diff options
Diffstat (limited to 'struct.c')
-rw-r--r-- | struct.c | 25 |
1 files changed, 17 insertions, 8 deletions
@@ -802,20 +802,16 @@ rb_struct_equal(VALUE s, VALUE s2) return Qtrue; } -/* - * call-seq: - * struct.hash => fixnum - * - * Return a hash value based on this struct's contents. - */ - static VALUE -rb_struct_hash(VALUE s) +recursive_hash(VALUE s, VALUE dummy, int recur) { long i; unsigned long h; VALUE n; + if (recur) { + rb_raise(rb_eArgError, "recursive key for hash"); + } h = rb_hash_start(rb_hash(rb_obj_class(s))); for (i = 0; i < RSTRUCT_LEN(s); i++) { n = rb_hash(RSTRUCT_PTR(s)[i]); @@ -826,6 +822,19 @@ rb_struct_hash(VALUE s) } /* + * call-seq: + * struct.hash => fixnum + * + * Return a hash value based on this struct's contents. + */ + +static VALUE +rb_struct_hash(VALUE s) +{ + return rb_exec_recursive(recursive_hash, s, 0); +} + +/* * code-seq: * struct.eql?(other) => true or false * |