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// Copyright (C) 2019-2023 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
// +build gc
#include "_cgo_export.h"
#include <string.h>
extern void crosscall2(void (*fn)(void *, int), void *, int);
extern void _cgo_panic(void *, int);
void * __memcpy_chk (void *dstpp, const void *srcpp, size_t len, size_t dstlen)
{
if (dstlen < len) {
struct { const char *p; } a;
a.p = "panic from __memcpy_chk";
crosscall2(_cgo_panic, &a, sizeof a);
}
return memcpy (dstpp, srcpp, len);
}
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