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