-/* Copyright (C) 1991, 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Open a stdio stream on an anonymous temporary file. Generic/POSIX version.
+ Copyright (C) 1991-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
-#ifdef _USE_IN_LIBIO
-# define fdopen _IO_new_fdopen
+#include <iolibio.h>
+#define __fdopen _IO_fdopen
+#ifndef tmpfile
+# define tmpfile __new_tmpfile
#endif
+
/* This returns a new stream opened on a temporary file (generated
- by tmpnam) The file is opened with mode "w+b" (binary read/write).
+ by tmpnam). The file is opened with mode "w+b" (binary read/write).
If we couldn't generate a unique filename or the file couldn't
be opened, NULL is returned. */
FILE *
-tmpfile ()
+tmpfile (void)
{
- char buf[FILENAME_MAX];
int fd;
FILE *f;
+ int flags = 0;
+#ifdef FLAGS
+ flags = FLAGS;
+#endif
+
+ /* First try a system specific method. */
+ fd = __gen_tempfd (flags);
+
+ if (fd < 0)
+ {
+ char buf[FILENAME_MAX];
+
+ if (__path_search (buf, sizeof buf, NULL, "tmpf", 0))
+ return NULL;
- if (__path_search (buf, FILENAME_MAX, NULL, "tmpf"))
- return NULL;
- if ((fd = __gen_tempname (buf, 1, 0)) < 0)
- return NULL;
+ fd = __gen_tempname (buf, 0, flags, __GT_FILE);
+ if (fd < 0)
+ return NULL;
- /* Note that this relies on the Unix semantics that
- a file is not really removed until it is closed. */
- (void) remove (buf);
+ /* Note that this relies on the Unix semantics that
+ a file is not really removed until it is closed. */
+ (void) __unlink (buf);
+ }
- if ((f = fdopen (fd, "w+b")) == NULL)
- close (fd);
+ if ((f = __fdopen (fd, "w+b")) == NULL)
+ __close (fd);
return f;
}
+
+#if !defined O_LARGEFILE || O_LARGEFILE == 0
+weak_alias (__new_tmpfile, tmpfile64)
+#endif
+
+#ifndef FLAGS /* Not for tmpfile64. */
+# undef tmpfile
+# include <shlib-compat.h>
+versioned_symbol (libc, __new_tmpfile, tmpfile, GLIBC_2_1);
+#endif