1 /* $NetBSD: output.h,v 1.28 2021/11/10 15:58:38 kre 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 int bufsize; 45 char *buf; 46 short fd; 47 short flags; 48 #ifndef SMALL 49 struct output *chain; 50 #endif 51 }; 52 53 /* flags for ->flags */ 54 #define OUTPUT_ERR 0x01 /* error occurred on output */ 55 #define OUTPUT_CLONE 0x02 /* this is a clone of another */ 56 57 extern struct output output; 58 extern struct output errout; 59 extern struct output memout; 60 extern struct output *out1; 61 extern struct output *out2; 62 #ifdef SMALL 63 #define outx out2 64 #else 65 extern struct output *outx; 66 #endif 67 68 void open_mem(char *, int, struct output *); 69 void out1str(const char *); 70 void out2str(const char *); 71 void outstr(const char *, struct output *); 72 void out2shstr(const char *); 73 #ifdef SMALL 74 #define outxstr out2str 75 #define outxshstr out2shstr 76 #else 77 void outxstr(const char *); 78 void outxshstr(const char *); 79 #endif 80 void outshstr(const char *, struct output *); 81 void emptyoutbuf(struct output *); 82 void flushall(void); 83 void flushout(struct output *); 84 void freestdout(void); 85 void outfmt(struct output *, const char *, ...) __printflike(2, 3); 86 void out1fmt(const char *, ...) __printflike(1, 2); 87 #ifdef DEBUG 88 void debugprintf(const char *, ...) __printflike(1, 2); 89 #endif 90 void fmtstr(char *, size_t, const char *, ...) __printflike(3, 4); 91 void doformat(struct output *, const char *, va_list) __printflike(2, 0); 92 int xwrite(int, char *, int); 93 #ifdef SMALL 94 #define xtracefdsetup(x) do { break; } while (0) 95 #define xtrace_clone(x) do { break; } while (0) 96 #define xtrace_pop() do { break; } while (0) 97 #else 98 void xtracefdsetup(int); 99 void xtrace_clone(int); 100 void xtrace_pop(void); 101 #endif 102 103 #define outc(c, file) (--(file)->nleft < 0? (emptyoutbuf(file), *(file)->nextc++ = (c)) : (*(file)->nextc++ = (c))) 104 #define out1c(c) outc(c, out1) 105 #define out2c(c) outc(c, out2) 106 #define outxc(c) outc(c, outx) 107 108 #define clr_err(file) ((file)->flags &= ~OUTPUT_ERR) 109 #define io_err(file) ((file)->flags & OUTPUT_ERR) 110 111 #define OUTPUT_INCL 112 #endif 113