source: vbox/trunk/src/VBox/Runtime/common/string/strlen.cpp

/* $Id: strlen.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
/** @file
 * IPRT - CRT Strings, strlen().
 */

/*
 * Copyright (C) 2006-2023 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                                                                                                                 *
*********************************************************************************************************************************/
#include "internal/iprt.h"
#include <iprt/string.h>


/**
 * Find the length of a zeroterminated byte string.
 *
 * @returns String length in bytes.
 * @param   pszString   Zero terminated string.
 */
#ifdef IPRT_NO_CRT
# undef strlen
size_t RT_NOCRT(strlen)(const char *pszString)
#elif RT_MSC_PREREQ(RT_MSC_VER_VS2005)
__checkReturn size_t  __cdecl strlen(__in_z  const char *pszString)
#else
size_t strlen(const char *pszString)
#endif
{
    const char *psz = pszString;
    while (*psz)
        psz++;
    return psz - pszString;
}
RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL(strlen);