From 1582a040855cc29e83179f3ce1cd3058a2bc7b0e Mon Sep 17 00:00:00 2001
From: Harald Fernengel <harryf@gmx.com>
Date: Sat, 25 Mar 2023 12:48:39 +0100
Subject: [PATCH] Exit from interactive mode if input stream is bad

Allow exiting the interactive prompt also with CTRL-D on Unix and CTRL-Z
on Windows.
---
 examples/main/main.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/examples/main/main.cpp b/examples/main/main.cpp
index 9af8a74056c87..e9478d5413f27 100644
--- a/examples/main/main.cpp
+++ b/examples/main/main.cpp
@@ -450,7 +450,10 @@ int main(int argc, char ** argv) {
                 std::string line;
                 bool another_line = true;
                 do {
-                    std::getline(std::cin, line);
+                    if (!std::getline(std::cin, line)) {
+                        // input stream is bad or EOF received
+                        return 0;
+                    }
                     if (line.empty() || line.back() != '\\') {
                         another_line = false;
                     } else {