1 /* $OpenBSD: errwarn.c,v 1.7 2004/05/04 22:23:01 mickey Exp $ */
3 /* Errors and warnings... */
6 * Copyright (c) 1996 The Internet Software Consortium.
8 * Copyright (c) 1995 RadioMail Corporation. All rights reserved.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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 RadioMail Corporation, the Internet Software
20 * Consortium nor the names of its contributors may be used to endorse
21 * or promote products derived from this software without specific
22 * prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY RADIOMAIL CORPORATION, THE INTERNET
25 * SOFTWARE CONSORTIUM AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
27 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL RADIOMAIL CORPORATION OR CONTRIBUTORS
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
35 * OF THE POSSIBILITY OF SUCH DAMAGE.
37 * This software was written for RadioMail Corporation by Ted Lemon
38 * under a contract with Vixie Enterprises. Further modifications have
39 * been made for the Internet Software Consortium under a contract
40 * with Vixie Laboratories.
43 #include <sys/cdefs.h>
44 __FBSDID("$FreeBSD$");
50 static void do_percentm(char *obuf, size_t size, char *ibuf);
52 static char mbuf[1024];
53 static char fbuf[1024];
55 int warnings_occurred;
58 * Log an error message, then exit.
65 do_percentm(fbuf, sizeof(fbuf), fmt);
68 vsnprintf(mbuf, sizeof(mbuf), fbuf, list);
72 syslog(log_priority | LOG_ERR, "%s", mbuf);
75 /* Also log it to stderr? */
77 write(2, mbuf, strlen(mbuf));
81 syslog(LOG_CRIT, "exiting.");
83 fprintf(stderr, "exiting.\n");
90 * Log a warning message...
93 warning(char *fmt, ...)
97 do_percentm(fbuf, sizeof(fbuf), fmt);
100 vsnprintf(mbuf, sizeof(mbuf), fbuf, list);
104 syslog(log_priority | LOG_ERR, "%s", mbuf);
108 write(2, mbuf, strlen(mbuf));
123 do_percentm(fbuf, sizeof(fbuf), fmt);
126 vsnprintf(mbuf, sizeof(mbuf), fbuf, list);
130 syslog(log_priority | LOG_INFO, "%s", mbuf);
134 write(2, mbuf, strlen(mbuf));
142 * Log a debug message...
145 debug(char *fmt, ...)
149 do_percentm(fbuf, sizeof(fbuf), fmt);
152 vsnprintf(mbuf, sizeof(mbuf), fbuf, list);
156 syslog(log_priority | LOG_DEBUG, "%s", mbuf);
160 write(2, mbuf, strlen(mbuf));
168 * Find %m in the input string and substitute an error message string.
171 do_percentm(char *obuf, size_t size, char *ibuf)
178 int saved_errno = errno;
181 * We wouldn't need this mess if printf handled %m, or if
182 * strerror() had been invented before syslog().
184 for (fmt_left = size; (ch = *s); ++s) {
185 if (ch == '%' && s[1] == 'm') {
187 prlen = snprintf(t, fmt_left, "%s",
188 strerror(saved_errno));
189 if (prlen >= fmt_left)
190 prlen = fmt_left - 1;
204 parse_warn(char *fmt, ...)
207 static char spaces[] =
211 do_percentm(mbuf, sizeof(mbuf), fmt);
212 snprintf(fbuf, sizeof(fbuf), "%s line %d: %s", tlname, lexline, mbuf);
214 vsnprintf(mbuf, sizeof(mbuf), fbuf, list);
218 syslog(log_priority | LOG_ERR, "%s", mbuf);
219 syslog(log_priority | LOG_ERR, "%s", token_line);
221 syslog(log_priority | LOG_ERR,
222 "%s^", &spaces[sizeof(spaces) - lexchar]);
226 write(2, mbuf, strlen(mbuf));
228 write(2, token_line, strlen(token_line));
230 write(2, spaces, lexchar - 1);
234 warnings_occurred = 1;