blind fix for wxGIFDecoder::ReadGIF

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12608 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2001-11-22 23:55:34 +00:00
parent acea2a0bac
commit ef3a5e0aae
1 changed files with 3 additions and 0 deletions
--- a/src/common/gifdecod.cpp
+++ b/src/common/gifdecod.cpp
@@ -653,6 +653,9 @@ int wxGIFDecoder::ReadGIF()
    /* try to read to the end of the stream */
    while (type != 0x3B)
    {
+        if (!m_f->IsOk())
+            return wxGIF_TRUNCATED;
+            
        type = (unsigned char)m_f->GetC();

        if (type == 0x21)