_port *port, size_t size);
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int tty_insert_flip_string_flags(struct tty_port *port,
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const unsigned char *chars, const char *flags, size_t size);
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int tty_insert_flip_string_fixed_flag(struct tty_port *port,
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const unsigned char *chars, char flag, size_t size);
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int tty_prepare_flip_string(struct tty_port *port, unsigned char **chars,
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size_t size);
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void tty_flip_buffer_push(struct tty_port *port);
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void tty_schedule_flip(struct tty_port *port);
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int __tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag);
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static inline int tty_insert_flip_char(struct tty_port *port,
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unsigned char ch, char flag)
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{
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struct tty_buffer *tb = port->buf.tail;
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int change;
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change = (tb->flags & TTYB_NORMAL) && (flag != TTY_NORMAL);
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if (!change && tb->used < tb->size) {
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if (~tb->flags & TTYB_NORMAL)
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*flag_buf_ptr(tb, tb->used) = flag;
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*char_buf_ptr(tb, tb->used++) = ch;
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return 1;
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}
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return __tty_insert_flip_char(port, ch, flag);
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}
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static inline int tty_insert_flip_string(struct tty_port *port,
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const unsigned char *chars, size_t size)
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{
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return tty_insert_flip_string_fixed_flag(port, chars, TTY_NORMAL, size);
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}
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int tty_ldisc_receive_buf(struct tty_ldisc *ld, const unsigned char *p,
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const char *f, int count);
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void tty_buffer_lock_exclusive(struct tty_port *port);
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void tty_buffer_unlock_exclusive(struct tty_port *port);
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#endif /* _LINUX_TTY_FLIP_H */
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