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att
GitHub Repository: att/ast
 Path: blob/master/src/lib/libvcodex/vcclose.c
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/***********************************************************************

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*                                                                      *

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*               This software is part of the ast package               *

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*          Copyright (c) 2003-2011 AT&T Intellectual Property          *

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*                      and is licensed under the                       *

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*                 Eclipse Public License, Version 1.0                  *

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*                    by AT&T Intellectual Property                     *

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*                                                                      *

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*                A copy of the License is available at                 *

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*          http://www.eclipse.org/org/documents/epl-v10.html           *

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*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

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*                                                                      *

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*              Information and Software Systems Research               *

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*                            AT&T Research                             *

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*                           Florham Park NJ                            *

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*                                                                      *

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*                   Phong Vo <[email protected]>                    *

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*                                                                      *

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***********************************************************************/

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#include	"vchdr.h"

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/*	Close a Vcodex_t handle

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**

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**	Written by Kiem-Phong Vo ([email protected])

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*/

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#if __STD_C

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int vcclose(Vcodex_t* vc)

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#else

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int vcclose(vc)

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Vcodex_t*	vc;

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#endif

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{

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	if(!vc)

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		return -1;

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	if(vc->disc && vc->disc->eventf &&

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	   (*vc->disc->eventf)(vc, VC_CLOSING, NIL(Void_t*), vc->disc) < 0 )

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		return -1;

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	vcbuffer(vc, NIL(Vcchar_t*), -1, -1); /* free all cached buffers */

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	if(vc->coder && (vc->flags&VC_CLOSECODER) && vcclose(vc->coder) < 0 )

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		return -1;

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	if(vcfreecontext(vc, NIL(Vccontext_t*)) < 0 )

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		return -1;

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	if(vc->meth && vc->meth->eventf &&

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	   (*vc->meth->eventf)(vc, VC_CLOSING, NIL(Void_t*)) < 0 )

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		return -1;

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	free(vc);

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	return 0;

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}

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