xref: /freebsd/bin/sh/output.h (revision 6607310b740c499e273ae5bbf1f308ed91b61c05)
1 /*-
2  * Copyright (c) 1991, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Kenneth Almquist.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 4. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  *	@(#)output.h	8.2 (Berkeley) 5/4/95
33  * $FreeBSD$
34  */
35 
36 #ifndef OUTPUT_INCL
37 
38 #include <stdarg.h>
39 
40 struct output {
41 	char *nextc;
42 	int nleft;
43 	char *buf;
44 	int bufsize;
45 	short fd;
46 	short flags;
47 };
48 
49 extern struct output output;
50 extern struct output errout;
51 extern struct output memout;
52 extern struct output *out1;
53 extern struct output *out2;
54 
55 void open_mem(char *, int, struct output *);
56 void out1str(const char *);
57 void out1qstr(const char *);
58 void out2str(const char *);
59 void out2qstr(const char *);
60 void outstr(const char *, struct output *);
61 void outqstr(const char *, struct output *);
62 void emptyoutbuf(struct output *);
63 void flushall(void);
64 void flushout(struct output *);
65 void freestdout(void);
66 void outfmt(struct output *, const char *, ...) __printflike(2, 3);
67 void out1fmt(const char *, ...) __printflike(1, 2);
68 void dprintf(const char *, ...) __printflike(1, 2);
69 void fmtstr(char *, int, const char *, ...) __printflike(3, 4);
70 void doformat(struct output *, const char *, va_list) __printflike(2, 0);
71 int xwrite(int, char *, int);
72 
73 #define outc(c, file)	(--(file)->nleft < 0? (emptyoutbuf(file), *(file)->nextc++ = (c)) : (*(file)->nextc++ = (c)))
74 #define out1c(c)	outc(c, out1);
75 #define out2c(c)	outc(c, out2);
76 
77 #define OUTPUT_INCL
78 #endif
79