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42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/* $OpenBSD: strndup.c,v 1.2 2015/08/31 02:53:57 guenther Exp $ */
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/*
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* Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include "compat.h"
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char *
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strndup(const char *str, size_t maxlen)
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{
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char *copy;
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size_t len;
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len = strnlen(str, maxlen);
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copy = malloc(len + 1);
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if (copy != NULL) {
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(void)memcpy(copy, str, len);
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copy[len] = '\0';
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}
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return copy;
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}
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