bin/sh/output.h

   1 /*      $NetBSD: output.h,v 1.19 2008/10/12 01:40:37 dholland 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         char *buf;
  45         int bufsize;
  46         short fd;
  47         short flags;
  48 };
  49
  50 /* flags for ->flags */
  51 #define OUTPUT_ERR 01           /* error occurred on output */
  52
  53 extern struct output output;
  54 extern struct output errout;
  55 extern struct output memout;
  56 extern struct output *out1;
  57 extern struct output *out2;
  58
  59 void open_mem(char *, int, struct output *);
  60 void out1str(const char *);
  61 void out2str(const char *);
  62 void outstr(const char *, struct output *);
  63 void out2shstr(const char *);
  64 void outshstr(const char *, struct output *);
  65 void emptyoutbuf(struct output *);
  66 void flushall(void);
  67 void flushout(struct output *);
  68 void freestdout(void);
  69 void outfmt(struct output *, const char *, ...)
  70     __attribute__((__format__(__printf__,2,3)));
  71 void out1fmt(const char *, ...)
  72     __attribute__((__format__(__printf__,1,2)));
  73 void dprintf(const char *, ...)
  74     __attribute__((__format__(__printf__,1,2)));
  75 void fmtstr(char *, size_t, const char *, ...)
  76     __attribute__((__format__(__printf__,3,4)));
  77 void doformat(struct output *, const char *, va_list);
  78 int xwrite(int, char *, int);
  79 int xioctl(int, unsigned long, char *);
  80
  81 #define outc(c, file)   (--(file)->nleft < 0? (emptyoutbuf(file), *(file)->nextc++ = (c)) : (*(file)->nextc++ = (c)))
  82 #define out1c(c)        outc(c, out1)
  83 #define out2c(c)        outc(c, out2)
  84
  85 #define OUTPUT_INCL
  86 #endif