NetBSD/usr.bin/window/error.c

113 lines
3.2 KiB
C

/* $NetBSD: error.c,v 1.5 2002/06/14 01:06:52 wiz Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Edward Wang at The University of California, Berkeley.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)error.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: error.c,v 1.5 2002/06/14 01:06:52 wiz Exp $");
#endif
#endif /* not lint */
#include "defs.h"
#include "context.h"
#include "char.h"
#define ERRLINES 10 /* number of lines for errwin */
void
error(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
verror(fmt, ap);
va_end(ap);
}
void
verror(const char *fmt, va_list ap)
{
struct context *x;
struct ww *w;
for (x = &cx; x != 0 && x->x_type != X_FILE; x = x->x_link)
;
if (x == 0) {
if (terse)
wwbell();
else {
wwvprintf(cmdwin, fmt, ap);
wwputs(" ", cmdwin);
}
return;
}
if (x->x_noerr)
return;
if ((w = x->x_errwin) == 0) {
char buf[512];
(void) snprintf(buf, sizeof(buf), "Errors from %s",
x->x_filename);
if ((w = x->x_errwin = openiwin(ERRLINES, buf)) == 0) {
wwputs("Can't open error window. ", cmdwin);
x->x_noerr = 1;
return;
}
}
if (more(w, 0) == 2) {
x->x_noerr = 1;
return;
}
wwprintf(w, "line %d: ", x->x_lineno);
wwvprintf(w, fmt, ap);
wwputc('\n', w);
}
void
err_end(void)
{
if (cx.x_type == X_FILE && cx.x_errwin != 0) {
if (!cx.x_noerr)
waitnl(cx.x_errwin);
closeiwin(cx.x_errwin);
cx.x_errwin = 0;
}
}