Print log with function name in android ndk.

log.h

#ifndef TEST_ANDROID_LOG_H
#define TEST_ANDROID_LOG_H

#include <android/log.h>

#define  LOG_TAG    "NDK_TEST"
#define  LOGUNK(...) Log::unk( __func__ , Log::toString(__VA_ARGS__))
#define  LOGDEF(...) Log::def( __func__ , Log::toString(__VA_ARGS__))
#define  LOGV(...)   Log::v(__func__ , Log::toString(__VA_ARGS__))
#define  LOGD(...)   Log::d(__func__ , Log::toString(__VA_ARGS__))
#define  LOGI(...)   Log::i(__func__ , Log::toString(__VA_ARGS__))
#define  LOGW(...)   Log::w(__func__ , Log::toString(__VA_ARGS__))
#define  LOGE(...)   Log::e(__func__ , Log::toString(__VA_ARGS__))
#define  LOGF(...)   Log::f(__func__ , Log::toString(__VA_ARGS__))
#define  LOGS(...)   Log::g(ANDROID_LOG_UNKNOWN_func__ , Log::toString(__VA_ARGS__))

class Log {
public:
    static void unk(const char *function, const std::string &msg) { Log::print(ANDROID_LOG_UNKNOWN, function, msg); }
    static void def(const char *function, const std::string &msg) {  Log::print(ANDROID_LOG_DEFAULT, function, msg); }
    static void v(const char *function, const std::string &msg) {  Log::print(ANDROID_LOG_VERBOSE, function, msg); }
    static void d(const char *function, const std::string &msg) {  Log::print(ANDROID_LOG_DEBUG, function, msg); }
    static void i(const char *function, const std::string &msg) {  Log::print(ANDROID_LOG_INFO, function, msg); }
    static void w(const char *function, const std::string &msg) {  Log::print(ANDROID_LOG_WARN, function, msg); }
    static void e(const char *function, const std::string &msg) {  Log::print(ANDROID_LOG_ERROR, function, msg); }
    static void f(const char *function, const std::string &msg) {  Log::print(ANDROID_LOG_FATAL, function, msg); }
    static void s(const char *function, const std::string &msg) {  Log::print(ANDROID_LOG_SILENT, function, msg); }
    static std::string toString(const char *fmt, ...) {
        char *ret;
        va_list ap;

        va_start(ap, fmt);
        vasprintf(&ret, fmt, ap);
        va_end(ap);

        std::string str(ret);
        free(ret);

        return str;
    }
private:
    static void print(android_LogPriority priority, const char *function, const std::string &msg) {
        std::string pack = std::string(function) + "::" + msg;
        __android_log_print(priority, LOG_TAG, "%s", pack.c_str());
    }
};

#endif //TEST_ANDROID_LOG_H

NDK에서 로그를 출력할 때 함수 로그가 호출된 함수의 이름과 같이 출력합니다.
include "Log.h"로 추가하고, LOGD("Hello World! %d", 123); 과 같은 방법으로 사용합니다.