From cfd92a8f898cab5fac407684c4996ef9d95d3700 Mon Sep 17 00:00:00 2001
From: Jan at TU-Delft <J.W.Thorbecke@tudelft.nl>
Date: Thu, 23 May 2019 09:15:08 +0200
Subject: [PATCH] assert

---
 marchenko/fmute.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/marchenko/fmute.c b/marchenko/fmute.c
index f5c7668..4882a02 100644
--- a/marchenko/fmute.c
+++ b/marchenko/fmute.c
@@ -79,6 +79,7 @@ int main (int argc, char **argv)
 
     if(!getparstring("file_mute", &file_mute)) file_mute=NULL;
     if(!getparstring("file_shot", &file_shot)) file_shot=NULL;
+	assert(file_shot!=NULL);
     if(!getparstring("file_out", &file_out)) file_out=NULL;
     if(!getparint("ntmax", &ntmax)) ntmax = 1024;
     if(!getparint("nxmax", &nxmax)) nxmax = 512;
-- 
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