From 61fd72695f291a7a083cdc8ba96bda971c19eb53 Mon Sep 17 00:00:00 2001
From: "Wladimir J. van der Laan" <laanwj@gmail.com>
Date: Thu, 4 Oct 2012 07:47:10 +0200
Subject: When datadir missing, show messagebox instead of printing error to
 stderr

---
 src/qt/bitcoin.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index ad145fdf9d..cd1764a53f 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -132,7 +132,10 @@ int main(int argc, char *argv[])
     // ... then bitcoin.conf:
     if (!boost::filesystem::is_directory(GetDataDir(false)))
     {
-        fprintf(stderr, "Error: Specified directory does not exist\n");
+        // This message can not be translated, as translation is not initialized yet
+        // (which not yet possible because lang=XX can be overridden in bitcoin.conf in the data directory)
+        QMessageBox::critical(0, "Bitcoin",
+                              QString("Error: Specified data directory \"%1\" does not exist.").arg(QString::fromStdString(mapArgs["-datadir"])));
         return 1;
     }
     ReadConfigFile(mapArgs, mapMultiArgs);
-- 
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