/*

 * Function to set error code only when meaningful error has not already

 * been set.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "prerror.h"

#include "secerr.h"

#include "sslerr.h"

#include "seccomon.h"

/* look at the current value of PR_GetError, and evaluate it to see

 * if it is meaningful or meaningless (out of context).

 * If it is meaningless, replace it with the hiLevelError.

 * Returns the chosen error value.

 */

int

ssl_MapLowLevelError(int hiLevelError)

{

    int oldErr = PORT_GetError();

    switch (oldErr) {

        case 0:

        case PR_IO_ERROR:

        case SEC_ERROR_IO:

        case SEC_ERROR_BAD_DATA:

        case SEC_ERROR_LIBRARY_FAILURE:

        case SEC_ERROR_EXTENSION_NOT_FOUND:

        case SSL_ERROR_BAD_CLIENT:

        case SSL_ERROR_BAD_SERVER:

        case SSL_ERROR_SESSION_NOT_FOUND:

            PORT_SetError(hiLevelError);

            return hiLevelError;

        default: /* leave the majority of error codes alone. */

            return oldErr;

    }

}