[pypy-svn] pypy default: Add _annenforceargs_.

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r42685:e5852ab46bbb
Date: 2011-03-15 16:53 -0400
http://bitbucket.org/pypy/pypy/changeset/e5852ab46bbb/

Log:	Add _annenforceargs_.

diff --git a/pypy/rpython/lltypesystem/rffi.py b/pypy/rpython/lltypesystem/rffi.py
--- a/pypy/rpython/lltypesystem/rffi.py
+++ b/pypy/rpython/lltypesystem/rffi.py
@@ -648,6 +648,7 @@
             data_start = cast_ptr_to_adr(llstrtype(data)) + \
                 offsetof(STRTYPE, 'chars') + itemoffsetof(STRTYPE.chars, 0)
             return cast(TYPEP, data_start)
+    get_nonmovingbuffer._annenforceargs_ = [strtype]
 
     # (str, char*) -> None
     def free_nonmovingbuffer(data, buf):
@@ -666,6 +667,7 @@
         keepalive_until_here(data)
         if not followed_2nd_path:
             lltype.free(buf, flavor='raw')
+    free_nonmovingbuffer._annenforceargs_ = [strtype, None]
 
     # int -> (char*, str)
     def alloc_buffer(count):