158 lines
2.9 KiB
HTML
158 lines
2.9 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of SD_BUS_MESSAGE_COPY</TITLE>
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</HEAD><BODY>
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<H1>SD_BUS_MESSAGE_COPY</H1>
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Section: sd_bus_message_copy (3)<BR>Updated: <BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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sd_bus_message_copy - Copy the contents of one message to another
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<P>
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<B>
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</B><PRE>
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#include <<A HREF="file:///usr/include/systemd/sd-bus.h">systemd/sd-bus.h</A>>
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</PRE>
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<DL COMPACT>
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<DT id="1">
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<B>int sd_bus_message_copy(sd_bus_message *</B><I>m</I><B>, sd_bus_message *</B><I>source</I><B>, int </B><I>all</I><B>);</B>
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</DL>
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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<P>
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<B>sd_bus_message_copy()</B>
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<DD>copies the contents from message
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<I>source</I>
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to
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<I>m</I>. If
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<I>all</I>
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is false, a single complete type is copied (basic or container). If
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<I>all</I>
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is true, the contents are copied until the end of the currently open container or the end of
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<I>source</I>.
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<A NAME="lbAE"> </A>
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<H2>RETURN VALUE</H2>
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<P>
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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.
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<A NAME="lbAF"> </A>
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<H3>Errors</H3>
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<P>
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Returned errors may indicate the following problems:
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<P>
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<B>-EINVAL</B>
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<DL COMPACT><DT id="2"><DD>
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<I>source</I>
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or
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<I>m</I>
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are
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<B>NULL</B>.
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</DL>
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<P>
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<B>-EPERM</B>
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<DL COMPACT><DT id="3"><DD>
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Message
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<I>m</I>
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has been sealed or
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<I>source</I>
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has
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<I>not</I>
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been sealed.
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</DL>
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<P>
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<B>-ESTALE</B>
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<DL COMPACT><DT id="4"><DD>
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Destination message is in invalid state.
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</DL>
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<P>
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<B>-ENXIO</B>
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<DL COMPACT><DT id="5"><DD>
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Destination message cannot be appended to.
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</DL>
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<P>
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<B>-ENOMEM</B>
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<DL COMPACT><DT id="6"><DD>
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Memory allocation failed.
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</DL>
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<A NAME="lbAG"> </A>
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<H2>NOTES</H2>
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<P>
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These APIs are implemented as a shared library, which can be compiled and linked to with the
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<B>libsystemd</B> <B><A HREF="/cgi-bin/man/man2html?1+pkg-config">pkg-config</A></B>(1)
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file.
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<A NAME="lbAH"> </A>
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<H2>SEE ALSO</H2>
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<P>
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<B><A HREF="/cgi-bin/man/man2html?1+systemd">systemd</A></B>(1),
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<B><A HREF="/cgi-bin/man/man2html?3+sd-bus">sd-bus</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?3+sd_bus_message_append">sd_bus_message_append</A></B>(3)
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="7"><A HREF="#lbAB">NAME</A><DD>
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<DT id="8"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="9"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="10"><A HREF="#lbAE">RETURN VALUE</A><DD>
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<DL>
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<DT id="11"><A HREF="#lbAF">Errors</A><DD>
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</DL>
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<DT id="12"><A HREF="#lbAG">NOTES</A><DD>
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<DT id="13"><A HREF="#lbAH">SEE ALSO</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:05:54 GMT, March 31, 2021
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</BODY>
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</HTML>
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