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/*
*
* Copyright 2016 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <grpc/support/port_platform.h>
#include <string.h>
/* Provide a wrapped memcpy for targets that need to be backwards
* compatible with older libc's.
*
* Enable by setting LDFLAGS=-Wl,-wrap,memcpy when linking.
*/
extern "C" {
#ifdef __linux__
#if defined(__x86_64__) && !defined(GPR_MUSL_LIBC_COMPAT)
__asm__(".symver memcpy,memcpy@GLIBC_2.2.5");
void* __wrap_memcpy(void* destination, const void* source, size_t num) {
return memcpy(destination, source, num);
}
#else /* !__x86_64__ */
void* __wrap_memcpy(void* destination, const void* source, size_t num) {
return memmove(destination, source, num);
}
#endif
#endif
}
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