android cpp 添加log 日志

Androd.bp

cc_binary {
    name: "xxx",
    srcs: ["xxx.c"],
    cflags: ["-Werror"],

    shared_libs: [
        "libbase",
        "libcutils",
        "liblog",
    ],
}

#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <ctype.h>
#include <poll.h>
#include <sys/ioctl.h>
#include <linux/ioctl.h>
#include <android/log.h>
#define DEBUG
#define ANDROID_PLATFORM
#define LOG_TAG "XXX"
#ifdef DEBUG
    #ifdef ANDROID_PLATFORM
        #define LOGD(...) ((void)__android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__))
        #define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__))
        #define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__))
        #define LOGE(...) ((void)__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__))
    #else
        #define LOGD(fmt, ...) printf(fmt"\n", ##__VA_ARGS__)
        #define LOGI(fmt, ...) printf(fmt"\n", ##__VA_ARGS__)
        #define LOGW(fmt, ...) printf(fmt"\n", ##__VA_ARGS__)
        #define LOGE(fmt, ...) printf(fmt"\n", ##__VA_ARGS__)
    #endif
#else
    #define LOGD(...)
    #define LOGI(...)
    #define LOGW(...)
    #define LOGE(...)
#endif

int main(int argc, char **argv)
{
    LOGD("just logcat test!");
    return 0;
}

下面主要考虑user 版本

type xxx_logcat, domain;
type xxx_logcat_exec, exec_type, file_type, vendor_file_type;

init_daemon_domain(xxx_logcat)

not_full_treble(`allow xxx_logcat shell_exec:file rx_file_perms;')
full_treble_only(`allow xxx_logcat vendor_shell_exec:file rx_file_perms;')