Mesa (master): util: Add macro to get number of elements in dynarray

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Module: Mesa
Branch: master
Commit: b29ec31854ca110ffcf9e1fd30c4d6f8321d3059
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b29ec31854ca110ffcf9e1fd30c4d6f8321d3059

Author: Caio Marcelo de Oliveira Filho <caio.oliveira at intel.com>
Date:   Wed Sep 12 15:21:20 2018 -0700

util: Add macro to get number of elements in dynarray

Reviewed-by: Christian Gmeiner <christian.gmeiner at gmail.com>

---

 src/util/u_dynarray.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/util/u_dynarray.h b/src/util/u_dynarray.h
index 6bea481d44..512c0efc76 100644
--- a/src/util/u_dynarray.h
+++ b/src/util/u_dynarray.h
@@ -149,6 +149,7 @@ util_dynarray_trim(struct util_dynarray *buf)
 #define util_dynarray_element(buf, type, idx) ((type*)(buf)->data + (idx))
 #define util_dynarray_begin(buf) ((buf)->data)
 #define util_dynarray_end(buf) ((void*)util_dynarray_element((buf), char, (buf)->size))
+#define util_dynarray_num_elements(buf, type) ((buf)->size / sizeof(type))
 
 #define util_dynarray_foreach(buf, type, elem) \
    for (type *elem = (type *)(buf)->data; \