X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fdarray%2Fdarray.h;h=fca20b8ad635055f98199afb70f772f1925ff4e5;hp=75112419dff4a4f11862cb60559b420a86cd7263;hb=f3f93e28cab1183cd8a23d0b7ef97dbdbde681a2;hpb=e6abb93d50ba9f1e90163d7db53be70b8ef81a96

diff --git a/ccan/darray/darray.h b/ccan/darray/darray.h
index 75112419..fca20b8a 100644
--- a/ccan/darray/darray.h
+++ b/ccan/darray/darray.h
@@ -56,6 +56,7 @@
  *
  *     void   darray_append(darray(T) arr, T item);
  *     void   darray_prepend(darray(T) arr, T item);
+ *     void   darray_insert(darray(T) arr, size_t index, T item);
  *     void   darray_push(darray(T) arr, T item); // same as darray_append
  *
  * Insertion (multiple items):
@@ -169,6 +170,12 @@ typedef darray(unsigned long)  darray_ulong;
 		memmove((arr).item+1, (arr).item, ((arr).size-1)*sizeof(*(arr).item)); \
 		(arr).item[0] = (__VA_ARGS__); \
 	} while(0)
+#define darray_insert(arr, index, ...) do { \
+		size_t __index = index; \
+		darray_resize(arr, (arr).size+1); \
+		memmove((arr).item+__index+1, (arr).item+__index, ((arr).size-__index-1)*sizeof(*(arr).item)); \
+		(arr).item[__index] = (__VA_ARGS__); \
+	} while(0)
 #define darray_push(arr, ...) darray_append(arr, __VA_ARGS__)