2 8d1b399b 2021-07-22 op * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
4 8d1b399b 2021-07-22 op * Permission to use, copy, modify, and distribute this software for any
5 8d1b399b 2021-07-22 op * purpose with or without fee is hereby granted, provided that the above
6 8d1b399b 2021-07-22 op * copyright notice and this permission notice appear in all copies.
8 8d1b399b 2021-07-22 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 8d1b399b 2021-07-22 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 8d1b399b 2021-07-22 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 8d1b399b 2021-07-22 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 8d1b399b 2021-07-22 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 8d1b399b 2021-07-22 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 8d1b399b 2021-07-22 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 8d1b399b 2021-07-22 op #include "compat.h"
19 8d1b399b 2021-07-22 op #include <stdio.h>
20 8d1b399b 2021-07-22 op #include <stdlib.h>
21 8d1b399b 2021-07-22 op #include <stdarg.h>
22 8d1b399b 2021-07-22 op #include <string.h>
23 8d1b399b 2021-07-22 op #include <syslog.h>
24 8d1b399b 2021-07-22 op #include <errno.h>
25 8d1b399b 2021-07-22 op #include <time.h>
27 8d1b399b 2021-07-22 op #include "log.h"
29 8d1b399b 2021-07-22 op static int debug;
30 8d1b399b 2021-07-22 op static int verbose;
31 8d1b399b 2021-07-22 op static const char *log_procname;
34 8d1b399b 2021-07-22 op log_init(int n_debug, int facility)
36 8d1b399b 2021-07-22 op debug = n_debug;
37 8d1b399b 2021-07-22 op verbose = n_debug;
38 8d1b399b 2021-07-22 op log_procinit(getprogname());
41 8d1b399b 2021-07-22 op openlog(getprogname(), LOG_PID | LOG_NDELAY, facility);
47 8d1b399b 2021-07-22 op log_procinit(const char *procname)
49 8d1b399b 2021-07-22 op if (procname != NULL)
50 8d1b399b 2021-07-22 op log_procname = procname;
54 8d1b399b 2021-07-22 op log_setverbose(int v)
60 8d1b399b 2021-07-22 op log_getverbose(void)
62 8d1b399b 2021-07-22 op return (verbose);
66 8d1b399b 2021-07-22 op logit(int pri, const char *fmt, ...)
70 8d1b399b 2021-07-22 op va_start(ap, fmt);
71 8d1b399b 2021-07-22 op vlog(pri, fmt, ap);
76 8d1b399b 2021-07-22 op vlog(int pri, const char *fmt, va_list ap)
79 8d1b399b 2021-07-22 op int saved_errno = errno;
82 8d1b399b 2021-07-22 op /* best effort in out of mem situations */
83 8d1b399b 2021-07-22 op if (asprintf(&nfmt, "%s\n", fmt) == -1) {
84 8d1b399b 2021-07-22 op vfprintf(stderr, fmt, ap);
85 8d1b399b 2021-07-22 op fprintf(stderr, "\n");
87 8d1b399b 2021-07-22 op vfprintf(stderr, nfmt, ap);
90 8d1b399b 2021-07-22 op fflush(stderr);
92 8d1b399b 2021-07-22 op vsyslog(pri, fmt, ap);
94 8d1b399b 2021-07-22 op errno = saved_errno;
98 8d1b399b 2021-07-22 op log_warn(const char *emsg, ...)
102 8d1b399b 2021-07-22 op int saved_errno = errno;
104 8d1b399b 2021-07-22 op /* best effort to even work in out of memory situations */
105 8d1b399b 2021-07-22 op if (emsg == NULL)
106 8d1b399b 2021-07-22 op logit(LOG_ERR, "%s", strerror(saved_errno));
108 8d1b399b 2021-07-22 op va_start(ap, emsg);
110 8d1b399b 2021-07-22 op if (asprintf(&nfmt, "%s: %s", emsg,
111 8d1b399b 2021-07-22 op strerror(saved_errno)) == -1) {
112 8d1b399b 2021-07-22 op /* we tried it... */
113 8d1b399b 2021-07-22 op vlog(LOG_ERR, emsg, ap);
114 8d1b399b 2021-07-22 op logit(LOG_ERR, "%s", strerror(saved_errno));
116 8d1b399b 2021-07-22 op vlog(LOG_ERR, nfmt, ap);
122 8d1b399b 2021-07-22 op errno = saved_errno;
126 8d1b399b 2021-07-22 op log_warnx(const char *emsg, ...)
130 8d1b399b 2021-07-22 op va_start(ap, emsg);
131 8d1b399b 2021-07-22 op vlog(LOG_ERR, emsg, ap);
136 8d1b399b 2021-07-22 op log_info(const char *emsg, ...)
140 8d1b399b 2021-07-22 op va_start(ap, emsg);
141 8d1b399b 2021-07-22 op vlog(LOG_INFO, emsg, ap);
146 8d1b399b 2021-07-22 op log_debug(const char *emsg, ...)
150 8d1b399b 2021-07-22 op if (verbose) {
151 8d1b399b 2021-07-22 op va_start(ap, emsg);
152 8d1b399b 2021-07-22 op vlog(LOG_DEBUG, emsg, ap);
158 8d1b399b 2021-07-22 op vfatalc(int code, const char *emsg, va_list ap)
160 8d1b399b 2021-07-22 op static char s[BUFSIZ];
161 8d1b399b 2021-07-22 op const char *sep;
163 8d1b399b 2021-07-22 op if (emsg != NULL) {
164 8d1b399b 2021-07-22 op (void)vsnprintf(s, sizeof(s), emsg, ap);
171 8d1b399b 2021-07-22 op logit(LOG_CRIT, "fatal in %s: %s%s%s",
172 8d1b399b 2021-07-22 op log_procname, s, sep, strerror(code));
174 8d1b399b 2021-07-22 op logit(LOG_CRIT, "fatal in %s%s%s", log_procname, sep, s);
178 8d1b399b 2021-07-22 op fatal(const char *emsg, ...)
182 8d1b399b 2021-07-22 op va_start(ap, emsg);
183 8d1b399b 2021-07-22 op vfatalc(errno, emsg, ap);
189 8d1b399b 2021-07-22 op fatalx(const char *emsg, ...)
193 8d1b399b 2021-07-22 op va_start(ap, emsg);
194 8d1b399b 2021-07-22 op vfatalc(0, emsg, ap);