[gimp/gimp-attributes-wip: 101/102] libgimpbase: check for length of unusual attribute value. If it is longer than 2048 bytes, the inter

[Hartmut Kuhse <hartmutkuhse src gnome org>]

commit e01e826c99d046e11726db57112fb73869e54e66
Author: Hartmut Kuhse <hk_priv gmx de>
Date:   Thu Mar 31 17:57:02 2016 +0200

    libgimpbase: check for length of unusual attribute value.
    If it is longer than 2048 bytes, the interpreted_value
    is set to the length of value.
    Those very long values may exist in some makernotes,
    as in Exif.Pentax or Exif.PentaxDNG

 libgimpbase/gimpattributes.c |   19 ++++++++++++++++---
 1 files changed, 16 insertions(+), 3 deletions(-)
---
diff --git a/libgimpbase/gimpattributes.c b/libgimpbase/gimpattributes.c
index 2aa2ee4..5329391 100644
--- a/libgimpbase/gimpattributes.c
+++ b/libgimpbase/gimpattributes.c
@@ -760,15 +760,29 @@ gimp_attributes_from_metadata (GimpAttributes *attributes, GimpMetadata *metadat
 
           interpreted = g_strcmp0 (value, interpreted_value);
 
+          if (!interpreted)
+            {
+              gint length;
+
+              length = strlen (interpreted_value);
+              if (length > 2048)
+                {
+                  g_free (interpreted_value);
+                  interpreted_value = g_strdup_printf ("(Size of value: %d)", length);
+                  interpreted = TRUE;
+                }
+            }
+
           attribute = gimp_attribute_new_string (exif_data[i], value, attrib_type);
           if (gimp_attribute_is_valid (attribute))
             {
               if (no_interpreted)
                 {
                   if (interpreted)
-                    gimp_attribute_set_interpreted_string (attribute, interpreted_value);
+                    {
+                      gimp_attribute_set_interpreted_string (attribute, interpreted_value);
+                    }
                 }
-
               gimp_attributes_add_attribute (new_attributes, attribute);
             }
           else
@@ -853,7 +867,6 @@ gimp_attributes_from_metadata (GimpAttributes *attributes, GimpMetadata *metadat
 
       g_strfreev (iptc_data);
     }
-
   return new_attributes;
 }