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.TH XkbAllocGeomProps __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
.SH NAME
XkbAllocGeomProps \- Allocate geometry properties
.SH SYNOPSIS
.B Status XkbAllocGeomProps
(
.I geom,
.I num_needed
)
.br
      XkbGeometryPtr \fIgeom\fP\^;
.br
      int \fInum_needed\fP\^;
.if n .ti +5n
.if t .ti +.5i
.SH ARGUMENTS
.TP
.I \- geom
_summary_
.TP
.I \- num_needed
_summary_
.SH DESCRIPTION
.LP
Xkb provides a number of functions to allocate and free subcomponents of a 
keyboard geometry. Use these functions to create or modify keyboard geometries. 
Note that these functions merely allocate space for the new element(s), and it 
is up to you to fill in the values explicitly in your code. These allocation 
functions increase 
.I sz_* 
but never touch 
.I num_* 
(unless there is an allocation failure, in which case they reset both 
.I sz_* 
and 
.I num_* 
to zero). These functions return Success if they succeed, BadAlloc if they are 
not able to allocate space, or BadValue if a parameter is not as expected.

.I XkbAllocGeomProps 
allocates space for 
.I num_needed 
properties and adds them to the specified geometry 
.I geom. 
No initialization of the properties is done. A geometry property associates an 
arbitrary string with an equally arbitrary name. Geometry properties can be used 
to provide hints to programs that display images of keyboards, but they are not 
interpreted by Xkb. No other geometry structures refer to geometry properties.
.SH DIAGNOSTICS
.TP 15
.B BadAlloc
Unable to allocate storage
.TP 15
.B BadValue
An argument is out of range