From f9d0ac00aa93947b35f10a6d62772496a6fc00d3 Mon Sep 17 00:00:00 2001
From: Celine Mercier <celine.mercier@metabarcoding.org>
Date: Fri, 13 Oct 2017 18:55:30 +0200
Subject: [PATCH] ALignment: fixed a bug where a similarity threshold of 100%
 would generate memory bugs

---
 liblcs/sse_banded_LCS_alignment.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/liblcs/sse_banded_LCS_alignment.c b/liblcs/sse_banded_LCS_alignment.c
index 425c6f7..c254aea 100644
--- a/liblcs/sse_banded_LCS_alignment.c
+++ b/liblcs/sse_banded_LCS_alignment.c
@@ -458,6 +458,9 @@ int calculateSizeToAllocate(int maxLen, int minLen, int LCSmin)
 
 	calculateBandLengths(maxLen, minLen, &notUsed, &size, LCSmin);		// max size = max left band length * 2
 
+	if (!size)	// Happens if there is no threshold (threshold is 100% similarity) and generates bugs if left to 0
+		size = 1;
+
 	//fprintf(stderr, "\nsize for address before %8 = %d", size);
 
 	size*= 2;