[json-glib] Handle invalid path : missing member name after .

[Emmanuele Bassi <ebassi src gnome org>]

commit b5570400cbd95f46373dfce2877c6599802bec21
Author: bi <bisnard antidot net>
Date:   Wed May 15 16:06:48 2013 +0200

    Handle invalid path : missing member name after .
    
    Signed-off-by: Emmanuele Bassi <ebassi gnome org>

 json-glib/json-path.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/json-glib/json-path.c b/json-glib/json-path.c
index 014abeb..6199f51 100644
--- a/json-glib/json-path.c
+++ b/json-glib/json-path.c
@@ -480,6 +480,14 @@ json_path_compile (JsonPath    *path,
                 while (!(*end_p == '.' || *end_p == '[' || *end_p == '\0'))
                   end_p += 1;
 
+                if (end_p == p + 1)
+                  {
+                    g_set_error_literal (error, JSON_PATH_ERROR,
+                                         JSON_PATH_ERROR_INVALID_QUERY,
+                                         _("Missing member name or wildcard after . character"));
+                    goto fail;
+                  }
+
                 node = g_new0 (PathNode, 1);
                 node->node_type = JSON_PATH_NODE_CHILD_MEMBER;
                 node->data.member_name = g_strndup (p + 1, end_p - p - 1);