tif_close.c
上传用户:looem2003
上传日期:2014-07-20
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文件大小:4k
- /* $Id: tif_close.c,v 1.9 2005/11/23 22:20:56 dron 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"
- /************************************************************************/
- /* 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);
- }