Log when a subsidiary IFD (EXIF, GPS, Interoperability, thumbnail) is found

diff --git a/libexif/exif-data.c b/libexif/exif-data.c
index 11d0b60..1185c61 100644 (file)
--- a/libexif/exif-data.c
+++ b/libexif/exif-data.c
@@ -171,6 +171,9 @@ exif_data_load_data_entry (ExifData *data, ExifEntry *entry,
        entry->format     = exif_get_short (d + offset + 2, data->priv->order);
        entry->components = exif_get_long  (d + offset + 4, data->priv->order);
 
+       /* FIXME: should use exif_tag_get_name_in_ifd here but entry->parent 
+        * has not been set yet
+        */
        exif_log (data->priv->log, EXIF_LOG_CODE_DEBUG, "ExifData",
                  "Loading entry 0x%x ('%s')...", entry->tag,
                  exif_tag_get_name (entry->tag));
@@ -398,6 +401,11 @@ exif_data_load_data_content (ExifData *data, ExifIfd ifd,
                case EXIF_TAG_JPEG_INTERCHANGE_FORMAT:
                        o = exif_get_long (d + offset + 12 * i + 8,
                                           data->priv->order);
+                       /* FIXME: IFD_POINTER tags aren't marked as being in a
+                        * specific IFD, so exif_tag_get_name_in_ifd won't work
+                        */
+                       exif_log (data->priv->log, EXIF_LOG_CODE_DEBUG, "ExifData",
+                                 "IFD entry 0x%x at %u.", tag, o);
                        switch (tag) {
                        case EXIF_TAG_EXIF_IFD_POINTER:
                                CHECK_REC (EXIF_IFD_EXIF);

diff --git a/libexif/exif-data.h b/libexif/exif-data.h
index cb047ff..50830f0 100644 (file)
--- a/libexif/exif-data.h
+++ b/libexif/exif-data.h
@@ -127,6 +127,8 @@ void          exif_data_set_byte_order  (ExifData *data, ExifByteOrder order);
 
 /*! Return the MakerNote data out of the EXIF data.  Only certain
  * MakerNote formats that are recognized by libexif are supported.
+ * The pointer references a member of the #ExifData structure and must NOT be
+ * freed by the caller.
  *
  * \param[in] d EXIF data
  * \return MakerNote data, or NULL if not found or not supported