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27 lines
560 B
C++
27 lines
560 B
C++
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#include <string.h>
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#include <iostream>
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#include <memcpy.h>
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__attribute__((__noinline__)) void memcpy_noinline(void * __restrict dst, const void * __restrict src, size_t size)
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{
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memcpy(dst, src, size);
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}
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int main(int, char **)
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{
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constexpr size_t buf_size = 100;
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char buf[buf_size]{};
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memcpy_noinline(buf, "abc", 3);
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size_t bytes_to_copy = 3;
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while (bytes_to_copy * 2 < buf_size)
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{
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memcpy_noinline(&buf[bytes_to_copy], buf, bytes_to_copy);
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bytes_to_copy *= 2;
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}
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std::cerr << buf << "\n";
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return 0;
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}
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