1 /* @(#)error.c 8.1 (Berkeley) 6/6/93 */ 2 /* $NetBSD: error.c,v 1.6 2003/08/07 11:17:25 agc 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 #include "defs.h" 37 #include "context.h" 38 #include "char.h" 39 40 #define ERRLINES 10 /* number of lines for errwin */ 41 42 void 43 error(const char *fmt, ...) 44 { 45 va_list ap; 46 47 va_start(ap, fmt); 48 verror(fmt, ap); 49 va_end(ap); 50 } 51 52 void 53 verror(const char *fmt, va_list ap) 54 { 55 struct context *x; 56 struct ww *w; 57 58 for (x = &cx; x != NULL && x->x_type != X_FILE; x = x->x_link) 59 ; 60 if (x == NULL) { 61 if (terse) 62 wwbell(); 63 else { 64 wwvprintf(cmdwin, fmt, ap); 65 wwputs(" ", cmdwin); 66 } 67 return; 68 } 69 if (x->x_noerr) 70 return; 71 if ((w = x->x_errwin) == NULL) { 72 char buf[512]; 73 74 (void) snprintf(buf, sizeof(buf), "Errors from %s", 75 x->x_filename); 76 if ((w = x->x_errwin = openiwin(ERRLINES, buf)) == NULL) { 77 wwputs("Can't open error window. ", cmdwin); 78 x->x_noerr = 1; 79 return; 80 } 81 } 82 if (more(w, 0) == 2) { 83 x->x_noerr = 1; 84 return; 85 } 86 wwprintf(w, "line %d: ", x->x_lineno); 87 wwvprintf(w, fmt, ap); 88 wwputc('\n', w); 89 } 90 91 void 92 err_end(void) 93 { 94 if (cx.x_type == X_FILE && cx.x_errwin != 0) { 95 if (!cx.x_noerr) 96 waitnl(cx.x_errwin); 97 closeiwin(cx.x_errwin); 98 cx.x_errwin = 0; 99 } 100 } 101