From 14c30e2b8433d935178bbdb25a4749017d4cf4a4 Mon Sep 17 00:00:00 2001
From: Abdelrazak Younes <younes@lyx.org>
Date: Sat, 2 Sep 2006 08:01:50 +0000
Subject: [PATCH] iconv_convert(): return empty vector in case of empty input

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@14866 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/support/unicode.C | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/support/unicode.C b/src/support/unicode.C
index aaee7fc8e1..9fbd818ee6 100644
--- a/src/support/unicode.C
+++ b/src/support/unicode.C
@@ -31,6 +31,9 @@ std::vector<char>
 iconv_convert(std::string const & tocode, std::string const & fromcode,
 	      std::vector<char> const & buf)
 {
+	if (buf.empty())
+		return std::vector<char>();
+
 	iconv_t cd = iconv_open(tocode.c_str(), fromcode.c_str());
 	if (cd == (iconv_t)(-1)) {
 		lyxerr << "Error returned from iconv_open" << endl;
-- 
2.39.5