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Diffstat (limited to 'tiff/libtiff/tif_close.c')
| -rwxr-xr-x | tiff/libtiff/tif_close.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/tiff/libtiff/tif_close.c b/tiff/libtiff/tif_close.c new file mode 100755 index 0000000..13d2bab --- /dev/null +++ b/tiff/libtiff/tif_close.c @@ -0,0 +1,140 @@ +/* $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> + +/************************************************************************/ +/* 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: + */ |