f2fs-tools: add c++ for UNUSED

This can avoid build failure for f2fscrypt.

Change-Id: I33eddc62eea486dc219c25d089112e011864dd4f
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>

diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index a730688..8d1490c 100644 (file)
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -52,6 +52,8 @@
 # define UNUSED(x) UNUSED_ ## x __attribute__((unused))
 #elif defined(__LCLINT__)
 # define UNUSED(x) x
+#elif defined(__cplusplus)
+# define UNUSED(x)
 #else
 # define UNUSED(x) x
 #endif

diff --git a/tools/f2fs_io/f2fs_io.h b/tools/f2fs_io/f2fs_io.h
index 6b619bd..95fd5be 100644 (file)
--- a/tools/f2fs_io/f2fs_io.h
+++ b/tools/f2fs_io/f2fs_io.h
@@ -17,6 +17,8 @@
 # define UNUSED(x) UNUSED_ ## x __attribute__((unused))
 #elif defined(__LCLINT__)
 # define UNUSED(x) x
+#elif defined(__cplusplus)
+# define UNUSED(x)
 #else
 # define UNUSED(x) x
 #endif