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Refine UNUSED macro to avoid any side effect

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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I35d858fc6fb2e0e24b993ab7dd2203c9dd35232a
This commit is contained in:
Xiang Xiao
2021-03-29 14:08:03 +08:00
parent 64cc68b588
commit d7adcfd2b9
1 changed files with 7 additions and 7 deletions
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include/nuttx/compiler.h
+7 -7
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@@ -49,7 +49,7 @@
/* Indicate that a local variable is not used */
# define UNUSED(a) ((void)(a))
# define UNUSED(a) ((void)(1 || (a)))
/* Built-in functions */
@@ -290,7 +290,7 @@
/* Indicate that a local variable is not used */
# define UNUSED(a) ((void)(a))
# define UNUSED(a) ((void)(1 || (a)))
/* SDCC-specific definitions ************************************************/
@@ -381,7 +381,7 @@
/* Indicate that a local variable is not used */
# define UNUSED(a) ((void)(a))
# define UNUSED(a) ((void)(1 || (a)))
/* It is assumed that the system is build using the small
* data model with storage defaulting to internal RAM.
@@ -434,7 +434,7 @@
/* Indicate that a local variable is not used */
# define UNUSED(a) ((void)(a))
# define UNUSED(a) ((void)(1 || (a)))
/* Zilog-specific definitions ***********************************************/
@@ -563,7 +563,7 @@
/* Indicate that a local variable is not used */
# define UNUSED(a) ((void)(a))
# define UNUSED(a) ((void)(1 || (a)))
/* ICCARM-specific definitions **********************************************/
@@ -575,7 +575,7 @@
/* Indicate that a local variable is not used */
# define UNUSED(a) ((void)(a))
# define UNUSED(a) ((void)(1 || (a)))
# define weak_alias(name, aliasname)
# define weak_data __weak
@@ -667,7 +667,7 @@
# undef CONFIG_HAVE_ANONYMOUS_STRUCT
# undef CONFIG_HAVE_ANONYMOUS_UNION
# define UNUSED(a) ((void)(a))
# define UNUSED(a) ((void)(1 || (a)))
#endif