diff options
Diffstat (limited to 'pango/pango-attributes.c')
| -rw-r--r-- | pango/pango-attributes.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/pango/pango-attributes.c b/pango/pango-attributes.c index a9a4c26a..1b864678 100644 --- a/pango/pango-attributes.c +++ b/pango/pango-attributes.c @@ -1060,7 +1060,7 @@ pango_attr_list_new (void) /** * pango_attr_list_ref: - * @list: a #PangoAttrList + * @list: a #PangoAttrList, may be %NULL * * Increase the reference count of the given attribute list by one. * @@ -1071,7 +1071,8 @@ pango_attr_list_new (void) PangoAttrList * pango_attr_list_ref (PangoAttrList *list) { - g_return_val_if_fail (list != NULL, NULL); + if (list == NULL) + return NULL; list->ref_count++; @@ -1080,7 +1081,7 @@ pango_attr_list_ref (PangoAttrList *list) /** * pango_attr_list_unref: - * @list: a #PangoAttrList + * @list: a #PangoAttrList, may be %NULL * * Decrease the reference count of the given attribute list by one. * If the result is zero, free the attribute list and the attributes @@ -1091,7 +1092,9 @@ pango_attr_list_unref (PangoAttrList *list) { GSList *tmp_list; - g_return_if_fail (list != NULL); + if (list == NULL) + return; + g_return_if_fail (list->ref_count > 0); list->ref_count--; @@ -1114,13 +1117,14 @@ pango_attr_list_unref (PangoAttrList *list) /** * pango_attr_list_copy: - * @list: a #PangoAttrList + * @list: a #PangoAttrList, may be %NULL * * Copy @list and return an identical new list. * * Return value: the newly allocated #PangoAttrList, with a * reference count of one, which should * be freed with pango_attr_list_unref(). + * Returns %NULL if @list was %NULL. **/ PangoAttrList * pango_attr_list_copy (PangoAttrList *list) @@ -1129,7 +1133,8 @@ pango_attr_list_copy (PangoAttrList *list) GSList *iter; GSList *new_attrs; - g_return_val_if_fail (list != NULL, NULL); + if (list == NULL) + return NULL; new = pango_attr_list_new (); |