[Xfce4-commits] <xfce4-panel:devel> Add macro to test if a list is empty or contains one item.

[Nick Schermer]

Updating branch refs/heads/devel
         to 0fa56e9ec27e352f93e8de370ea8b58a243e3c58 (commit)
       from ee0098f10c35a971089abb17a0830486bb5f77f9 (commit)

commit 0fa56e9ec27e352f93e8de370ea8b58a243e3c58
Author: Nick Schermer <nick at xfce.org>
Date:   Fri Mar 6 23:26:06 2009 +0100

    Add macro to test if a list is empty or contains one item.

 common/panel-private.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/common/panel-private.h b/common/panel-private.h
index 4df473b..465a223 100644
--- a/common/panel-private.h
+++ b/common/panel-private.h
@@ -39,6 +39,7 @@
 
 /* quick GList and GSList counting without traversing */
 #define LIST_HAS_ONE_ENTRY(l)           ((l) != NULL && (l)->next == NULL)
+#define LIST_HAS_ONE_OR_NO_ENTRIES(l)   ((l) == NULL || (l)->next == NULL)
 #define LIST_HAS_TWO_OR_MORE_ENTRIES(l) ((l) != NULL && (l)->next != NULL)
 
 #endif /* !__PANEL_PRIVATE_H__ */
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