Move NUM_BYTES macro to core library
It's universally useful so it make sense to have it in the shared core:
* move macro from libosmocoding to libosmocore
* add OSMO_ prefix
* add doxygen docs
Change-Id: I5386ba3e1f1cc153ba96c29dc71c9075a052aa02
diff --git a/include/osmocom/core/utils.h b/include/osmocom/core/utils.h
index 63a73ab..1d1ebd8 100644
--- a/include/osmocom/core/utils.h
+++ b/include/osmocom/core/utils.h
@@ -19,6 +19,8 @@
#define OSMO_STRINGIFY(x) #x
/*! \brief Make a value_string entry from an enum value name */
#define OSMO_VALUE_STRING(x) { x, #x }
+/*! \brief Number of bytes necessary to store given BITS */
+#define OSMO_BYTES_FOR_BITS(BITS) ((BITS + 8 - 1) / 8)
#include <stdint.h>
#include <stdio.h>