xref: /netbsd/usr.sbin/bootp/common/report.c (revision bf9ec67e)
1 /*	$NetBSD: report.c,v 1.5 2000/10/11 20:23:49 is Exp $	*/
2 
3 #include <sys/cdefs.h>
4 #ifndef lint
5 __RCSID("$NetBSD: report.c,v 1.5 2000/10/11 20:23:49 is Exp $");
6 #endif
7 
8 /*
9  * report() - calls syslog
10  */
11 
12 #ifdef	__STDC__
13 #include <stdarg.h>
14 #else
15 #include <varargs.h>
16 #endif
17 
18 #include <stdio.h>
19 #include <string.h>
20 #include <syslog.h>
21 
22 #include "report.h"
23 
24 #ifndef LOG_NDELAY
25 #define LOG_NDELAY	0
26 #endif
27 #ifndef LOG_DAEMON
28 #define LOG_DAEMON	0
29 #endif
30 #ifndef	LOG_BOOTP
31 #define LOG_BOOTP	LOG_DAEMON
32 #endif
33 
34 extern int debug;
35 extern char *progname;
36 
37 /*
38  * This is initialized so you get stderr until you call
39  *	report_init()
40  */
41 static int stderr_only = 1;
42 
43 void
44 report_init(nolog)
45 	int nolog;
46 {
47 	stderr_only = nolog;
48 #ifdef SYSLOG
49 	if (!stderr_only) {
50 		openlog(progname, LOG_PID | LOG_NDELAY, LOG_BOOTP);
51 	}
52 #endif
53 }
54 
55 /*
56  * This routine reports errors and such via stderr and syslog() if
57  * appopriate.  It just helps avoid a lot of "#ifdef SYSLOG" constructs
58  * from being scattered throughout the code.
59  *
60  * The syntax is identical to syslog(3), but %m is not considered special
61  * for output to stderr (i.e. you'll see "%m" in the output. . .).  Also,
62  * control strings should normally end with \n since newlines aren't
63  * automatically generated for stderr output (whereas syslog strips out all
64  * newlines and adds its own at the end).
65  */
66 
67 static char *levelnames[] = {
68 #ifdef LOG_SALERT
69 	"level(0): ",
70 	"alert(1): ",
71 	"alert(2): ",
72 	"emerg(3): ",
73 	"error(4): ",
74 	"crit(5):  ",
75 	"warn(6):  ",
76 	"note(7):  ",
77 	"info(8):  ",
78 	"debug(9): ",
79 	"level(?): "
80 #else
81 	"emerg(0): ",
82 	"alert(1): ",
83 	"crit(2):  ",
84 	"error(3): ",
85 	"warn(4):  ",
86 	"note(5):  ",
87 	"info(6):  ",
88 	"debug(7): ",
89 	"level(?): "
90 #endif
91 };
92 static int numlevels = sizeof(levelnames) / sizeof(levelnames[0]);
93 
94 
95 /*
96  * Print a log message using syslog(3) and/or stderr.
97  * The message passed in should not include a newline.
98  */
99 #ifdef	__STDC__
100 void
101 report(int priority, const char *fmt,...)
102 #else
103 /*VARARGS2*/
104 void
105 report(priority, fmt, va_alist)
106 	int priority;
107 	const char *fmt;
108 	va_dcl
109 #endif
110 {
111 	va_list ap;
112 	static char buf[128];
113 
114 	if ((priority < 0) || (priority >= numlevels)) {
115 		priority = numlevels - 1;
116 	}
117 #ifdef	__STDC__
118 	va_start(ap, fmt);
119 #else
120 	va_start(ap);
121 #endif
122 	vsprintf(buf, fmt, ap);
123 	va_end(ap);
124 
125 	/*
126 	 * Print the message
127 	 */
128 	if (stderr_only || (debug > 2)) {
129 		fprintf(stderr, "%s: %s %s\n",
130 				progname, levelnames[priority], buf);
131 	}
132 #ifdef SYSLOG
133 	if (!stderr_only)
134 		syslog((priority | LOG_BOOTP), "%s", buf);
135 #endif
136 }
137 
138 
139 
140 /*
141  * Return pointer to static string which gives full filesystem error message.
142  */
143 const char *
144 get_errmsg()
145 {
146 	extern int errno;
147 
148 	return strerror(errno);
149 }
150 
151 /*
152  * Local Variables:
153  * tab-width: 4
154  * c-indent-level: 4
155  * c-argdecl-indent: 4
156  * c-continued-statement-offset: 4
157  * c-continued-brace-offset: -4
158  * c-label-offset: -4
159  * c-brace-offset: 0
160  * End:
161  */
162