1 /* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */
2
3 #include <stdarg.h>
4
5 #include "libmctp.h"
6 #include "libmctp-log.h"
7
8 #ifdef HAVE_CONFIG_H
9 #include "config.h"
10 #endif
11
12 #ifdef MCTP_HAVE_STDIO
13 #include <stdio.h>
14 #endif
15
16 #ifdef MCTP_HAVE_SYSLOG
17 #include <syslog.h>
18 #endif
19
20 enum {
21 MCTP_LOG_NONE,
22 MCTP_LOG_STDIO,
23 MCTP_LOG_SYSLOG,
24 MCTP_LOG_CUSTOM,
25 } log_type = MCTP_LOG_NONE;
26
27 static int log_stdio_level;
28 static void (*log_custom_fn)(int, const char *, va_list);
29
mctp_prlog(int level,const char * fmt,...)30 void mctp_prlog(int level, const char *fmt, ...)
31 {
32 va_list ap;
33
34 va_start(ap, fmt);
35
36 switch (log_type) {
37 case MCTP_LOG_NONE:
38 break;
39 case MCTP_LOG_STDIO:
40 #ifdef MCTP_HAVE_STDIO
41 if (level <= log_stdio_level) {
42 vfprintf(stderr, fmt, ap);
43 fputs("\n", stderr);
44 }
45 #endif
46 break;
47 case MCTP_LOG_SYSLOG:
48 #ifdef MCTP_HAVE_SYSLOG
49 vsyslog(level, fmt, ap);
50 #endif
51 break;
52 case MCTP_LOG_CUSTOM:
53 log_custom_fn(level, fmt, ap);
54 break;
55 }
56
57 va_end(ap);
58 }
59
mctp_set_log_stdio(int level)60 void mctp_set_log_stdio(int level)
61 {
62 log_type = MCTP_LOG_STDIO;
63 log_stdio_level = level;
64 }
65
mctp_set_log_syslog(void)66 void mctp_set_log_syslog(void)
67 {
68 log_type = MCTP_LOG_SYSLOG;
69 }
70
mctp_set_log_custom(void (* fn)(int,const char *,va_list))71 void mctp_set_log_custom(void (*fn)(int, const char *, va_list))
72 {
73 log_type = MCTP_LOG_CUSTOM;
74 log_custom_fn = fn;
75 }
76