| /* Find the length of STRING, but scan at most MAXLEN characters. |
| Copyright (C) 2005-2007, 2009-2019 Free Software Foundation, Inc. |
| Written by Simon Josefsson. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, see <https://www.gnu.org/licenses/>. */ |
| |
| #include <config.h> |
| |
| #include <string.h> |
| |
| /* Find the length of STRING, but scan at most MAXLEN characters. |
| If no '\0' terminator is found in that many characters, return MAXLEN. */ |
| |
| size_t |
| strnlen (const char *string, size_t maxlen) |
| { |
| const char *end = memchr (string, '\0', maxlen); |
| return end ? (size_t) (end - string) : maxlen; |
| } |