From a71a69a619b16d2354b3109c0929facba39d02b3 Mon Sep 17 00:00:00 2001
From: Dario <dario.rekowski@gmx.de>
Date: Tue, 21 Jul 2020 11:16:21 +0200
Subject: [PATCH] change sorting mnemonic words for print out into
 case-insensitive

---
 src/cpp/Crypto/mnemonic.cpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/cpp/Crypto/mnemonic.cpp b/src/cpp/Crypto/mnemonic.cpp
index 6daff181d..a3b40d77d 100644
--- a/src/cpp/Crypto/mnemonic.cpp
+++ b/src/cpp/Crypto/mnemonic.cpp
@@ -270,6 +270,19 @@ std::string Mnemonic::getCompleteWordList()
 	return result;
 }
 
+// comparison, not case sensitive.
+bool compare_nocase(const std::string& first, const std::string& second)
+{
+	unsigned int i = 0;
+	while ((i < first.length()) && (i < second.length()))
+	{
+		if (tolower(first[i]) < tolower(second[i])) return true;
+		else if (tolower(first[i]) > tolower(second[i])) return false;
+		++i;
+	}
+	return (first.length() < second.length());
+}
+
 std::string Mnemonic::getCompleteWordListSorted()
 {
 	std::shared_lock<std::shared_mutex> _lock(mWorkingMutex);
@@ -284,7 +297,7 @@ std::string Mnemonic::getCompleteWordListSorted()
 			printf("missing word on %d\n", i);
 		}
 	}
-	words.sort();
+	words.sort(compare_nocase);
 
 	//std::string toReplaced[] = { "auml", "ouml", "uuml", "Auml", "Ouml", "Uuml", "szlig" };
 	Poco::RegularExpression toReplaced[] = { "&auml;", "&ouml;", "&uuml;", "&Auml;", "&Ouml;", "&Uuml;", "&szlig;" };