44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/*
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This file is part of Warzone 2100.
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Find the length of STRING + 1, but scan at most MAXLEN bytes.
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Copyright (C) 2005-2006 Free Software Foundation, Inc.
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Warzone 2100 is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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Warzone 2100 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Warzone 2100; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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$Revision$
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$Id$
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$HeadURL$
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*/
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/* Specification. */
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#include "strnlen1.h"
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#include <string.h>
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/* Find the length of STRING + 1, but scan at most MAXLEN bytes.
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If no '\0' terminator is found in that many characters, return MAXLEN. */
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/* This is the same as strnlen (string, maxlen - 1) + 1. */
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size_t strnlen1(const char* string, size_t maxlen)
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{
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// Find the first NUL char
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const char* end = memchr (string, '\0', maxlen);
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if (end != NULL)
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return end - string + 1;
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else
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return maxlen;
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}
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