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Diffstat (limited to 'third_party/tiff_v403/tif_close.c')
-rw-r--r--third_party/tiff_v403/tif_close.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/third_party/tiff_v403/tif_close.c b/third_party/tiff_v403/tif_close.c
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+++ b/third_party/tiff_v403/tif_close.c
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+/* $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:
+ */
+