[yelp] Fix return values in libyelp functions.

[Frédéric Crozat <fcrozat src gnome org>]

commit f00802aa346a0274191d17ea6fca46a74b819a72
Author: Frederic Crozat <fcrozat novell com>
Date:   Tue Feb 22 18:45:08 2011 +0100

    Fix return values in libyelp functions.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=642977

 libyelp/yelp-bookmarks.c        |    2 +-
 libyelp/yelp-docbook-document.c |    3 ++-
 libyelp/yelp-document.c         |   10 +++++-----
 libyelp/yelp-document.h         |    2 +-
 libyelp/yelp-man-document.c     |    3 ++-
 libyelp/yelp-storage.c          |    4 ++--
 libyelp/yelp-view.c             |    1 +
 7 files changed, 14 insertions(+), 11 deletions(-)
---
diff --git a/libyelp/yelp-bookmarks.c b/libyelp/yelp-bookmarks.c
index 670650d..a8aeab1 100644
--- a/libyelp/yelp-bookmarks.c
+++ b/libyelp/yelp-bookmarks.c
@@ -83,7 +83,7 @@ yelp_bookmarks_is_bookmarked (YelpBookmarks *bookmarks,
 {
     YelpBookmarksInterface *iface;
 
-    g_return_if_fail (YELP_IS_BOOKMARKS (bookmarks));
+    g_return_val_if_fail (YELP_IS_BOOKMARKS (bookmarks), FALSE);
 
     iface = YELP_BOOKMARKS_GET_INTERFACE (bookmarks);
 
diff --git a/libyelp/yelp-docbook-document.c b/libyelp/yelp-docbook-document.c
index 0d9b182..2c6b9c1 100644
--- a/libyelp/yelp-docbook-document.c
+++ b/libyelp/yelp-docbook-document.c
@@ -259,7 +259,7 @@ docbook_request_page (YelpDocument         *document,
                                                                                 callback,
                                                                                 user_data);
     if (handled) {
-        return;
+        return handled;
     }
 
     g_mutex_lock (priv->mutex);
@@ -289,6 +289,7 @@ docbook_request_page (YelpDocument         *document,
     }
 
     g_mutex_unlock (priv->mutex);
+    return FALSE;
 }
 
 /******************************************************************************/
diff --git a/libyelp/yelp-document.c b/libyelp/yelp-document.c
index f0ba9f1..e51c1ed 100644
--- a/libyelp/yelp-document.c
+++ b/libyelp/yelp-document.c
@@ -750,7 +750,7 @@ yelp_document_get_page_icon (YelpDocument *document,
     return ret;
 }
 
-gchar *
+void
 yelp_document_set_page_icon (YelpDocument *document,
                              const gchar  *page_id,
                              const gchar  *icon)
@@ -786,8 +786,8 @@ yelp_document_request_page (YelpDocument         *document,
 			    YelpDocumentCallback  callback,
 			    gpointer              user_data)
 {
-    g_return_if_fail (YELP_IS_DOCUMENT (document));
-    g_return_if_fail (YELP_DOCUMENT_GET_CLASS (document)->request_page != NULL);
+    g_return_val_if_fail (YELP_IS_DOCUMENT (document), FALSE);
+    g_return_val_if_fail (YELP_DOCUMENT_GET_CLASS (document)->request_page != NULL, FALSE);
 
     debug_print (DB_FUNCTION, "entering\n");
 
@@ -1056,8 +1056,8 @@ gchar *
 yelp_document_get_mime_type (YelpDocument *document,
 			     const gchar  *page_id)
 {
-    g_return_if_fail (YELP_IS_DOCUMENT (document));
-    g_return_if_fail (YELP_DOCUMENT_GET_CLASS (document)->get_mime_type != NULL);
+    g_return_val_if_fail (YELP_IS_DOCUMENT (document), NULL);
+    g_return_val_if_fail (YELP_DOCUMENT_GET_CLASS (document)->get_mime_type != NULL, NULL);
 
     return YELP_DOCUMENT_GET_CLASS (document)->get_mime_type (document, page_id);
 }
diff --git a/libyelp/yelp-document.h b/libyelp/yelp-document.h
index b79d47b..16fc8aa 100644
--- a/libyelp/yelp-document.h
+++ b/libyelp/yelp-document.h
@@ -148,7 +148,7 @@ void              yelp_document_set_page_desc  (YelpDocument         *document,
 
 gchar *           yelp_document_get_page_icon  (YelpDocument         *document,
                                                 const gchar          *page_id);
-gchar *           yelp_document_set_page_icon  (YelpDocument         *document,
+void              yelp_document_set_page_icon  (YelpDocument         *document,
                                                 const gchar          *page_id,
                                                 const gchar          *icon);
 
diff --git a/libyelp/yelp-man-document.c b/libyelp/yelp-man-document.c
index a49dfba..8d8031b 100644
--- a/libyelp/yelp-man-document.c
+++ b/libyelp/yelp-man-document.c
@@ -255,7 +255,7 @@ man_request_page (YelpDocument         *document,
                                                                             callback,
                                                                             user_data);
     if (handled) {
-        return;
+        return handled;
     }
 
     g_mutex_lock (priv->mutex);
@@ -290,6 +290,7 @@ man_request_page (YelpDocument         *document,
     }
 
     g_mutex_unlock (priv->mutex);
+    return FALSE;
 }
 
 
diff --git a/libyelp/yelp-storage.c b/libyelp/yelp-storage.c
index e901af1..97a1786 100644
--- a/libyelp/yelp-storage.c
+++ b/libyelp/yelp-storage.c
@@ -76,7 +76,7 @@ yelp_storage_search (YelpStorage   *storage,
 {
     YelpStorageInterface *iface;
 
-    g_return_if_fail (YELP_IS_STORAGE (storage));
+    g_return_val_if_fail (YELP_IS_STORAGE (storage), NULL);
 
     iface = YELP_STORAGE_GET_INTERFACE (storage);
 
@@ -92,7 +92,7 @@ yelp_storage_get_root_title (YelpStorage *storage,
 {
     YelpStorageInterface *iface;
 
-    g_return_if_fail (YELP_IS_STORAGE (storage));
+    g_return_val_if_fail (YELP_IS_STORAGE (storage), NULL);
 
     iface = YELP_STORAGE_GET_INTERFACE (storage);
 
diff --git a/libyelp/yelp-view.c b/libyelp/yelp-view.c
index af56af0..92843a3 100644
--- a/libyelp/yelp-view.c
+++ b/libyelp/yelp-view.c
@@ -181,6 +181,7 @@ struct _YelpActionEntry {
     YelpViewActionValidFunc  func;
     gpointer                 data;
 };
+static void
 action_entry_free (YelpActionEntry *entry)
 {
     if (entry == NULL)