utils: added macro to retrieve the number of elements of an array

2025-03-02 18:09:08 +01:00 · 2025-03-02 18:09:08 +01:00 · 4515bd9e60
parent b16c3c0fd1
commit 4515bd9e60
1 changed files with 8 additions and 0 deletions
--- a/openrtx/include/core/utils.h
+++ b/openrtx/include/core/utils.h
@ -28,6 +28,14 @@
 extern "C" {
 #endif

+/**
+ * Get the number of elements of an array.
+ *
+ * @param x: array.
+ * @return number of elements.
+ */
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
 /**
 * This function allows to obtain the value of a given calibration parameter for
 * frequencies outside the calibration points. It works by searching the two