From 1612a1d4898eb65a14130265265cabe566b4ecbf Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Tue, 18 Feb 2020 10:47:23 +0100
Subject: [PATCH] echo: Use pledge()

---
 Userland/echo.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Userland/echo.cpp b/Userland/echo.cpp
index 8a5c9f01d5..ba35732508 100644
--- a/Userland/echo.cpp
+++ b/Userland/echo.cpp
@@ -25,9 +25,15 @@
  */
 
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
+    if (pledge("stdio", nullptr) < 0) {
+        perror("pledge");
+        return 1;
+    }
+
     for (int i = 1; i < argc; ++i) {
         fputs(argv[i], stdout);
         if (i != argc - 1)