sd_bus_message_at_end

systemd

sd_bus_message_at_end

3

sd_bus_message_at_end

Check if a message has been fully read

#include <systemd/sd-bus.h>

int

sd_bus_message_at_end

sd_bus_message *

m

int

complete

Description

sd_bus_message_at_end() returns whether all data from the currently opened container in m or all data from all containers in m has been read. If complete is zero, this function returns whether all data from the currently opened container has been read. If complete is non-zero, this function returns whether all data from all containers in m has been read.

Return Value

If all data from all containers or the current container (depending on the value of complete) has been read, sd_bus_message_at_end() returns a positive integer. If there is still data left to be read, it returns zero. On failure, it returns a negative errno-style error code.

Errors

Returned errors may indicate the following problems:

-EINVAL
The m parameter is NULL.

-EPERM
The message is not sealed.

History

sd_bus_message_at_end() was added in version 246.

See Also

systemd(1), sd-bus(3), sd_bus_message_read(3)