1/*-
 2 * SPDX-License-Identifier: BSD-3-Clause
 3 *
 4 * Copyright (c) 1991, 1993
 5 *	The Regents of the University of California.  All rights reserved.
 6 *
 7 * This code is derived from software contributed to Berkeley by
 8 * Kenneth Almquist.
 9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#include "sh_cdefs.h"
36
37#ifndef OUTPUT_INCL
38
39#include <stdarg.h>
40#include <stddef.h>
41#include <stdio.h>
42
43struct output {
44  char *nextc;
45  char *bufend;
46  char *buf;
47  int   bufsize;
48  short fd;
49  short flags;
50};
51
52extern struct output  output; /* to fd 1 */
53extern struct output  errout; /* to fd 2 */
54extern struct output  memout;
55extern struct output *out1; /* &memout if backquote, otherwise &output */
56extern struct output *out2; /* &memout if backquote with 2>&1, otherwise
57             &errout */
58
59void  outcslow(int, struct output *);
60void  out1str(const char *);
61void  out1qstr(const char *);
62void  out2str(const char *);
63void  out2qstr(const char *);
64void  outstr(const char *, struct output *);
65void  outqstr(const char *, struct output *);
66void  outbin(const void *, size_t, struct output *);
67void  emptyoutbuf(struct output *);
68void  flushall(void);
69void  flushout(struct output *);
70void  freestdout(void);
71int   outiserror(struct output *);
72void  outclearerror(struct output *);
73void  outfmt(struct output *, const char *, ...) __printflike(2, 3);
74void  out1fmt(const char *, ...) __printflike(1, 2);
75void  out2fmt_flush(const char *, ...) __printflike(1, 2);
76void  fmtstr(char *, int, const char *, ...) __printflike(3, 4);
77void  doformat(struct output *, const char *, va_list) __printflike(2, 0);
78FILE *out1fp(void);
79int   xwrite(int, const char *, int);
80
81#define outc(c, file)                                                                              \
82  ((file)->nextc == (file)->bufend ? (emptyoutbuf(file), *(file)->nextc++ = (c))                   \
83                                   : (*(file)->nextc++ = (c)))
84#define out1c(c) outc(c, out1);
85#define out2c(c) outcslow(c, out2);
86
87#define OUTPUT_INCL
88#endif