From 6ffb967233b85d10142c589de4fc3f0738b67225 Mon Sep 17 00:00:00 2001
From: rnordier <rnordier@FreeBSD.org>
Date: Wed, 4 Nov 1998 08:55:34 +0000
Subject: Handle a zero elements argument.

PR:		8566
Submitted by:	Archie Cobbs <archie@whistle.com>
---
 lib/libc/stdlib/merge.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lib/libc')

diff --git a/lib/libc/stdlib/merge.c b/lib/libc/stdlib/merge.c
index a47e300..e188dfe 100644
--- a/lib/libc/stdlib/merge.c
+++ b/lib/libc/stdlib/merge.c
@@ -111,6 +111,9 @@ mergesort(base, nmemb, size, cmp)
 		return (-1);
 	}
 
+	if (nmemb == 0)
+		return (0);
+
 	/*
 	 * XXX
 	 * Stupid subtraction for the Cray.
-- 
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