xwords/xwords4/common/vtabmgr.c
2008-05-31 03:26:16 +00:00

75 lines
1.9 KiB
C

/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
/*
* Copyright 2001 by Eric House (xwords@eehouse.org). All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "vtabmgr.h"
#define VTABLE_NUM_SLOTS VTABLE_LAST_ENTRY
#ifdef CPLUS
extern "C" {
#endif
struct VTableMgr {
void* slots[VTABLE_NUM_SLOTS];
};
VTableMgr*
make_vtablemgr( MPFORMAL_NOCOMMA )
{
VTableMgr* result = (VTableMgr*)XP_MALLOC( mpool, sizeof(*result) );
XP_MEMSET( result, 0, sizeof(*result) );
return result;
} /* make_vtablemgr */
void
vtmgr_destroy( MPFORMAL VTableMgr* vtmgr )
{
XP_U16 i;
XP_ASSERT( !!vtmgr );
for ( i = 0; i < VTABLE_NUM_SLOTS; ++i ) {
void* vtable = vtmgr->slots[i];
if ( !!vtable ) {
XP_FREE( mpool, vtable );
}
}
XP_FREE( mpool, vtmgr );
} /* vtmgr_destroy */
void
vtmgr_setVTable( VTableMgr* vtmgr, VtableType typ, void* vtable )
{
XP_ASSERT( typ < VTABLE_NUM_SLOTS );
XP_ASSERT( !vtmgr->slots[typ] );
vtmgr->slots[typ] = vtable;
} /* VTMSetVtable */
void*
vtmgr_getVTable( VTableMgr* vtmgr, VtableType typ )
{
XP_ASSERT( typ < VTABLE_NUM_SLOTS );
return vtmgr->slots[typ];
} /* VTMGetVtable */
#ifdef CPLUS
}
#endif