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authorLorry Tar Creator <lorry-tar-importer@lorry>2007-03-22 21:23:21 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2007-03-22 21:23:21 +0000
commitcbf5993c43f49281173f185863577d86bfac6eae (patch)
tree90737c96cf15b97273a2bdc5950b3cf09f1d94ca /lib/tempname.h
downloadcoreutils-tarball-cbf5993c43f49281173f185863577d86bfac6eae.tar.gz
coreutils-6.9coreutils-6.9
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+/* 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);