| 1 | //===-- Implementation of mempcpy ----------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "src/string/mempcpy.h" |
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| 10 | #include "src/__support/macros/config.h" |
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| 11 | #include "src/__support/macros/null_check.h" |
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| 12 | #include "src/string/memory_utils/inline_memcpy.h" |
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| 13 | |
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| 14 | #include "src/__support/common.h" |
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| 15 | #include <stddef.h> // For size_t. |
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| 16 | |
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| 17 | namespace LIBC_NAMESPACE_DECL { |
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| 18 | |
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| 19 | LLVM_LIBC_FUNCTION(void *, mempcpy, |
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| 20 | (void *__restrict dst, const void *__restrict src, |
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| 21 | size_t count)) { |
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| 22 | if (count) { |
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| 23 | LIBC_CRASH_ON_NULLPTR(dst); |
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| 24 | LIBC_CRASH_ON_NULLPTR(src); |
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| 25 | } |
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| 26 | inline_memcpy(dst, src, count); |
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| 27 | return reinterpret_cast<char *>(dst) + count; |
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| 28 | } |
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| 29 | |
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| 30 | } // namespace LIBC_NAMESPACE_DECL |
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| 31 | |
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