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Initial import of the CDE 2.1.30 sources from the Open Group.

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Peter Howkins
2012-03-10 18:21:40 +00:00
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cde/doc/C/guides/man/m3_Dt/SrchMsgs.sgm Normal file
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<!-- $XConsortium: dtsrmsgs.sgm 1996 -->
<!-- (c) Copyright 1995 Digital Equipment Corporation. -->
<!-- (c) Copyright 1995 Hewlett-Packard Company. -->
<!-- (c) Copyright 1995 International Business Machines Corp. -->
<!-- (c) Copyright 1995 Sun Microsystems, Inc. -->
<!-- (c) Copyright 1995 Novell, Inc. -->
<!-- (c) Copyright 1995 FUJITSU LIMITED. -->
<!-- (c) Copyright 1995 Hitachi. -->
<![ %CDE.C.CDE; [<refentry id="CDE.SEARCH.DtSearchMessages">]]><refmeta>
<refentrytitle>DtSearchMessages</refentrytitle><manvolnum>library call
</manvolnum></refmeta>
<refnamediv>
<refname><function>DtSearchMessages</function></refname>
<refpurpose>Access and manipulate messages on the DtSearch MessageList
</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis>
<funcsynopsisinfo>#include &lt;Dt/Search.h></funcsynopsisinfo>
<funcdef>int <function>DtSearchHasMessages</function></funcdef>
<paramdef></paramdef>
<funcdef>void <function>DtSearchAddMessage</function></funcdef>
<paramdef>const char <parameter>*msg</parameter></paramdef>
<funcdef>char <function>*DtSearchGetMessages</function></funcdef>
<paramdef></paramdef>
<funcdef>void <function>DtSearchFreeMessages</function></funcdef>
<paramdef></paramdef>
</funcsynopsis>
</refsynopsisdiv>
<refsect1>
<title>DESCRIPTION</title>
<para>The DtSearch online search engine may assemble detailed user messages
to explain various errors and failures. These messages are designed
to provide a user with enough information to correct the error.
Often more than one message is assembled onto the MessageList
as the result of a single API call. The calling code may also
append messages to the MessageList prior to display to the user.
All messages remain on the MessageList and new messages are
appended to the preexisting list until the list is specifically
freed by the calling code.</para>
<para><function>DtSearchHasMessages</function> returns zero if
the MessageList is empty, and returns nonzero if there are any information
or error messages currently on the MessageList.
</para>
<para><function>DtSearchAddMessage</function> appends a message to the end of
the MessageList. A message is defined as a zero-terminated C string.
</para>
<para><function>DtSearchGetMessages</function> returns a static text buffer
containing all current messages on the MessageList. The messages are
returned as a single flat, zero-terminated C string, with two ASCII
linefeed characters between messages (giving the appearance of a blank
line between messages). It is expected that the calling code will
display the text in a message dialog box or its equivalent. The returned
buffer address is valid until the next call. If the MessageList is
currently empty, this function returns a pointer to an empty string.
</para>
<para><function>DtSearchFreeMessages</function> clears all messages on the
MessageList. It is usually called after the user has dismissed a dialog
box displaying the current messages.
</para>
</refsect1>
<refsect1>
<title>SEE ALSO</title>
<para>&cdeman.DtSrAPI;
</para>
</refsect1></refentry>