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. 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 #include <stddef.h> 40 41 struct output { 42 char *nextc; 43 int nleft; 44 char *buf; 45 int bufsize; 46 short fd; 47 short flags; 48 }; 49 50 extern struct output output; /* to fd 1 */ 51 extern struct output errout; /* to fd 2 */ 52 extern struct output memout; 53 extern struct output *out1; /* &memout if backquote, otherwise &output */ 54 extern struct output *out2; /* &memout if backquote with 2>&1, otherwise 55 &errout */ 56 57 void outcslow(int, struct output *); 58 void out1str(const char *); 59 void out1qstr(const char *); 60 void out2str(const char *); 61 void out2qstr(const char *); 62 void outstr(const char *, struct output *); 63 void outqstr(const char *, struct output *); 64 void outbin(const void *, size_t, struct output *); 65 void emptyoutbuf(struct output *); 66 void flushall(void); 67 void flushout(struct output *); 68 void freestdout(void); 69 int outiserror(struct output *); 70 void outclearerror(struct output *); 71 void outfmt(struct output *, const char *, ...) __printflike(2, 3); 72 void out1fmt(const char *, ...) __printflike(1, 2); 73 void out2fmt_flush(const char *, ...) __printflike(1, 2); 74 void fmtstr(char *, int, const char *, ...) __printflike(3, 4); 75 void doformat(struct output *, const char *, va_list) __printflike(2, 0); 76 int xwrite(int, const char *, int); 77 78 #define outc(c, file) (--(file)->nleft < 0? (emptyoutbuf(file), *(file)->nextc++ = (c)) : (*(file)->nextc++ = (c))) 79 #define out1c(c) outc(c, out1); 80 #define out2c(c) outcslow(c, out2); 81 82 #define OUTPUT_INCL 83 #endif 84