xref: /csrg-svn/usr.bin/window/error.c (revision 42835)
118737Sedward /*
233514Sbostic  * Copyright (c) 1983 Regents of the University of California.
333514Sbostic  * All rights reserved.
433514Sbostic  *
5*42835Sbostic  * %sccs.include.redist.c%
618737Sedward  */
718737Sedward 
833514Sbostic #ifndef lint
9*42835Sbostic static char sccsid[] = "@(#)error.c	3.15 (Berkeley) 06/02/90";
1033514Sbostic #endif /* not lint */
1133514Sbostic 
1214194Sedward #include "defs.h"
1315580Sedward #include "value.h"
1415580Sedward #include "context.h"
1516309Sedward #include "char.h"
1614194Sedward 
1714418Sedward #define ERRLINES 10			/* number of lines for errwin */
1814194Sedward 
1914194Sedward /*VARARGS1*/
2014194Sedward error(fmt, a, b, c, d, e, f, g, h)
2114194Sedward char *fmt;
2214194Sedward {
2316445Sedward 	register struct context *x;
2415681Sedward 	register struct ww *w;
2515681Sedward 
2616445Sedward 	for (x = &cx; x != 0 && x->x_type != X_FILE; x = x->x_link)
2716445Sedward 		;
2816445Sedward 	if (x == 0) {
2914194Sedward 		if (terse)
3016313Sedward 			wwbell();
3114194Sedward 		else {
3216121Sedward 			wwprintf(cmdwin, fmt, a, b, c, d, e, f, g, h);
3316121Sedward 			wwputs("  ", cmdwin);
3414194Sedward 		}
3514194Sedward 		return;
3614194Sedward 	}
3716445Sedward 	if (x->x_noerr)
3814194Sedward 		return;
3916445Sedward 	if ((w = x->x_errwin) == 0) {
4014194Sedward 		char buf[512];
4114194Sedward 
4216445Sedward 		(void) sprintf(buf, "Errors from %s", x->x_filename);
4316445Sedward 		if ((w = x->x_errwin = openiwin(ERRLINES, buf)) == 0) {
4416121Sedward 			wwputs("Can't open error window.  ", cmdwin);
4516445Sedward 			x->x_noerr = 1;
4614194Sedward 			return;
4714194Sedward 		}
4814194Sedward 	}
4915857Sedward 	if (more(w, 0) == 2) {
5016445Sedward 		x->x_noerr = 1;
5115857Sedward 		return;
5215857Sedward 	}
5316445Sedward 	wwprintf(w, "line %d: ", x->x_lineno);
5416121Sedward 	wwprintf(w, fmt, a, b, c, d, e, f, g, h);
5516121Sedward 	wwputc('\n', w);
5614194Sedward }
5714194Sedward 
5815580Sedward err_end()
5914194Sedward {
6016445Sedward 	if (cx.x_type == X_FILE && cx.x_errwin != 0) {
6115857Sedward 		if (!cx.x_noerr)
6215857Sedward 			waitnl(cx.x_errwin);
6315580Sedward 		closeiwin(cx.x_errwin);
6415580Sedward 		cx.x_errwin = 0;
6514194Sedward 	}
6614194Sedward }
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