[discident-glib] lib: Fail when the response is empty

[Bastien Nocera <hadess src gnome org>]

commit d384aa9b6139786da030b64958f7c33cd56f694c
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Apr 2 15:41:52 2013 +0200

    lib: Fail when the response is empty

 discident-glib/discident-ean-glib.c |   13 ++++++++++---
 1 files changed, 10 insertions(+), 3 deletions(-)
---
diff --git a/discident-glib/discident-ean-glib.c b/discident-glib/discident-ean-glib.c
index b08588f..0cf8e42 100644
--- a/discident-glib/discident-ean-glib.c
+++ b/discident-glib/discident-ean-glib.c
@@ -232,9 +232,9 @@ uncompress (const char *data,
 }
 
 static gboolean
-parse_lookup_response (const char *response,
-                      char        **ret_title,
-                      char        **ret_img_url)
+parse_lookup_response (const char  *response,
+                      char       **ret_title,
+                      char       **ret_img_url)
 {
        xmlDocPtr doc;
        xmlChar *title, *img_url;
@@ -345,10 +345,17 @@ discident_ean_lookup_sync (DiscidentEan *ean,
        }
 
        if (parse_lookup_response (response, title, img_url) == FALSE) {
+               g_free (response);
                g_set_error (error, DISCIDENT_ERROR, DISCIDENT_ERROR_PARSE, "Failed to parse response from 
EAN service");
                return FALSE;
        }
 
+       if (g_strcmp0 (*title, barcode) == 0) {
+               g_free (response);
+               g_set_error (error, DISCIDENT_ERROR, DISCIDENT_ERROR_EMPTY_RESPONSE, "No response for 
requested barcode");
+               return FALSE;
+       }
+
        g_free (response);
 
        return TRUE;