159 lines
3.6 KiB
C
Executable File
159 lines
3.6 KiB
C
Executable File
/* exif-mnote-data.c
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*
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* Copyright (C) 2003 Lutz Mueller <lutz@users.sourceforge.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*/
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#include <config.h>
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#include <libexif/exif-mnote-data.h>
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#include <libexif/exif-mnote-data-priv.h>
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#include <stdlib.h>
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#include <string.h>
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struct _ExifMnoteDataPriv
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{
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unsigned int ref_count;
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};
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void
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exif_mnote_data_construct (ExifMnoteData *d, ExifMem *mem)
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{
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if (!d || !mem) return;
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if (d->priv) return;
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d->priv = exif_mem_alloc (mem, sizeof (ExifMnoteDataPriv));
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if (!d->priv) return;
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d->priv->ref_count = 1;
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d->mem = mem;
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exif_mem_ref (mem);
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}
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void
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exif_mnote_data_ref (ExifMnoteData *d)
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{
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if (d && d->priv) d->priv->ref_count++;
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}
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static void
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exif_mnote_data_free (ExifMnoteData *d)
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{
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ExifMem *mem = d ? d->mem : NULL;
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if (!d) return;
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if (d->priv) {
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if (d->methods.free) d->methods.free (d);
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exif_mem_free (mem, d->priv);
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d->priv = NULL;
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}
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exif_log_unref (d->log);
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exif_mem_free (mem, d);
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exif_mem_unref (mem);
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}
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void
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exif_mnote_data_unref (ExifMnoteData *d)
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{
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if (!d || !d->priv) return;
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if (d->priv->ref_count > 0) d->priv->ref_count--;
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if (!d->priv->ref_count)
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exif_mnote_data_free (d);
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}
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void
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exif_mnote_data_load (ExifMnoteData *d, const unsigned char *buf,
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unsigned int buf_size)
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{
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if (!d || !d->methods.load) return;
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d->methods.load (d, buf, buf_size);
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}
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void
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exif_mnote_data_save (ExifMnoteData *d, unsigned char **buf,
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unsigned int *buf_size)
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{
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if (!d || !d->methods.save) return;
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d->methods.save (d, buf, buf_size);
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}
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void
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exif_mnote_data_set_byte_order (ExifMnoteData *d, ExifByteOrder o)
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{
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if (!d || !d->methods.set_byte_order) return;
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d->methods.set_byte_order (d, o);
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}
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void
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exif_mnote_data_set_offset (ExifMnoteData *d, unsigned int o)
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{
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if (!d || !d->methods.set_offset) return;
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d->methods.set_offset (d, o);
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}
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unsigned int
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exif_mnote_data_count (ExifMnoteData *d)
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{
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if (!d || !d->methods.count) return 0;
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return d->methods.count (d);
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}
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unsigned int
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exif_mnote_data_get_id (ExifMnoteData *d, unsigned int n)
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{
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if (!d || !d->methods.get_id) return 0;
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return d->methods.get_id (d, n);
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}
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const char *
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exif_mnote_data_get_name (ExifMnoteData *d, unsigned int n)
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{
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if (!d || !d->methods.get_name) return NULL;
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return d->methods.get_name (d, n);
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}
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const char *
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exif_mnote_data_get_title (ExifMnoteData *d, unsigned int n)
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{
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if (!d || !d->methods.get_title) return NULL;
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return d->methods.get_title (d, n);
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}
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const char *
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exif_mnote_data_get_description (ExifMnoteData *d, unsigned int n)
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{
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if (!d || !d->methods.get_description) return NULL;
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return d->methods.get_description (d, n);
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}
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char *
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exif_mnote_data_get_value (ExifMnoteData *d, unsigned int n, char *val, unsigned int maxlen)
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{
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if (!d || !d->methods.get_value) return NULL;
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return d->methods.get_value (d, n, val, maxlen);
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}
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void
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exif_mnote_data_log (ExifMnoteData *d, ExifLog *log)
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{
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if (!d) return;
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exif_log_unref (d->log);
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d->log = log;
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exif_log_ref (log);
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}
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