Function throwException

tensorflow/java/src/main/native/exception_jni.cc:30–44

    "java/lang/UnsupportedOperationException";

void throwException(JNIEnv* env, const char* clazz, const char* fmt, ...) {
  va_list args;
  va_start(args, fmt);
  // Using vsnprintf() instead of vasprintf() because the latter doesn't seem to
  // be easily available on Windows.
  const size_t max_msg_len = 512;
  char* message = static_cast<char*>(malloc(max_msg_len));
  if (vsnprintf(message, max_msg_len, fmt, args) >= 0) {
    env->ThrowNew(env->FindClass(clazz), message);
  } else {
    env->ThrowNew(env->FindClass(clazz), "");
  }
  free(message);
  va_end(args);
}

namespace {
// Map TF_Codes to unchecked exceptions.