X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1ab88038785eb2d6a7f89129a506826bf6887cc6..d6a658ff0cd928953efdaf1ea56ff04b9cf281c1:/src/gtk/animate.cpp?ds=sidebyside

diff --git a/src/gtk/animate.cpp b/src/gtk/animate.cpp
index 02e2886873..1975fcf5d0 100644
--- a/src/gtk/animate.cpp
+++ b/src/gtk/animate.cpp
@@ -116,7 +116,8 @@ bool wxAnimation::Load(wxInputStream &stream, wxAnimationType type)
     else
         loader = gdk_pixbuf_loader_new();
 
-    if (!loader)
+    if (!loader ||
+        error != NULL)  // even if the loader was allocated, an error could have happened
     {
         wxLogDebug(wxT("Could not create the loader for '%s' animation type: %s"),
                    anim_type, error->message);
@@ -131,16 +132,21 @@ bool wxAnimation::Load(wxInputStream &stream, wxAnimationType type)
     while (stream.IsOk())
     {
         // read a chunk of data
-        stream.Read(buf, sizeof(buf));
+        if (!stream.Read(buf, sizeof(buf)) &&
+            stream.GetLastError() != wxSTREAM_EOF)   // EOF is OK for now
+        {
+            // gdk_pixbuf_loader_close wants the GError == NULL
+            gdk_pixbuf_loader_close(loader, NULL);
+            return false;
+        }
 
         // fetch all data into the loader
         if (!gdk_pixbuf_loader_write(loader, buf, stream.LastRead(), &error))
         {
             wxLogDebug(wxT("Could not write to the loader: %s"), error->message);
 
-            // gdk_pixbuf_loader_close wants the GError == NULL; reset it:
-            error = NULL;
-            gdk_pixbuf_loader_close(loader, &error);
+            // gdk_pixbuf_loader_close wants the GError == NULL
+            gdk_pixbuf_loader_close(loader, NULL);
             return false;
         }
 
@@ -153,7 +159,9 @@ bool wxAnimation::Load(wxInputStream &stream, wxAnimationType type)
         return false;
     }
 
-    // load complete
+    // load complete: gdk_pixbuf_loader_close will now check if the data we
+    // wrote inside the pixbuf loader does make sense and will give an error
+    // if it doesn't (because of a truncated file, corrupted data or whatelse)
     if (!gdk_pixbuf_loader_close(loader, &error))
     {
         wxLogDebug(wxT("Could not close the loader: %s"), error->message);
@@ -355,7 +363,7 @@ void wxAnimationCtrl::DisplayStaticImage()
     if (m_bmpStaticReal.IsOk())
     {
         // show inactive bitmap
-        GdkBitmap *mask = (GdkBitmap *) NULL;
+        GdkBitmap *mask = NULL;
         if (m_bmpStaticReal.GetMask())
             mask = m_bmpStaticReal.GetMask()->GetBitmap();