From 0abf3a803af06eea827bf560d2758a9acd7646c3 Mon Sep 17 00:00:00 2001
From: speedie <speedie@speedie.site>
Date: Wed, 16 Aug 2023 08:10:33 +0200
Subject: [PATCH] Check to make sure we have an input file.

---
 mcopy.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mcopy.cpp b/mcopy.cpp
index 0f0c865..4cb42c0 100644
--- a/mcopy.cpp
+++ b/mcopy.cpp
@@ -152,6 +152,11 @@ int main(int argc, char **argv) {
         exit(1);
     }
 
+    if (argc < 4) {
+        std::cout << "mcopy: You must specify a file to copy.\n";
+        exit(1);
+    }
+
     for (int i{1}; i < ac; i++) {
         std::ifstream f(av[i]);