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
26 extern int debug;
27 extern char *progname;
28
29 /*
30 * This is initialized so you get stderr until you call
31 * report_init()
32 */
33 static int stderr_only = 1;
34
35 void
report_init(nolog)36 report_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
59 static 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 };
84 static 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 */
91 void
report(int priority,const char * fmt,...)92 report(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 */
122 const char *
get_errmsg()123 get_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