скопируйте содержимое одного сообщения в другое (Copy the contents of one message to another)
Имя (Name)
sd_bus_message_copy - Copy the contents of one message to another
Синопсис (Synopsis)
#include <systemd/sd-bus.h>
int sd_bus_message_copy(sd_bus_message *m,
sd_bus_message *source, int all);
Описание (Description)
sd_bus_message_copy() copies the contents from message source to
m. If all is false, a single complete type is copied (basic or
container). If all is true, the contents are copied until the end
of the currently open container or the end of source.
Возвращаемое значение (Return value)
On success, this call returns true if anything was copied, and
false if there was nothing to copy. On failure, it returns a
negative errno-style error code.
Errors
Returned errors may indicate the following problems:
-EINVAL
source or m are NULL.
-EPERM
Message m has been sealed or source has not been sealed.
-ESTALE
Destination message is in invalid state.
-ENXIO
Destination message cannot be appended to.
-ENOMEM
Memory allocation failed.
Примечание (Note)
These APIs are implemented as a shared library, which can be
compiled and linked to with the libsystemd pkg-config(1) file.
Смотри также (See also)
systemd(1), sd-bus(3), sd_bus_message_append(3)
