abuf: Add a helper for initing and allocating a buffer

This construct appears in various places. Reduce code size by adding a
function for it.

It inits the abuf, then allocates it to the requested size.

Signed-off-by: Simon Glass <[email protected]>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/abuf.h b/include/abuf.h
index 62ff6499a0c..749bb188b0c 100644
--- a/include/abuf.h
+++ b/include/abuf.h
@@ -171,6 +171,17 @@ void abuf_init_set(struct abuf *abuf, void *data, size_t size);
 void abuf_init_const(struct abuf *abuf, const void *data, size_t size);
 
 /**
+ * abuf_init_size() - Set up an allocated abuf
+ *
+ * Init a new abuf and allocate its size.
+ *
+ * @abuf: abuf to set up
+ * @data: New contents of abuf
+ * @size: New size of abuf
+ */
+bool abuf_init_size(struct abuf *buf, size_t size);
+
+/**
  * abuf_uninit() - Free any memory used by an abuf
  *
  * The buffer must be inited before this can be called.