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