/* $Id: nocrt-strtoull.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
/** @file
 * IPRT - No-CRT - strtoull.
 */

/*
 * Copyright (C) 2022 Oracle and/or its affiliates.
 *
 * This file is part of VirtualBox base platform packages, as
 * available from https://www.virtualbox.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, in version 3 of the
 * License.
 *
 * 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, see <https://www.gnu.org/licenses>.
 *
 * The contents of this file may alternatively be used under the terms
 * of the Common Development and Distribution License Version 1.0
 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
 * in the VirtualBox distribution, in which case the provisions of the
 * CDDL are applicable instead of those of the GPL.
 *
 * You may elect to license modified versions of this file under the
 * terms and conditions of either the GPL or the CDDL or both.
 *
 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
 */


/*********************************************************************************************************************************
*   Header Files                                                                                                                 *
*********************************************************************************************************************************/
#define IPRT_NO_CRT_FOR_3RD_PARTY
#include "internal/nocrt.h"
#include <iprt/nocrt/stdlib.h>
#include <iprt/nocrt/limits.h>
#include <iprt/nocrt/errno.h>
#include <iprt/err.h>
#include <iprt/string.h>


#undef strtoull
unsigned long long RT_NOCRT(strtoull)(const char *psz, char **ppszNext, int iBase)
{
#if LLONG_BIT == 64
    uint64_t uValue = 0;
    int rc = RTStrToUInt64Ex(RTStrStripL(psz), ppszNext, (unsigned)iBase, &uValue);
#else
# error "Unsupported LLONG_BIT value"
#endif
    if (rc == VINF_SUCCESS || rc == VWRN_TRAILING_CHARS || rc == VWRN_TRAILING_SPACES || rc == VWRN_NEGATIVE_UNSIGNED)
        return uValue;
    if (rc == VWRN_NUMBER_TOO_BIG)
    {
        errno = ERANGE;
        return ULONG_MAX;
    }
    errno = EINVAL;
    return 0;
}
RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL(strtoull);