1 /* go-unsafe-newarray.c -- unsafe.NewArray function for Go.
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 #include "interface.h"
12 /* Implement unsafe.NewArray. */
14 void *NewArray (struct __go_empty_interface type
, int n
)
15 asm ("libgo_unsafe.unsafe.NewArray");
17 /* The dynamic type of the argument will be a pointer to a type
21 NewArray (struct __go_empty_interface type
, int n
)
23 const struct __go_type_descriptor
*descriptor
;
25 if (((uintptr_t) type
.__type_descriptor
& reflectFlags
) != 0)
26 runtime_panicstring ("invalid interface value");
28 /* FIXME: We should check __type_descriptor to verify that this is
29 really a type descriptor. */
30 descriptor
= (const struct __go_type_descriptor
*) type
.__object
;
31 return __go_alloc (descriptor
->__size
* n
);