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"

/************************************************************************/
/*                            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)
{
	if (tif->tif_mode != O_RDONLY)
	    /*
	     * Flush buffered data and directory (if dirty).
	     */
	    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, tif->tif_size);

	/* Clean up custom fields */
	if (tif->tif_nfields > 0)
	{
	    size_t  i;

	    for (i = 0; i < tif->tif_nfields; i++)
	    {
		TIFFFieldInfo *fld = tif->tif_fieldinfo[i];
		if (fld->field_bit == FIELD_CUSTOM &&
		    strncmp("Tag ", fld->field_name, 4) == 0)
		{
		    _TIFFfree(fld->field_name);
		    _TIFFfree(fld);
		}
	    }

	    _TIFFfree(tif->tif_fieldinfo);
	}

	_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);
}
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
	32	/************************************************************************/
	33	/* TIFFCleanup() */
	34	/************************************************************************/
	35
	36	/**
	37	* Auxiliary function to free the TIFF structure. Given structure will be
	38	* completetly freed, so you should save opened file handle and pointer
	39	* to the close procedure in external variables before calling
	40	* _TIFFCleanup(), if you will need these ones to close the file.
	41	*
	42	* @param tif A TIFF pointer.
	43	*/
	44
	45	void
	46	TIFFCleanup(TIFF* tif)
	47	{
	48	if (tif->tif_mode != O_RDONLY)
	49	/*
	50	* Flush buffered data and directory (if dirty).
	51	*/
	52	TIFFFlush(tif);
	53	(*tif->tif_cleanup)(tif);
	54	TIFFFreeDirectory(tif);
	55
	56	if (tif->tif_dirlist)
	57	_TIFFfree(tif->tif_dirlist);
	58
	59	/* Clean up client info links */
	60	while( tif->tif_clientinfo )
	61	{
	62	TIFFClientInfoLink *link = tif->tif_clientinfo;
	63
	64	tif->tif_clientinfo = link->next;
	65	_TIFFfree( link->name );
	66	_TIFFfree( link );
	67	}
	68
	69	if (tif->tif_rawdata && (tif->tif_flags&TIFF_MYBUFFER))
	70	_TIFFfree(tif->tif_rawdata);
	71	if (isMapped(tif))
	72	TIFFUnmapFileContents(tif, tif->tif_base, tif->tif_size);
	73
	74	/* Clean up custom fields */
	75	if (tif->tif_nfields > 0)
	76	{
	77	size_t i;
	78
	79	for (i = 0; i < tif->tif_nfields; i++)
	80	{
	81	TIFFFieldInfo *fld = tif->tif_fieldinfo[i];
	82	if (fld->field_bit == FIELD_CUSTOM &&
	83	strncmp("Tag ", fld->field_name, 4) == 0)
	84	{
	85	_TIFFfree(fld->field_name);
	86	_TIFFfree(fld);
	87	}
	88	}
	89
	90	_TIFFfree(tif->tif_fieldinfo);
	91	}
	92
	93	_TIFFfree(tif);
	94	}
	95
	96	/************************************************************************/
	97	/* TIFFClose() */
	98	/************************************************************************/
	99
	100	/**
	101	* Close a previously opened TIFF file.
	102	*
	103	* TIFFClose closes a file that was previously opened with TIFFOpen().
	104	* Any buffered data are flushed to the file, including the contents of
	105	* the current directory (if modified); and all resources are reclaimed.
	106	*
	107	* @param tif A TIFF pointer.
	108	*/
	109
	110	void
	111	TIFFClose(TIFF* tif)
	112	{
	113	TIFFCloseProc closeproc = tif->tif_closeproc;
	114	thandle_t fd = tif->tif_clientdata;
	115
	116	TIFFCleanup(tif);
	117	(void) (*closeproc)(fd);
	118	}
	119