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annotate lib/unistr/u8-strnlen.c @ 7841:047ab30cc852

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New modules 'unistr/u8-strnlen', 'unistr/u16-strnlen', 'unistr/u32-strnlen'.
author Bruno Haible <bruno@clisp.org>
date Tue, 09 Jan 2007 14:10:14 +0000
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children ad8a75a45dc9
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7841
047ab30cc852 New modules 'unistr/u8-strnlen', 'unistr/u16-strnlen', 'unistr/u32-strnlen'.
Bruno Haible <bruno@clisp.org>
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1 /* Determine bounded length of UTF-8 string.
047ab30cc852 New modules 'unistr/u8-strnlen', 'unistr/u16-strnlen', 'unistr/u32-strnlen'.
Bruno Haible <bruno@clisp.org>
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2 Copyright (C) 1999, 2002, 2006 Free Software Foundation, Inc.
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3 Written by Bruno Haible <bruno@clisp.org>, 2002.
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4
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5 This program is free software; you can redistribute it and/or modify it
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6 under the terms of the GNU Library General Public License as published
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7 by the Free Software Foundation; either version 2, or (at your option)
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8 any later version.
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9
047ab30cc852 New modules 'unistr/u8-strnlen', 'unistr/u16-strnlen', 'unistr/u32-strnlen'.
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
047ab30cc852 New modules 'unistr/u8-strnlen', 'unistr/u16-strnlen', 'unistr/u32-strnlen'.
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15 You should have received a copy of the GNU Library General Public
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16 License along with this program; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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18 USA. */
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19
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20 /* Ensure strnlen() gets declared. */
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21 #ifndef _GNU_SOURCE
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22 # define _GNU_SOURCE 1
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23 #endif
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24
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25 #include <config.h>
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26
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27 /* Specification. */
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28 #include "unistr.h"
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29
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30 #if __GLIBC__ >= 2
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31
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32 # include <string.h>
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33
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34 size_t
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35 u8_strnlen (const uint8_t *s, size_t maxlen)
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36 {
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37 return strnlen ((const char *) s, maxlen);
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38 }
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39
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40 #else
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41
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42 # define FUNC u8_strnlen
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43 # define UNIT uint8_t
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44 # include "u-strnlen.h"
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45
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46 #endif