1 #include <stdarg.h>
2 #include <stdlib.h>
3 #include <stdio.h>
4 #include "handle.h"
5 #include "debug.h"
6
7 /* Deprecated */
8 struct sepol_handle sepol_compat_handle = {
9 .msg_callback = sepol_msg_default_handler,
10 .msg_callback_arg = NULL,
11 };
12
sepol_debug(int on)13 void sepol_debug(int on)
14 {
15 sepol_compat_handle.msg_callback = (on) ?
16 sepol_msg_default_handler : NULL;
17 }
18
19 /* End deprecated */
20
sepol_msg_get_level(sepol_handle_t * handle)21 int sepol_msg_get_level(sepol_handle_t * handle)
22 {
23 return handle->msg_level;
24 }
25
26
sepol_msg_get_channel(sepol_handle_t * handle)27 const char *sepol_msg_get_channel(sepol_handle_t * handle)
28 {
29 return handle->msg_channel;
30 }
31
32
sepol_msg_get_fname(sepol_handle_t * handle)33 const char *sepol_msg_get_fname(sepol_handle_t * handle)
34 {
35 return handle->msg_fname;
36 }
37
38 #ifdef __GNUC__
39 __attribute__ ((format(printf, 3, 4)))
40 #endif
sepol_msg_default_handler(void * varg,sepol_handle_t * handle,const char * fmt,...)41 void sepol_msg_default_handler(void *varg __attribute__ ((unused)),
42 sepol_handle_t * handle,
43 const char *fmt, ...)
44 {
45
46 FILE *stream = NULL;
47 va_list ap;
48
49 switch (sepol_msg_get_level(handle)) {
50
51 case SEPOL_MSG_ERR:
52 case SEPOL_MSG_WARN:
53 stream = stderr;
54 break;
55 case SEPOL_MSG_INFO:
56 default:
57 stream = stdout;
58 break;
59 }
60
61 fprintf(stream, "%s.%s: ",
62 sepol_msg_get_channel(handle), sepol_msg_get_fname(handle));
63
64 va_start(ap, fmt);
65 vfprintf(stream, fmt, ap);
66 va_end(ap);
67
68 fprintf(stream, "\n");
69 }
70
sepol_msg_set_callback(sepol_handle_t * handle,void (* msg_callback)(void * varg,sepol_handle_t * handle,const char * fmt,...),void * msg_callback_arg)71 extern void sepol_msg_set_callback(sepol_handle_t * handle,
72 #ifdef __GNUC__
73 __attribute__ ((format(printf, 3, 4)))
74 #endif
75 void (*msg_callback) (void *varg,
76 sepol_handle_t *
77 handle,
78 const char *fmt, ...),
79 void *msg_callback_arg)
80 {
81
82 handle->msg_callback = msg_callback;
83 handle->msg_callback_arg = msg_callback_arg;
84 }
85