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. */
10 /* Compare type descriptors for equality. This is necessary because
11 types may have different descriptors in different shared libraries.
12 Also, unnamed types may have multiple type descriptors even in a
13 single shared library. */
16 __go_type_descriptors_equal (const struct __go_type_descriptor *td1,
17 const struct __go_type_descriptor *td2)
21 /* In a type switch we can get a NULL descriptor. */
22 if (td1 == NULL || td2 == NULL)
24 if (td1->__code != td2->__code || td1->__hash != td2->__hash)
26 if (td1->__uncommon != NULL && td1->__uncommon->__name != NULL)
28 if (td2->__uncommon == NULL || td2->__uncommon->__name == NULL)
30 return (__go_ptr_strings_equal (td1->__uncommon->__name,
31 td2->__uncommon->__name)
32 && __go_ptr_strings_equal (td1->__uncommon->__pkg_path,
33 td2->__uncommon->__pkg_path));
35 if (td2->__uncommon != NULL && td2->__uncommon->__name != NULL)
37 return __go_ptr_strings_equal (td1->__reflection, td2->__reflection);