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platform_system_core
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log: add compile-time checking when ALOGV is disabled 

Wrap the call in a if (0) when verbose logging is disabled
to provide compile time checking.

Also add a printf format attribute to the function to warn
if parameters are incorrect.

Change-Id: Ic77edeadcc4d886ca0f8b434f8550e18e22d5901
This commit is contained in:
Colin Cross 2014-02-06 20:07:50 -08:00
parent 4207df11c5
commit 810d19f99a
1 changed files with 14 additions and 7 deletions
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21
include/log/log.h
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@ -73,10 +73,11 @@ extern "C" {
* Simplified macro to send a verbose log message using the current LOG_TAG.
*/
#ifndef ALOGV
#define __ALOGV(...) ((void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
#if LOG_NDEBUG
#define ALOGV(...) ((void)0)
#define ALOGV(...) do { if (0) { __ALOGV(__VA_ARGS__); } } while (0)
#else
#define ALOGV(...) ((void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
#define ALOGV(...) __ALOGV(__VA_ARGS__)
#endif
#endif
@ -202,10 +203,11 @@ extern "C" {
* Simplified macro to send a verbose system log message using the current LOG_TAG.
*/
#ifndef SLOGV
#define __SLOGV(...) ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
#if LOG_NDEBUG
#define SLOGV(...) ((void)0)
#define SLOGV(...) do { if (0) { __SLOGV(__VA_ARGS__); } } while (0)
#else
#define SLOGV(...) ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
#define SLOGV(...) __SLOGV(__VA_ARGS__)
#endif
#endif
@ -284,10 +286,11 @@ extern "C" {
* Simplified macro to send a verbose radio log message using the current LOG_TAG.
*/
#ifndef RLOGV
#define __RLOGV(...) ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
#if LOG_NDEBUG
#define RLOGV(...) ((void)0)
#define RLOGV(...) do { if (0) { __RLOGV(__VA_ARGS__); } } while (0)
#else
#define RLOGV(...) ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
#define RLOGV(...) __RLOGV(__VA_ARGS__)
#endif
#endif
@ -557,7 +560,11 @@ typedef enum log_id {
* Send a simple string to the log.
*/
int __android_log_buf_write(int bufID, int prio, const char *tag, const char *text);
int __android_log_buf_print(int bufID, int prio, const char *tag, const char *fmt, ...);
int __android_log_buf_print(int bufID, int prio, const char *tag, const char *fmt, ...)
#if defined(__GNUC__)
__attribute__((__format__(printf, 4, 5)))
#endif
;
#ifdef __cplusplus
}