1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is the Netscape Portable Runtime (NSPR).
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998-2000
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either the GNU General Public License Version 2 or later (the "GPL"), or
26 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
28 : * of those above. If you wish to allow use of your version of this file only
29 : * under the terms of either the GPL or the LGPL, and not to allow others to
30 : * use your version of this file under the terms of the MPL, indicate your
31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #include "plstr.h"
39 : #include "prtypes.h"
40 : #include "prlog.h"
41 : #include <string.h>
42 :
43 : PR_IMPLEMENT(PRUint32)
44 2640103 : PL_strlen(const char *str)
45 : {
46 : size_t l;
47 :
48 2640103 : if( (const char *)0 == str ) return 0;
49 :
50 2640103 : l = strlen(str);
51 :
52 : /* error checking in case we have a 64-bit platform -- make sure
53 : * we don't have ultra long strings that overflow an int32
54 : */
55 : if( sizeof(PRUint32) < sizeof(size_t) )
56 : {
57 : if( l > PR_INT32_MAX )
58 : PR_Assert("l <= PR_INT32_MAX", __FILE__, __LINE__);
59 : }
60 :
61 2640103 : return (PRUint32)l;
62 : }
63 :
64 : PR_IMPLEMENT(PRUint32)
65 1094 : PL_strnlen(const char *str, PRUint32 max)
66 : {
67 : register const char *s;
68 :
69 1094 : if( (const char *)0 == str ) return 0;
70 1094 : for( s = str; max && *s; s++, max-- )
71 : ;
72 :
73 1094 : return (PRUint32)(s - str);
74 : }
|