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Commit	Line	Data
	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	* @(#)output.h 8.2 (Berkeley) 5/4/95
	35	* $FreeBSD: head/bin/sh/output.h 326025 2017-11-20 19:49:47Z pfg $
	36	*/
	37
	38	#ifndef OUTPUT_INCL
	39
	40	#include <stdarg.h>
	41	#include <stddef.h>
	42
	43	struct output {
	44	char *nextc;
	45	char *bufend;
	46	char *buf;
	47	int bufsize;
	48	short fd;
	49	short flags;
	50	};
	51
	52	extern struct output output; /* to fd 1 */
	53	extern struct output errout; /* to fd 2 */
	54	extern struct output memout;
	55	extern struct output out1; / &memout if backquote, otherwise &output */
	56	extern struct output out2; / &memout if backquote with 2>&1, otherwise
	57	&errout */
	58
	59	void outcslow(int, struct output *);
	60	void out1str(const char *);
	61	void out1qstr(const char *);
	62	void out2str(const char *);
	63	void out2qstr(const char *);
	64	void outstr(const char , struct output );
	65	void outqstr(const char , struct output );
	66	void outbin(const void , size_t, struct output );
	67	void emptyoutbuf(struct output *);
	68	void flushall(void);
	69	void flushout(struct output *);
	70	void freestdout(void);
	71	int outiserror(struct output *);
	72	void outclearerror(struct output *);
	73	void outfmt(struct output , const char , ...) __printflike(2, 3);
	74	void out1fmt(const char *, ...) __printflike(1, 2);
	75	void out2fmt_flush(const char *, ...) __printflike(1, 2);
	76	void fmtstr(char , int, const char , ...) __printflike(3, 4);
	77	void doformat(struct output , const char , va_list) __printflike(2, 0);
	78	int xwrite(int, const char *, int);
	79
	80	#define outc(c, file) ((file)->nextc == (file)->bufend ? (emptyoutbuf(file), (file)->nextc++ = (c)) : ((file)->nextc++ = (c)))
	81	#define out1c(c) outc(c, out1);
	82	#define out2c(c) outcslow(c, out2);
	83
	84	#define OUTPUT_INCL
	85	#endif