about summary refs log tree commit diff
path: root/libio/oldtmpfile.c
diff options
context:
space:
mode:
Diffstat (limited to 'libio/oldtmpfile.c')
-rw-r--r--libio/oldtmpfile.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/libio/oldtmpfile.c b/libio/oldtmpfile.c
new file mode 100644
index 0000000000..6c4275d00c
--- /dev/null
+++ b/libio/oldtmpfile.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 1991, 1993, 1996, 1997, 1998 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.
+
+   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.
+
+   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.  */
+
+#define _IO_USE_OLD_IO_FILE
+#include <stdio.h>
+#include <unistd.h>
+#include <iolibio.h>
+
+/* 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 *
+__old_tmpfile (void)
+{
+  char buf[FILENAME_MAX];
+  int fd;
+  FILE *f;
+
+  if (__path_search (buf, FILENAME_MAX, NULL, "tmpf"))
+    return NULL;
+  fd = __gen_tempname (buf, 1, 0);
+  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);
+
+  if ((f = _IO_old_fdopen (fd, "w+b")) == NULL)
+    close (fd);
+
+  return f;
+}
+
+symbol_version (__old_tmpfile, tmpfile, GLIBC_2.0);