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/* 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 "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;
if (td1->__uncommon != NULL && td1->__uncommon->__name != NULL)
{
if (td2->__uncommon == NULL || td2->__uncommon->__name == NULL)
return 0;
return (__go_ptr_strings_equal (td1->__uncommon->__name,
td2->__uncommon->__name)
&& __go_ptr_strings_equal (td1->__uncommon->__pkg_path,
td2->__uncommon->__pkg_path));
}
if (td2->__uncommon != NULL && td2->__uncommon->__name != NULL)
return 0;
return __go_ptr_strings_equal (td1->__reflection, td2->__reflection);
}
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