简单日志输出管理

#define SOURCE_FILE_NAME (strrchr((char*)__FILE__, '/') == NULL) ? (char*)__FILE__ : (strrchr((char*)__FILE__, '/') + 1)
#define LOG_BUF_LEN 1024
#define LOG_OUT(level, color, msg...)
do{
unsigned char logBuf[LOG_BUF_LEN] = {0};
struct timeval tv;
gettimeofday(&tv, NULL);
snprintf(logBuf + strlen(logBuf), LOG_BUF_LEN-strlen(logBuf), "33[1;"color"m");
snprintf(logBuf + strlen(logBuf), LOG_BUF_LEN-strlen(logBuf), "[%ld.%03ld]:", tv.tv_sec, tv.tv_usec/1000);
snprintf(logBuf + strlen(logBuf), LOG_BUF_LEN-strlen(logBuf), "[%s]", level);
snprintf(logBuf + strlen(logBuf), LOG_BUF_LEN-strlen(logBuf), "[%ld]", syscall(SYS_gettid));
snprintf(logBuf + strlen(logBuf), LOG_BUF_LEN-strlen(logBuf), "[%s|%s|%d]:", SOURCE_FILE_NAME, __FUNCTION__, __LINE__);
snprintf(logBuf + strlen(logBuf), LOG_BUF_LEN-strlen(logBuf), msg);
snprintf(logBuf + strlen(logBuf), LOG_BUF_LEN-strlen(logBuf), "33[0m");
fprintf(stdout, "%s", logBuf);
}while(0)