mkstemps, mkostemps: new modules

* modules/mkostemps: New module.
* modules/mkstemps: Likewise.
* lib/mkostemps.c (mkostemps): New file.
* lib/mkstemps.c (mkstemps): Likewise.
* m4/mkostemps.m4 (gl_FUNC_MKOSTEMPS): Likewise.
* m4/mkstemps.m4 (gl_FUNC_MKSTEMPS): Likewise.
* m4/stdlib_h.m4 (gl_STDLIB_H_DEFAULTS): Add witnesses.
* modules/stdlib (Makefile.am): Substitute them.
* lib/stdlib.in.h (mkostemps, mkstemps): Declare them.
* doc/glibc-functions/mkstemps.texi (mkstemps): New file.
* doc/glibc-functions/mkostemps.texi (mkostemps): Likewise.
* doc/gnulib.texi (Glibc stdlib.h): Include them.
* MODULES.html.sh (File system functions): Mention them.

Signed-off-by: Eric Blake <ebb9@byu.net>

1 files changed, 56 insertions, 0 deletions

diff --git a/lib/mkstemps.c b/lib/mkstemps.c
new file mode 100644
index 0000000000..5ce1697353
--- /dev/null
+++ b/lib/mkstemps.c
@@ -0,0 +1,56 @@
+/* Copyright (C) 1998, 1999, 2001, 2005, 2006, 2007, 2009 Free
+   Software Foundation, Inc.
+   This file is derived from the one in the GNU C Library.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#if !_LIBC
+# include <config.h>
+#endif
+
+#include <stdlib.h>
+
+#if !_LIBC
+# include <errno.h>
+# include "tempname.h"
+# define __gen_tempname gen_tempname
+# ifndef __GT_FILE
+#  define __GT_FILE GT_FILE
+# endif
+# define __set_errno(x) errno = x;
+#endif
+
+#include <stdio.h>
+
+#ifndef __GT_FILE
+# define __GT_FILE 0
+#endif
+
+/* Generate a unique temporary file name from TEMPLATE.  The last six
+   characters before a suffix of length SUFFIXLEN of TEMPLATE must be
+   "XXXXXX"; they are replaced with a string that makes the filename
+   unique.  Then open the file and return a fd. */
+int
+mkstemps (template, suffixlen)
+     char *template;
+     int suffixlen;
+{
+  if (suffixlen < 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return __gen_tempname (template, suffixlen, 0, __GT_FILE);
+}