| /* 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */ |
| |
| /* 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); |