New macro ARRAY_SIZE()

[empserver] / include / misc.h

diff --git a/include/misc.h b/include/misc.h
index 7b428f091d39f21815f873d538e4497d2878ed48..b580633ae904759de6cc9dc60533a1f9d256655d 100644 (file)
--- a/include/misc.h
+++ b/include/misc.h
@@ -29,7 +29,7 @@
  *
  *  Known contributors to this file:
  *     Doug Hay, 1998
- *     Markus Armbruster, 2004-2014
+ *     Markus Armbruster, 2004-2020
  */
 
 #ifndef MISC_H
@@ -89,6 +89,11 @@ extern void (*oops_handler)(void);
 #define BUILD_ASSERT(cond) \
     ((void)BUILD_ASSERT_ONE(cond))
 
+/*
+ * Number of elements in ARRAY.
+ */
+#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
+
 void exit_nomem(void) ATTRIBUTE((noreturn));
 
        /* return codes from command routines */