1 /* go-typedesc-equal.c -- return whether two type descriptors are equal.
3 Copyright 2009 The Go Authors. All rights reserved.
4 Use of this source code is governed by a BSD-style
5 license that can be found in the LICENSE file. */
11 /* Compare type descriptors for equality. This is necessary because
12 types may have different descriptors in different shared libraries.
13 Also, unnamed types may have multiple type descriptors even in a
14 single shared library. */
17 __go_type_descriptors_equal (const struct __go_type_descriptor *td1,
18 const struct __go_type_descriptor *td2)
22 /* In a type switch we can get a NULL descriptor. */
23 if (td1 == NULL || td2 == NULL)
25 if (td1->__code != td2->__code || td1->__hash != td2->__hash)
27 if (td1->__uncommon != NULL && td1->__uncommon->__name != NULL)
29 if (td2->__uncommon == NULL || td2->__uncommon->__name == NULL)
31 return (__go_ptr_strings_equal (td1->__uncommon->__name,
32 td2->__uncommon->__name)
33 && __go_ptr_strings_equal (td1->__uncommon->__pkg_path,
34 td2->__uncommon->__pkg_path));
36 if (td2->__uncommon != NULL && td2->__uncommon->__name != NULL)
38 return __go_ptr_strings_equal (td1->__reflection, td2->__reflection);