OLD | NEW |
(Empty) | |
| 1 /* Find the length of STRING + 1, but scan at most MAXLEN bytes. |
| 2 Copyright (C) 2005-2006, 2009-2012 Free Software Foundation, Inc. |
| 3 |
| 4 This program is free software: you can redistribute it and/or modify |
| 5 it under the terms of the GNU General Public License as published by |
| 6 the Free Software Foundation; either version 3 of the License, or |
| 7 (at your option) any later version. |
| 8 |
| 9 This program is distributed in the hope that it will be useful, |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 GNU General Public License for more details. |
| 13 |
| 14 You should have received a copy of the GNU General Public License |
| 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 16 |
| 17 #include <config.h> |
| 18 |
| 19 /* Specification. */ |
| 20 #include "strnlen1.h" |
| 21 |
| 22 #include <string.h> |
| 23 |
| 24 /* Find the length of STRING + 1, but scan at most MAXLEN bytes. |
| 25 If no '\0' terminator is found in that many characters, return MAXLEN. */ |
| 26 /* This is the same as strnlen (string, maxlen - 1) + 1. */ |
| 27 size_t |
| 28 strnlen1 (const char *string, size_t maxlen) |
| 29 { |
| 30 const char *end = (const char *) memchr (string, '\0', maxlen); |
| 31 if (end != NULL) |
| 32 return end - string + 1; |
| 33 else |
| 34 return maxlen; |
| 35 } |
OLD | NEW |