/* $Id: tif_close.c,v 1.19 2010-03-10 18:56:48 bfriesen Exp $ */

/*

 * Copyright (c) 1988-1997 Sam Leffler

 * Copyright (c) 1991-1997 Silicon Graphics, Inc.

 *

 * Permission to use, copy, modify, distribute, and sell this software and 

 * its documentation for any purpose is hereby granted without fee, provided

 * that (i) the above copyright notices and this permission notice appear in

 * all copies of the software and related documentation, and (ii) the names of

 * Sam Leffler and Silicon Graphics may not be used in any advertising or

 * publicity relating to the software without the specific, prior written

 * permission of Sam Leffler and Silicon Graphics.

 * 

 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 

 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 

 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  

 * 

 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR

 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,

 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,

 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 

 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 

 * OF THIS SOFTWARE.

 */

/*

 * TIFF Library.

 */

#include "tiffiop.h"

#include <string.h></string.h>

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

/*                            TIFFCleanup()                             */

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

/**

 * Auxiliary function to free the TIFF structure. Given structure will be

 * completetly freed, so you should save opened file handle and pointer

 * to the close procedure in external variables before calling

 * _TIFFCleanup(), if you will need these ones to close the file.

 * 

 * @param tif A TIFF pointer.

 */

void

TIFFCleanup(TIFF* tif)

{

	/*

         * Flush buffered data and directory (if dirty).

         */

	if (tif->tif_mode != O_RDONLY)

		TIFFFlush(tif);

	(*tif->tif_cleanup)(tif);

	TIFFFreeDirectory(tif);

	if (tif->tif_dirlist)

		_TIFFfree(tif->tif_dirlist);

	/*

         * Clean up client info links.

         */

	while( tif->tif_clientinfo )

	{

		TIFFClientInfoLink *link = tif->tif_clientinfo;

		tif->tif_clientinfo = link->next;

		_TIFFfree( link->name );

		_TIFFfree( link );

	}

	if (tif->tif_rawdata && (tif->tif_flags&TIFF_MYBUFFER))

		_TIFFfree(tif->tif_rawdata);

	if (isMapped(tif))

		TIFFUnmapFileContents(tif, tif->tif_base, (toff_t)tif->tif_size);

	/*

         * Clean up custom fields.

         */

	if (tif->tif_fields && tif->tif_nfields > 0) {

		uint32 i;

		for (i = 0; i < tif->tif_nfields; i++) {

			TIFFField *fld = tif->tif_fields[i];

			if (fld->field_bit == FIELD_CUSTOM &&

			    strncmp("Tag ", fld->field_name, 4) == 0) {

				_TIFFfree(fld->field_name);

				_TIFFfree(fld);

			}

		}

		_TIFFfree(tif->tif_fields);

	}

        if (tif->tif_nfieldscompat > 0) {

                uint32 i;

                for (i = 0; i < tif->tif_nfieldscompat; i++) {

                        if (tif->tif_fieldscompat[i].allocated_size)

                                _TIFFfree(tif->tif_fieldscompat[i].fields);

                }

                _TIFFfree(tif->tif_fieldscompat);

        }

	_TIFFfree(tif);

}

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

/*                            TIFFClose()                               */

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

/**

 * Close a previously opened TIFF file.

 *

 * TIFFClose closes a file that was previously opened with TIFFOpen().

 * Any buffered data are flushed to the file, including the contents of

 * the current directory (if modified); and all resources are reclaimed.

 * 

 * @param tif A TIFF pointer.

 */

void

TIFFClose(TIFF* tif)

{

	TIFFCloseProc closeproc = tif->tif_closeproc;

	thandle_t fd = tif->tif_clientdata;

	TIFFCleanup(tif);

	(void) (*closeproc)(fd);

}

/* vim: set ts=8 sts=8 sw=8 noet: */

/*

 * Local Variables:

 * mode: c

 * c-basic-offset: 8

 * fill-column: 78

 * End:

 */