misc/mkostemps64.c

   1 /* Copyright (C) 2000, 2007, 2009 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <fcntl.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22
  23 /* Generate a unique temporary file name from TEMPLATE.  The last six
  24    characters before a suffix of length SUFFIXLEN of TEMPLATE must be
  25    "XXXXXX"; they are replaced with a string that makes the filename
  26    unique.  Then open the file and return a fd. */
  27 int
  28 mkostemps64 (template, suffixlen, flags)
  29      char *template;
  30      int suffixlen;
  31      int flags;
  32 {
  33   if (suffixlen < 0)
  34     {
  35       __set_errno (EINVAL);
  36       return -1;
  37     }
  38
  39   return __gen_tempname (template, suffixlen, flags | O_LARGEFILE, __GT_FILE);
  40 }