1 // Copyright 2013 Google Inc. All Rights Reserved.
2 //
3 // Log - implemented using the standard Android logging mechanism
4
5 /*
6 * Qutoing from system/core/include/log/log.h:
7 * Normally we strip ALOGV (VERBOSE messages) from release builds.
8 * You can modify this (for example with "#define LOG_NDEBUG 0"
9 * at the top of your source file) to change that behavior.
10 */
11 #include "log.h"
12 #include <stdio.h>
13 #include <stdarg.h>
14
15 #define LOG_BUF_SIZE 1024
16 static int LOG_LEVEL = LOG_DEBUG;
17
18
InitLogging(LogPriority level)19 void InitLogging(LogPriority level)
20 {
21 if (level > 0)
22 LOG_LEVEL = level;
23 }
24
Log(const char * file,int line,LogPriority level,const char * fmt,...)25 void Log(const char* file, int line, LogPriority level, const char* fmt, ...)
26 {
27 if (level > LOG_LEVEL) {
28 return;
29 }
30
31 va_list ap;
32 char buf[LOG_BUF_SIZE];
33 va_start(ap, fmt);
34 vsnprintf(buf, LOG_BUF_SIZE, fmt, ap);
35 va_end(ap);
36
37 switch (level) {
38 case LOG_ERROR:
39 printf("LOG_ERROR: %s", buf);
40 break;
41 case LOG_WARN:
42 printf("LOG_WARN: %s", buf);
43 break;
44 case LOG_INFO:
45 printf("LOG_INFO: %s", buf);
46 break;
47 case LOG_DEBUG:
48 printf("LOG_DEBUG: %s", buf);
49 break;
50 default :
51 break;
52 }
53 }
54