1 files changed, 3 insertions, 0 deletions
diff --git a/ccache.h b/ccache.h
index f0839b3d..9194f233 100644
--- a/ccache.h
+++ b/ccache.h
@@ -75,6 +75,9 @@ enum stats {
 	(strlen(s) >= strlen(suffix) \
 	 && str_eq((s) + strlen(s) - strlen(suffix), (suffix)))
 
+/* buffer size for IO operations */
+#define READ_BUF_SZ (1<<18)
+
 // ----------------------------------------------------------------------------
 // args.c