1/* $FreeBSD$ */
2
3/*
4 * report() - calls syslog
5 */
6
7#include <stdarg.h>
8
9#include <stdio.h>
10#include <syslog.h>
11#include <string.h>
12#include <errno.h>
13
14#include "report.h"
15
16#ifndef LOG_NDELAY
17#define LOG_NDELAY	0
18#endif
19#ifndef LOG_DAEMON
20#define LOG_DAEMON	0
21#endif
22#ifndef	LOG_BOOTP
23#define LOG_BOOTP	LOG_DAEMON
24#endif
25
26extern int debug;
27extern char *progname;
28
29/*
30 * This is initialized so you get stderr until you call
31 *	report_init()
32 */
33static int stderr_only = 1;
34
35void
36report_init(nolog)
37	int nolog;
38{
39	stderr_only = nolog;
40#ifdef SYSLOG
41	if (!stderr_only) {
42		openlog(progname, LOG_PID | LOG_NDELAY, LOG_BOOTP);
43	}
44#endif
45}
46
47/*
48 * This routine reports errors and such via stderr and syslog() if
49 * appopriate.  It just helps avoid a lot of "#ifdef SYSLOG" constructs
50 * from being scattered throughout the code.
51 *
52 * The syntax is identical to syslog(3), but %m is not considered special
53 * for output to stderr (i.e. you'll see "%m" in the output. . .).  Also,
54 * control strings should normally end with \n since newlines aren't
55 * automatically generated for stderr output (whereas syslog strips out all
56 * newlines and adds its own at the end).
57 */
58
59static char *levelnames[] = {
60#ifdef LOG_SALERT
61	"level(0): ",
62	"alert(1): ",
63	"alert(2): ",
64	"emerg(3): ",
65	"error(4): ",
66	"crit(5):  ",
67	"warn(6):  ",
68	"note(7):  ",
69	"info(8):  ",
70	"debug(9): ",
71	"level(?): "
72#else
73	"emerg(0): ",
74	"alert(1): ",
75	"crit(2):  ",
76	"error(3): ",
77	"warn(4):  ",
78	"note(5):  ",
79	"info(6):  ",
80	"debug(7): ",
81	"level(?): "
82#endif
83};
84static int numlevels = sizeof(levelnames) / sizeof(levelnames[0]);
85
86
87/*
88 * Print a log message using syslog(3) and/or stderr.
89 * The message passed in should not include a newline.
90 */
91void
92report(int priority, const char *fmt,...)
93{
94	va_list ap;
95	static char buf[128];
96
97	if ((priority < 0) || (priority >= numlevels)) {
98		priority = numlevels - 1;
99	}
100	va_start(ap, fmt);
101	vsnprintf(buf, sizeof(buf), fmt, ap);
102	va_end(ap);
103
104	/*
105	 * Print the message
106	 */
107	if (stderr_only || (debug > 2)) {
108		fprintf(stderr, "%s: %s %s\n",
109				progname, levelnames[priority], buf);
110	}
111#ifdef SYSLOG
112	if (!stderr_only)
113		syslog((priority | LOG_BOOTP), "%s", buf);
114#endif
115}
116
117
118
119/*
120 * Return pointer to static string which gives full filesystem error message.
121 */
122const char *
123get_errmsg()
124{
125	return strerror(errno);
126}
127
128/*
129 * Local Variables:
130 * tab-width: 4
131 * c-indent-level: 4
132 * c-argdecl-indent: 4
133 * c-continued-statement-offset: 4
134 * c-continued-brace-offset: -4
135 * c-label-offset: -4
136 * c-brace-offset: 0
137 * End:
138 */
139