| /* go-typedesc-equal.c -- return whether two type descriptors are equal. |
| |
| Copyright 2009 The Go Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style |
| license that can be found in the LICENSE file. */ |
| |
| #include "runtime.h" |
| #include "go-string.h" |
| #include "go-type.h" |
| |
| /* Compare type descriptors for equality. This is necessary because |
| types may have different descriptors in different shared libraries. |
| Also, unnamed types may have multiple type descriptors even in a |
| single shared library. */ |
| |
| _Bool |
| __go_type_descriptors_equal (const struct __go_type_descriptor *td1, |
| const struct __go_type_descriptor *td2) |
| { |
| if (td1 == td2) |
| return 1; |
| /* In a type switch we can get a NULL descriptor. */ |
| if (td1 == NULL || td2 == NULL) |
| return 0; |
| if (td1->__code != td2->__code || td1->__hash != td2->__hash) |
| return 0; |
| return __go_ptr_strings_equal (td1->__reflection, td2->__reflection); |
| } |
