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third_party/llvm/libc/src/string/strncpy.cpp
29 строк
889 B
Constantine Tarasenkov
python3 utils/fetch_sources.py
04 сен 2021, 14:35
04 сен 2021, 14:35
4a0ab4c
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//===-- Implementation of strncpy -----------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "src/string/strncpy.h" #include "src/__support/common.h" #include <stddef.h> // For size_t. namespace __llvm_libc { LLVM_LIBC_FUNCTION(char *, strncpy, (char *__restrict dest, const char *__restrict src, size_t n)) { size_t i = 0; // Copy up until \0 is found. for (; i < n && src[i] != '\0'; ++i) dest[i] = src[i]; // When n>strlen(src), n-strlen(src) \0 are appended. for (; i < n; ++i) dest[i] = '\0'; return dest; } } // namespace __llvm_libc