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      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 
     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 
     21 int sepol_msg_get_level(sepol_handle_t * handle)
     22 {
     23 	return handle->msg_level;
     24 }
     25 
     26 hidden_def(sepol_msg_get_level)
     27 
     28 const char *sepol_msg_get_channel(sepol_handle_t * handle)
     29 {
     30 	return handle->msg_channel;
     31 }
     32 
     33 hidden_def(sepol_msg_get_channel)
     34 
     35 const char *sepol_msg_get_fname(sepol_handle_t * handle)
     36 {
     37 	return handle->msg_fname;
     38 }
     39 
     40 hidden_def(sepol_msg_get_fname)
     41 #ifdef __GNUC__
     42     __attribute__ ((format(printf, 3, 4)))
     43 #endif
     44 void hidden sepol_msg_default_handler(void *varg __attribute__ ((unused)),
     45 				      sepol_handle_t * handle,
     46 				      const char *fmt, ...)
     47 {
     48 
     49 	FILE *stream = NULL;
     50 
     51 	switch (sepol_msg_get_level(handle)) {
     52 
     53 	case SEPOL_MSG_ERR:
     54 	case SEPOL_MSG_WARN:
     55 		stream = stderr;
     56 		break;
     57 	case SEPOL_MSG_INFO:
     58 	default:
     59 		stream = stdout;
     60 		break;
     61 	}
     62 
     63 	fprintf(stream, "%s.%s: ",
     64 		sepol_msg_get_channel(handle), sepol_msg_get_fname(handle));
     65 
     66 	va_list ap;
     67 	va_start(ap, fmt);
     68 	vfprintf(stream, fmt, ap);
     69 	va_end(ap);
     70 
     71 	fprintf(stream, "\n");
     72 }
     73 
     74 extern void sepol_msg_set_callback(sepol_handle_t * handle,
     75 #ifdef __GNUC__
     76 				   __attribute__ ((format(printf, 3, 4)))
     77 #endif
     78 				   void (*msg_callback) (void *varg,
     79 							 sepol_handle_t *
     80 							 handle,
     81 							 const char *fmt, ...),
     82 				   void *msg_callback_arg)
     83 {
     84 
     85 	handle->msg_callback = msg_callback;
     86 	handle->msg_callback_arg = msg_callback_arg;
     87 }
     88