From df4fdf33c435317ab84ecc0fbd4580760991765a Mon Sep 17 00:00:00 2001
From: liljencrantz <liljencrantz@gmail.com>
Date: Wed, 26 Sep 2007 02:19:59 +1000
Subject: [PATCH] Make escaping of the empty string return two quotes instead
 of the empty string

darcs-hash:20070925161959-75c98-1a0409c5fd12c7570e54cbdd9201548c7405196b.gz
---
 common.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/common.c b/common.c
index b9b4e9139..7a0504751 100644
--- a/common.c
+++ b/common.c
@@ -739,6 +739,15 @@ wchar_t *escape( const wchar_t *in_orig,
 		debug( 0, L"%s called with null input", __func__ );
 		FATAL_EXIT();
 	}
+
+	if( wcslen( in ) == 0 )
+	{
+		out = wcsdup(L"''");
+		if( !out )
+			DIE_MEM();
+		return out;
+	}
+	
 	
 	out = malloc( sizeof(wchar_t)*(wcslen(in)*4 + 1));
 	pos = out;