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