/*
 *  Version feature information
 *
 *  Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
 *
 *  This file is part of mbed TLS (https://tls.mbed.org)
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif

#if defined(MBEDTLS_VERSION_C)

#include "mbedtls/version.h"

#include <string.h>

#if defined(_MSC_VER) && !defined strcasecmp && !defined(EFIX64) && \
    !defined(EFI32)
#define strcasecmp _stricmp
#endif

static const char *features[] = {
#if defined(MBEDTLS_VERSION_FEATURES)
FEATURE_DEFINES
#endif /* MBEDTLS_VERSION_FEATURES */
    NULL
};

int mbedtls_version_check_feature( const char *feature )
{
    const char **idx = features;

    if( *idx == NULL )
        return( -2 );

    if( feature == NULL )
        return( -1 );

    while( *idx != NULL )
    {
        if( !strcasecmp( *idx, feature ) )
            return( 0 );
        idx++;
    }
    return( -1 );
}

#endif /* MBEDTLS_VERSION_C */