sd_bus_message_copy(3) - Linux manual page (original) (raw)

SDBUSMESSAGECOPY(3) sd_bus_message_copy SDBUSMESSAGECOPY(3)

NAME top

   sd_bus_message_copy - Copy the contents of one message to another

SYNOPSIS top

   **#include <systemd/sd-bus.h>**

   **int sd_bus_message_copy(sd_bus_message ***_m_**, sd_bus_message ***_source_**,**
                           **int** _all_**);**

DESCRIPTION top

   **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_.

RETURN VALUE top

   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.

NOTES top

   Functions described here are available as a shared library, which
   can be compiled against and linked to with the
   **libsystemd pkg-config**(1) file.

   The code described here uses [getenv(3)](../man3/getenv.3.html), which is declared to be
   not multi-thread-safe. This means that the code calling the
   functions described here must not call [setenv(3)](../man3/setenv.3.html) from a parallel
   thread. It is recommended to only do calls to **setenv()** from an
   early phase of the program when no other threads have been
   started.

SEE ALSO top

   [systemd(1)](../man1/systemd.1.html), [sd-bus(3)](../man3/sd-bus.3.html), [sd_bus_message_append(3)](../man3/sd%5Fbus%5Fmessage%5Fappend.3.html)

COLOPHON top

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   This page was obtained from the project's upstream Git repository
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   (which is _not_ part of the original manual page), send a mail to
   man-pages@man7.org

systemd 258~devel SDBUSMESSAGECOPY(3)

Pages that refer to this page:sd-bus(3), systemd.directives(7), systemd.index(7)