document that there must be ntotalargs types

2015-10-06 11:42:43 -06:00
parent 17ffc3655a
commit 0ebde2d24a
1 changed files with 1 additions and 1 deletions
--- a/doc/libffi.texi
+++ b/doc/libffi.texi
@@ -161,7 +161,7 @@ same as for @code{ffi_prep_cif} except that:
 variadic arguments.  It must be greater than zero.

@var{ntotalargs} the total number of arguments, including variadic
-and fixed arguments.
+and fixed arguments.  @var{argtypes} must have this many elements.

 Note that, different cif's must be prepped for calls to the same
 function when different numbers of arguments are passed.