1181254a7Smrg /**
2181254a7Smrg * Implementation of array copy support routines.
3181254a7Smrg *
4181254a7Smrg * Copyright: Copyright Digital Mars 2004 - 2016.
5181254a7Smrg * License: Distributed under the
6181254a7Smrg * $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0).
7181254a7Smrg * Authors: Walter Bright, Sean Kelly
8*b1e83836Smrg * Source: $(DRUNTIMESRC rt/_arraycat.d)
9181254a7Smrg */
10181254a7Smrg
11181254a7Smrg module rt.arraycat;
12181254a7Smrg
13181254a7Smrg private
14181254a7Smrg {
15181254a7Smrg import core.stdc.string;
16*b1e83836Smrg import core.internal.util.array;
17181254a7Smrg debug(PRINTF) import core.stdc.stdio;
18181254a7Smrg }
19181254a7Smrg
20181254a7Smrg extern (C) @trusted nothrow:
21181254a7Smrg
_d_arraycopy(size_t size,void[]from,void[]to)22181254a7Smrg void[] _d_arraycopy(size_t size, void[] from, void[] to)
23181254a7Smrg {
24181254a7Smrg debug(PRINTF) printf("f = %p,%d, t = %p,%d, size = %d\n",
25181254a7Smrg from.ptr, from.length, to.ptr, to.length, size);
26181254a7Smrg
27181254a7Smrg enforceRawArraysConformable("copy", size, from, to);
28181254a7Smrg memcpy(to.ptr, from.ptr, to.length * size);
29181254a7Smrg return to;
30181254a7Smrg }
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