X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8fbe65e96de24d94a071a351899048a6010b8a4c..168e7d95ea228dcda8b676506fc1c4932d0f12e0:/src/unix/sound.cpp

diff --git a/src/unix/sound.cpp b/src/unix/sound.cpp
index 8ef528b489..9c2d86294b 100644
--- a/src/unix/sound.cpp
+++ b/src/unix/sound.cpp
@@ -465,9 +465,13 @@ bool wxSound::Create(const wxString& fileName, bool isResource)
         return false;
     }
 
-    wxFileOffset len = fileWave.Length();
+    wxFileOffset lenOrig = fileWave.Length();
+    if ( lenOrig == wxInvalidOffset )
+        return false;
+
+    size_t len = wx_truncate_cast(size_t, lenOrig);
     wxUint8 *data = new wxUint8[len];
-    if (fileWave.Read(data, len) != len)
+    if ( fileWave.Read(data, len) != lenOrig )
     {
         wxLogError(_("Couldn't load sound data from '%s'."), fileName.c_str());
         return false;