Line data    Source code

       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/. */
       5             : 
       6             : #include "plstr.h"
       7             : #include "prtypes.h"
       8             : #include "prlog.h"
       9             : #include <string.h>
      10             : 
      11             : PR_IMPLEMENT(PRUint32)
      12             : PL_strlen(const char *str)
      13             : {
      14             :     size_t l;
      15             : 
      16         769 :     if( (const char *)0 == str ) return 0;
      17             : 
      18         769 :     l = strlen(str);
      19             : 
      20             :     /* error checking in case we have a 64-bit platform -- make sure
      21             :      * we don't have ultra long strings that overflow an int32
      22             :      */ 
      23             :     if( sizeof(PRUint32) < sizeof(size_t) )
      24             :     {
      25         769 :         if( l > PR_INT32_MAX )
      26           0 :             PR_Assert("l <= PR_INT32_MAX", __FILE__, __LINE__);
      27             :     }
      28             : 
      29         769 :     return (PRUint32)l;
      30             : }
      31             : 
      32             : PR_IMPLEMENT(PRUint32)
      33             : PL_strnlen(const char *str, PRUint32 max)
      34             : {
      35             :     register const char *s;
      36             : 
      37           0 :     if( (const char *)0 == str ) return 0;
      38           0 :     for( s = str; max && *s; s++, max-- )
      39             :         ;
      40             : 
      41           0 :     return (PRUint32)(s - str);
      42             : }