[thirdparty/systemd.git] / src / systemd / sd-bus-vtable.h

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#ifndef foosdbusvtablehfoo
#define foosdbusvtablehfoo

/***
  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 <https://www.gnu.org/licenses/>.
***/

#include "_sd-common.h"

_SD_BEGIN_DECLARATIONS;

typedef struct sd_bus_vtable sd_bus_vtable;

#include "sd-bus.h"

enum {
        _SD_BUS_VTABLE_START             = '<',
        _SD_BUS_VTABLE_END               = '>',
        _SD_BUS_VTABLE_METHOD            = 'M',
        _SD_BUS_VTABLE_SIGNAL            = 'S',
        _SD_BUS_VTABLE_PROPERTY          = 'P',
        _SD_BUS_VTABLE_WRITABLE_PROPERTY = 'W'
};

__extension__ enum {
        SD_BUS_VTABLE_DEPRECATED                   = 1ULL << 0,
        SD_BUS_VTABLE_HIDDEN                       = 1ULL << 1,
        SD_BUS_VTABLE_UNPRIVILEGED                 = 1ULL << 2,
        SD_BUS_VTABLE_METHOD_NO_REPLY              = 1ULL << 3,
        SD_BUS_VTABLE_PROPERTY_CONST               = 1ULL << 4,
        SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE        = 1ULL << 5,
        SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION  = 1ULL << 6,
        SD_BUS_VTABLE_PROPERTY_EXPLICIT            = 1ULL << 7,
        SD_BUS_VTABLE_SENSITIVE                    = 1ULL << 8, /* covers both directions: method call + reply */
        SD_BUS_VTABLE_ABSOLUTE_OFFSET              = 1ULL << 9,
        _SD_BUS_VTABLE_CAPABILITY_MASK             = 0xFFFFULL << 40
};

#define SD_BUS_VTABLE_CAPABILITY(x) ((uint64_t) (((x)+1) & 0xFFFF) << 40)

enum {
        _SD_BUS_VTABLE_PARAM_NAMES     = 1 << 0
};

extern const unsigned sd_bus_object_vtable_format;

/* Note: unused areas in the sd_bus_vtable[] array must be initialized to 0. The structure contains an embedded
 * union, and the compiler is NOT required to initialize the unused areas of the union when the rest of the
 * structure is initialized. Normally the array is defined as read-only data, in which case the linker places
 * it in the BSS section, which is always fully initialized, so this is not a concern. But if the array is
 * created on the stack or on the heap, care must be taken to initialize the unused areas, for examply by
 * first memsetting the whole region to zero before filling the data in. */

struct sd_bus_vtable {
        /* Please do not initialize this structure directly, use the
         * macros below instead */

        __extension__ uint8_t type:8;
        __extension__ uint64_t flags:56;
        union {
                struct {
                        size_t element_size;
                        uint64_t features;
                        const unsigned *vtable_format_reference;
                } start;
                struct {
                        /* This field exists only to make sure we have something to initialize in
                         * SD_BUS_VTABLE_END in a way that is both compatible with pedantic versions of C and
                         * C++. It's unused otherwise. */
                        size_t _reserved;
                } end;
                struct {
                        const char *member;
                        const char *signature;
                        const char *result;
                        sd_bus_message_handler_t handler;
                        size_t offset;
                        const char *names;
                } method;
                struct {
                        const char *member;
                        const char *signature;
                        const char *names;
                } signal;
                struct {
                        const char *member;
                        const char *signature;
                        sd_bus_property_get_t get;
                        sd_bus_property_set_t set;
                        size_t offset;
                } property;
        } x;
};

#define SD_BUS_VTABLE_START(_flags)                                     \
        {                                                               \
                .type = _SD_BUS_VTABLE_START,                           \
                .flags = _flags,                                        \
                .x = {                                                  \
                        .start = {                                      \
                                .element_size = sizeof(sd_bus_vtable),  \
                                .features = _SD_BUS_VTABLE_PARAM_NAMES, \
                                .vtable_format_reference = &sd_bus_object_vtable_format, \
                        },                                              \
                },                                                      \
        }

/* helper macro to format method and signal parameters, one at a time */
#define SD_BUS_PARAM(x) #x "\0"

#define SD_BUS_METHOD_WITH_NAMES_OFFSET(_member, _signature, _in_names, _result, _out_names, _handler, _offset, _flags)  \
        {                                                               \
                .type = _SD_BUS_VTABLE_METHOD,                          \
                .flags = _flags,                                        \
                .x = {                                                  \
                        .method = {                                     \
                                .member = _member,                      \
                                .signature = _signature,                \
                                .result = _result,                      \
                                .handler = _handler,                    \
                                .offset = _offset,                      \
                                .names = _in_names _out_names,          \
                        },                                              \
                },                                                      \
        }
#define SD_BUS_METHOD_WITH_OFFSET(_member, _signature, _result, _handler, _offset, _flags)   \
        SD_BUS_METHOD_WITH_NAMES_OFFSET(_member, _signature, "", _result, "", _handler, _offset, _flags)
#define SD_BUS_METHOD_WITH_NAMES(_member, _signature, _in_names, _result, _out_names, _handler, _flags)   \
        SD_BUS_METHOD_WITH_NAMES_OFFSET(_member, _signature, _in_names, _result, _out_names, _handler, 0, _flags)
#define SD_BUS_METHOD(_member, _signature, _result, _handler, _flags)   \
        SD_BUS_METHOD_WITH_NAMES_OFFSET(_member, _signature, "", _result, "", _handler, 0, _flags)

#define SD_BUS_SIGNAL_WITH_NAMES(_member, _signature, _out_names, _flags)                      \
        {                                                               \
                .type = _SD_BUS_VTABLE_SIGNAL,                          \
                .flags = _flags,                                        \
                .x = {                                                  \
                        .signal = {                                     \
                                .member = _member,                      \
                                .signature = _signature,                \
                                .names = _out_names,                    \
                        },                                              \
                },                                                      \
                        }
#define SD_BUS_SIGNAL(_member, _signature, _flags)                      \
        SD_BUS_SIGNAL_WITH_NAMES(_member, _signature, "", _flags)

#define SD_BUS_PROPERTY(_member, _signature, _get, _offset, _flags)     \
        {                                                               \
                .type = _SD_BUS_VTABLE_PROPERTY,                        \
                .flags = _flags,                                        \
                .x = {                                                  \
                        .property = {                                   \
                                .member = _member,                      \
                                .signature = _signature,                \
                                .get = _get,                            \
                                .set = NULL,                            \
                                .offset = _offset,                      \
                        },                                              \
                },                                                      \
        }

#define SD_BUS_WRITABLE_PROPERTY(_member, _signature, _get, _set, _offset, _flags) \
        {                                                               \
                .type = _SD_BUS_VTABLE_WRITABLE_PROPERTY,               \
                .flags = _flags,                                        \
                .x = {                                                  \
                        .property = {                                   \
                                .member = _member,                      \
                                .signature = _signature,                \
                                .get = _get,                            \
                                .set = _set,                            \
                                .offset = _offset,                      \
                        },                                              \
                },                                                      \
        }

#define SD_BUS_VTABLE_END                                               \
        {                                                               \
                .type = _SD_BUS_VTABLE_END,                             \
                .flags = 0,                                             \
                .x = {                                                  \
                        .end = {                                        \
                                ._reserved = 0,                         \
                        },                                              \
                },                                                      \
        }

#define _SD_ECHO(X) X
#define _SD_CONCAT(X) #X "\0"

#define _SD_VARARGS_FOREACH_SEQ(_01, _02, _03, _04, _05, _06, _07, _08, _09, _10, \
                                _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, \
                                _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, \
                                _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, \
                                _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, \
                                NAME, ...) NAME

#define _SD_VARARGS_FOREACH_EVEN_00(FN)
#define _SD_VARARGS_FOREACH_EVEN_01(FN, X)         FN(X)
#define _SD_VARARGS_FOREACH_EVEN_02(FN, X, Y)      FN(X)
#define _SD_VARARGS_FOREACH_EVEN_04(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_02(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_06(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_04(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_08(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_06(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_10(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_08(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_12(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_10(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_14(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_12(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_16(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_14(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_18(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_16(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_20(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_18(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_22(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_20(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_24(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_22(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_26(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_24(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_28(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_26(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_30(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_28(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_32(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_30(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_34(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_32(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_36(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_34(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_38(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_36(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_40(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_38(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_42(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_40(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_44(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_42(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_46(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_44(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_48(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_46(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_EVEN_50(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_48(FN, __VA_ARGS__)

#define _SD_VARARGS_FOREACH_EVEN(FN, ...)                                                 \
        _SD_VARARGS_FOREACH_SEQ(__VA_ARGS__,                                              \
                                _SD_VARARGS_FOREACH_EVEN_50, _SD_VARARGS_FOREACH_EVEN_49, \
                                _SD_VARARGS_FOREACH_EVEN_48, _SD_VARARGS_FOREACH_EVEN_47, \
                                _SD_VARARGS_FOREACH_EVEN_46, _SD_VARARGS_FOREACH_EVEN_45, \
                                _SD_VARARGS_FOREACH_EVEN_44, _SD_VARARGS_FOREACH_EVEN_43, \
                                _SD_VARARGS_FOREACH_EVEN_42, _SD_VARARGS_FOREACH_EVEN_41, \
                                _SD_VARARGS_FOREACH_EVEN_40, _SD_VARARGS_FOREACH_EVEN_39, \
                                _SD_VARARGS_FOREACH_EVEN_38, _SD_VARARGS_FOREACH_EVEN_37, \
                                _SD_VARARGS_FOREACH_EVEN_36, _SD_VARARGS_FOREACH_EVEN_35, \
                                _SD_VARARGS_FOREACH_EVEN_34, _SD_VARARGS_FOREACH_EVEN_33, \
                                _SD_VARARGS_FOREACH_EVEN_32, _SD_VARARGS_FOREACH_EVEN_31, \
                                _SD_VARARGS_FOREACH_EVEN_30, _SD_VARARGS_FOREACH_EVEN_29, \
                                _SD_VARARGS_FOREACH_EVEN_28, _SD_VARARGS_FOREACH_EVEN_27, \
                                _SD_VARARGS_FOREACH_EVEN_26, _SD_VARARGS_FOREACH_EVEN_25, \
                                _SD_VARARGS_FOREACH_EVEN_24, _SD_VARARGS_FOREACH_EVEN_23, \
                                _SD_VARARGS_FOREACH_EVEN_22, _SD_VARARGS_FOREACH_EVEN_21, \
                                _SD_VARARGS_FOREACH_EVEN_20, _SD_VARARGS_FOREACH_EVEN_19, \
                                _SD_VARARGS_FOREACH_EVEN_18, _SD_VARARGS_FOREACH_EVEN_17, \
                                _SD_VARARGS_FOREACH_EVEN_16, _SD_VARARGS_FOREACH_EVEN_15, \
                                _SD_VARARGS_FOREACH_EVEN_14, _SD_VARARGS_FOREACH_EVEN_13, \
                                _SD_VARARGS_FOREACH_EVEN_12, _SD_VARARGS_FOREACH_EVEN_11, \
                                _SD_VARARGS_FOREACH_EVEN_10, _SD_VARARGS_FOREACH_EVEN_09, \
                                _SD_VARARGS_FOREACH_EVEN_08, _SD_VARARGS_FOREACH_EVEN_07, \
                                _SD_VARARGS_FOREACH_EVEN_06, _SD_VARARGS_FOREACH_EVEN_05, \
                                _SD_VARARGS_FOREACH_EVEN_04, _SD_VARARGS_FOREACH_EVEN_03, \
                                _SD_VARARGS_FOREACH_EVEN_02, _SD_VARARGS_FOREACH_EVEN_01, \
                                _SD_VARARGS_FOREACH_EVEN_00)                              \
                                (FN, __VA_ARGS__)

#define _SD_VARARGS_FOREACH_ODD_00(FN)
#define _SD_VARARGS_FOREACH_ODD_01(FN, X)
#define _SD_VARARGS_FOREACH_ODD_02(FN, X, Y)      FN(Y)
#define _SD_VARARGS_FOREACH_ODD_04(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_02(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_06(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_04(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_08(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_06(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_10(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_08(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_12(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_10(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_14(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_12(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_16(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_14(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_18(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_16(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_20(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_18(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_22(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_20(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_24(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_22(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_26(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_24(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_28(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_26(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_30(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_28(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_32(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_30(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_34(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_32(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_36(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_34(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_38(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_36(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_40(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_38(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_42(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_40(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_44(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_42(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_46(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_44(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_48(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_46(FN, __VA_ARGS__)
#define _SD_VARARGS_FOREACH_ODD_50(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_48(FN, __VA_ARGS__)

#define _SD_VARARGS_FOREACH_ODD(FN, ...)                                                \
        _SD_VARARGS_FOREACH_SEQ(__VA_ARGS__,                                            \
                                _SD_VARARGS_FOREACH_ODD_50, _SD_VARARGS_FOREACH_ODD_49, \
                                _SD_VARARGS_FOREACH_ODD_48, _SD_VARARGS_FOREACH_ODD_47, \
                                _SD_VARARGS_FOREACH_ODD_46, _SD_VARARGS_FOREACH_ODD_45, \
                                _SD_VARARGS_FOREACH_ODD_44, _SD_VARARGS_FOREACH_ODD_43, \
                                _SD_VARARGS_FOREACH_ODD_42, _SD_VARARGS_FOREACH_ODD_41, \
                                _SD_VARARGS_FOREACH_ODD_40, _SD_VARARGS_FOREACH_ODD_39, \
                                _SD_VARARGS_FOREACH_ODD_38, _SD_VARARGS_FOREACH_ODD_37, \
                                _SD_VARARGS_FOREACH_ODD_36, _SD_VARARGS_FOREACH_ODD_35, \
                                _SD_VARARGS_FOREACH_ODD_34, _SD_VARARGS_FOREACH_ODD_33, \
                                _SD_VARARGS_FOREACH_ODD_32, _SD_VARARGS_FOREACH_ODD_31, \
                                _SD_VARARGS_FOREACH_ODD_30, _SD_VARARGS_FOREACH_ODD_29, \
                                _SD_VARARGS_FOREACH_ODD_28, _SD_VARARGS_FOREACH_ODD_27, \
                                _SD_VARARGS_FOREACH_ODD_26, _SD_VARARGS_FOREACH_ODD_25, \
                                _SD_VARARGS_FOREACH_ODD_24, _SD_VARARGS_FOREACH_ODD_23, \
                                _SD_VARARGS_FOREACH_ODD_22, _SD_VARARGS_FOREACH_ODD_21, \
                                _SD_VARARGS_FOREACH_ODD_20, _SD_VARARGS_FOREACH_ODD_19, \
                                _SD_VARARGS_FOREACH_ODD_18, _SD_VARARGS_FOREACH_ODD_17, \
                                _SD_VARARGS_FOREACH_ODD_16, _SD_VARARGS_FOREACH_ODD_15, \
                                _SD_VARARGS_FOREACH_ODD_14, _SD_VARARGS_FOREACH_ODD_13, \
                                _SD_VARARGS_FOREACH_ODD_12, _SD_VARARGS_FOREACH_ODD_11, \
                                _SD_VARARGS_FOREACH_ODD_10, _SD_VARARGS_FOREACH_ODD_09, \
                                _SD_VARARGS_FOREACH_ODD_08, _SD_VARARGS_FOREACH_ODD_07, \
                                _SD_VARARGS_FOREACH_ODD_06, _SD_VARARGS_FOREACH_ODD_05, \
                                _SD_VARARGS_FOREACH_ODD_04, _SD_VARARGS_FOREACH_ODD_03, \
                                _SD_VARARGS_FOREACH_ODD_02, _SD_VARARGS_FOREACH_ODD_01, \
                                _SD_VARARGS_FOREACH_ODD_00)                             \
                                (FN, __VA_ARGS__)

#define SD_BUS_ARGS(...) __VA_ARGS__
#define SD_BUS_RESULT(...) __VA_ARGS__

#define SD_BUS_NO_ARGS SD_BUS_ARGS(NULL)
#define SD_BUS_NO_RESULT SD_BUS_RESULT(NULL)

#define SD_BUS_METHOD_WITH_ARGS(_member, _args, _result, _handler, _flags)                 \
        SD_BUS_METHOD_WITH_NAMES(_member,                                                  \
                                 _SD_VARARGS_FOREACH_EVEN(_SD_ECHO, _args),                \
                                 _SD_VARARGS_FOREACH_ODD(_SD_CONCAT, _args),               \
                                 _SD_VARARGS_FOREACH_EVEN(_SD_ECHO, _result),              \
                                 _SD_VARARGS_FOREACH_ODD(_SD_CONCAT, _result) "\0",        \
                                 _handler, _flags)

#define SD_BUS_METHOD_WITH_ARGS_OFFSET(_member, _args, _result, _handler, _offset, _flags) \
        SD_BUS_METHOD_WITH_NAMES_OFFSET(_member,                                           \
                                        _SD_VARARGS_FOREACH_EVEN(_SD_ECHO, _args),         \
                                        _SD_VARARGS_FOREACH_ODD(_SD_CONCAT, _args),        \
                                        _SD_VARARGS_FOREACH_EVEN(_SD_ECHO, _result),       \
                                        _SD_VARARGS_FOREACH_ODD(_SD_CONCAT, _result) "\0", \
                                        _handler, _offset, _flags)

#define SD_BUS_SIGNAL_WITH_ARGS(_member, _args, _flags)                                    \
        SD_BUS_SIGNAL_WITH_NAMES(_member,                                                  \
                                 _SD_VARARGS_FOREACH_EVEN(_SD_ECHO, _args),                \
                                 _SD_VARARGS_FOREACH_ODD(_SD_CONCAT, _args) "\0",          \
                                 _flags)

_SD_END_DECLARATIONS;

#endif
Commit	Line	Data
db9ecf05	1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
29ddb38f LP	2	#ifndef foosdbusvtablehfoo
	3	#define foosdbusvtablehfoo
	4
	5	/***
29ddb38f LP	6	systemd is free software; you can redistribute it and/or modify it
	7	under the terms of the GNU Lesser General Public License as published by
	8	the Free Software Foundation; either version 2.1 of the License, or
	9	(at your option) any later version.
	10
	11	systemd is distributed in the hope that it will be useful, but
	12	WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	Lesser General Public License for more details.
	15
	16	You should have received a copy of the GNU Lesser General Public License
85fce6f4	17	along with systemd; If not, see <https://www.gnu.org/licenses/>.
29ddb38f LP	18	***/
29ddb38f LP	19
0095c454 LP	20	#include "_sd-common.h"
	21
	22	_SD_BEGIN_DECLARATIONS;
6695ed7a	23
29ddb38f LP	24	typedef struct sd_bus_vtable sd_bus_vtable;
	25
	26	#include "sd-bus.h"
	27
	28	enum {
adacb957 LP	29	_SD_BUS_VTABLE_START = '<',
	30	_SD_BUS_VTABLE_END = '>',
	31	_SD_BUS_VTABLE_METHOD = 'M',
	32	_SD_BUS_VTABLE_SIGNAL = 'S',
	33	_SD_BUS_VTABLE_PROPERTY = 'P',
e0c0b07d	34	_SD_BUS_VTABLE_WRITABLE_PROPERTY = 'W'
29ddb38f LP	35	};
29ddb38f LP	36
5476cb98	37	__extension__ enum {
df98a87b LP	38	SD_BUS_VTABLE_DEPRECATED = 1ULL << 0,
	39	SD_BUS_VTABLE_HIDDEN = 1ULL << 1,
	40	SD_BUS_VTABLE_UNPRIVILEGED = 1ULL << 2,
	41	SD_BUS_VTABLE_METHOD_NO_REPLY = 1ULL << 3,
	42	SD_BUS_VTABLE_PROPERTY_CONST = 1ULL << 4,
	43	SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE = 1ULL << 5,
	44	SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION = 1ULL << 6,
33702051	45	SD_BUS_VTABLE_PROPERTY_EXPLICIT = 1ULL << 7,
7a77d2a4	46	SD_BUS_VTABLE_SENSITIVE = 1ULL << 8, /* covers both directions: method call + reply */
491ce161	47	SD_BUS_VTABLE_ABSOLUTE_OFFSET = 1ULL << 9,
df98a87b	48	_SD_BUS_VTABLE_CAPABILITY_MASK = 0xFFFFULL << 40
29ddb38f LP	49	};
29ddb38f LP	50
adacb957 LP	51	#define SD_BUS_VTABLE_CAPABILITY(x) ((uint64_t) (((x)+1) & 0xFFFF) << 40)
adacb957 LP	52
856ad2a8	53	enum {
5476cb98	54	_SD_BUS_VTABLE_PARAM_NAMES = 1 << 0
856ad2a8 GC	55	};
856ad2a8 GC	56
8dd8a286 ZJS	57	extern const unsigned sd_bus_object_vtable_format;
8dd8a286 ZJS	58
5238e957 BB	59	/* Note: unused areas in the sd_bus_vtable[] array must be initialized to 0. The structure contains an embedded
	60	* union, and the compiler is NOT required to initialize the unused areas of the union when the rest of the
	61	* structure is initialized. Normally the array is defined as read-only data, in which case the linker places
	62	* it in the BSS section, which is always fully initialized, so this is not a concern. But if the array is
	63	* created on the stack or on the heap, care must be taken to initialize the unused areas, for examply by
8dd8a286 ZJS	64	* first memsetting the whole region to zero before filling the data in. */
8dd8a286 ZJS	65
29ddb38f LP	66	struct sd_bus_vtable {
	67	/* Please do not initialize this structure directly, use the
	68	* macros below instead */
	69
5476cb98 JJ	70	__extension__ uint8_t type:8;
5476cb98 JJ	71	__extension__ uint64_t flags:56;
29ddb38f LP	72	union {
	73	struct {
	74	size_t element_size;
856ad2a8	75	uint64_t features;
8dd8a286	76	const unsigned *vtable_format_reference;
29ddb38f	77	} start;
654eaa40	78	struct {
0c480173 LP	79	/* This field exists only to make sure we have something to initialize in
	80	* SD_BUS_VTABLE_END in a way that is both compatible with pedantic versions of C and
	81	* C++. It's unused otherwise. */
	82	size_t _reserved;
654eaa40	83	} end;
29ddb38f LP	84	struct {
	85	const char *member;
	86	const char *signature;
	87	const char *result;
	88	sd_bus_message_handler_t handler;
09c8a7c6	89	size_t offset;
856ad2a8	90	const char *names;
29ddb38f LP	91	} method;
	92	struct {
	93	const char *member;
	94	const char *signature;
856ad2a8	95	const char *names;
29ddb38f LP	96	} signal;
	97	struct {
	98	const char *member;
	99	const char *signature;
	100	sd_bus_property_get_t get;
	101	sd_bus_property_set_t set;
	102	size_t offset;
	103	} property;
77a874a3	104	} x;
29ddb38f LP	105	};
	106
	107	#define SD_BUS_VTABLE_START(_flags) \
	108	{ \
	109	.type = _SD_BUS_VTABLE_START, \
	110	.flags = _flags, \
aa328850	111	.x = { \
02f2d2b3 LP	112	.start = { \
	113	.element_size = sizeof(sd_bus_vtable), \
	114	.features = _SD_BUS_VTABLE_PARAM_NAMES, \
	115	.vtable_format_reference = &sd_bus_object_vtable_format, \
	116	}, \
aa328850	117	}, \
29ddb38f LP	118	}
29ddb38f LP	119
856ad2a8 GC	120	/* helper macro to format method and signal parameters, one at a time */
	121	#define SD_BUS_PARAM(x) #x "\0"
	122
	123	#define SD_BUS_METHOD_WITH_NAMES_OFFSET(_member, _signature, _in_names, _result, _out_names, _handler, _offset, _flags) \
29ddb38f LP	124	{ \
	125	.type = _SD_BUS_VTABLE_METHOD, \
	126	.flags = _flags, \
aa328850	127	.x = { \
02f2d2b3 LP	128	.method = { \
	129	.member = _member, \
	130	.signature = _signature, \
	131	.result = _result, \
	132	.handler = _handler, \
	133	.offset = _offset, \
	134	.names = _in_names _out_names, \
	135	}, \
aa328850	136	}, \
29ddb38f	137	}
856ad2a8 GC	138	#define SD_BUS_METHOD_WITH_OFFSET(_member, _signature, _result, _handler, _offset, _flags) \
	139	SD_BUS_METHOD_WITH_NAMES_OFFSET(_member, _signature, "", _result, "", _handler, _offset, _flags)
	140	#define SD_BUS_METHOD_WITH_NAMES(_member, _signature, _in_names, _result, _out_names, _handler, _flags) \
	141	SD_BUS_METHOD_WITH_NAMES_OFFSET(_member, _signature, _in_names, _result, _out_names, _handler, 0, _flags)
09c8a7c6	142	#define SD_BUS_METHOD(_member, _signature, _result, _handler, _flags) \
856ad2a8	143	SD_BUS_METHOD_WITH_NAMES_OFFSET(_member, _signature, "", _result, "", _handler, 0, _flags)
29ddb38f	144
856ad2a8	145	#define SD_BUS_SIGNAL_WITH_NAMES(_member, _signature, _out_names, _flags) \
29ddb38f LP	146	{ \
	147	.type = _SD_BUS_VTABLE_SIGNAL, \
	148	.flags = _flags, \
aa328850	149	.x = { \
02f2d2b3 LP	150	.signal = { \
	151	.member = _member, \
	152	.signature = _signature, \
	153	.names = _out_names, \
	154	}, \
aa328850	155	}, \
02f2d2b3 LP	156	}
02f2d2b3 LP	157	#define SD_BUS_SIGNAL(_member, _signature, _flags) \
856ad2a8	158	SD_BUS_SIGNAL_WITH_NAMES(_member, _signature, "", _flags)
29ddb38f	159
77a874a3	160	#define SD_BUS_PROPERTY(_member, _signature, _get, _offset, _flags) \
29ddb38f LP	161	{ \
	162	.type = _SD_BUS_VTABLE_PROPERTY, \
	163	.flags = _flags, \
aa328850	164	.x = { \
02f2d2b3 LP	165	.property = { \
	166	.member = _member, \
	167	.signature = _signature, \
	168	.get = _get, \
	169	.set = NULL, \
	170	.offset = _offset, \
	171	}, \
aa328850	172	}, \
29ddb38f LP	173	}
	174
	175	#define SD_BUS_WRITABLE_PROPERTY(_member, _signature, _get, _set, _offset, _flags) \
	176	{ \
	177	.type = _SD_BUS_VTABLE_WRITABLE_PROPERTY, \
	178	.flags = _flags, \
aa328850	179	.x = { \
02f2d2b3 LP	180	.property = { \
	181	.member = _member, \
	182	.signature = _signature, \
	183	.get = _get, \
	184	.set = _set, \
	185	.offset = _offset, \
	186	}, \
aa328850	187	}, \
29ddb38f LP	188	}
	189
	190	#define SD_BUS_VTABLE_END \
	191	{ \
	192	.type = _SD_BUS_VTABLE_END, \
cc9daff2	193	.flags = 0, \
654eaa40	194	.x = { \
02f2d2b3	195	.end = { \
0c480173	196	._reserved = 0, \
02f2d2b3	197	}, \
654eaa40	198	}, \
29ddb38f LP	199	}
29ddb38f LP	200
eff7c2d3 DDM	201	#define _SD_ECHO(X) X
	202	#define _SD_CONCAT(X) #X "\0"
	203
c068a17f YW	204	#define _SD_VARARGS_FOREACH_SEQ(_01, _02, _03, _04, _05, _06, _07, _08, _09, _10, \
	205	_11, _12, _13, _14, _15, _16, _17, _18, _19, _20, \
	206	_21, _22, _23, _24, _25, _26, _27, _28, _29, _30, \
	207	_31, _32, _33, _34, _35, _36, _37, _38, _39, _40, \
	208	_41, _42, _43, _44, _45, _46, _47, _48, _49, _50, \
	209	NAME, ...) NAME
	210
e10409ad	211	#define _SD_VARARGS_FOREACH_EVEN_00(FN)
c068a17f YW	212	#define _SD_VARARGS_FOREACH_EVEN_01(FN, X) FN(X)
	213	#define _SD_VARARGS_FOREACH_EVEN_02(FN, X, Y) FN(X)
	214	#define _SD_VARARGS_FOREACH_EVEN_04(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_02(FN, __VA_ARGS__)
	215	#define _SD_VARARGS_FOREACH_EVEN_06(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_04(FN, __VA_ARGS__)
	216	#define _SD_VARARGS_FOREACH_EVEN_08(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_06(FN, __VA_ARGS__)
	217	#define _SD_VARARGS_FOREACH_EVEN_10(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_08(FN, __VA_ARGS__)
	218	#define _SD_VARARGS_FOREACH_EVEN_12(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_10(FN, __VA_ARGS__)
	219	#define _SD_VARARGS_FOREACH_EVEN_14(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_12(FN, __VA_ARGS__)
	220	#define _SD_VARARGS_FOREACH_EVEN_16(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_14(FN, __VA_ARGS__)
	221	#define _SD_VARARGS_FOREACH_EVEN_18(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_16(FN, __VA_ARGS__)
	222	#define _SD_VARARGS_FOREACH_EVEN_20(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_18(FN, __VA_ARGS__)
	223	#define _SD_VARARGS_FOREACH_EVEN_22(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_20(FN, __VA_ARGS__)
	224	#define _SD_VARARGS_FOREACH_EVEN_24(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_22(FN, __VA_ARGS__)
	225	#define _SD_VARARGS_FOREACH_EVEN_26(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_24(FN, __VA_ARGS__)
	226	#define _SD_VARARGS_FOREACH_EVEN_28(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_26(FN, __VA_ARGS__)
	227	#define _SD_VARARGS_FOREACH_EVEN_30(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_28(FN, __VA_ARGS__)
	228	#define _SD_VARARGS_FOREACH_EVEN_32(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_30(FN, __VA_ARGS__)
	229	#define _SD_VARARGS_FOREACH_EVEN_34(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_32(FN, __VA_ARGS__)
	230	#define _SD_VARARGS_FOREACH_EVEN_36(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_34(FN, __VA_ARGS__)
	231	#define _SD_VARARGS_FOREACH_EVEN_38(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_36(FN, __VA_ARGS__)
	232	#define _SD_VARARGS_FOREACH_EVEN_40(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_38(FN, __VA_ARGS__)
	233	#define _SD_VARARGS_FOREACH_EVEN_42(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_40(FN, __VA_ARGS__)
	234	#define _SD_VARARGS_FOREACH_EVEN_44(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_42(FN, __VA_ARGS__)
	235	#define _SD_VARARGS_FOREACH_EVEN_46(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_44(FN, __VA_ARGS__)
	236	#define _SD_VARARGS_FOREACH_EVEN_48(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_46(FN, __VA_ARGS__)
	237	#define _SD_VARARGS_FOREACH_EVEN_50(FN, X, Y, ...) FN(X) _SD_VARARGS_FOREACH_EVEN_48(FN, __VA_ARGS__)
	238
	239	#define _SD_VARARGS_FOREACH_EVEN(FN, ...) \
	240	_SD_VARARGS_FOREACH_SEQ(__VA_ARGS__, \
	241	_SD_VARARGS_FOREACH_EVEN_50, _SD_VARARGS_FOREACH_EVEN_49, \
	242	_SD_VARARGS_FOREACH_EVEN_48, _SD_VARARGS_FOREACH_EVEN_47, \
	243	_SD_VARARGS_FOREACH_EVEN_46, _SD_VARARGS_FOREACH_EVEN_45, \
	244	_SD_VARARGS_FOREACH_EVEN_44, _SD_VARARGS_FOREACH_EVEN_43, \
	245	_SD_VARARGS_FOREACH_EVEN_42, _SD_VARARGS_FOREACH_EVEN_41, \
	246	_SD_VARARGS_FOREACH_EVEN_40, _SD_VARARGS_FOREACH_EVEN_39, \
	247	_SD_VARARGS_FOREACH_EVEN_38, _SD_VARARGS_FOREACH_EVEN_37, \
	248	_SD_VARARGS_FOREACH_EVEN_36, _SD_VARARGS_FOREACH_EVEN_35, \
	249	_SD_VARARGS_FOREACH_EVEN_34, _SD_VARARGS_FOREACH_EVEN_33, \
	250	_SD_VARARGS_FOREACH_EVEN_32, _SD_VARARGS_FOREACH_EVEN_31, \
	251	_SD_VARARGS_FOREACH_EVEN_30, _SD_VARARGS_FOREACH_EVEN_29, \
	252	_SD_VARARGS_FOREACH_EVEN_28, _SD_VARARGS_FOREACH_EVEN_27, \
	253	_SD_VARARGS_FOREACH_EVEN_26, _SD_VARARGS_FOREACH_EVEN_25, \
	254	_SD_VARARGS_FOREACH_EVEN_24, _SD_VARARGS_FOREACH_EVEN_23, \
	255	_SD_VARARGS_FOREACH_EVEN_22, _SD_VARARGS_FOREACH_EVEN_21, \
	256	_SD_VARARGS_FOREACH_EVEN_20, _SD_VARARGS_FOREACH_EVEN_19, \
	257	_SD_VARARGS_FOREACH_EVEN_18, _SD_VARARGS_FOREACH_EVEN_17, \
	258	_SD_VARARGS_FOREACH_EVEN_16, _SD_VARARGS_FOREACH_EVEN_15, \
	259	_SD_VARARGS_FOREACH_EVEN_14, _SD_VARARGS_FOREACH_EVEN_13, \
	260	_SD_VARARGS_FOREACH_EVEN_12, _SD_VARARGS_FOREACH_EVEN_11, \
	261	_SD_VARARGS_FOREACH_EVEN_10, _SD_VARARGS_FOREACH_EVEN_09, \
	262	_SD_VARARGS_FOREACH_EVEN_08, _SD_VARARGS_FOREACH_EVEN_07, \
	263	_SD_VARARGS_FOREACH_EVEN_06, _SD_VARARGS_FOREACH_EVEN_05, \
	264	_SD_VARARGS_FOREACH_EVEN_04, _SD_VARARGS_FOREACH_EVEN_03, \
e10409ad YW	265	_SD_VARARGS_FOREACH_EVEN_02, _SD_VARARGS_FOREACH_EVEN_01, \
e10409ad YW	266	_SD_VARARGS_FOREACH_EVEN_00) \
c068a17f YW	267	(FN, __VA_ARGS__)
c068a17f YW	268
e10409ad	269	#define _SD_VARARGS_FOREACH_ODD_00(FN)
c068a17f YW	270	#define _SD_VARARGS_FOREACH_ODD_01(FN, X)
	271	#define _SD_VARARGS_FOREACH_ODD_02(FN, X, Y) FN(Y)
	272	#define _SD_VARARGS_FOREACH_ODD_04(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_02(FN, __VA_ARGS__)
	273	#define _SD_VARARGS_FOREACH_ODD_06(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_04(FN, __VA_ARGS__)
	274	#define _SD_VARARGS_FOREACH_ODD_08(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_06(FN, __VA_ARGS__)
	275	#define _SD_VARARGS_FOREACH_ODD_10(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_08(FN, __VA_ARGS__)
	276	#define _SD_VARARGS_FOREACH_ODD_12(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_10(FN, __VA_ARGS__)
	277	#define _SD_VARARGS_FOREACH_ODD_14(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_12(FN, __VA_ARGS__)
	278	#define _SD_VARARGS_FOREACH_ODD_16(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_14(FN, __VA_ARGS__)
	279	#define _SD_VARARGS_FOREACH_ODD_18(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_16(FN, __VA_ARGS__)
	280	#define _SD_VARARGS_FOREACH_ODD_20(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_18(FN, __VA_ARGS__)
	281	#define _SD_VARARGS_FOREACH_ODD_22(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_20(FN, __VA_ARGS__)
	282	#define _SD_VARARGS_FOREACH_ODD_24(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_22(FN, __VA_ARGS__)
	283	#define _SD_VARARGS_FOREACH_ODD_26(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_24(FN, __VA_ARGS__)
	284	#define _SD_VARARGS_FOREACH_ODD_28(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_26(FN, __VA_ARGS__)
	285	#define _SD_VARARGS_FOREACH_ODD_30(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_28(FN, __VA_ARGS__)
	286	#define _SD_VARARGS_FOREACH_ODD_32(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_30(FN, __VA_ARGS__)
	287	#define _SD_VARARGS_FOREACH_ODD_34(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_32(FN, __VA_ARGS__)
	288	#define _SD_VARARGS_FOREACH_ODD_36(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_34(FN, __VA_ARGS__)
	289	#define _SD_VARARGS_FOREACH_ODD_38(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_36(FN, __VA_ARGS__)
	290	#define _SD_VARARGS_FOREACH_ODD_40(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_38(FN, __VA_ARGS__)
	291	#define _SD_VARARGS_FOREACH_ODD_42(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_40(FN, __VA_ARGS__)
	292	#define _SD_VARARGS_FOREACH_ODD_44(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_42(FN, __VA_ARGS__)
	293	#define _SD_VARARGS_FOREACH_ODD_46(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_44(FN, __VA_ARGS__)
	294	#define _SD_VARARGS_FOREACH_ODD_48(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_46(FN, __VA_ARGS__)
	295	#define _SD_VARARGS_FOREACH_ODD_50(FN, X, Y, ...) FN(Y) _SD_VARARGS_FOREACH_ODD_48(FN, __VA_ARGS__)
	296
	297	#define _SD_VARARGS_FOREACH_ODD(FN, ...) \
	298	_SD_VARARGS_FOREACH_SEQ(__VA_ARGS__, \
	299	_SD_VARARGS_FOREACH_ODD_50, _SD_VARARGS_FOREACH_ODD_49, \
	300	_SD_VARARGS_FOREACH_ODD_48, _SD_VARARGS_FOREACH_ODD_47, \
	301	_SD_VARARGS_FOREACH_ODD_46, _SD_VARARGS_FOREACH_ODD_45, \
	302	_SD_VARARGS_FOREACH_ODD_44, _SD_VARARGS_FOREACH_ODD_43, \
	303	_SD_VARARGS_FOREACH_ODD_42, _SD_VARARGS_FOREACH_ODD_41, \
	304	_SD_VARARGS_FOREACH_ODD_40, _SD_VARARGS_FOREACH_ODD_39, \
	305	_SD_VARARGS_FOREACH_ODD_38, _SD_VARARGS_FOREACH_ODD_37, \
	306	_SD_VARARGS_FOREACH_ODD_36, _SD_VARARGS_FOREACH_ODD_35, \
	307	_SD_VARARGS_FOREACH_ODD_34, _SD_VARARGS_FOREACH_ODD_33, \
	308	_SD_VARARGS_FOREACH_ODD_32, _SD_VARARGS_FOREACH_ODD_31, \
	309	_SD_VARARGS_FOREACH_ODD_30, _SD_VARARGS_FOREACH_ODD_29, \
	310	_SD_VARARGS_FOREACH_ODD_28, _SD_VARARGS_FOREACH_ODD_27, \
	311	_SD_VARARGS_FOREACH_ODD_26, _SD_VARARGS_FOREACH_ODD_25, \
	312	_SD_VARARGS_FOREACH_ODD_24, _SD_VARARGS_FOREACH_ODD_23, \
	313	_SD_VARARGS_FOREACH_ODD_22, _SD_VARARGS_FOREACH_ODD_21, \
	314	_SD_VARARGS_FOREACH_ODD_20, _SD_VARARGS_FOREACH_ODD_19, \
	315	_SD_VARARGS_FOREACH_ODD_18, _SD_VARARGS_FOREACH_ODD_17, \
	316	_SD_VARARGS_FOREACH_ODD_16, _SD_VARARGS_FOREACH_ODD_15, \
	317	_SD_VARARGS_FOREACH_ODD_14, _SD_VARARGS_FOREACH_ODD_13, \
	318	_SD_VARARGS_FOREACH_ODD_12, _SD_VARARGS_FOREACH_ODD_11, \
	319	_SD_VARARGS_FOREACH_ODD_10, _SD_VARARGS_FOREACH_ODD_09, \
	320	_SD_VARARGS_FOREACH_ODD_08, _SD_VARARGS_FOREACH_ODD_07, \
	321	_SD_VARARGS_FOREACH_ODD_06, _SD_VARARGS_FOREACH_ODD_05, \
	322	_SD_VARARGS_FOREACH_ODD_04, _SD_VARARGS_FOREACH_ODD_03, \
e10409ad YW	323	_SD_VARARGS_FOREACH_ODD_02, _SD_VARARGS_FOREACH_ODD_01, \
e10409ad YW	324	_SD_VARARGS_FOREACH_ODD_00) \
c068a17f	325	(FN, __VA_ARGS__)
eff7c2d3 DDM	326
	327	#define SD_BUS_ARGS(...) __VA_ARGS__
	328	#define SD_BUS_RESULT(...) __VA_ARGS__
	329
c068a17f YW	330	#define SD_BUS_NO_ARGS SD_BUS_ARGS(NULL)
c068a17f YW	331	#define SD_BUS_NO_RESULT SD_BUS_RESULT(NULL)
eff7c2d3 DDM	332
	333	#define SD_BUS_METHOD_WITH_ARGS(_member, _args, _result, _handler, _flags) \
	334	SD_BUS_METHOD_WITH_NAMES(_member, \
c068a17f YW	335	_SD_VARARGS_FOREACH_EVEN(_SD_ECHO, _args), \
	336	_SD_VARARGS_FOREACH_ODD(_SD_CONCAT, _args), \
	337	_SD_VARARGS_FOREACH_EVEN(_SD_ECHO, _result), \
	338	_SD_VARARGS_FOREACH_ODD(_SD_CONCAT, _result) "\0", \
	339	_handler, _flags)
eff7c2d3 DDM	340
	341	#define SD_BUS_METHOD_WITH_ARGS_OFFSET(_member, _args, _result, _handler, _offset, _flags) \
	342	SD_BUS_METHOD_WITH_NAMES_OFFSET(_member, \
	343	_SD_VARARGS_FOREACH_EVEN(_SD_ECHO, _args), \
c068a17f	344	_SD_VARARGS_FOREACH_ODD(_SD_CONCAT, _args), \
eff7c2d3	345	_SD_VARARGS_FOREACH_EVEN(_SD_ECHO, _result), \
c068a17f	346	_SD_VARARGS_FOREACH_ODD(_SD_CONCAT, _result) "\0", \
eff7c2d3 DDM	347	_handler, _offset, _flags)
	348
	349	#define SD_BUS_SIGNAL_WITH_ARGS(_member, _args, _flags) \
	350	SD_BUS_SIGNAL_WITH_NAMES(_member, \
	351	_SD_VARARGS_FOREACH_EVEN(_SD_ECHO, _args), \
c068a17f	352	_SD_VARARGS_FOREACH_ODD(_SD_CONCAT, _args) "\0", \
eff7c2d3 DDM	353	_flags)
eff7c2d3 DDM	354
0095c454	355	_SD_END_DECLARATIONS;
6695ed7a	356
29ddb38f	357	#endif