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Import of Empire 4.2.12

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Markus Armbruster 2003-08-23 12:23:04 +00:00
commit d8b7fdfae1
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include/ioqueue.h Normal file
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/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
* related information and legal notices. It is expected that any future
* projects/authors will amend these files as needed.
*
* ---
*
* ioqueue.h: Stores and frees data associated with a file descriptor.
* uses writev to write, and read to read
* Known contributors to this file:
*
*/
#ifndef _IOQUEUE_H_
#define _IOQUEUE_H_
#define IOQ_BUFSIZE 2048
#define MAXIOV 16
struct io {
struct emp_qelem queue;
int size;
int nbytes;
int offset;
s_char *data;
};
struct ioqueue {
struct io list;
int bufsize;
int cc;
};
extern struct ioqueue *ioq_create(int size);
extern void ioq_destroy(struct ioqueue *ioq);
extern void ioq_drain(struct ioqueue *ioq);
extern int ioq_makeiov(struct ioqueue *ioq, struct iovec *iov, int cc);
extern int ioq_peek(struct ioqueue *ioq, s_char *buf, int cc);
extern int ioq_dequeue(struct ioqueue *ioq, int cc);
extern void ioq_append(struct ioqueue *ioq, s_char *buf, int cc);
extern int ioq_qsize(struct ioqueue *ioq);
extern int ioq_gets(struct ioqueue *ioq, s_char *buf, int cc);
extern int ioq_puts(struct ioqueue *ioq, s_char *buf);
#if defined (_WIN32)
extern int ioq_makebuf(struct ioqueue *ioq, char *pBuf, int nBufLen);
#endif
#endif /* _IOQUEUE_H_ */