The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/nsprpub/lib/libc/src/strlen.c	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,42 @@
     1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "plstr.h"
    1.10 +#include "prtypes.h"
    1.11 +#include "prlog.h"
    1.12 +#include <string.h>
    1.13 +
    1.14 +PR_IMPLEMENT(PRUint32)
    1.15 +PL_strlen(const char *str)
    1.16 +{
    1.17 +    size_t l;
    1.18 +
    1.19 +    if( (const char *)0 == str ) return 0;
    1.20 +
    1.21 +    l = strlen(str);
    1.22 +
    1.23 +    /* error checking in case we have a 64-bit platform -- make sure
    1.24 +     * we don't have ultra long strings that overflow an int32
    1.25 +     */ 
    1.26 +    if( sizeof(PRUint32) < sizeof(size_t) )
    1.27 +    {
    1.28 +        if( l > PR_INT32_MAX )
    1.29 +            PR_Assert("l <= PR_INT32_MAX", __FILE__, __LINE__);
    1.30 +    }
    1.31 +
    1.32 +    return (PRUint32)l;
    1.33 +}
    1.34 +
    1.35 +PR_IMPLEMENT(PRUint32)
    1.36 +PL_strnlen(const char *str, PRUint32 max)
    1.37 +{
    1.38 +    register const char *s;
    1.39 +
    1.40 +    if( (const char *)0 == str ) return 0;
    1.41 +    for( s = str; max && *s; s++, max-- )
    1.42 +        ;
    1.43 +
    1.44 +    return (PRUint32)(s - str);
    1.45 +}