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Spec files documentation. Added information about wide strings. Based 

on comments by Patrik Stridvall.
This commit is contained in:
Andriy Palamarchuk 2002-09-12 17:53:22 +00:00 committed by Alexandre Julliard
parent 81ac4f2c3d
commit bd0feb620e
1 changed files with 35 additions and 1 deletions
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36
documentation/winelib-toolkit.sgml
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@ -865,14 +865,48 @@ ORDINAL FUNCTYPE EXPORTNAME([ARGTYPE [ARGTYPE [...]]]) HANDLERNAME
<term>segstr</term>
<listitem><para>for a segmented pointer to a null-terminated string</para></listitem>
</varlistentry>
<varlistentry>
<term>wstr</term>
<listitem><para>for a linear pointer to a null-terminated wide
(16-bit Unicode) string</para></listitem>
</varlistentry>
</variablelist>
<para>
Only <literal>ptr</literal>, <literal>str</literal> and
Only <literal>ptr</literal>, <literal>str</literal>,
<literal>wstr</literal> and
<literal>long</literal> are valid for Win32 functions.
<literal>HANDLERNAME</literal> is the name of the actual Wine
function that will process the request in 32-bit mode.
</para>
<para>
Strings should almost always map to str,
wide strings - wstr.
As the general rule it depends on whether the
parameter is IN, OUT or IN/OUT.
</para>
<itemizedlist>
<listitem>
<para>
IN: str/wstr
</para>
</listitem>
<listitem>
<para>
OUT: ptr
</para>
</listitem>
<listitem>
<para>
IN/OUT: str/wstr
</para>
</listitem>
</itemizedlist>
<para>
It is for debug messages. If the parameter is OUT
it might not be initialized as thus it should not
be printed as a string.
</para>
<para>
The two examples define an entry point for the
<function>CreateWindow</function> and <function>GetFocus</function>