[gthumb/ext] do not change the time_modified info when saving embedded data

[Paolo Bacchilega <paobac src gnome org>]

commit 9fc91d19b4f4d592460ce2fd87e2e41c3425aa76
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Sep 6 19:16:05 2009 +0200

    do not change the time_modified info when saving embedded data

 extensions/exiv2/gth-metadata-provider-exiv2.c |   17 +++++++++++++++++
 gthumb/gth-string-list.c                       |    5 +++++
 2 files changed, 22 insertions(+), 0 deletions(-)
---
diff --git a/extensions/exiv2/gth-metadata-provider-exiv2.c b/extensions/exiv2/gth-metadata-provider-exiv2.c
index 312da9c..4733951 100644
--- a/extensions/exiv2/gth-metadata-provider-exiv2.c
+++ b/extensions/exiv2/gth-metadata-provider-exiv2.c
@@ -125,6 +125,8 @@ gth_metadata_provider_exiv2_write (GthMetadataProvider *self,
 					    NULL,
 					    &error))
 	{
+		GFileInfo *tmp_info;
+
 		g_write_file (file_data->file,
 			      FALSE,
 			      G_FILE_CREATE_NONE,
@@ -132,6 +134,21 @@ gth_metadata_provider_exiv2_write (GthMetadataProvider *self,
 			      size,
 			      NULL,
 			      &error);
+
+		tmp_info = g_file_info_new ();
+		g_file_info_set_attribute_uint64 (tmp_info,
+						  G_FILE_ATTRIBUTE_TIME_MODIFIED,
+						  g_file_info_get_attribute_uint64 (file_data->info, G_FILE_ATTRIBUTE_TIME_MODIFIED));
+		g_file_info_set_attribute_uint32 (tmp_info,
+						  G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC,
+						  g_file_info_get_attribute_uint32 (file_data->info, G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC));
+		g_file_set_attributes_from_info (file_data->file,
+						 tmp_info,
+						 G_FILE_QUERY_INFO_NONE,
+						 NULL,
+						 NULL);
+
+		g_object_unref (tmp_info);
 	}
 
 	if (buffer != NULL)
diff --git a/gthumb/gth-string-list.c b/gthumb/gth-string-list.c
index 368806c..d17b33d 100644
--- a/gthumb/gth-string-list.c
+++ b/gthumb/gth-string-list.c
@@ -165,6 +165,11 @@ gth_string_list_equal (GthStringList  *list1,
 	GList *keys2;
 	GList *scan;
 
+	if ((list1 == NULL) && (list2 == NULL))
+		return TRUE;
+	if ((list1 == NULL) || (list2 == NULL))
+		return FALSE;
+
 	keys1 = list1->priv->list;
 	keys2 = list2->priv->list;