[Xcb] valueparam does not work in reply

[Josh Triplett]

Jeremy Kolb wrote:
> <valueparam> does not work in reply:
>
> <request name="GetFBConfigs" opcode="21">
>         <field type="CARD32" name="screen" />
>         <reply>
>             <pad bytes="1" />
>             <field type="CARD32" name="numFBConfigs" />
>             <field type="CARD32" name="numProperties" />
>             <pad bytes="16" />
>             <valueparam value-mask-type="CARD32"
>                 value-mask-name="value_mask"
>                 value-list-name="value_list" />
>         </reply>
>     </request>
>
> generates:
>
> XCBGLXGetFBConfigsCookie XCBGLXGetFBConfigs(XCBConnection *c, CARD32
> screen);
> CARD32 *XCBGLXGetFBConfigsValueList(XCBGLXGetFBConfigsRep *R);
> int XCBGLXGetFBConfigsValueListLength(XCBGLXGetFBConfigsRep *R);
> XCBGenericIter XCBGLXGetFBConfigsValueListEnd(XCBGLXGetFBConfigsRep *R);
> XCBGLXGetFBConfigsRep *XCBGLXGetFBConfigsReply(XCBConnection *c,
> XCBGLXGetFBConfigsCookie cookie, XCBGenericError **e);
>
> value_mask is undefined, c doesn't like that.

Check the reply structure definition in the C header file; it should
have a "CARD32 value_mask".  The function definitions you quote are only
for retrieving variable-length data like the list, but the mask is a
normal field.

- Josh Triplett
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