src/tiff/libtiff/tif_close.c

/* $Id$ */

/*
 * 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>

/************************************************************************/
/*                            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:
 */
Commit	Line	Data
	1	/* $Id$ */
	2
	3	/*
	4	* Copyright (c) 1988-1997 Sam Leffler
	5	* Copyright (c) 1991-1997 Silicon Graphics, Inc.
	6	*
	7	* Permission to use, copy, modify, distribute, and sell this software and
	8	* its documentation for any purpose is hereby granted without fee, provided
	9	* that (i) the above copyright notices and this permission notice appear in
	10	* all copies of the software and related documentation, and (ii) the names of
	11	* Sam Leffler and Silicon Graphics may not be used in any advertising or
	12	* publicity relating to the software without the specific, prior written
	13	* permission of Sam Leffler and Silicon Graphics.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
	16	* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
	17	* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
	18	*
	19	* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
	20	* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
	21	* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
	22	* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
	23	* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
	24	* OF THIS SOFTWARE.
	25	*/
	26
	27	/*
	28	* TIFF Library.
	29	*/
	30	#include "tiffiop.h"
	31	#include <string.h>
	32
	33	/************************************************************************/
	34	/* TIFFCleanup() */
	35	/************************************************************************/
	36
	37	/**
	38	* Auxiliary function to free the TIFF structure. Given structure will be
	39	* completetly freed, so you should save opened file handle and pointer
	40	* to the close procedure in external variables before calling
	41	* _TIFFCleanup(), if you will need these ones to close the file.
	42	*
	43	* @param tif A TIFF pointer.
	44	*/
	45
	46	void
	47	TIFFCleanup(TIFF* tif)
	48	{
	49	/*
	50	* Flush buffered data and directory (if dirty).
	51	*/
	52	if (tif->tif_mode != O_RDONLY)
	53	TIFFFlush(tif);
	54	(*tif->tif_cleanup)(tif);
	55	TIFFFreeDirectory(tif);
	56
	57	if (tif->tif_dirlist)
	58	_TIFFfree(tif->tif_dirlist);
	59
	60	/*
	61	* Clean up client info links.
	62	*/
	63	while( tif->tif_clientinfo )
	64	{
	65	TIFFClientInfoLink *link = tif->tif_clientinfo;
	66
	67	tif->tif_clientinfo = link->next;
	68	_TIFFfree( link->name );
	69	_TIFFfree( link );
	70	}
	71
	72	if (tif->tif_rawdata && (tif->tif_flags&TIFF_MYBUFFER))
	73	_TIFFfree(tif->tif_rawdata);
	74	if (isMapped(tif))
	75	TIFFUnmapFileContents(tif, tif->tif_base, (toff_t)tif->tif_size);
	76
	77	/*
	78	* Clean up custom fields.
	79	*/
	80	if (tif->tif_fields && tif->tif_nfields > 0) {
	81	uint32 i;
	82
	83	for (i = 0; i < tif->tif_nfields; i++) {
	84	TIFFField *fld = tif->tif_fields[i];
	85	if (fld->field_bit == FIELD_CUSTOM &&
	86	strncmp("Tag ", fld->field_name, 4) == 0) {
	87	_TIFFfree(fld->field_name);
	88	_TIFFfree(fld);
	89	}
	90	}
	91
	92	_TIFFfree(tif->tif_fields);
	93	}
	94
	95	if (tif->tif_nfieldscompat > 0) {
	96	uint32 i;
	97
	98	for (i = 0; i < tif->tif_nfieldscompat; i++) {
	99	if (tif->tif_fieldscompat[i].allocated_size)
	100	_TIFFfree(tif->tif_fieldscompat[i].fields);
	101	}
	102	_TIFFfree(tif->tif_fieldscompat);
	103	}
	104
	105	_TIFFfree(tif);
	106	}
	107
	108	/************************************************************************/
	109	/* TIFFClose() */
	110	/************************************************************************/
	111
	112	/**
	113	* Close a previously opened TIFF file.
	114	*
	115	* TIFFClose closes a file that was previously opened with TIFFOpen().
	116	* Any buffered data are flushed to the file, including the contents of
	117	* the current directory (if modified); and all resources are reclaimed.
	118	*
	119	* @param tif A TIFF pointer.
	120	*/
	121
	122	void
	123	TIFFClose(TIFF* tif)
	124	{
	125	TIFFCloseProc closeproc = tif->tif_closeproc;
	126	thandle_t fd = tif->tif_clientdata;
	127
	128	TIFFCleanup(tif);
	129	(void) (*closeproc)(fd);
	130	}
	131
	132	/* vim: set ts=8 sts=8 sw=8 noet: */
	133
	134	/*
	135	* Local Variables:
	136	* mode: c
	137	* c-basic-offset: 8
	138	* fill-column: 78
	139	* End:
	140	*/