Fix of prompt problem if ucsim runs in background mode (-r option)

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@189 4a8a32a2-be11-0410-ad9d-d568d2c75423

diff --git a/sim/ucsim/cmd.src/newcmd.cc b/sim/ucsim/cmd.src/newcmd.cc
index 90e4b02827eb84165e31bf4d4a19b893a5f6c83f..6b1001f5d8996658fe5991b2b0c50362dc312414 100644 (file)
--- a/sim/ucsim/cmd.src/newcmd.cc
+++ b/sim/ucsim/cmd.src/newcmd.cc
@@ -652,6 +652,8 @@ cl_console::print_prompt(void)
   if (flags & (CONS_PROMPT|CONS_FROZEN))
     return;
   flags|= CONS_PROMPT;
+  if (!out)
+    return;
   if (sim->arg_avail('P'))
     putc('\0', out);
   else