The Tor Browser / file comparison
comparison: nsprpub/lib/libc/src/strlen.c
nsprpub/lib/libc/src/strlen.c
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
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| -1:000000000000 | 0:ff53070e4f1c |
|---|---|
| 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 if( (const char *)0 == str ) return 0; | |
| 17 | |
| 18 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 if( l > PR_INT32_MAX ) | |
| 26 PR_Assert("l <= PR_INT32_MAX", __FILE__, __LINE__); | |
| 27 } | |
| 28 | |
| 29 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 if( (const char *)0 == str ) return 0; | |
| 38 for( s = str; max && *s; s++, max-- ) | |
| 39 ; | |
| 40 | |
| 41 return (PRUint32)(s - str); | |
| 42 } |
