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52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
/* Copyright (C) 1991, 93, 96, 97, 98, 99 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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#define _IO_USE_OLD_IO_FILE
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#include <stdio.h>
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#include <unistd.h>
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#include <iolibio.h>
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/* This returns a new stream opened on a temporary file (generated
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by tmpnam). The file is opened with mode "w+b" (binary read/write).
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If we couldn't generate a unique filename or the file couldn't
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be opened, NULL is returned. */
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FILE *
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__old_tmpfile (void)
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{
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char buf[FILENAME_MAX];
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int fd;
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FILE *f;
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if (__path_search (buf, FILENAME_MAX, NULL, "tmpf", 0))
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return NULL;
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fd = __gen_tempname (buf, __GT_FILE);
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if (fd < 0)
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return NULL;
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/* Note that this relies on the Unix semantics that
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a file is not really removed until it is closed. */
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(void) remove (buf);
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if ((f = _IO_old_fdopen (fd, "w+b")) == NULL)
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__close (fd);
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return f;
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}
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symbol_version (__old_tmpfile, tmpfile, GLIBC_2.0);
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