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 */ 36 37 #ifndef OUTPUT_INCL 38 39 #include <stdarg.h> 40 #include <stddef.h> 41 #include <stdio.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 FILE *out1fp(void); 79 int xwrite(int, const char *, int); 80 81 #define outc(c, file) ((file)->nextc == (file)->bufend ? (emptyoutbuf(file), *(file)->nextc++ = (c)) : (*(file)->nextc++ = (c))) 82 #define out1c(c) outc(c, out1); 83 #define out2c(c) outcslow(c, out2); 84 85 #define OUTPUT_INCL 86 #endif 87