[PATCH1/4] fully enable rpctrace to trace multitask programs.

[Da Zheng]

This is the first patch that fix bug #20612.

Zheng Da



2009-07-20  Zheng Da  <zhengda1936@gmail.com>

fix a bug #20612

        * rpctrace.c (print_contents): Check the number of elements in the port 
array.

diff --git a/utils/rpctrace.c b/utils/rpctrace.c
index d80f41d..b7379a7 100644
--- a/utils/rpctrace.c
+++ b/utils/rpctrace.c
@@ -631,7 +631,7 @@ print_contents (mach_msg_header_t *inp,
              else
                type->msgt_name = name;
            }
-         else if (newtypes[0] != name)
+         else if (nelt > 0 && newtypes[0] != name)
            if (type->msgt_longform)
              lt->msgtl_name = newtypes[0];
            else