- g_mime_stream_filter_add(GMIME_STREAM_FILTER(stream_filter),
- g_mime_filter_charset_new(charset, "UTF-8"));
- }
+ GMimeFilter *charset_filter;
+ charset_filter = g_mime_filter_charset_new (charset, "UTF-8");
+ /* This result can be NULL for things like "unknown-8bit".
+ * Don't set a NULL filter as that makes GMime print
+ * annoying assertion-failure messages on stderr. */
+ if (charset_filter)
+ g_mime_stream_filter_add (GMIME_STREAM_FILTER (stream_filter),
+ charset_filter);
+ }