xref: /minix/bin/sh/output.h (revision 83133719)
1 /*	$NetBSD: output.h,v 1.24 2012/03/15 02:02:20 joerg Exp $	*/
2 
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  */
36 
37 #ifndef OUTPUT_INCL
38 
39 #include <stdarg.h>
40 
41 struct output {
42 	char *nextc;
43 	int nleft;
44 	char *buf;
45 	int bufsize;
46 	short fd;
47 	short flags;
48 };
49 
50 /* flags for ->flags */
51 #define OUTPUT_ERR 01		/* error occurred on output */
52 
53 extern struct output output;
54 extern struct output errout;
55 extern struct output memout;
56 extern struct output *out1;
57 extern struct output *out2;
58 
59 void open_mem(char *, int, struct output *);
60 void out1str(const char *);
61 void out2str(const char *);
62 void outstr(const char *, struct output *);
63 void out2shstr(const char *);
64 void outshstr(const char *, struct output *);
65 void emptyoutbuf(struct output *);
66 void flushall(void);
67 void flushout(struct output *);
68 void freestdout(void);
69 void outfmt(struct output *, const char *, ...) __printflike(2, 3);
70 void out1fmt(const char *, ...) __printflike(1, 2);
71 #ifdef DEBUG
72 void debugprintf(const char *, ...) __printflike(1, 2);
73 #endif
74 void fmtstr(char *, size_t, const char *, ...) __printflike(3, 4);
75 void doformat(struct output *, const char *, va_list) __printflike(2, 0);
76 int xwrite(int, char *, int);
77 int xioctl(int, unsigned long, char *);
78 
79 #define outc(c, file)	(--(file)->nleft < 0? (emptyoutbuf(file), *(file)->nextc++ = (c)) : (*(file)->nextc++ = (c)))
80 #define out1c(c)	outc(c, out1)
81 #define out2c(c)	outc(c, out2)
82 
83 #define OUTPUT_INCL
84 #endif
85