From 58b565f7699db03f574c09d4982a7eab450db458 Mon Sep 17 00:00:00 2001
From: "Howard M. Harte" <hharte@magicandroidapps.com>
Date: Sat, 1 Apr 2023 07:01:14 -0700
Subject: [PATCH] AltairZ80: Fix warnings in altairz80_hdsk.c.

---
 AltairZ80/altairz80_hdsk.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/AltairZ80/altairz80_hdsk.c b/AltairZ80/altairz80_hdsk.c
index ea0eae57..97cd3722 100644
--- a/AltairZ80/altairz80_hdsk.c
+++ b/AltairZ80/altairz80_hdsk.c
@@ -692,6 +692,9 @@ static t_stat set_format(UNIT *uptr, int32 val, CONST char *cptr, void *desc) {
         sim_printf("Cannot set format for not attached unit %i.\n", find_unit_index(uptr));
         return SCPE_ARG;
     }
+
+    fmtname[DPB_NAME_LENGTH] = '\0';
+
     for (i = 0; dpb[i].capac != 0; i++) {
         if (strncmp(fmtname, dpb[i].name, strlen(fmtname)) == 0) {
             uptr -> HDSK_FORMAT_TYPE = i;