From 1e3548b039bd6b760ca3fe716c98065735110f58 Mon Sep 17 00:00:00 2001
From: Bobby Bingham <koorogi@koorogi.info>
Date: Sun, 26 Oct 2014 22:51:31 -0500
Subject: Fix buffer distribution step

If there are no sorted elements to distribute the buffer into, we're done.
---
 common.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common.h b/common.h
index 48f3d0c..4eb5d9c 100644
--- a/common.h
+++ b/common.h
@@ -46,7 +46,7 @@ static void rotate(char *base, size_t size, size_t shift)
 
 static void distribute_buffer(char *base, size_t bufnmel, size_t sortnmel, size_t width, cmpfun cmp)
 {
-	while (bufnmel) {
+	while (bufnmel && sortnmel) {
 		char  *sorted    = base + bufnmel * width;
 		size_t insertpos = binary_search(base, sorted, sortnmel, width, cmp);
 		if (insertpos > 0) {
-- 
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