andre@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
andre@0: /* This Source Code Form is subject to the terms of the Mozilla Public
andre@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
andre@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
andre@0: 
andre@0: #include "plstr.h"
andre@0: #include "prtypes.h"
andre@0: #include "prlog.h"
andre@0: #include <string.h>
andre@0: 
andre@0: PR_IMPLEMENT(PRUint32)
andre@0: PL_strlen(const char *str)
andre@0: {
andre@0:     size_t l;
andre@0: 
andre@0:     if( (const char *)0 == str ) return 0;
andre@0: 
andre@0:     l = strlen(str);
andre@0: 
andre@0:     /* error checking in case we have a 64-bit platform -- make sure
andre@0:      * we don't have ultra long strings that overflow an int32
andre@0:      */ 
andre@0:     if( sizeof(PRUint32) < sizeof(size_t) )
andre@0:     {
andre@0:         if( l > PR_INT32_MAX )
andre@0:             PR_Assert("l <= PR_INT32_MAX", __FILE__, __LINE__);
andre@0:     }
andre@0: 
andre@0:     return (PRUint32)l;
andre@0: }
andre@0: 
andre@0: PR_IMPLEMENT(PRUint32)
andre@0: PL_strnlen(const char *str, PRUint32 max)
andre@0: {
andre@0:     register const char *s;
andre@0: 
andre@0:     if( (const char *)0 == str ) return 0;
andre@0:     for( s = str; max && *s; s++, max-- )
andre@0:         ;
andre@0: 
andre@0:     return (PRUint32)(s - str);
andre@0: }