Improve comment for tok2str() in util-print.c

diff --git a/util-print.c b/util-print.c
index cb71d06cca2939f5582e73f959c4261a0fdd4af7..394e7d5981ca576faf40b54551c0fd73be0d1e6f 100644 (file)
--- a/util-print.c
+++ b/util-print.c
@@ -498,6 +498,8 @@ tok2strbuf(register const struct tok *lp, register const char *fmt,
 
 /*
  * Convert a token value to a string; use "fmt" if not found.
+ * Uses tok2strbuf() on one of four local static buffers of size TOKBUFSIZE
+ * in round-robin fashion.
  */
 const char *
 tok2str(register const struct tok *lp, register const char *fmt,