From a67f717f36bb76389a348c8b0d4b823dfc34cb5e Mon Sep 17 00:00:00 2001
From: Erik Schnetter <schnetter@gmail.com>
Date: Fri, 26 Sep 2014 16:16:17 -0400
Subject: [PATCH] Describe arguments to array_resize_buffer

---
 src/array.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/array.c b/src/array.c
index e09798cdf5ee1..4ac3474dc0dd1 100644
--- a/src/array.c
+++ b/src/array.c
@@ -526,6 +526,9 @@ void jl_arrayunset(jl_array_t *a, size_t i)
 #define MALLOC_THRESH 1048576
 
 // allocate buffer of newlen elements, placing old data at given offset (in #elts)
+//     newlen: new length (#elts), including offset
+//     oldlen: old length (#elts), excluding offset
+//     offs: new offset
 static void array_resize_buffer(jl_array_t *a, size_t newlen, size_t oldlen, size_t offs)
 {
     size_t es = a->elsize;