From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Thu, 11 Sep 2003 20:27:39 +0000 (+0000)
Subject: fix for C99-compatible vsnprintf()
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/caff62f22d16af7350d86151929dae99ebb36182?ds=inline

fix for C99-compatible vsnprintf()


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@23531 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/src/common/string.cpp b/src/common/string.cpp
index 8415f0c3f3..503ff915c9 100644
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -1685,7 +1685,10 @@ int wxString::PrintfV(const wxChar* pszFormat, va_list argptr)
             buf[size] = _T('\0');
         }
 
-        if ( len >= 0 )
+        // vsnprintf() may return either -1 (traditional Unix behaviour) or the
+        // total number of characters which would have been written if the
+        // buffer were large enough
+        if ( len >= 0 && len <= size )
         {
             // ok, there was enough space
             break;