add #ifndef UNUSED

Signed-off-by: N zhumingxian <zhumingxian@ohos.com.cn>

add #ifndef UNUSED
Signed-off-by: N zhumingxian <zhumingxian@ohos.com.cn>
a9a7cdc8 · zhumingxian · 3137109c · a9a7cdc8
隐藏空白更改
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services/param/include/param_utils.h services/param/include/param_utils.h +2 -0

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--- a/services/param/include/param_utils.h
+++ b/services/param/include/param_utils.h
@@ -45,7 +45,9 @@ typedef struct cmdLineInfo {

 #define FILENAME_LEN_MAX 255
 #define MS_UNIT 1000
+#ifndef UNUSED
 #define UNUSED(x) (void)(x)
+#endif
 #define PARAM_ALIGN(len) (((len) + 0x03) & (~0x03))
 #define PARAM_ENTRY(ptr, type, member) (type *)((char *)(ptr)-offsetof(type, member))