/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* 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 "plstr.h"

#include <string.h>

PR_IMPLEMENT(char *)

PL_strcpy(char *dest, const char *src)

{

    if( ((char *)0 == dest) || ((const char *)0 == src) ) {

        return (char *)0;

    }

    return strcpy(dest, src);

}

PR_IMPLEMENT(char *)

PL_strncpy(char *dest, const char *src, PRUint32 max)

{

    char *rv;

    if( (char *)0 == dest ) {

        return (char *)0;

    }

    if( (const char *)0 == src ) {

        return (char *)0;

    }

    for( rv = dest; max && ((*dest = *src) != 0); dest++, src++, max-- )

        ;

#ifdef JLRU

    /* XXX I (wtc) think the -- and ++ operators should be postfix. */

    while( --max ) {

        *++dest = '\0';

    }

#endif /* JLRU */

    return rv;

}

PR_IMPLEMENT(char *)

PL_strncpyz(char *dest, const char *src, PRUint32 max)

{

    char *rv;

    if( (char *)0 == dest ) {

        return (char *)0;

    }

    if( (const char *)0 == src ) {

        return (char *)0;

    }

    if( 0 == max ) {

        return (char *)0;

    }

    for( rv = dest, max--; max && ((*dest = *src) != 0); dest++, src++, max-- )

        ;

    *dest = '\0';

    return rv;

}