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39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* Copyright (C) 1991,1993,1996-2000,2007,2009 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <stdio.h>
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/* Generate a unique filename in P_tmpdir. If S is NULL return NULL.
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This makes this function thread safe. */
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char *
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tmpnam_r (char *s)
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{
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if (s == NULL)
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return NULL;
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if (__path_search (s, L_tmpnam, NULL, NULL, 0))
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return NULL;
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if (__gen_tempname (s, 0, 0, __GT_NOCREATE))
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return NULL;
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return s;
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}
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link_warning (tmpnam_r,
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"the use of `tmpnam_r' is dangerous, better use `mkstemp'")
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