From 22a9352eeba7ffa83d5b4b86876969bf71b526f5 Mon Sep 17 00:00:00 2001
From: "Peter W. Draper" <p.w.draper@durham.ac.uk>
Date: Mon, 24 Apr 2023 12:19:36 +0100
Subject: [PATCH] Use -c not -s, that is used for a fixed size in master now

---
 swiftmpistepsim.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/swiftmpistepsim.c b/swiftmpistepsim.c
index dc65695..71e3ea2 100644
--- a/swiftmpistepsim.c
+++ b/swiftmpistepsim.c
@@ -447,7 +447,7 @@ int main(int argc, char *argv[]) {
   /* Handle the command-line, we expect a mpiuse data file to read and various
    * options. */
   int opt;
-  while ((opt = getopt(argc, argv, "vfds:")) != -1) {
+  while ((opt = getopt(argc, argv, "vfdc:")) != -1) {
     switch (opt) {
       case 'd':
         datacheck = 1;
@@ -458,7 +458,7 @@ int main(int argc, char *argv[]) {
       case 'v':
         verbose = 1;
         break;
-      case 's':
+      case 'c':
         messagescale = atof(optarg);
         break;
       default:
-- 
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