1 /* $NetBSD: error.c,v 1.6 2003/08/07 11:17:25 agc Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Edward Wang at The University of California, Berkeley. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)error.c 8.1 (Berkeley) 6/6/93"; 39 #else 40 __RCSID("$NetBSD: error.c,v 1.6 2003/08/07 11:17:25 agc Exp $"); 41 #endif 42 #endif /* not lint */ 43 44 #include "defs.h" 45 #include "context.h" 46 #include "char.h" 47 48 #define ERRLINES 10 /* number of lines for errwin */ 49 50 void 51 error(const char *fmt, ...) 52 { 53 va_list ap; 54 55 va_start(ap, fmt); 56 verror(fmt, ap); 57 va_end(ap); 58 } 59 60 void 61 verror(const char *fmt, va_list ap) 62 { 63 struct context *x; 64 struct ww *w; 65 66 for (x = &cx; x != 0 && x->x_type != X_FILE; x = x->x_link) 67 ; 68 if (x == 0) { 69 if (terse) 70 wwbell(); 71 else { 72 wwvprintf(cmdwin, fmt, ap); 73 wwputs(" ", cmdwin); 74 } 75 return; 76 } 77 if (x->x_noerr) 78 return; 79 if ((w = x->x_errwin) == 0) { 80 char buf[512]; 81 82 (void) snprintf(buf, sizeof(buf), "Errors from %s", 83 x->x_filename); 84 if ((w = x->x_errwin = openiwin(ERRLINES, buf)) == 0) { 85 wwputs("Can't open error window. ", cmdwin); 86 x->x_noerr = 1; 87 return; 88 } 89 } 90 if (more(w, 0) == 2) { 91 x->x_noerr = 1; 92 return; 93 } 94 wwprintf(w, "line %d: ", x->x_lineno); 95 wwvprintf(w, fmt, ap); 96 wwputc('\n', w); 97 } 98 99 void 100 err_end(void) 101 { 102 if (cx.x_type == X_FILE && cx.x_errwin != 0) { 103 if (!cx.x_noerr) 104 waitnl(cx.x_errwin); 105 closeiwin(cx.x_errwin); 106 cx.x_errwin = 0; 107 } 108 } 109