[thirdparty/systemd.git] / src / shared / main-func.h

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once

#include <stdlib.h>

#include "pager.h"
#include "selinux-util.h"
#include "spawn-ask-password-agent.h"
#include "spawn-polkit-agent.h"
#include "static-destruct.h"
#include "util.h"

#define _DEFINE_MAIN_FUNCTION(intro, impl, ret)                         \
        int main(int argc, char *argv[]) {                              \
                int r;                                                  \
                save_argc_argv(argc, argv);                             \
                intro;                                                  \
                r = impl;                                               \
                ask_password_agent_close();                             \
                polkit_agent_close();                                   \
                pager_close();                                          \
                mac_selinux_finish();                                   \
                static_destruct();                                      \
                return ret;                                             \
        }

/* Negative return values from impl are mapped to EXIT_FAILURE, and
 * everything else means success! */
#define DEFINE_MAIN_FUNCTION(impl)                                      \
        _DEFINE_MAIN_FUNCTION(,impl(argc, argv), r < 0 ? EXIT_FAILURE : EXIT_SUCCESS)

/* Zero is mapped to EXIT_SUCCESS, negative values are mapped to EXIT_FAILURE,
 * and positive values are propagated.
 * Note: "true" means failure! */
#define DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(impl)                \
        _DEFINE_MAIN_FUNCTION(,impl(argc, argv), r < 0 ? EXIT_FAILURE : r)
Commit	Line	Data
5e332028 LP	1	/* SPDX-License-Identifier: LGPL-2.1+ */
	2	#pragma once
	3
	4	#include <stdlib.h>
	5
a34c79d0	6	#include "pager.h"
8d38b8ad	7	#include "selinux-util.h"
d1405af3	8	#include "spawn-ask-password-agent.h"
a6db3163	9	#include "spawn-polkit-agent.h"
8a4fdaf2	10	#include "static-destruct.h"
60ffa37a	11	#include "util.h"
8a4fdaf2	12
7a44c7e3	13	#define _DEFINE_MAIN_FUNCTION(intro, impl, ret) \
5e332028 LP	14	int main(int argc, char *argv[]) { \
5e332028 LP	15	int r; \
60ffa37a	16	save_argc_argv(argc, argv); \
7a44c7e3 ZJS	17	intro; \
7a44c7e3 ZJS	18	r = impl; \
d1405af3	19	ask_password_agent_close(); \
a6db3163	20	polkit_agent_close(); \
a34c79d0	21	pager_close(); \
a0c6f3cb LP	22	mac_selinux_finish(); \
a0c6f3cb LP	23	static_destruct(); \
ec5e5948	24	return ret; \
5e332028 LP	25	}
5e332028 LP	26
ec5e5948 ZJS	27	/* Negative return values from impl are mapped to EXIT_FAILURE, and
	28	* everything else means success! */
	29	#define DEFINE_MAIN_FUNCTION(impl) \
7a44c7e3	30	_DEFINE_MAIN_FUNCTION(,impl(argc, argv), r < 0 ? EXIT_FAILURE : EXIT_SUCCESS)
ec5e5948	31
cac0b957	32	/* Zero is mapped to EXIT_SUCCESS, negative values are mapped to EXIT_FAILURE,
5238e957	33	* and positive values are propagated.
cac0b957	34	* Note: "true" means failure! */
5e332028	35	#define DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(impl) \
7a44c7e3	36	_DEFINE_MAIN_FUNCTION(,impl(argc, argv), r < 0 ? EXIT_FAILURE : r)