1 /*-
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 * Copyright (c) 1997-2005
5 * Herbert Xu <herbert@gondor.apana.org.au>. 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 #ifdef USE_GLIBC_STDIO
41 #include <stdio.h>
42 #endif
43 #include <sys/types.h>
44
45 struct output {
46 #ifdef USE_GLIBC_STDIO
47 FILE *stream;
48 #endif
49 char *nextc;
50 char *end;
51 char *buf;
52 size_t bufsize;
53 int fd;
54 int flags;
55 };
56
57 extern struct output output;
58 extern struct output errout;
59 extern struct output preverrout;
60 #ifdef notyet
61 extern struct output memout;
62 #endif
63 extern struct output *out1;
64 extern struct output *out2;
65
66 void outmem(const char *, size_t, struct output *);
67 void outstr(const char *, struct output *);
68 #ifndef USE_GLIBC_STDIO
69 void outcslow(int, struct output *);
70 #endif
71 void flushall(void);
72 void flushout(struct output *);
73 void outfmt(struct output *, const char *, ...)
74 __attribute__((__format__(__printf__,2,3)));
75 void out1fmt(const char *, ...)
76 __attribute__((__format__(__printf__,1,2)));
77 int fmtstr(char *, size_t, const char *, ...)
78 __attribute__((__format__(__printf__,3,4)));
79 int xasprintf(char **, const char *, ...);
80 #ifndef USE_GLIBC_STDIO
81 void doformat(struct output *, const char *, va_list);
82 #endif
83 int xwrite(int, const void *, size_t);
84 #ifdef notyet
85 #ifdef USE_GLIBC_STDIO
86 void initstreams(void);
87 void openmemout(void);
88 int __closememout(void);
89 #endif
90 #endif
91
92 void settitle(const char* title);
93
94 static inline void
freestdout()95 freestdout()
96 {
97 output.nextc = output.buf;
98 output.flags = 0;
99 }
100
101 #define OUTPUT_ERR 01 /* error occurred on output */
102
103 #ifdef USE_GLIBC_STDIO
outc(int ch,struct output * file)104 static inline void outc(int ch, struct output *file)
105 {
106 putc(ch, file->stream);
107 }
108 #define doformat(d, f, a) vfprintf((d)->stream, (f), (a))
109 #else
outc(int ch,struct output * file)110 static inline void outc(int ch, struct output *file)
111 {
112 if (file->nextc == file->end)
113 outcslow(ch, file);
114 else {
115 *file->nextc = ch;
116 file->nextc++;
117 }
118 }
119 #endif
120 #define out1c(c) outc((c), out1)
121 #define out2c(c) outcslow((c), out2)
122 #define out1mem(s, l) outmem((s), (l), out1)
123 #define out1str(s) outstr((s), out1)
124 #define out2str(s) outstr((s), out2)
125 #define outerr(f) (f)->flags
126
127 #define OUTPUT_INCL
128 #endif
129