openpkg/patch.strnlen.c@b12dc513f7b7 (annotated)
openpkg/patch.strnlen.c
Fri, 03 Aug 2012 15:56:30 +0200
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 03 Aug 2012 15:56:30 +0200
- changeset 459
- b12dc513f7b7
- permissions
- -rw-r--r--
Use upstream man pages to avoid local help2man failures, likely due to
shell capability assumptions or cross platform environment variance.
The upstream man pages are probably better formatted anyway.
| michael@428 | 1 | /* Find the length of STRING, but scan at most MAXLEN characters. |
| michael@428 | 2 | Copyright (C) 2005, 2006, 2007, 2009 Free Software Foundation, Inc. |
| michael@428 | 3 | Written by Simon Josefsson. |
| michael@428 | 4 | |
| michael@428 | 5 | This program is free software; you can redistribute it and/or modify |
| michael@428 | 6 | it under the terms of the GNU General Public License as published by |
| michael@428 | 7 | the Free Software Foundation; either version 2, or (at your option) |
| michael@428 | 8 | any later version. |
| michael@428 | 9 | |
| michael@428 | 10 | This program is distributed in the hope that it will be useful, |
| michael@428 | 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| michael@428 | 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| michael@428 | 13 | GNU General Public License for more details. |
| michael@428 | 14 | |
| michael@428 | 15 | You should have received a copy of the GNU General Public License |
| michael@428 | 16 | along with this program; if not, write to the Free Software Foundation, |
| michael@428 | 17 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
| michael@428 | 18 | |
| michael@428 | 19 | #include <config.h> |
| michael@428 | 20 | |
| michael@428 | 21 | #include <string.h> |
| michael@428 | 22 | |
| michael@428 | 23 | /* Find the length of STRING, but scan at most MAXLEN characters. |
| michael@428 | 24 | If no '\0' terminator is found in that many characters, return MAXLEN. */ |
| michael@428 | 25 | |
| michael@428 | 26 | size_t |
| michael@428 | 27 | strnlen (const char *string, size_t maxlen) |
| michael@428 | 28 | { |
| michael@428 | 29 | const char *end = memchr (string, '\0', maxlen); |
| michael@428 | 30 | return end ? (size_t) (end - string) : maxlen; |
| michael@428 | 31 | } |
