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/*  $NetBSD: output.h,v 1.14 1998/01/31 12:37:55 christos Exp $ */

/*-

 * 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

 */

#ifndef OUTPUT_INCL

#ifdef __STDC__

#include <stdarg.h>

#else

#include <varargs.h>

#endif

#if defined(_GNU_SOURCE) && !defined(__UCLIBC__)

#include <stdio.h>

#endif

struct output {

#if defined(_GNU_SOURCE) && !defined(__UCLIBC__)

    FILE *stream;

#endif

    char *nextc;

    int nleft;

    char *buf;

    int bufsize;

    int fd;

    short flags;

};

extern struct output output;

extern struct output errout;

extern struct output memout;

extern struct output *out1;

extern struct output *out2;

void outstr (const char *, struct output *);

#ifndef _GNU_SOURCE

void emptyoutbuf (struct output *);

#endif

void flushall (void);

#ifndef _GNU_SOURCE

void flushout (struct output *);

#endif

void freestdout (void);

void outfmt (struct output *, const char *, ...)

    __attribute__((__format__(__printf__,2,3)));

void out1fmt (const char *, ...)

    __attribute__((__format__(__printf__,1,2)));

#if !defined(__GLIBC__) && !defined(__UCLIBC__)

void dprintf (const char *, ...)

    __attribute__((__format__(__printf__,1,2)));

#endif

void fmtstr (char *, size_t, const char *, ...)

    __attribute__((__format__(__printf__,3,4)));

#ifndef _GNU_SOURCE

void doformat (struct output *, const char *, va_list);

#endif

int xwrite (int, const char *, int);

#if defined(_GNU_SOURCE) && !defined(__UCLIBC__)

void initstreams (void);

void openmemout (void);

void closememout (void);

#define outc(c, o)  putc(c, (o)->stream)

#define flushout(o) fflush((o)->stream)

#define doformat(d, f, a)   vfprintf((d)->stream, f, a)

#else

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

#endif

#define out1c(c)    outc(c, out1)

#define out2c(c)    outc(c, out2)

#define out1str(s)  outstr(s, out1)

#define out2str(s)  outstr(s, out2)

#define OUTPUT_INCL

#endif