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[code-utils] adding helper macro OT_ARRAY_LENGTH() (#2743)

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This commit adds helper macro `OT_ARRAY_LENGTH()` to get the number
of elements in an array.
This commit is contained in:
Abtin Keshavarzian
2018-05-29 15:53:53 -07:00
committed by Jonathan Hui
parent ae7984d3a7
commit 2abd7a2822
16 changed files with 61 additions and 61 deletions
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tests/unit/test_mac_frame.cpp
+2 -1
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@@ -28,6 +28,7 @@
#include <openthread/openthread.h>
#include "common/code_utils.hpp"
#include "common/debug.hpp"
#include "mac/mac.hpp"
#include "mac/mac_frame.hpp"
@@ -68,7 +69,7 @@ void TestMacHeader(void)
Mac::Frame::kSecMic32 | Mac::Frame::kKeyIdMode2, 19},
};
for (unsigned i = 0; i < sizeof(tests) / sizeof(tests[0]); i++)
for (unsigned i = 0; i < OT_ARRAY_LENGTH(tests); i++)
{
uint8_t psdu[Mac::Frame::kMTU];
Mac::Frame frame;