Function buildErrors

lib/cpp/src/thrift/transport/TSSLSocket.cpp:1142–1177

extract error messages from error queue

// extract error messages from error queue
void buildErrors(string& errors, int errno_copy, int sslerrno) {
  unsigned long errorCode;
  char message[256];

  errors.reserve(512);
  while ((errorCode = ERR_get_error()) != 0) {
    if (!errors.empty()) {
      errors += "; ";
    }
    const char* reason = ERR_reason_error_string(errorCode);
    if (reason == nullptr) {
      THRIFT_SNPRINTF(message, sizeof(message) - 1, "SSL error # %lu", errorCode);
      reason = message;
    }
    errors += reason;
  }
  if (errors.empty()) {
    if (errno_copy != 0) {
      errors += TOutput::strerror_s(errno_copy);
    }
  }
  if (errors.empty()) {
    errors = "error code: " + to_string(errno_copy);
  }
  if (sslerrno) {
    errors += " (SSL_error_code = " + to_string(sslerrno) + ")";
    if (sslerrno == SSL_ERROR_SYSCALL) {
      char buf[4096];
      int err;
      while ((err = ERR_get_error()) != 0) {
        errors += " ";
        errors += ERR_error_string(err, buf);
      }
    }
  }
}

/**
 * Default implementation of AccessManager