usr.bin/window/error.c

   1 /*
   2  * Copyright (c) 1983, 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  * Edward Wang at The University of California, Berkeley.
   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  * @(#)error.c  8.1 (Berkeley) 6/6/93
  37  * $FreeBSD: src/usr.bin/window/error.c,v 1.1.1.1.14.1 2001/05/17 09:45:00 obrien Exp $
  38  * $DragonFly: src/usr.bin/window/error.c,v 1.3 2005/04/15 19:55:29 drhodus Exp $
  39  */
  40
  41 #include "defs.h"
  42 #include "value.h"
  43 #include "context.h"
  44 #include "char.h"
  45
  46 #define ERRLINES 10                     /* number of lines for errwin */
  47
  48 /*VARARGS1*/
  49 error(fmt, a, b, c, d, e, f, g, h)
  50 char *fmt;
  51 {
  52         struct context *x;
  53         struct ww *w;
  54
  55         for (x = &cx; x != 0 && x->x_type != X_FILE; x = x->x_link)
  56                 ;
  57         if (x == 0) {
  58                 if (terse)
  59                         wwbell();
  60                 else {
  61                         wwprintf(cmdwin, fmt, a, b, c, d, e, f, g, h);
  62                         wwputs("  ", cmdwin);
  63                 }
  64                 return;
  65         }
  66         if (x->x_noerr)
  67                 return;
  68         if ((w = x->x_errwin) == 0) {
  69                 char buf[512];
  70
  71                 (void) sprintf(buf, "Errors from %s", x->x_filename);
  72                 if ((w = x->x_errwin = openiwin(ERRLINES, buf)) == 0) {
  73                         wwputs("Can't open error window.  ", cmdwin);
  74                         x->x_noerr = 1;
  75                         return;
  76                 }
  77         }
  78         if (more(w, 0) == 2) {
  79                 x->x_noerr = 1;
  80                 return;
  81         }
  82         wwprintf(w, "line %d: ", x->x_lineno);
  83         wwprintf(w, fmt, a, b, c, d, e, f, g, h);
  84         wwputc('\n', w);
  85 }
  86
  87 err_end()
  88 {
  89         if (cx.x_type == X_FILE && cx.x_errwin != 0) {
  90                 if (!cx.x_noerr)
  91                         waitnl(cx.x_errwin);
  92                 closeiwin(cx.x_errwin);
  93                 cx.x_errwin = 0;
  94         }
  95 }