lib/tmpdir.h

   1 /* Determine a temporary directory.
   2    Copyright (C) 2001-2002, 2009-2020 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program 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 General Public License for more details.
  13
  14    You should have received a copy of the GNU 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);