Mercurial > gnulib
view lib/write-any-file.c @ 40226:5b87a9bf7240
uninorm tests: Free allocated memory.
* tests/uninorm/test-u32-normalize-big.h
(struct normalization_test_file): Remove 'const' from allocated member.
(free_normalization_test_file): New declaration.
* tests/uninorm/test-u32-normalize-big.c (test_other): Free allocated
memory.
(free_normalization_test_file): New function.
* tests/uninorm/test-u32-nfc-big.c (main): Free allocated
'struct normalization_test_file' contents.
* tests/uninorm/test-u32-nfd-big.c (main): Likewise.
* tests/uninorm/test-u32-nfkc-big.c (main): Likewise.
* tests/uninorm/test-u32-nfkd-big.c (main): Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 10 Mar 2019 15:14:01 +0100 |
parents | b06060465f09 |
children |
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/* Determine whether we can write any file. Copyright (C) 2007, 2009-2019 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 <https://www.gnu.org/licenses/>. */ /* Written by Paul Eggert. */ #include <config.h> #include "write-any-file.h" #include "priv-set.h" #include "root-uid.h" #include <unistd.h> /* Return true if we know that we can write any file, including writing directories. */ bool can_write_any_file (void) { static bool initialized; static bool can_write; if (! initialized) { bool can = false; #if defined PRIV_FILE_DAC_WRITE can = (priv_set_ismember (PRIV_FILE_DAC_WRITE) == 1); #else /* In traditional Unix, only root can unlink directories. */ can = (geteuid () == ROOT_UID); #endif can_write = can; initialized = true; } return can_write; }