The Tor Browser: nsprpub/lib/libc/src/strcat.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_strcat(char *dest, const char *src)

    11 {

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

    13         return dest;

    15     return strcat(dest, src);

    16 }

    18 PR_IMPLEMENT(char *)

    19 PL_strncat(char *dest, const char *src, PRUint32 max)

    20 {

    21     char *rv;

    23     if( ((char *)0 == dest) || ((const char *)0 == src) || (0 == max) )

    24         return dest;

    26     for( rv = dest; *dest; dest++ )

    27         ;

    29     (void)PL_strncpy(dest, src, max);

    30     return rv;

    31 }

    33 PR_IMPLEMENT(char *)

    34 PL_strcatn(char *dest, PRUint32 max, const char *src)

    35 {

    36     char *rv;

    37     PRUint32 dl;

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

    40         return dest;

    42     for( rv = dest, dl = 0; *dest; dest++, dl++ )

    43         ;

    45     if( max <= dl ) return rv;

    46     (void)PL_strncpyz(dest, src, max-dl);

    48     return rv;

    49 }

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