1  /* Determine a temporary directory.
       2     Copyright (C) 2001-2002, 2009-2022 Free Software Foundation, Inc.
       3  
       4     This file is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU Lesser General Public License as
       6     published by the Free Software Foundation, either version 3 of the
       7     License, or (at your option) any later version.
       8  
       9     This file 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
      12     GNU Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  #include <stdbool.h>
      18  #include <stddef.h>
      19  
      20  /* Path search algorithm, for tmpnam, tmpfile, etc.  If DIR is
      21     non-null and exists, uses it; otherwise uses the first of $TMPDIR,
      22     P_tmpdir, /tmp that exists.  Copies into TMPL a template suitable
      23     for use with mk[s]temp.  Will fail (-1) if DIR is non-null and
      24     doesn't exist, none of the searched dirs exists, or there's not
      25     enough space in TMPL. */
      26  extern int path_search (char *tmpl, size_t tmpl_len, const char *dir, const char *pfx, bool try_tmpdir);