1 /*	$OpenBSD: error.c,v 1.6 2003/06/03 02:56:23 millert Exp $	*/
2 /*	$NetBSD: error.c,v 1.3 1995/09/28 10:34:20 tls Exp $	*/
3 
4 /*
5  * Copyright (c) 1983, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * Edward Wang at The University of California, Berkeley.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #ifndef lint
37 #if 0
38 static char sccsid[] = "@(#)error.c	8.1 (Berkeley) 6/6/93";
39 #else
40 static char rcsid[] = "$OpenBSD: error.c,v 1.6 2003/06/03 02:56:23 millert Exp $";
41 #endif
42 #endif /* not lint */
43 
44 #include "defs.h"
45 #include "value.h"
46 #include "context.h"
47 #include "char.h"
48 
49 #define ERRLINES 10			/* number of lines for errwin */
50 
51 /*VARARGS1*/
error(fmt,a,b,c,d,e,f,g,h)52 error(fmt, a, b, c, d, e, f, g, h)
53 char *fmt;
54 {
55 	struct context *x;
56 	struct ww *w;
57 
58 	for (x = &cx; x != 0 && x->x_type != X_FILE; x = x->x_link)
59 		;
60 	if (x == 0) {
61 		if (terse)
62 			wwbell();
63 		else {
64 			wwprintf(cmdwin, fmt, a, b, c, d, e, f, g, h);
65 			wwputs("  ", cmdwin);
66 		}
67 		return;
68 	}
69 	if (x->x_noerr)
70 		return;
71 	if ((w = x->x_errwin) == 0) {
72 		char buf[512];
73 
74 		(void) snprintf(buf, sizeof buf, "Errors from %s", x->x_filename);
75 		if ((w = x->x_errwin = openiwin(ERRLINES, buf)) == 0) {
76 			wwputs("Can't open error window.  ", cmdwin);
77 			x->x_noerr = 1;
78 			return;
79 		}
80 	}
81 	if (more(w, 0) == 2) {
82 		x->x_noerr = 1;
83 		return;
84 	}
85 	wwprintf(w, "line %d: ", x->x_lineno);
86 	wwprintf(w, fmt, a, b, c, d, e, f, g, h);
87 	wwputc('\n', w);
88 }
89 
err_end()90 err_end()
91 {
92 	if (cx.x_type == X_FILE && cx.x_errwin != 0) {
93 		if (!cx.x_noerr)
94 			waitnl(cx.x_errwin);
95 		closeiwin(cx.x_errwin);
96 		cx.x_errwin = 0;
97 	}
98 }
99