bugfix: show the right filesize after a live capture finished

svn path=/trunk/; revision=14118

capture.c

@@ -308,7 +308,10 @@ capture_input_closed(capture_options *capture_opts)
     }
 
     if(capture_opts->real_time_mode) {
-        /* first of all, we are not doing a capture any more */
+        /* first of all, update the file length field */
+        cf_update_f_len(capture_opts->cf);
+
+        /* we are not doing a capture any more */
         cf_callback_invoke(cf_cb_live_capture_update_finished, capture_opts->cf);
 
         /* Read what remains of the capture file, and finish the capture.

file.c

@@ -625,6 +625,20 @@ cf_finish_tail(capture_file *cf, int *err)
 }
 #endif /* HAVE_LIBPCAP */
 
+
+/* update the f_len field */
+cf_update_f_len(capture_file *cf) {
+  int         fd;
+  struct stat cf_stat;
+
+
+  fd = wtap_fd(cf->wth);
+  if (fstat(fd, &cf_stat) >= 0) {
+      cf->f_len = cf_stat.st_size;
+  }
+}
+
+
 const gchar *
 cf_get_display_name(capture_file *cf)
 {