add mkstemps, mkstemps64 and mkostemps, mkostemps64 functions

Change __gen_tempname() prototype in order to pass the additional
suffix lenght. In __gen_tempname() add a new check for suffixlen.
Update some comments in the code.

Signed-off-by: Romain Naour <romain.naour@openwide.fr>
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/libc/stdlib/mkostemps64.c b/libc/stdlib/mkostemps64.c
new file mode 100644
index 000000000..0436fcf81
--- /dev/null
+++ b/libc/stdlib/mkostemps64.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1998-2012 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 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
+   Lesser General Public License for more details.
+
+   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 <stdlib.h>
+#include <fcntl.h>
+#include "../misc/internals/tempname.h"
+
+/* Generate a unique temporary file name from TEMPLATE.
+   The TEMPLATE is of the form "XXXXXXsuffix" where six characters
+   after the TEMPLATE must be "XXXXXX" followed by the suffix.
+   The suffix length must be specified with suffixlen.
+   "XXXXXX" are replaced with a string that makes the filename unique.
+   Then open the file and return a fd. */
+int mkostemps64 (char *template, int suffixlen, int flags)
+{
+  flags -= flags & O_ACCMODE; /* Remove O_RDONLY, O_WRONLY, and O_RDWR. */
+  return __gen_tempname (template, __GT_FILE, flags, suffixlen,
+                         S_IRUSR | S_IWUSR);
+}