freebsd-dev/bin/sh/output.h

/*-
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Kenneth Almquist.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)output.h	8.2 (Berkeley) 5/4/95
 * $FreeBSD$
 */

#ifndef OUTPUT_INCL

#ifdef __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif

struct output {
	char *nextc;
	int nleft;
	char *buf;
	int bufsize;
	short fd;
	short flags;
};

extern struct output output;
extern struct output errout;
extern struct output memout;
extern struct output *out1;
extern struct output *out2;

void open_mem __P((char *, int, struct output *));
void out1str __P((const char *));
void out2str __P((const char *));
void outstr __P((const char *, struct output *));
void emptyoutbuf __P((struct output *));
void flushall __P((void));
void flushout __P((struct output *));
void freestdout __P((void));
void outfmt __P((struct output *, char *, ...));
void out1fmt __P((char *, ...));
void dprintf __P((char *, ...));
void fmtstr __P((char *, int, char *, ...));
void doformat __P((struct output *, char *, va_list));
int xwrite __P((int, char *, int));
int xioctl __P((int, unsigned long, char *));

#define outc(c, file)	(--(file)->nleft < 0? (emptyoutbuf(file), *(file)->nextc++ = (c)) : (*(file)->nextc++ = (c)))
#define out1c(c)	outc(c, out1);
#define out2c(c)	outc(c, out2);

#define OUTPUT_INCL
#endif