/usr.bin/window/error.c
C | 100 lines | 58 code | 9 blank | 33 comment | 20 complexity | 7d643017ff5a121704db5398e3f20871 MD5 | raw file
Possible License(s): AGPL-1.0, CC-BY-SA-3.0, LGPL-2.0, GPL-3.0, LGPL-2.1, LGPL-3.0, MPL-2.0-no-copyleft-exception, 0BSD, BSD-3-Clause, GPL-2.0
- /* @(#)error.c 8.1 (Berkeley) 6/6/93 */
- /* $NetBSD: error.c,v 1.6 2003/08/07 11:17:25 agc 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. 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 "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 != NULL && x->x_type != X_FILE; x = x->x_link)
- ;
- if (x == NULL) {
- if (terse)
- wwbell();
- else {
- wwvprintf(cmdwin, fmt, ap);
- wwputs(" ", cmdwin);
- }
- return;
- }
- if (x->x_noerr)
- return;
- if ((w = x->x_errwin) == NULL) {
- char buf[512];
- (void) snprintf(buf, sizeof(buf), "Errors from %s",
- x->x_filename);
- if ((w = x->x_errwin = openiwin(ERRLINES, buf)) == NULL) {
- 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;
- }
- }