47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/* Copy a string with out of memory checking
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Copyright (C) 1990, 1996, 1997, 1999, 2001 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 not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#if defined STDC_HEADERS || defined HAVE_STRING_H || _LIBC
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# include <string.h>
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#else
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# include <strings.h>
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#endif
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void *xmalloc __P ((size_t n));
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char *xstrndup __P ((char *string, size_t n));
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/* Return a newly allocated copy of STRING. */
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char *
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xstrndup (string, n)
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char *string;
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size_t n;
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{
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char *res;
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size_t len = strnlen (string, n);
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if (len > n)
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len = n;
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res = memcpy (xmalloc (len + 1), string, len);
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res[len] = '\0';
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return res;
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}
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