sd_bus_message_append_strv

Index · Directives · Python · libudev · gudev systemd 220

## Name

sd_bus_message_append_strv — Attach an array of strings to a message

## Synopsis

    #include <systemd/sd-bus.h>

`int sd_bus_message_append_strv(` | sd_bus_message *m,
| char **l`)`;

## Description

The `sd_bus_message_append` function can be used to append an array of strings to message `m`. The parameter `l` shall point to a `NULL`-terminated array of pointers to `NUL`-terminated strings. Each string must satisfy the same constraints as described for the "`s`" type in sd_bus_message_append_basic(3).

The memory pointed at by `p` and the contents of the strings themselves are copied into the memory area containing the message and may be changed after this call. Note that the signature of `l` parameter is to be treated as const char *const *, and the contents will not be modified.

## Return Value

On success, this call returns 0 or a positive integer. On failure, a negative errno-style error code is returned.

## Errors

Returned errors may indicate the following problems:

`-EINVAL`

  Specified parameter is invalid.

`-EPERM`

  Message has been sealed.

`-ESTALE`

  Message is in invalid state.

`-ENXIO`

  Message cannot be appended to.

`-ENOMEM`

  Memory allocation failed.

## Notes

The `sd_bus_append_append_strv()` function described here is available as a shared library, which can be compiled and linked to with the `libsystemd` pkg-config(1) file.

## See Also

systemd(1), sd-bus(3), sd_bus_message_append(3), sd_bus_message_append_array(3), The D-Bus specification