/* Create a temporary file or directory. Copyright (C) 2006 Free Software Foundation, Inc. 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 2, 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, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* header written by Eric Blake */ /* In gnulib, always prefer large files. GT_FILE maps to __GT_BIGFILE, not __GT_FILE, for a reason. */ #define GT_FILE 1 #define GT_DIR 2 #define GT_NOCREATE 3 /* Generate a temporary file name based on TMPL. TMPL must match the rules for mk[s]temp (i.e. end in "XXXXXX"). The name constructed does not exist at the time of the call to gen_tempname. TMPL is overwritten with the result. KIND may be one of: GT_NOCREATE: simply verify that the name does not exist at the time of the call. GT_FILE: create a large file using open(O_CREAT|O_EXCL) and return a read-write fd. The file is mode 0600. GT_DIR: create a directory, which will be mode 0700. We use a clever algorithm to get hard-to-predict names. */ extern int gen_tempname (char *tmpl, int kind);