LU-6245 libcfs: use libcfs_private.h only for kernel space

[fs/lustre-release.git] / lustre / utils / wiretest.c

diff --git a/lustre/utils/wiretest.c b/lustre/utils/wiretest.c
index e09003f..3f2ee70 100644 (file)
--- a/lustre/utils/wiretest.c
+++ b/lustre/utils/wiretest.c
@@ -39,10 +39,15 @@
 #include <lustre/lustre_lfsck_user.h>
 #include <lustre_disk.h>
 
-#undef LASSERT
-#undef LASSERTF
 #define LASSERT(cond) if (!(cond)) { printf("failed " #cond "\n"); ret = 1; }
 #define LASSERTF(cond, fmt, ...) if (!(cond)) { printf("failed '" #cond "'" fmt, ## __VA_ARGS__);ret = 1;}
+/*
+ * Compile-time LASSERT, which verifies correctness at compile-time rather
+ * than runtime. If "cond" is true, then there are two different cases
+ * ("(non-zero)" and "0"). If "cond" is false, then there are two identical cases
+ * ("0" and "0"), which is an error that causes the compiler to complain.
+ */
+#define CLASSERT(cond) do {switch (1) {case (cond): case 0: break; } } while (0)
 
 int ret;