Merge pull request libffi#202 from tromey/note-prep-cif-var-usage

document that there must be ntotalargs types
atgreen · Oct 11, 2015 · e9de7e3 · e9de7e3
2 parents d19b6cc + 0ebde2d
commit e9de7e3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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.