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37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02111-1301, USA */
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/* File : strnlen.c
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Author : Michael Widenius
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Updated: 20 April 1984
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Defines: strnlen.
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strnlen(s, len) returns the length of s or len if s is longer than len.
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*/
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#include <my_global.h>
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#include "m_string.h"
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#ifndef HAVE_STRNLEN
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uint strnlen(register const char *s, register uint maxlen)
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{
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const char *end= (const char *)memchr(s, '\0', maxlen);
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return end ? (uint) (end - s) : maxlen;
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}
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#endif
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