7b59fcb7de
For example, strcpy does not pull memcpy now. Reviewed By: gchatelet Differential Revision: https://reviews.llvm.org/D114300
30 lines
930 B
C++
30 lines
930 B
C++
//===-- Implementation of stpncpy -----------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/string/stpncpy.h"
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#include "src/string/memory_utils/memset_implementations.h"
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#include "src/__support/common.h"
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namespace __llvm_libc {
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LLVM_LIBC_FUNCTION(char *, stpncpy,
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(char *__restrict dest, const char *__restrict src,
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size_t n)) {
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size_t i;
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// Copy up until \0 is found.
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for (i = 0; i < n && src[i] != '\0'; ++i)
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dest[i] = src[i];
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// When n>strlen(src), n-strlen(src) \0 are appended.
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if (n > i)
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inline_memset(dest + i, 0, n - i);
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return dest + i;
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}
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} // namespace __llvm_libc
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