| 1 | /* Create a temporary file or directory.
|
|---|
| 2 |
|
|---|
| 3 | Copyright (C) 2006 Free Software Foundation, Inc.
|
|---|
| 4 |
|
|---|
| 5 | This program is free software; you can redistribute it and/or modify
|
|---|
| 6 | it under the terms of the GNU General Public License as published by
|
|---|
| 7 | the Free Software Foundation; either version 2, or (at your option)
|
|---|
| 8 | any later version.
|
|---|
| 9 |
|
|---|
| 10 | This program is distributed in the hope that it will be useful,
|
|---|
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 13 | GNU General Public License for more details.
|
|---|
| 14 |
|
|---|
| 15 | You should have received a copy of the GNU General Public License
|
|---|
| 16 | along with this program; if not, write to the Free Software Foundation,
|
|---|
| 17 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
|
|---|
| 18 |
|
|---|
| 19 | /* header written by Eric Blake */
|
|---|
| 20 |
|
|---|
| 21 | /* In gnulib, always prefer large files. GT_FILE maps to
|
|---|
| 22 | __GT_BIGFILE, not __GT_FILE, for a reason. */
|
|---|
| 23 | #define GT_FILE 1
|
|---|
| 24 | #define GT_DIR 2
|
|---|
| 25 | #define GT_NOCREATE 3
|
|---|
| 26 |
|
|---|
| 27 | /* Generate a temporary file name based on TMPL. TMPL must match the
|
|---|
| 28 | rules for mk[s]temp (i.e. end in "XXXXXX"). The name constructed
|
|---|
| 29 | does not exist at the time of the call to gen_tempname. TMPL is
|
|---|
| 30 | overwritten with the result.
|
|---|
| 31 |
|
|---|
| 32 | KIND may be one of:
|
|---|
| 33 | GT_NOCREATE: simply verify that the name does not exist
|
|---|
| 34 | at the time of the call.
|
|---|
| 35 | GT_FILE: create a large file using open(O_CREAT|O_EXCL)
|
|---|
| 36 | and return a read-write fd. The file is mode 0600.
|
|---|
| 37 | GT_DIR: create a directory, which will be mode 0700.
|
|---|
| 38 |
|
|---|
| 39 | We use a clever algorithm to get hard-to-predict names. */
|
|---|
| 40 | extern int gen_tempname (char *tmpl, int kind);
|
|---|
