1  /* Copyright (C) 1998-2023 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     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <stdio.h>
      19  #include <stdlib.h>
      20  
      21  /* Generate a unique temporary file name from TEMPLATE.
      22     The last six characters of TEMPLATE must be "XXXXXX";
      23     they are replaced with a string that makes the filename unique.  */
      24  char *
      25  __mktemp (char *template)
      26  {
      27    if (__gen_tempname (template, 0, 0, __GT_NOCREATE) < 0)
      28      /* We return the null string if we can't find a unique file name.  */
      29      template[0] = '\0';
      30  
      31    return template;
      32  }
      33  libc_hidden_def (__mktemp)
      34  weak_alias (__mktemp, mktemp)
      35  
      36  link_warning (mktemp, "the use of `mktemp' is dangerous, "
      37  		      "better use `mkstemp' or `mkdtemp'")