From f198f856c1b8d21c0422b65e1ccfe3baa4cfc481 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Tue, 27 Oct 2020 12:29:42 +0100
Subject: Fix a possibly overrun string

---
 libcrystfel/src/reflist-utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libcrystfel/src/reflist-utils.c b/libcrystfel/src/reflist-utils.c
index 467a3007..aa4ba26b 100644
--- a/libcrystfel/src/reflist-utils.c
+++ b/libcrystfel/src/reflist-utils.c
@@ -673,7 +673,7 @@ void free_contribs(RefList *list)
 static char *full_command_line(int argc, char *argv[])
 {
 	int i;
-	size_t len = 0;
+	size_t len = 1;
 	char *cl;
 
 	if ( argc == 0 ) return strdup("");
-- 
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