The Tor Browser: nsprpub/lib/libc/src/strcpy.c@44a2da4a2ab2

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

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

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

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

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

     6 #include "plstr.h"

     7 #include <string.h>

     9 PR_IMPLEMENT(char *)

    10 PL_strcpy(char *dest, const char *src)

    11 {

    12     if( ((char *)0 == dest) || ((const char *)0 == src) ) return (char *)0;

    14     return strcpy(dest, src);

    15 }

    17 PR_IMPLEMENT(char *)

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

    19 {

    20     char *rv;

    22     if( (char *)0 == dest ) return (char *)0;

    23     if( (const char *)0 == src ) return (char *)0;

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

    26         ;

    28 #ifdef JLRU

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

    30     while( --max )

    31         *++dest = '\0';

    32 #endif /* JLRU */

    34     return rv;

    35 }

    37 PR_IMPLEMENT(char *)

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

    39 {

    40     char *rv;

    42     if( (char *)0 == dest ) return (char *)0;

    43     if( (const char *)0 == src ) return (char *)0;

    44     if( 0 == max ) return (char *)0;

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

    47         ;

    49     *dest = '\0';

    51     return rv;

    52 }

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