From cbb0fcf8817b44649ea563578401706722c00630 Mon Sep 17 00:00:00 2001
From: psychon <psychon@726aef4b-f618-498e-8847-2d620e286838>
Date: Sun, 10 Feb 2008 16:46:28 +0000
Subject: [PATCH] Only read from stdin if stdin is a TTY

This fixes an endless loop on rehash.


git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@952 726aef4b-f618-498e-8847-2d620e286838
---
 znc.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/znc.cpp b/znc.cpp
index 491452f0..3187813a 100644
--- a/znc.cpp
+++ b/znc.cpp
@@ -1275,8 +1275,9 @@ bool CZNC::DoRehash(CString& sError)
 						sError = "Unable to locate pem file: [" + sPemFile + "]";
 						CUtils::PrintStatus(false, sError);
 
-#warning what if we closed stdin already?
-						if (CUtils::GetBoolInput("Would you like to create a new pem file?", true)) {
+						// If stdin is e.g. /dev/null and we call GetBoolInput(),
+						// we are stuck in an endless loop!
+						if (isatty(0) && CUtils::GetBoolInput("Would you like to create a new pem file?", true)) {
 							sError.clear();
 							WritePemFile();
 						} else {