LCOV - code coverage report
Current view: directory - nsprpub/lib/libc/src - strlen.c (source / functions) Found Hit Coverage
Test: app.info Lines: 8 8 100.0 %
Date: 2012-06-02 Functions: 2 2 100.0 %

       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                 : }

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