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-rw-r--r--src/config.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/config.h b/src/config.h
index 0822e3c..4a49b75 100644
--- a/src/config.h
+++ b/src/config.h
@@ -155,6 +155,11 @@
# define BFS_FALLTHROUGH ((void)0)
#endif
+/**
+ * Get the length of an array.
+ */
+#define BFS_COUNTOF(array) (sizeof(array) / sizeof(0[array]))
+
// Lower bound on BFS_FLEX_SIZEOF()
#define BFS_FLEX_LB(type, member, length) (offsetof(type, member) + sizeof(((type *)NULL)->member[0]) * (length))