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 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)output.h 8.2 (Berkeley) 5/4/95 37 * $FreeBSD: src/bin/sh/output.h,v 1.19 2010/11/20 14:14:52 jilles Exp $ 38 */ 39 40 #ifndef OUTPUT_INCL 41 42 #include <stdarg.h> 43 #include <stddef.h> 44 45 struct output { 46 char *nextc; 47 int nleft; 48 char *buf; 49 int bufsize; 50 short fd; 51 short flags; 52 }; 53 54 extern struct output output; /* to fd 1 */ 55 extern struct output errout; /* to fd 2 */ 56 extern struct output memout; 57 extern struct output *out1; /* &memout if backquote, otherwise &output */ 58 extern struct output *out2; /* &memout if backquote with 2>&1, otherwise 59 &errout */ 60 61 void outcslow(int, struct output *); 62 void out1str(const char *); 63 void out1qstr(const char *); 64 void out2str(const char *); 65 void out2qstr(const char *); 66 void outstr(const char *, struct output *); 67 void outqstr(const char *, struct output *); 68 void outbin(const void *, size_t, struct output *); 69 void emptyoutbuf(struct output *); 70 void flushall(void); 71 void flushout(struct output *); 72 void freestdout(void); 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 int xwrite(int, const char *, int); 79 80 #define outc(c, file) (--(file)->nleft < 0? (emptyoutbuf(file), *(file)->nextc++ = (c)) : (*(file)->nextc++ = (c))) 81 #define out1c(c) outc(c, out1); 82 #define out2c(c) outcslow(c, out2); 83 84 #define OUTPUT_INCL 85 #endif 86