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6f25696828
* string/string.h (strndupa): Change to use return value of `memcpy' for more performance. * string/strndup.c: Likewise.
37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/* Copyright (C) 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C 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 License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C 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 the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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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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char *
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__strndup (const char *s, size_t n)
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{
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size_t len = strnlen (s, n);
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char *new = malloc (len + 1);
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if (new == NULL)
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return NULL;
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new[len] = '\0';
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return memcpy (new, s, len);
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}
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weak_alias (__strndup, strndup)
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