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-rw-r--r--lib/buffer.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/buffer.h b/lib/buffer.h
index cd9bab86..fd40baa0 100644
--- a/lib/buffer.h
+++ b/lib/buffer.h
@@ -50,6 +50,8 @@
#define BUFFER_FLUSH(v) ({ (v).used = 0; })
+#define BUFFER_EMPTY(v) ({ (v).used == 0; })
+
#define BUFFER_WALK(v,n) \
for (BUFFER_TYPE(v) *_n = (v).data, n; _n < ((v).data + (v).used) && (n = *_n, 1); _n++)