3 * Copyright (C) 2010 - 2013 UNISYS CORPORATION
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or (at
9 * your option) any later version.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
14 * NON INFRINGEMENT. See the GNU General Public License for more
18 #ifndef __CHARQUEUE_H__
19 #define __CHARQUEUE_H__
23 /* struct charqueue is an opaque structure to users.
24 * Fields are declared only in the implementation .c files.
28 struct charqueue *visor_charqueue_create(ulong nslots);
29 void visor_charqueue_enqueue(struct charqueue *charqueue, unsigned char c);
30 int charqueue_dequeue(struct charqueue *charqueue);
31 int visor_charqueue_dequeue_n(struct charqueue *charqueue, unsigned char *buf,
33 BOOL visor_charqueue_is_empty(struct charqueue *charqueue);
34 void visor_charqueue_destroy(struct charqueue *charqueue);