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30 lines
1.0 KiB
C++
30 lines
1.0 KiB
C++
//===--- Portability.cpp - ------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// Implementations of the stub APIs that make portable runtime easier to write.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Runtime/Portability.h"
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#include <cstring>
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size_t _swift_strlcpy(char *dst, const char *src, size_t maxlen) {
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const size_t srclen = std::strlen(src);
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if (srclen < maxlen) {
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std::memmove(dst, src, srclen + 1);
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} else if (maxlen != 0) {
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std::memmove(dst, src, maxlen - 1);
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dst[maxlen - 1] = '\0';
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}
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return srclen;
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}
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