Deprecate external use of libio.h and _G_config.h.

[thirdparty/glibc.git] / stdio-common / tmpfile64.c

diff --git a/stdio-common/tmpfile64.c b/stdio-common/tmpfile64.c
index a7fce66a86dbe1f9cf36dab8b60ad6c675114821..19a170f3f7c1a1699d24bc394c203516eccc4d22 100644 (file)
--- a/stdio-common/tmpfile64.c
+++ b/stdio-common/tmpfile64.c
@@ -1,50 +1,28 @@
-/* Copyright (C) 1991, 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Open a stdio stream on an anonymous, large temporary file.  Generic version.
+   Copyright (C) 2012-2017 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 <stdio.h>
-#include <unistd.h>
+#include <fcntl.h>
 
-#ifdef _USE_IN_LIBIO
-# define fdopen _IO_new_fdopen
-#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).
-   If we couldn't generate a unique filename or the file couldn't
-   be opened, NULL is returned.  */
-FILE *
-tmpfile64 ()
-{
-  char buf[FILENAME_MAX];
-  int fd;
-  FILE *f;
-
-  if (__path_search (buf, FILENAME_MAX, NULL, "tmpf"))
-    return NULL;
-  if ((fd = __gen_tempname (buf, 1, 1)) < 0)
-    return NULL;
+/* If there is no O_LARGEFILE, then the plain tmpfile definition
+   does the job and it gets tmpfile64 as an alias.  */
 
-  /* Note that this relies on the Unix semantics that
-     a file is not really removed until it is closed.  */
-  (void) remove (buf);
-
-  if ((f = fdopen (fd, "w+b")) == NULL)
-    close (fd);
-
-  return f;
-}
+#if defined O_LARGEFILE && O_LARGEFILE != 0
+# define FLAGS         O_LARGEFILE
+# define tmpfile       tmpfile64
+# include <tmpfile.c>
+#endif