Nikolay Sivov : xmllite: Make another read attempt if we don' t have enough data initially.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 88d7b66be2716e8c8374d7a45bd823f7e6430026
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=88d7b66be2716e8c8374d7a45bd823f7e6430026

Author: Nikolay Sivov <nsivov at codeweavers.com>
Date:   Mon Mar 11 08:45:53 2013 +0400

xmllite: Make another read attempt if we don't have enough data initially.

---

 dlls/xmllite/reader.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/dlls/xmllite/reader.c b/dlls/xmllite/reader.c
index 688497c..16734d4 100644
--- a/dlls/xmllite/reader.c
+++ b/dlls/xmllite/reader.c
@@ -610,7 +610,12 @@ static HRESULT readerinput_detectencoding(xmlreaderinput *readerinput, xml_encod
 
     *enc = XmlEncoding_Unknown;
 
-    if (buffer->written <= 3) return MX_E_INPUTEND;
+    if (buffer->written <= 3)
+    {
+        HRESULT hr = readerinput_growraw(readerinput);
+        if (FAILED(hr)) return hr;
+        if (buffer->written <= 3) return MX_E_INPUTEND;
+    }
 
     /* try start symbols if we have enough data to do that, input buffer should contain
        first chunk already */