/
tif_close.c
138 lines (118 loc) · 3.97 KB
/
tif_close.c
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/*
* 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
* completely 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 *psLink = tif->tif_clientinfo;
tif->tif_clientinfo = psLink->next;
_TIFFfree( psLink->name );
_TIFFfree( psLink );
}
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:
*/