degesch: implement /buffer move

1 files changed, 9 insertions, 0 deletions

diff --git a/common.c b/common.c
index fab0205..3d40816 100644
--- a/common.c
+++ b/common.c
@@ -49,6 +49,15 @@
 
 // --- To be moved to liberty --------------------------------------------------
 
+#define LIST_INSERT_WITH_TAIL(head, tail, link, following)                     \
+	BLOCK_START                                                                \
+		if (following)                                                         \
+			LIST_APPEND_WITH_TAIL ((head), (following)->prev, (link));         \
+		else                                                                   \
+			LIST_APPEND_WITH_TAIL ((head), (tail), (link));                    \
+		(link)->next = (following);                                            \
+	BLOCK_END
+
 static void
 split_str (const char *s, char delimiter, struct str_vector *out)
 {