From affb60b1ef0cb48388d23360c6f3b043c50f6b8c Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 26 Oct 2015 23:20:41 +0100 Subject: util-lib: split out umask-related code to umask-util.h --- src/basic/umask-util.h | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 src/basic/umask-util.h (limited to 'src/basic/umask-util.h') diff --git a/src/basic/umask-util.h b/src/basic/umask-util.h new file mode 100644 index 0000000000..8ed34658b4 --- /dev/null +++ b/src/basic/umask-util.h @@ -0,0 +1,48 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +#pragma once + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see . +***/ + +#include +#include +#include + +#include "macro.h" + +static inline void umaskp(mode_t *u) { + umask(*u); +} + +#define _cleanup_umask_ _cleanup_(umaskp) + +struct _umask_struct_ { + mode_t mask; + bool quit; +}; + +static inline void _reset_umask_(struct _umask_struct_ *s) { + umask(s->mask); +}; + +#define RUN_WITH_UMASK(mask) \ + for (_cleanup_(_reset_umask_) struct _umask_struct_ _saved_umask_ = { umask(mask), false }; \ + !_saved_umask_.quit ; \ + _saved_umask_.quit = true) -- cgit v1.2.3-54-g00ecf